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authorDaniel Baumann <daniel.baumann@progress-linux.org>2019-09-03 10:23:38 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2019-09-03 10:23:38 +0000
commit574098461cd45be12a497afbdac6f93c58978387 (patch)
tree9eb60a5930b7c20d42f7fde1e234cae3968ed3d9 /web/api
parentAdding upstream version 1.16.1. (diff)
downloadnetdata-574098461cd45be12a497afbdac6f93c58978387.tar.xz
netdata-574098461cd45be12a497afbdac6f93c58978387.zip
Adding upstream version 1.17.0.upstream/1.17.0
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--web/api/Makefile.in760
-rw-r--r--web/api/README.md6
-rw-r--r--web/api/badges/Makefile.in514
-rw-r--r--web/api/badges/README.md189
-rw-r--r--web/api/exporters/Makefile.in699
-rw-r--r--web/api/exporters/README.md2
-rw-r--r--web/api/exporters/prometheus/Makefile.in514
-rw-r--r--web/api/exporters/prometheus/README.md4
-rw-r--r--web/api/exporters/shell/Makefile.in514
-rw-r--r--web/api/exporters/shell/README.md10
-rw-r--r--web/api/formatters/Makefile.in701
-rw-r--r--web/api/formatters/README.md35
-rw-r--r--web/api/formatters/csv/Makefile.in514
-rw-r--r--web/api/formatters/csv/README.md88
-rw-r--r--web/api/formatters/json/Makefile.in514
-rw-r--r--web/api/formatters/json/README.md37
-rw-r--r--web/api/formatters/json_wrapper.c13
-rw-r--r--web/api/formatters/rrdset2json.c5
-rw-r--r--web/api/formatters/ssv/Makefile.in514
-rw-r--r--web/api/formatters/ssv/README.md26
-rw-r--r--web/api/formatters/value/Makefile.in514
-rw-r--r--web/api/formatters/value/README.md12
-rw-r--r--web/api/health/Makefile.in514
-rw-r--r--web/api/health/README.md66
-rw-r--r--web/api/netdata-swagger.json96
-rw-r--r--web/api/netdata-swagger.yaml61
-rw-r--r--web/api/queries/Makefile.in706
-rw-r--r--web/api/queries/README.md137
-rw-r--r--web/api/queries/average/Makefile.in514
-rw-r--r--web/api/queries/average/README.md10
-rw-r--r--web/api/queries/average/average.c9
-rw-r--r--web/api/queries/des/Makefile.in514
-rw-r--r--web/api/queries/des/README.md14
-rw-r--r--web/api/queries/incremental_sum/Makefile.in514
-rw-r--r--web/api/queries/incremental_sum/README.md12
-rw-r--r--web/api/queries/max/Makefile.in514
-rw-r--r--web/api/queries/max/README.md10
-rw-r--r--web/api/queries/median/Makefile.in514
-rw-r--r--web/api/queries/median/README.md12
-rw-r--r--web/api/queries/min/Makefile.in514
-rw-r--r--web/api/queries/min/README.md10
-rw-r--r--web/api/queries/query.c876
-rw-r--r--web/api/queries/rrdr.h12
-rw-r--r--web/api/queries/ses/Makefile.in514
-rw-r--r--web/api/queries/ses/README.md14
-rw-r--r--web/api/queries/stddev/Makefile.in514
-rw-r--r--web/api/queries/stddev/README.md23
-rw-r--r--web/api/queries/sum/Makefile.in514
-rw-r--r--web/api/queries/sum/README.md12
-rw-r--r--web/api/web_api_v1.c46
-rw-r--r--web/api/web_api_v1.h1
51 files changed, 12927 insertions, 525 deletions
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diff --git a/web/api/README.md b/web/api/README.md
index 44afbc90d..958b1580c 100644
--- a/web/api/README.md
+++ b/web/api/README.md
@@ -2,13 +2,13 @@
## Netdata REST API
-The complete documentation of the netdata API is available at the **[Swagger Editor](https://editor.swagger.io/?url=https://raw.githubusercontent.com/netdata/netdata/master/web/api/netdata-swagger.yaml)**.
+The complete documentation of the Netdata API is available at the **[Swagger Editor](https://editor.swagger.io/?url=https://raw.githubusercontent.com/netdata/netdata/master/web/api/netdata-swagger.yaml)**.
If your prefer it over the Swagger Editor, you can also use **[Swagger UI](https://registry.my-netdata.io/swagger/#!/default/get_data)**. This however does not provide all the information available.
## Google charts API
-netdata is a [Google Visualization API datatable and datasource provider](https://developers.google.com/chart/interactive/docs/reference), so it can directly be used with [Google Charts](https://developers.google.com/chart/interactive/docs/).
+Netdata is a [Google Visualization API datatable and datasource provider](https://developers.google.com/chart/interactive/docs/reference), so it can directly be used with [Google Charts](https://developers.google.com/chart/interactive/docs/).
Check this [single chart, jsfiddle example](https://jsfiddle.net/ktsaou/ensu4uws/9/):
@@ -18,4 +18,4 @@ and this [multi chart, jsfiddle example](https://jsfiddle.net/ktsaou/L5y2eqp2/):
![image](https://cloud.githubusercontent.com/assets/2662304/23824766/31a4a68c-0685-11e7-8429-8327cab64be2.png)
-[![analytics](https://www.google-analytics.com/collect?v=1&aip=1&t=pageview&_s=1&ds=github&dr=https%3A%2F%2Fgithub.com%2Fnetdata%2Fnetdata&dl=https%3A%2F%2Fmy-netdata.io%2Fgithub%2Fweb%2Fapi%2FREADME&_u=MAC~&cid=5792dfd7-8dc4-476b-af31-da2fdb9f93d2&tid=UA-64295674-3)]()
+[![analytics](https://www.google-analytics.com/collect?v=1&aip=1&t=pageview&_s=1&ds=github&dr=https%3A%2F%2Fgithub.com%2Fnetdata%2Fnetdata&dl=https%3A%2F%2Fmy-netdata.io%2Fgithub%2Fweb%2Fapi%2FREADME&_u=MAC~&cid=5792dfd7-8dc4-476b-af31-da2fdb9f93d2&tid=UA-64295674-3)](<>)
diff --git a/web/api/badges/Makefile.in b/web/api/badges/Makefile.in
new file mode 100644
index 000000000..ea8c6d605
--- /dev/null
+++ b/web/api/badges/Makefile.in
@@ -0,0 +1,514 @@
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+dist_noinst_DATA = \
+ README.md \
+ $(NULL)
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+all: all-am
+
+.SUFFIXES:
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+ @for dep in $?; do \
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+ && { if test -f $@; then exit 0; else break; fi; }; \
+ exit 1;; \
+ esac; \
+ done; \
+ echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu web/api/badges/Makefile'; \
+ $(am__cd) $(top_srcdir) && \
+ $(AUTOMAKE) --gnu web/api/badges/Makefile
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+ *) \
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+ cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
+ esac;
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+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+ cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure: @MAINTAINER_MODE_TRUE@ $(am__configure_deps)
+ cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4): @MAINTAINER_MODE_TRUE@ $(am__aclocal_m4_deps)
+ cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
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+cscope cscopelist:
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+ topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+ list='$(DISTFILES)'; \
+ dist_files=`for file in $$list; do echo $$file; done | \
+ sed -e "s|^$$srcdirstrip/||;t" \
+ -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+ case $$dist_files in \
+ */*) $(MKDIR_P) `echo "$$dist_files" | \
+ sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+ sort -u` ;; \
+ esac; \
+ for file in $$dist_files; do \
+ if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+ if test -d $$d/$$file; then \
+ dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
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+ fi; \
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+ cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+ find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+ fi; \
+ cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+ else \
+ test -f "$(distdir)/$$file" \
+ || cp -p $$d/$$file "$(distdir)/$$file" \
+ || exit 1; \
+ fi; \
+ done
+check-am: all-am
+check: check-am
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+ install; \
+ else \
+ $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+ install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
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+ fi
+mostlyclean-generic:
+
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+
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+ -test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
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+ -test -z "$(MAINTAINERCLEANFILES)" || rm -f $(MAINTAINERCLEANFILES)
+clean: clean-am
+
+clean-am: clean-generic mostlyclean-am
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+distclean: distclean-am
+ -rm -f Makefile
+distclean-am: clean-am distclean-generic
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+dvi: dvi-am
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+dvi-am:
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+info: info-am
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+install-dvi-am:
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+install-html: install-html-am
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+install-ps: install-ps-am
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+ -rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
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+pdf: pdf-am
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+ ctags-am distclean distclean-generic distdir dvi dvi-am html \
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+ install-data-am install-dvi install-dvi-am install-exec \
+ install-exec-am install-html install-html-am install-info \
+ install-info-am install-man install-pdf install-pdf-am \
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+ installcheck-am installdirs maintainer-clean \
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+ pdf-am ps ps-am tags-am uninstall uninstall-am
+
+.PRECIOUS: Makefile
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/web/api/badges/README.md b/web/api/badges/README.md
index 6884cc11a..75c30abff 100644
--- a/web/api/badges/README.md
+++ b/web/api/badges/README.md
@@ -6,11 +6,11 @@ Netdata can generate badges for any chart and any dimension at any time-frame. B
**Netdata badges are powerful**!
-Given that netdata collects from **1.000** to **5.000** metrics per server (depending on the number of network interfaces, disks, cpu cores, applications running, users logged in, containers running, etc) and that netdata already has data reduction/aggregation functions embedded, the badges can be quite powerful.
+Given that Netdata collects from **1.000** to **5.000** metrics per server (depending on the number of network interfaces, disks, cpu cores, applications running, users logged in, containers running, etc) and that Netdata already has data reduction/aggregation functions embedded, the badges can be quite powerful.
For each metric/dimension and for arbitrary time-frames badges can show **min**, **max** or **average** value, but also **sum** or **incremental-sum** to have their **volume**.
-For example, there is [a chart in netdata that shows the current requests/s of nginx](http://london.my-netdata.io/#nginx_local_nginx). Using this chart alone we can show the following badges (we could add more time-frames, like **today**, **yesterday**, etc):
+For example, there is [a chart in Netdata that shows the current requests/s of nginx](http://london.my-netdata.io/#nginx_local_nginx). Using this chart alone we can show the following badges (we could add more time-frames, like **today**, **yesterday**, etc):
<a href="https://registry.my-netdata.io/#nginx_local_nginx"><img src="https://registry.my-netdata.io/api/v1/badge.svg?chart=nginx_local.connections&dimensions=active&value_color=grey:null%7Cblue&label=nginx%20active%20connections%20now&units=null&precision=0"/></a> <a href="https://registry.my-netdata.io/#nginx_local_nginx"><img src="https://registry.my-netdata.io/api/v1/badge.svg?chart=nginx_local.connections&dimensions=active&after=-3600&value_color=orange&label=last%20hour%20average&units=null&options=unaligned&precision=0"/></a> <a href="https://registry.my-netdata.io/#nginx_local_nginx"><img src="https://registry.my-netdata.io/api/v1/badge.svg?chart=nginx_local.connections&dimensions=active&group=max&after=-3600&value_color=red&label=last%20hour%20max&units=null&options=unaligned&precision=0"/></a>
@@ -18,25 +18,25 @@ Similarly, there is [a chart that shows outbound bandwidth per class](http://lon
<a href="https://registry.my-netdata.io/#tc_eth0"><img src="https://registry.my-netdata.io/api/v1/badge.svg?chart=tc.world_out&dimensions=web_server&value_color=green&label=web%20server%20sends%20now&units=kbps"/></a> <a href="https://registry.my-netdata.io/#tc_eth0"><img src="https://registry.my-netdata.io/api/v1/badge.svg?chart=tc.world_out&dimensions=web_server&after=-86400&options=unaligned&group=sum&divide=8388608&value_color=blue&label=web%20server%20sent%20today&units=GB"/></a>
-The right one is a **volume** calculation. Netdata calculated the total of the last 86.400 seconds (a day) which gives `kilobits`, then divided it by 8 to make it KB, then by 1024 to make it MB and then by 1024 to make it GB. Calculations like this are quite accurate, since for every value collected, every second, netdata interpolates it to second boundary using microsecond calculations.
+The right one is a **volume** calculation. Netdata calculated the total of the last 86.400 seconds (a day) which gives `kilobits`, then divided it by 8 to make it KB, then by 1024 to make it MB and then by 1024 to make it GB. Calculations like this are quite accurate, since for every value collected, every second, Netdata interpolates it to second boundary using microsecond calculations.
-Let's see a few more badge examples (they come from the [netdata registry](../../../registry/)):
+Let's see a few more badge examples (they come from the [Netdata registry](../../../registry/)):
-- **cpu usage of user `root`** (you can pick any user; 100% = 1 core). This will be `green <10%`, `yellow <20%`, `orange <50%`, `blue <100%` (1 core), `red` otherwise (you define thresholds and colors on the URL).
+- **cpu usage of user `root`** (you can pick any user; 100% = 1 core). This will be `green <10%`, `yellow <20%`, `orange <50%`, `blue <100%` (1 core), `red` otherwise (you define thresholds and colors on the URL).
- <a href="https://registry.my-netdata.io/#apps_cpu"><img src="https://registry.my-netdata.io/api/v1/badge.svg?chart=users.cpu&dimensions=root&value_color=grey:null%7Cgreen%3C10%7Cyellow%3C20%7Corange%3C50%7Cblue%3C100%7Cred&label=root%20user%20cpu%20now&units=%25"></img></a> <a href="https://registry.my-netdata.io/#apps_cpu"><img src="https://registry.my-netdata.io/api/v1/badge.svg?chart=users.cpu&dimensions=root&after=-3600&value_color=grey:null%7Cgreen%3C10%7Cyellow%3C20%7Corange%3C50%7Cblue%3C100%7Cred&label=root%20user%20average%20cpu%20last%20hour&units=%25"></img></a>
+ <a href="https://registry.my-netdata.io/#apps_cpu"><img src="https://registry.my-netdata.io/api/v1/badge.svg?chart=users.cpu&dimensions=root&value_color=grey:null%7Cgreen%3C10%7Cyellow%3C20%7Corange%3C50%7Cblue%3C100%7Cred&label=root%20user%20cpu%20now&units=%25"></img></a> <a href="https://registry.my-netdata.io/#apps_cpu"><img src="https://registry.my-netdata.io/api/v1/badge.svg?chart=users.cpu&dimensions=root&after=-3600&value_color=grey:null%7Cgreen%3C10%7Cyellow%3C20%7Corange%3C50%7Cblue%3C100%7Cred&label=root%20user%20average%20cpu%20last%20hour&units=%25"></img></a>
-- **mysql queries per second**
+- **mysql queries per second**
- <a href="https://registry.my-netdata.io/#mysql_local"><img src="https://registry.my-netdata.io/api/v1/badge.svg?chart=mysql_local.queries&dimensions=questions&label=mysql%20queries%20now&value_color=red&units=%5Cs"></img></a> <a href="https://registry.my-netdata.io/#mysql_local"><img src="https://registry.my-netdata.io/api/v1/badge.svg?chart=mysql_local.queries&dimensions=questions&after=-3600&options=unaligned&group=sum&label=mysql%20queries%20this%20hour&value_color=green&units=null"></img></a> <a href="https://registry.my-netdata.io/#mysql_local"><img src="https://registry.my-netdata.io/api/v1/badge.svg?chart=mysql_local.queries&dimensions=questions&after=-86400&options=unaligned&group=sum&label=mysql%20queries%20today&value_color=blue&units=null"></img></a>
+ <a href="https://registry.my-netdata.io/#mysql_local"><img src="https://registry.my-netdata.io/api/v1/badge.svg?chart=mysql_local.queries&dimensions=questions&label=mysql%20queries%20now&value_color=red&units=%5Cs"></img></a> <a href="https://registry.my-netdata.io/#mysql_local"><img src="https://registry.my-netdata.io/api/v1/badge.svg?chart=mysql_local.queries&dimensions=questions&after=-3600&options=unaligned&group=sum&label=mysql%20queries%20this%20hour&value_color=green&units=null"></img></a> <a href="https://registry.my-netdata.io/#mysql_local"><img src="https://registry.my-netdata.io/api/v1/badge.svg?chart=mysql_local.queries&dimensions=questions&after=-86400&options=unaligned&group=sum&label=mysql%20queries%20today&value_color=blue&units=null"></img></a>
- niche ones: **mysql SELECT statements with JOIN, which did full table scans**:
+ niche ones: **mysql SELECT statements with JOIN, which did full table scans**:
- <a href="https://registry.my-netdata.io/#mysql_local_issues"><img src="https://registry.my-netdata.io/api/v1/badge.svg?chart=mysql_local.join_issues&dimensions=scan&after=-3600&label=full%20table%20scans%20the%20last%20hour&value_color=orange&group=sum&units=null"></img></a>
+ <a href="https://registry.my-netdata.io/#mysql_local_issues"><img src="https://registry.my-netdata.io/api/v1/badge.svg?chart=mysql_local.join_issues&dimensions=scan&after=-3600&label=full%20table%20scans%20the%20last%20hour&value_color=orange&group=sum&units=null"></img></a>
---
-> So, every single line on the charts of a [netdata dashboard](http://london.my-netdata.io/), can become a badge and this badge can calculate **average**, **min**, **max**, or **volume** for any time-frame! And you can also vary the badge color using conditions on the calculated value.
+> So, every single line on the charts of a [Netdata dashboard](http://london.my-netdata.io/), can become a badge and this badge can calculate **average**, **min**, **max**, or **volume** for any time-frame! And you can also vary the badge color using conditions on the calculated value.
---
@@ -44,15 +44,15 @@ Let's see a few more badge examples (they come from the [netdata registry](../..
The basic URL is `http://your.netdata:19999/api/v1/badge.svg?option1&option2&option3&...`.
-Here is what you can put for `options` (these are standard netdata API options):
+Here is what you can put for `options` (these are standard Netdata API options):
-- `chart=CHART.NAME`
+- `chart=CHART.NAME`
- The chart to get the values from.
+ The chart to get the values from.
- **This is the only parameter required** and with just this parameter, netdata will return the sum of the latest values of all chart dimensions.
+ **This is the only parameter required** and with just this parameter, Netdata will return the sum of the latest values of all chart dimensions.
- Example:
+ Example:
```html
<a href="#">
@@ -66,21 +66,21 @@ Here is what you can put for `options` (these are standard netdata API options):
<img src="https://registry.my-netdata.io/api/v1/badge.svg?chart=system.cpu"></img>
</a>
-- `alarm=NAME`
+- `alarm=NAME`
- Render the current value and status of an alarm linked to the chart. This option can be ignored if the badge to be generated is not related to an alarm.
+ Render the current value and status of an alarm linked to the chart. This option can be ignored if the badge to be generated is not related to an alarm.
- The current value of the alarm will be rendered. The color of the badge will indicate the status of the alarm.
+ The current value of the alarm will be rendered. The color of the badge will indicate the status of the alarm.
- For alarm badges, **both `chart` and `alarm` parameters are required**.
+ For alarm badges, **both `chart` and `alarm` parameters are required**.
-- `dimensions=DIMENSION1|DIMENSION2|...`
+- `dimensions=DIMENSION1|DIMENSION2|...`
- The dimensions of the chart to use. If you don't set any dimension, all will be used. When multiple dimensions are used, netdata will sum their values. You can append `options=absolute` if you want this sum to convert all values to positive before adding them.
+ The dimensions of the chart to use. If you don't set any dimension, all will be used. When multiple dimensions are used, Netdata will sum their values. You can append `options=absolute` if you want this sum to convert all values to positive before adding them.
- Pipes in HTML have to escaped with `%7C`.
+ Pipes in HTML have to escaped with `%7C`.
- Example:
+ Example:
```html
<a href="#">
@@ -94,15 +94,15 @@ Here is what you can put for `options` (these are standard netdata API options):
<img src="https://registry.my-netdata.io/api/v1/badge.svg?chart=system.cpu&dimensions=system%7Cnice"></img>
</a>
-- `before=SECONDS` and `after=SECONDS`
+- `before=SECONDS` and `after=SECONDS`
- The timeframe. These can be absolute unix timestamps, or relative to now, number of seconds. By default `before=0` and `after=-1` (1 second in the past).
+ The timeframe. These can be absolute unix timestamps, or relative to now, number of seconds. By default `before=0` and `after=-1` (1 second in the past).
- To get the last minute set `after=-60`. This will give the average of the last complete minute (XX:XX:00 - XX:XX:59).
+ To get the last minute set `after=-60`. This will give the average of the last complete minute (XX:XX:00 - XX:XX:59).
- To get the max of the last hour set `after=-3600&group=max`. This will give the maximum value of the last complete hour (XX:00:00 - XX:59:59)
+ To get the max of the last hour set `after=-3600&group=max`. This will give the maximum value of the last complete hour (XX:00:00 - XX:59:59)
- Example:
+ Example:
```html
<a href="#">
@@ -125,109 +125,108 @@ Here is what you can put for `options` (these are standard netdata API options):
```
It produces this:
-
+
<a href="#">
<img src="https://registry.my-netdata.io/api/v1/badge.svg?chart=system.cpu&before=-60&after=-60"></img>
</a>
-- `group=min` or `group=max` or `group=average` (the default) or `group=sum` or `group=incremental-sum`
+- `group=min` or `group=max` or `group=average` (the default) or `group=sum` or `group=incremental-sum`
- If netdata will have to reduce (aggregate) the data to calculate the value, which aggregation method to use.
+ If Netdata will have to reduce (aggregate) the data to calculate the value, which aggregation method to use.
- - `max` will find the max value for the timeframe. This works on both positive and negative dimensions. It will find the most extreme value.
+ - `max` will find the max value for the timeframe. This works on both positive and negative dimensions. It will find the most extreme value.
- - `min` will find the min value for the timeframe. This works on both positive and negative dimensions. It will find the number closest to zero.
+ - `min` will find the min value for the timeframe. This works on both positive and negative dimensions. It will find the number closest to zero.
- - `average` will calculate the average value for the timeframe.
+ - `average` will calculate the average value for the timeframe.
- - `sum` will sum all the values for the timeframe. This is nice for finding the volume of dimensions for a timeframe. So if you have a dimension that reports `X per second`, you can find the volume of the dimension in a timeframe, by adding its values in that timeframe.
+ - `sum` will sum all the values for the timeframe. This is nice for finding the volume of dimensions for a timeframe. So if you have a dimension that reports `X per second`, you can find the volume of the dimension in a timeframe, by adding its values in that timeframe.
- - `incremental-sum` will sum the difference of each value to its next. Let's assume you have a dimension that does not measure the rate of something, but the absolute value of it. So it has values like this "1, 5, 3, 7, 4". `incremental-sum` will calculate the difference of adjacent values. In this example, they will be `(5 - 1) + (3 - 5) + (7 - 3) + (4 - 7) = 3` (which is equal to the last value minus the first = 4 - 1).
+ - `incremental-sum` will sum the difference of each value to its next. Let's assume you have a dimension that does not measure the rate of something, but the absolute value of it. So it has values like this "1, 5, 3, 7, 4". `incremental-sum` will calculate the difference of adjacent values. In this example, they will be `(5 - 1) + (3 - 5) + (7 - 3) + (4 - 7) = 3` (which is equal to the last value minus the first = 4 - 1).
-- `options=opt1|opt2|opt3|...`
+- `options=opt1|opt2|opt3|...`
- These fine tune various options of the API. Here is what you can use for badges (the API has more option, but only these are useful for badges):
+ These fine tune various options of the API. Here is what you can use for badges (the API has more option, but only these are useful for badges):
- - `percentage`, instead of returning the value, calculate the percentage of the sum of the selected dimensions, versus the sum of all the dimensions of the chart. This also sets the units to `%`.
+ - `percentage`, instead of returning the value, calculate the percentage of the sum of the selected dimensions, versus the sum of all the dimensions of the chart. This also sets the units to `%`.
- - `absolute` or `abs`, turn all values positive and then sum them.
+ - `absolute` or `abs`, turn all values positive and then sum them.
- - `display_absolute` or `display-absolute`, to use the signed value during color calculation, but display the absolute value on the badge.
+ - `display_absolute` or `display-absolute`, to use the signed value during color calculation, but display the absolute value on the badge.
- - `min2max`, when multiple dimensions are given, do not sum them, but take their `max - min`.
+ - `min2max`, when multiple dimensions are given, do not sum them, but take their `max - min`.
- - `unaligned`, when data are reduced / aggregated (e.g. the request is about the average of the last minute, or hour), netdata by default aligns them so that the charts will have a constant shape (so average per minute returns always XX:XX:00 - XX:XX:59). Setting the `unaligned` option, netdata will aggregate data without any alignment, so if the request is for 60 seconds, it will aggregate the latest 60 seconds of collected data.
+ - `unaligned`, when data are reduced / aggregated (e.g. the request is about the average of the last minute, or hour), Netdata by default aligns them so that the charts will have a constant shape (so average per minute returns always XX:XX:00 - XX:XX:59). Setting the `unaligned` option, Netdata will aggregate data without any alignment, so if the request is for 60 seconds, it will aggregate the latest 60 seconds of collected data.
These are options dedicated to badges:
-- `label=TEXT`
-
- The label of the badge.
+- `label=TEXT`
-- `units=TEXT`
+ The label of the badge.
- The units of the badge. If you want to put a `/`, please put a `\`. This is because netdata allows badges parameters to be given as path in URL, instead of query string. You can also use `null` or `empty` to show it without any units.
+- `units=TEXT`
- The units `seconds`, `minutes` and `hours` trigger special formatting. The value has to be in this unit, and netdata will automatically change it to show a more pretty duration.
+ The units of the badge. If you want to put a `/`, please put a `\`. This is because Netdata allows badges parameters to be given as path in URL, instead of query string. You can also use `null` or `empty` to show it without any units.
-- `multiply=NUMBER`
+ The units `seconds`, `minutes` and `hours` trigger special formatting. The value has to be in this unit, and Netdata will automatically change it to show a more pretty duration.
- Multiply the value with this number. The default is `1`.
+- `multiply=NUMBER`
-- `divide=NUMBER`
+ Multiply the value with this number. The default is `1`.
- Divide the value with this number. The default is `1`.
+- `divide=NUMBER`
-- `label_color=COLOR`
+ Divide the value with this number. The default is `1`.
- The color of the label (the left part). You can use any HTML color, include `#NNN` and `#NNNNNN`. The following colors are defined in netdata (and you can use them by name): `green`, `brightgreen`, `yellow`, `yellowgreen`, `orange`, `red`, `blue`, `grey`, `gray`, `lightgrey`, `lightgray`. These are taken from https://github.com/badges/shields so they are compatible with standard badges.
+- `label_color=COLOR`
-- `value_color=COLOR:null|COLOR<VALUE|COLOR>VALUE|COLOR>=VALUE|COLOR<=VALUE|...`
+ The color of the label (the left part). You can use any HTML color, include `#NNN` and `#NNNNNN`. The following colors are defined in Netdata (and you can use them by name): `green`, `brightgreen`, `yellow`, `yellowgreen`, `orange`, `red`, `blue`, `grey`, `gray`, `lightgrey`, `lightgray`. These are taken from <https://github.com/badges/shields> so they are compatible with standard badges.
- You can add a pipe delimited list of conditions to pick the color. The first matching (left to right) will be used.
+- `value_color=COLOR:null|COLOR<VALUE|COLOR>VALUE|COLOR>=VALUE|COLOR<=VALUE|...`
- Example: `value_color=grey:null|green<10|yellow<100|orange<1000|blue<10000|red`
+ You can add a pipe delimited list of conditions to pick the color. The first matching (left to right) will be used.
- The above will set `grey` if no value exists (not collected within the `gap when lost iterations above` in netdata.conf for the chart), `green` if the value is less than 10, `yellow` if the value is less than 100, etc up to `red` which will be used if no other conditions match.
+ Example: `value_color=grey:null|green<10|yellow<100|orange<1000|blue<10000|red`
- The supported operators are `<`, `>`, `<=`, `>=`, `=` (or `:`) and `!=` (or `<>`).
+ The above will set `grey` if no value exists (not collected within the `gap when lost iterations above` in `netdata.conf` for the chart), `green` if the value is less than 10, `yellow` if the value is less than 100, etc up to `red` which will be used if no other conditions match.
-- `precision=NUMBER`
+ The supported operators are `<`, `>`, `<=`, `>=`, `=` (or `:`) and `!=` (or `<>`).
- The number of decimal digits of the value. By default netdata will add:
+- `precision=NUMBER`
- - no decimal digits for values > 1000
- - 1 decimal digit for values > 100
- - 2 decimal digits for values > 1
- - 3 decimal digits for values > 0.1
- - 4 decimal digits for values <= 0.1
+ The number of decimal digits of the value. By default Netdata will add:
- Using the `precision=NUMBER` you can set your preference per badge.
+ - no decimal digits for values > 1000
+ - 1 decimal digit for values > 100
+ - 2 decimal digits for values > 1
+ - 3 decimal digits for values > 0.1
+ - 4 decimal digits for values \<= 0.1
-- `scale=XXX`
+ Using the `precision=NUMBER` you can set your preference per badge.
- This option scales the svg image. It accepts values above or equal to 100 (100% is the default scale). For example, lets get a few different sizes:
+- `scale=XXX`
- <img src="https://registry.my-netdata.io/api/v1/badge.svg?chart=system.cpu&after=-60&scale=100"></img> original<br/>
- <img src="https://registry.my-netdata.io/api/v1/badge.svg?chart=system.cpu&after=-60&scale=125"></img> `scale=125`<br/>
- <img src="https://registry.my-netdata.io/api/v1/badge.svg?chart=system.cpu&after=-60&scale=150"></img> `scale=150`<br/>
- <img src="https://registry.my-netdata.io/api/v1/badge.svg?chart=system.cpu&after=-60&scale=175"></img> `scale=175`<br/>
- <img src="https://registry.my-netdata.io/api/v1/badge.svg?chart=system.cpu&after=-60&scale=200"></img> `scale=200`
+ This option scales the svg image. It accepts values above or equal to 100 (100% is the default scale). For example, lets get a few different sizes:
+ <img src="https://registry.my-netdata.io/api/v1/badge.svg?chart=system.cpu&after=-60&scale=100"></img> original<br/>
+ <img src="https://registry.my-netdata.io/api/v1/badge.svg?chart=system.cpu&after=-60&scale=125"></img> `scale=125`<br/>
+ <img src="https://registry.my-netdata.io/api/v1/badge.svg?chart=system.cpu&after=-60&scale=150"></img> `scale=150`<br/>
+ <img src="https://registry.my-netdata.io/api/v1/badge.svg?chart=system.cpu&after=-60&scale=175"></img> `scale=175`<br/>
+ <img src="https://registry.my-netdata.io/api/v1/badge.svg?chart=system.cpu&after=-60&scale=200"></img> `scale=200`
-- `refresh=auto` or `refresh=SECONDS`
+- `refresh=auto` or `refresh=SECONDS`
- This option enables auto-refreshing of images. netdata will send the HTTP header `Refresh: SECONDS` to the web browser, thus requesting automatic refresh of the images at regular intervals.
+ This option enables auto-refreshing of images. Netdata will send the HTTP header `Refresh: SECONDS` to the web browser, thus requesting automatic refresh of the images at regular intervals.
- `auto` will calculate the proper `SECONDS` to avoid unnecessary refreshes. If `SECONDS` is zero, this feature is disabled (it is also disabled by default).
+ `auto` will calculate the proper `SECONDS` to avoid unnecessary refreshes. If `SECONDS` is zero, this feature is disabled (it is also disabled by default).
- Auto-refreshing like this, works only if you access the badge directly. So, you may have to put it an `embed` or `iframe` for it to be auto-refreshed. Use something like this:
+ Auto-refreshing like this, works only if you access the badge directly. So, you may have to put it an `embed` or `iframe` for it to be auto-refreshed. Use something like this:
```html
<embed src="BADGE_URL" type="image/svg+xml" height="20" />
```
- Another way is to use javascript to auto-refresh them. You can auto-refresh all the netdata badges on a page using javascript. You have to add a class to all the netdata badges, like this `<img class="netdata-badge" src="..."/>`. Then add this javascript code to your page (it requires jquery):
+ Another way is to use javascript to auto-refresh them. You can auto-refresh all the Netdata badges on a page using javascript. You have to add a class to all the Netdata badges, like this `<img class="netdata-badge" src="..."/>`. Then add this javascript code to your page (it requires jquery):
```html
<script>
@@ -251,23 +250,23 @@ A more advanced badges refresh method is to include `http://your.netdata.ip:1999
Keep in mind that if you add badge URLs to your HTML pages you have to escape the special characters:
-character|name|escape sequence
-:-------:|:--:|:-------------:
-` `|space (in labels and units)|`%20`
-` # `|hash (for colors)|`%23`
-` % `|percent (in units)|`%25`
-` < `|less than|`%3C`
-` > `|greater than|`%3E`
-` \ `|backslash (when you need a `/`)|`%5C`
-` \| `|pipe (delimiting parameters)|`%7C`
+|character|name|escape sequence|
+|:-------:|:--:|:-------------:|
+|``|space (in labels and units)|`%20`|
+|`#`|hash (for colors)|`%23`|
+|`%`|percent (in units)|`%25`|
+|`<`|less than|`%3C`|
+|`>`|greater than|`%3E`|
+|`\`|backslash (when you need a `/`)|`%5C`|
+|`\|`|pipe (delimiting parameters)|`%7C`|
## FAQ
#### Is it fast?
-On modern hardware, netdata can generate about **2.000 badges per second per core**, before noticing any delays. It generates a badge in about half a millisecond!
-Of course these timing are for badges that use recent data. If you need badges that do calculations over long durations (a day, or more), timing will differ. netdata logs its timings at its `access.log`, so take a look there before adding a heavy badge on a busy web site. Of course, you can cache such badges or have a cron job get them from netdata and save them at your web server at regular intervals.
+On modern hardware, Netdata can generate about **2.000 badges per second per core**, before noticing any delays. It generates a badge in about half a millisecond!
+Of course these timing are for badges that use recent data. If you need badges that do calculations over long durations (a day, or more), timing will differ. Netdata logs its timings at its `access.log`, so take a look there before adding a heavy badge on a busy web site. Of course, you can cache such badges or have a cron job get them from Netdata and save them at your web server at regular intervals.
#### Embedding badges in github
@@ -275,13 +274,13 @@ You have 2 options a) SVG images with markdown and b) SVG images with HTML (dire
For example, this is the cpu badge shown above:
-- Markdown example:
+- Markdown example:
```md
[![A nice name](https://registry.my-netdata.io/api/v1/badge.svg?chart=users.cpu&dimensions=root&value_color=grey:null%7Cgreen%3C10%7Cyellow%3C20%7Corange%3C50%7Cblue%3C100%7Cred&label=root%20user%20cpu%20now&units=%25)](https://registry.my-netdata.io/#apps_cpu)
```
-- HTML example:
+- HTML example:
```html
<a href="https://registry.my-netdata.io/#apps_cpu">
@@ -305,4 +304,4 @@ You can refresh them from your browser console though. Press F12 to open the web
var len = document.images.length; while(len--) { document.images[len].src = document.images[len].src.replace(/\?cacheBuster=\d*/, "") + "?cacheBuster=" + new Date().getTime().toString(); };
```
-[![analytics](https://www.google-analytics.com/collect?v=1&aip=1&t=pageview&_s=1&ds=github&dr=https%3A%2F%2Fgithub.com%2Fnetdata%2Fnetdata&dl=https%3A%2F%2Fmy-netdata.io%2Fgithub%2Fweb%2Fapi%2Fbadges%2FREADME&_u=MAC~&cid=5792dfd7-8dc4-476b-af31-da2fdb9f93d2&tid=UA-64295674-3)]()
+[![analytics](https://www.google-analytics.com/collect?v=1&aip=1&t=pageview&_s=1&ds=github&dr=https%3A%2F%2Fgithub.com%2Fnetdata%2Fnetdata&dl=https%3A%2F%2Fmy-netdata.io%2Fgithub%2Fweb%2Fapi%2Fbadges%2FREADME&_u=MAC~&cid=5792dfd7-8dc4-476b-af31-da2fdb9f93d2&tid=UA-64295674-3)](<>)
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new file mode 100644
index 000000000..e9769a319
--- /dev/null
+++ b/web/api/exporters/Makefile.in
@@ -0,0 +1,699 @@
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diff --git a/web/api/exporters/README.md b/web/api/exporters/README.md
index ff711d7e1..2cbb037cd 100644
--- a/web/api/exporters/README.md
+++ b/web/api/exporters/README.md
@@ -2,4 +2,4 @@
TBD
-[![analytics](https://www.google-analytics.com/collect?v=1&aip=1&t=pageview&_s=1&ds=github&dr=https%3A%2F%2Fgithub.com%2Fnetdata%2Fnetdata&dl=https%3A%2F%2Fmy-netdata.io%2Fgithub%2Fweb%2Fapi%2Fexporters%2FREADME&_u=MAC~&cid=5792dfd7-8dc4-476b-af31-da2fdb9f93d2&tid=UA-64295674-3)]()
+[![analytics](https://www.google-analytics.com/collect?v=1&aip=1&t=pageview&_s=1&ds=github&dr=https%3A%2F%2Fgithub.com%2Fnetdata%2Fnetdata&dl=https%3A%2F%2Fmy-netdata.io%2Fgithub%2Fweb%2Fapi%2Fexporters%2FREADME&_u=MAC~&cid=5792dfd7-8dc4-476b-af31-da2fdb9f93d2&tid=UA-64295674-3)](<>)
diff --git a/web/api/exporters/prometheus/Makefile.in b/web/api/exporters/prometheus/Makefile.in
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--- /dev/null
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diff --git a/web/api/exporters/prometheus/README.md b/web/api/exporters/prometheus/README.md
index 88e79ecd6..9b2367cce 100644
--- a/web/api/exporters/prometheus/README.md
+++ b/web/api/exporters/prometheus/README.md
@@ -1,5 +1,5 @@
# prometheus exporter
-The prometheus exporter for netdata is located at the [backends section for prometheus](../../../../backends/prometheus).
+The prometheus exporter for Netdata is located at the [backends section for prometheus](../../../../backends/prometheus).
-[![analytics](https://www.google-analytics.com/collect?v=1&aip=1&t=pageview&_s=1&ds=github&dr=https%3A%2F%2Fgithub.com%2Fnetdata%2Fnetdata&dl=https%3A%2F%2Fmy-netdata.io%2Fgithub%2Fweb%2Fapi%2Fexporters%2Fprometheus%2FREADME&_u=MAC~&cid=5792dfd7-8dc4-476b-af31-da2fdb9f93d2&tid=UA-64295674-3)]()
+[![analytics](https://www.google-analytics.com/collect?v=1&aip=1&t=pageview&_s=1&ds=github&dr=https%3A%2F%2Fgithub.com%2Fnetdata%2Fnetdata&dl=https%3A%2F%2Fmy-netdata.io%2Fgithub%2Fweb%2Fapi%2Fexporters%2Fprometheus%2FREADME&_u=MAC~&cid=5792dfd7-8dc4-476b-af31-da2fdb9f93d2&tid=UA-64295674-3)](<>)
diff --git a/web/api/exporters/shell/Makefile.in b/web/api/exporters/shell/Makefile.in
new file mode 100644
index 000000000..94a0e9a97
--- /dev/null
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diff --git a/web/api/exporters/shell/README.md b/web/api/exporters/shell/README.md
index ab412ebaa..fef253c8e 100644
--- a/web/api/exporters/shell/README.md
+++ b/web/api/exporters/shell/README.md
@@ -1,18 +1,18 @@
# shell exporter
-Shell scripts can now query netdata:
+Shell scripts can now query Netdata:
```sh
eval "$(curl -s 'http://localhost:19999/api/v1/allmetrics')"
```
-after this command, all the netdata metrics are exposed to shell. Check:
+after this command, all the Netdata metrics are exposed to shell. Check:
```sh
# source the metrics
eval "$(curl -s 'http://localhost:19999/api/v1/allmetrics')"
-# let's see if there are variables exposed by netdata for system.cpu
+# let's see if there are variables exposed by Netdata for system.cpu
set | grep "^NETDATA_SYSTEM_CPU"
NETDATA_SYSTEM_CPU_GUEST=0
@@ -50,7 +50,7 @@ user 0m0,000s
sys 0m0,007s
# it is...
-# 0.07 seconds for curl to be loaded, connect to netdata and fetch the response back...
+# 0.07 seconds for curl to be loaded, connect to Netdata and fetch the response back...
```
The `_VISIBLETOTAL` variable sums up all the dimensions of each chart.
@@ -63,4 +63,4 @@ NETDATA_${chart_id^^}_${dimension_id^^}="${value}"
The value is rounded to the closest integer, since shell script cannot process decimal numbers.
-[![analytics](https://www.google-analytics.com/collect?v=1&aip=1&t=pageview&_s=1&ds=github&dr=https%3A%2F%2Fgithub.com%2Fnetdata%2Fnetdata&dl=https%3A%2F%2Fmy-netdata.io%2Fgithub%2Fweb%2Fapi%2Fexporters%2Fshell%2FREADME&_u=MAC~&cid=5792dfd7-8dc4-476b-af31-da2fdb9f93d2&tid=UA-64295674-3)]()
+[![analytics](https://www.google-analytics.com/collect?v=1&aip=1&t=pageview&_s=1&ds=github&dr=https%3A%2F%2Fgithub.com%2Fnetdata%2Fnetdata&dl=https%3A%2F%2Fmy-netdata.io%2Fgithub%2Fweb%2Fapi%2Fexporters%2Fshell%2FREADME&_u=MAC~&cid=5792dfd7-8dc4-476b-af31-da2fdb9f93d2&tid=UA-64295674-3)](<>)
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new file mode 100644
index 000000000..52be38b47
--- /dev/null
+++ b/web/api/formatters/Makefile.in
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diff --git a/web/api/formatters/README.md b/web/api/formatters/README.md
index b4ce1e30d..037fb5346 100644
--- a/web/api/formatters/README.md
+++ b/web/api/formatters/README.md
@@ -5,20 +5,20 @@ Using API parameters, the caller may define the format he/she wishes to get back
The following formats are supported:
-format|module|content type|description
-:---:|:---:|:---:|:-----
-`array`|[ssv](ssv)|application/json|a JSON array
-`csv`|[csv](csv)|text/plain|a text table, comma separated, with a header line (dimension names) and `\r\n` at the end of the lines
-`csvjsonarray`|[csv](csv)|application/json|a JSON array, with each row as another array (the first row has the dimension names)
-`datasource`|[json](json)|application/json|a Google Visualization Provider `datasource` javascript callback
-`datatable`|[json](json)|application/json|a Google `datatable`
-`html`|[csv](csv)|text/html|an html table
-`json`|[json](json)|application/json|a JSON object
-`jsonp`|[json](json)|application/json|a JSONP javascript callback
-`markdown`|[csv](csv)|text/plain|a markdown table
-`ssv`|[ssv](ssv)|text/plain|a space separated list of values
-`ssvcomma`|[ssv](ssv)|text/plain|a comma separated list of values
-`tsv`|[csv](csv)|text/plain|a TAB delimited `csv` (MS Excel flavor)
+| format|module|content type|description|
+|:----:|:----:|:----------:|:----------|
+| `array`|[ssv](ssv)|application/json|a JSON array|
+| `csv`|[csv](csv)|text/plain|a text table, comma separated, with a header line (dimension names) and `\r\n` at the end of the lines|
+| `csvjsonarray`|[csv](csv)|application/json|a JSON array, with each row as another array (the first row has the dimension names)|
+| `datasource`|[json](json)|application/json|a Google Visualization Provider `datasource` javascript callback|
+| `datatable`|[json](json)|application/json|a Google `datatable`|
+| `html`|[csv](csv)|text/html|an html table|
+| `json`|[json](json)|application/json|a JSON object|
+| `jsonp`|[json](json)|application/json|a JSONP javascript callback|
+| `markdown`|[csv](csv)|text/plain|a markdown table|
+| `ssv`|[ssv](ssv)|text/plain|a space separated list of values|
+| `ssvcomma`|[ssv](ssv)|text/plain|a comma separated list of values|
+| `tsv`|[csv](csv)|text/plain|a TAB delimited `csv` (MS Excel flavor)|
For examples of each format, check the relative module documentation.
@@ -59,16 +59,15 @@ This is such an object:
## Downloading data query result files
Following the [Google Visualization Provider guidelines](https://developers.google.com/chart/interactive/docs/dev/implementing_data_source),
-netdata supports parsing `tqx` options.
+Netdata supports parsing `tqx` options.
-Using these options, any netdata data query can instruct the web browser to download
+Using these options, any Netdata data query can instruct the web browser to download
the result and save it under a given filename.
For example, to download a CSV file with CPU utilization of the last hour,
[click here](https://registry.my-netdata.io/api/v1/data?chart=system.cpu&after=-3600&format=csv&options=nonzero&tqx=outFileName:system+cpu+utilization+of+the+last_hour.csv).
-
This is done by appending `&tqx=outFileName:FILENAME` to any data query.
The output will be in the format given with `&format=`.
-[![analytics](https://www.google-analytics.com/collect?v=1&aip=1&t=pageview&_s=1&ds=github&dr=https%3A%2F%2Fgithub.com%2Fnetdata%2Fnetdata&dl=https%3A%2F%2Fmy-netdata.io%2Fgithub%2Fweb%2Fapi%2Fformatters%2FREADME&_u=MAC~&cid=5792dfd7-8dc4-476b-af31-da2fdb9f93d2&tid=UA-64295674-3)]()
+[![analytics](https://www.google-analytics.com/collect?v=1&aip=1&t=pageview&_s=1&ds=github&dr=https%3A%2F%2Fgithub.com%2Fnetdata%2Fnetdata&dl=https%3A%2F%2Fmy-netdata.io%2Fgithub%2Fweb%2Fapi%2Fformatters%2FREADME&_u=MAC~&cid=5792dfd7-8dc4-476b-af31-da2fdb9f93d2&tid=UA-64295674-3)](<>)
diff --git a/web/api/formatters/csv/Makefile.in b/web/api/formatters/csv/Makefile.in
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diff --git a/web/api/formatters/csv/README.md b/web/api/formatters/csv/README.md
index 995e740b8..0d16fc4ec 100644
--- a/web/api/formatters/csv/README.md
+++ b/web/api/formatters/csv/README.md
@@ -2,28 +2,27 @@
The CSV formatter presents [results of database queries](../../queries) in the following formats:
-format|content type|description
-:---:|:---:|:-----
-`csv`|text/plain|a text table, comma separated, with a header line (dimension names) and `\r\n` at the end of the lines
-`csvjsonarray`|application/json|a JSON array, with each row as another array (the first row has the dimension names)
-`tsv`|text/plain|like `csv` but TAB is used instead of comma to separate values (MS Excel flavor)
-`html`|text/html|an html table
-`markdown`|text/plain|markdown table
+| format|content type|description|
+| :----:|:----------:|:----------|
+| `csv`|text/plain|a text table, comma separated, with a header line (dimension names) and `\r\n` at the end of the lines|
+| `csvjsonarray`|application/json|a JSON array, with each row as another array (the first row has the dimension names)|
+| `tsv`|text/plain|like `csv` but TAB is used instead of comma to separate values (MS Excel flavor)|
+| `html`|text/html|an html table|
+| `markdown`|text/plain|markdown table|
In all formats the date and time is the first column.
The CSV formatter respects the following API `&options=`:
-option|supported|description
-:---:|:---:|:---
-`nonzero`|yes|to return only the dimensions that have at least a non-zero value
-`flip`|yes|to return the rows older to newer (the default is newer to older)
-`seconds`|yes|to return the date and time in unix timestamp
-`ms`|yes|to return the date and time in unit timestamp as milliseconds
-`percent`|yes|to replace all values with their percentage over the row total
-`abs`|yes|to turn all values positive
-`null2zero`|yes|to replace gaps with zeros (the default prints the string `null`
-
+| option|supported|description|
+|:----:|:-------:|:----------|
+| `nonzero`|yes|to return only the dimensions that have at least a non-zero value|
+| `flip`|yes|to return the rows older to newer (the default is newer to older)|
+| `seconds`|yes|to return the date and time in unix timestamp|
+| `ms`|yes|to return the date and time in unit timestamp as milliseconds|
+| `percent`|yes|to replace all values with their percentage over the row total|
+| `abs`|yes|to turn all values positive|
+| `null2zero`|yes|to replace gaps with zeros (the default prints the string `null`|
## Examples
@@ -82,7 +81,6 @@ This is how it looks when rendered by a web browser:
![image](https://user-images.githubusercontent.com/2662304/47597887-bafbf480-d99c-11e8-864a-d880bb8d2e5b.png)
-
---
Get a JSON array with the average bandwidth rate of the mysql server, over the last hour, in 6 values
@@ -101,7 +99,7 @@ Netdata always returns bandwidth rates in `kilobits/s`.
[1540597200000,0.7499968,120.2807337],
[1540596600000,0.7499988,120.2810527]
]
-```
+```
---
@@ -109,33 +107,33 @@ Get the number of processes started per minute, for the last 10 minutes, in `mar
```bash
# curl -Ss 'https://registry.my-netdata.io/api/v1/data?chart=system.forks&format=markdown&after=-600&points=10&group=sum'
-time|started
-:---:|:---:
-2018-10-27 03:52:00|245.1706149
-2018-10-27 03:51:00|152.6654636
-2018-10-27 03:50:00|163.1755789
-2018-10-27 03:49:00|176.1574766
-2018-10-27 03:48:00|178.0137076
-2018-10-27 03:47:00|183.8306543
-2018-10-27 03:46:00|264.1635621
-2018-10-27 03:45:00|205.001551
-2018-10-27 03:44:00|7026.9852167
-2018-10-27 03:43:00|205.9904794
+time | started
+:---: |:---:
+2018-10-27 03:52:00| 245.1706149
+2018-10-27 03:51:00| 152.6654636
+2018-10-27 03:50:00| 163.1755789
+2018-10-27 03:49:00| 176.1574766
+2018-10-27 03:48:00| 178.0137076
+2018-10-27 03:47:00| 183.8306543
+2018-10-27 03:46:00| 264.1635621
+2018-10-27 03:45:00| 205.001551
+2018-10-27 03:44:00| 7026.9852167
+2018-10-27 03:43:00| 205.9904794
```
And this is how it looks when formatted:
-time|started
-:---:|:---:
-2018-10-27 03:52:00|245.1706149
-2018-10-27 03:51:00|152.6654636
-2018-10-27 03:50:00|163.1755789
-2018-10-27 03:49:00|176.1574766
-2018-10-27 03:48:00|178.0137076
-2018-10-27 03:47:00|183.8306543
-2018-10-27 03:46:00|264.1635621
-2018-10-27 03:45:00|205.001551
-2018-10-27 03:44:00|7026.9852167
-2018-10-27 03:43:00|205.9904794
-
-[![analytics](https://www.google-analytics.com/collect?v=1&aip=1&t=pageview&_s=1&ds=github&dr=https%3A%2F%2Fgithub.com%2Fnetdata%2Fnetdata&dl=https%3A%2F%2Fmy-netdata.io%2Fgithub%2Fweb%2Fapi%2Fformatters%2Fcsv%2FREADME&_u=MAC~&cid=5792dfd7-8dc4-476b-af31-da2fdb9f93d2&tid=UA-64295674-3)]()
+| time | started |
+|:--:|:-----:|
+| 2018-10-27 03:52:00 | 245.1706149 |
+| 2018-10-27 03:51:00 | 152.6654636 |
+| 2018-10-27 03:50:00 | 163.1755789 |
+| 2018-10-27 03:49:00 | 176.1574766 |
+| 2018-10-27 03:48:00 | 178.0137076 |
+| 2018-10-27 03:47:00 | 183.8306543 |
+| 2018-10-27 03:46:00 | 264.1635621 |
+| 2018-10-27 03:45:00 | 205.001551 |
+| 2018-10-27 03:44:00 | 7026.9852167 |
+| 2018-10-27 03:43:00 | 205.9904794 |
+
+[![analytics](https://www.google-analytics.com/collect?v=1&aip=1&t=pageview&_s=1&ds=github&dr=https%3A%2F%2Fgithub.com%2Fnetdata%2Fnetdata&dl=https%3A%2F%2Fmy-netdata.io%2Fgithub%2Fweb%2Fapi%2Fformatters%2Fcsv%2FREADME&_u=MAC~&cid=5792dfd7-8dc4-476b-af31-da2fdb9f93d2&tid=UA-64295674-3)](<>)
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diff --git a/web/api/formatters/json/README.md b/web/api/formatters/json/README.md
index 033bf8eb0..8a0e37bfc 100644
--- a/web/api/formatters/json/README.md
+++ b/web/api/formatters/json/README.md
@@ -2,26 +2,26 @@
The CSV formatter presents [results of database queries](../../queries) in the following formats:
-format|content type|description
-:---:|:---:|:-----
-`json`|application/json|return the query result as a json object
-`jsonp`|application/json|return the query result as a JSONP javascript callback
-`datatable`|application/json|return the query result as a Google `datatable`
-`datasource`|application/json|return the query result as a Google Visualization Provider `datasource` javascript callback
+| format | content type | description|
+|:----:|:----------:|:----------|
+| `json` | application/json | return the query result as a json object|
+| `jsonp` | application/json | return the query result as a JSONP javascript callback|
+| `datatable` | application/json | return the query result as a Google `datatable`|
+| `datasource` | application/json | return the query result as a Google Visualization Provider `datasource` javascript callback|
The CSV formatter respects the following API `&options=`:
-option|supported|description
-:---:|:---:|:---
-`google_json`|yes|enable the Google flavor of JSON (using double quotes for strings and `Date()` function for dates
-`objectrows`|yes|return each row as an object, instead of an array
-`nonzero`|yes|to return only the dimensions that have at least a non-zero value
-`flip`|yes|to return the rows older to newer (the default is newer to older)
-`seconds`|yes|to return the date and time in unix timestamp
-`ms`|yes|to return the date and time in unit timestamp as milliseconds
-`percent`|yes|to replace all values with their percentage over the row total
-`abs`|yes|to turn all values positive
-`null2zero`|yes|to replace gaps with zeros (the default prints the string `null`
+| option | supported | description|
+|:----:|:-------:|:----------|
+| `google_json` | yes | enable the Google flavor of JSON (using double quotes for strings and `Date()` function for dates|
+| `objectrows` | yes | return each row as an object, instead of an array|
+| `nonzero` | yes | to return only the dimensions that have at least a non-zero value|
+| `flip` | yes | to return the rows older to newer (the default is newer to older)|
+| `seconds` | yes | to return the date and time in unix timestamp|
+| `ms` | yes | to return the date and time in unit timestamp as milliseconds|
+| `percent` | yes | to replace all values with their percentage over the row total|
+| `abs` | yes | to turn all values positive|
+| `null2zero` | yes | to replace gaps with zeros (the default prints the string `null`|
## Examples
@@ -148,5 +148,4 @@ google.visualization.Query.setResponse({version:'0.6',reqId:'0',status:'ok',sig:
}});
```
-
-[![analytics](https://www.google-analytics.com/collect?v=1&aip=1&t=pageview&_s=1&ds=github&dr=https%3A%2F%2Fgithub.com%2Fnetdata%2Fnetdata&dl=https%3A%2F%2Fmy-netdata.io%2Fgithub%2Fweb%2Fapi%2Fformatters%2Fjson%2FREADME&_u=MAC~&cid=5792dfd7-8dc4-476b-af31-da2fdb9f93d2&tid=UA-64295674-3)]()
+[![analytics](https://www.google-analytics.com/collect?v=1&aip=1&t=pageview&_s=1&ds=github&dr=https%3A%2F%2Fgithub.com%2Fnetdata%2Fnetdata&dl=https%3A%2F%2Fmy-netdata.io%2Fgithub%2Fweb%2Fapi%2Fformatters%2Fjson%2FREADME&_u=MAC~&cid=5792dfd7-8dc4-476b-af31-da2fdb9f93d2&tid=UA-64295674-3)](<>)
diff --git a/web/api/formatters/json_wrapper.c b/web/api/formatters/json_wrapper.c
index 4911d2f0e..5ef2caf10 100644
--- a/web/api/formatters/json_wrapper.c
+++ b/web/api/formatters/json_wrapper.c
@@ -182,11 +182,14 @@ void rrdr_json_wrapper_begin(RRDR *r, BUFFER *wb, uint32_t format, RRDR_OPTIONS
rrdr_buffer_print_format(wb, format);
- buffer_sprintf(wb, "%s,\n"
- " %sresult%s: "
- , sq
- , kq, kq
- );
+ if((options & RRDR_OPTION_CUSTOM_VARS) && (options & RRDR_OPTION_JSON_WRAP)) {
+ buffer_sprintf(wb, "%s,\n %schart_variables%s: ", sq, kq, kq);
+ health_api_v1_chart_custom_variables2json(r->st, wb);
+ }
+ else
+ buffer_sprintf(wb, "%s", sq);
+
+ buffer_sprintf(wb, ",\n %sresult%s: ", kq, kq);
if(string_value) buffer_strcat(wb, sq);
//info("JSONWRAPPER(): %s: END", r->st->id);
diff --git a/web/api/formatters/rrdset2json.c b/web/api/formatters/rrdset2json.c
index 2bbd2a70f..4d9139927 100644
--- a/web/api/formatters/rrdset2json.c
+++ b/web/api/formatters/rrdset2json.c
@@ -73,7 +73,10 @@ void rrdset2json(RRDSET *st, BUFFER *wb, size_t *dimensions_count, size_t *memor
if(dimensions_count) *dimensions_count += dimensions;
if(memory_used) *memory_used += memory;
- buffer_strcat(wb, "\n\t\t\t},\n\t\t\t\"green\": ");
+ buffer_sprintf(wb, "\n\t\t\t},\n\t\t\t\"chart_variables\": ");
+ health_api_v1_chart_custom_variables2json(st, wb);
+
+ buffer_strcat(wb, ",\n\t\t\t\"green\": ");
buffer_rrd_value(wb, st->green);
buffer_strcat(wb, ",\n\t\t\t\"red\": ");
buffer_rrd_value(wb, st->red);
diff --git a/web/api/formatters/ssv/Makefile.in b/web/api/formatters/ssv/Makefile.in
new file mode 100644
index 000000000..bbda59cf3
--- /dev/null
+++ b/web/api/formatters/ssv/Makefile.in
@@ -0,0 +1,514 @@
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diff --git a/web/api/formatters/ssv/README.md b/web/api/formatters/ssv/README.md
index a2892999f..ec85fe469 100644
--- a/web/api/formatters/ssv/README.md
+++ b/web/api/formatters/ssv/README.md
@@ -5,21 +5,21 @@ to a single value and returns a list of such values showing how it changes throu
It supports the following formats:
-format|content type|description
-:---:|:---:|:-----
-`ssv`|text/plain|a space separated list of values
-`ssvcomma`|text/plain|a comma separated list of values
-`array`|application/json|a JSON array
+| format | content type | description |
+|:----:|:----------:|:----------|
+| `ssv` | text/plain | a space separated list of values |
+| `ssvcomma` | text/plain | a comma separated list of values |
+| `array` | application/json | a JSON array |
The CSV formatter respects the following API `&options=`:
-option|supported|description
-:---:|:---:|:---
-`nonzero`|yes|to return only the dimensions that have at least a non-zero value
-`flip`|yes|to return the numbers older to newer (the default is newer to older)
-`percent`|yes|to replace all values with their percentage over the row total
-`abs`|yes|to turn all values positive, before using them
-`min2max`|yes|to return the delta from the minimum value to the maximum value (across dimensions)
+| option | supported | description |
+| :----:|:-------:|:----------|
+| `nonzero` | yes | to return only the dimensions that have at least a non-zero value |
+| `flip` | yes | to return the numbers older to newer (the default is newer to older) |
+| `percent` | yes | to replace all values with their percentage over the row total |
+| `abs` | yes | to turn all values positive, before using them |
+| `min2max` | yes | to return the delta from the minimum value to the maximum value (across dimensions) |
## Examples
@@ -51,4 +51,4 @@ in a JSON array:
[278,258,268,239,259,260,243,266,278,318,264,258]
```
-[![analytics](https://www.google-analytics.com/collect?v=1&aip=1&t=pageview&_s=1&ds=github&dr=https%3A%2F%2Fgithub.com%2Fnetdata%2Fnetdata&dl=https%3A%2F%2Fmy-netdata.io%2Fgithub%2Fweb%2Fapi%2Fformatters%2Fssv%2FREADME&_u=MAC~&cid=5792dfd7-8dc4-476b-af31-da2fdb9f93d2&tid=UA-64295674-3)]()
+[![analytics](https://www.google-analytics.com/collect?v=1&aip=1&t=pageview&_s=1&ds=github&dr=https%3A%2F%2Fgithub.com%2Fnetdata%2Fnetdata&dl=https%3A%2F%2Fmy-netdata.io%2Fgithub%2Fweb%2Fapi%2Fformatters%2Fssv%2FREADME&_u=MAC~&cid=5792dfd7-8dc4-476b-af31-da2fdb9f93d2&tid=UA-64295674-3)](<>)
diff --git a/web/api/formatters/value/Makefile.in b/web/api/formatters/value/Makefile.in
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diff --git a/web/api/formatters/value/README.md b/web/api/formatters/value/README.md
index 50974de6d..04a0f8867 100644
--- a/web/api/formatters/value/README.md
+++ b/web/api/formatters/value/README.md
@@ -6,14 +6,14 @@ To calculate the single value to be returned, it sums the values of all dimensio
The Value formatter respects the following API `&options=`:
-option|supported|description
-:---:|:---:|:---
-`percent`|yes|to replace all values with their percentage over the row total
-`abs`|yes|to turn all values positive, before using them
-`min2max`|yes|to return the delta from the minimum value to the maximum value (across dimensions)
+| option | supported | description |
+|:----: |:-------: |:---------- |
+| `percent` | yes | to replace all values with their percentage over the row total|
+| `abs` | yes | to turn all values positive, before using them |
+| `min2max` | yes | to return the delta from the minimum value to the maximum value (across dimensions)|
The Value formatter is not exposed by the API by itself.
Instead it is used by the [`ssv`](../ssv) formatter
and [health monitoring queries](../../../../health).
-[![analytics](https://www.google-analytics.com/collect?v=1&aip=1&t=pageview&_s=1&ds=github&dr=https%3A%2F%2Fgithub.com%2Fnetdata%2Fnetdata&dl=https%3A%2F%2Fmy-netdata.io%2Fgithub%2Fweb%2Fapi%2Fformatters%2Fvalue%2FREADME&_u=MAC~&cid=5792dfd7-8dc4-476b-af31-da2fdb9f93d2&tid=UA-64295674-3)]()
+[![analytics](https://www.google-analytics.com/collect?v=1&aip=1&t=pageview&_s=1&ds=github&dr=https%3A%2F%2Fgithub.com%2Fnetdata%2Fnetdata&dl=https%3A%2F%2Fmy-netdata.io%2Fgithub%2Fweb%2Fapi%2Fformatters%2Fvalue%2FREADME&_u=MAC~&cid=5792dfd7-8dc4-476b-af31-da2fdb9f93d2&tid=UA-64295674-3)](<>)
diff --git a/web/api/health/Makefile.in b/web/api/health/Makefile.in
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+ README.md \
+ $(NULL)
+
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+
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+ && { if test -f $@; then exit 0; else break; fi; }; \
+ exit 1;; \
+ esac; \
+ done; \
+ echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu web/api/health/Makefile'; \
+ $(am__cd) $(top_srcdir) && \
+ $(AUTOMAKE) --gnu web/api/health/Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+ @case '$?' in \
+ *config.status*) \
+ cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
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+cscope cscopelist:
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+distdir: $(DISTFILES)
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+ topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
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+ dist_files=`for file in $$list; do echo $$file; done | \
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+ -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
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+ sort -u` ;; \
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+ if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
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+ test -f "$(distdir)/$$file" \
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diff --git a/web/api/health/README.md b/web/api/health/README.md
index 0b4f79f38..a86dbfdd8 100644
--- a/web/api/health/README.md
+++ b/web/api/health/README.md
@@ -45,12 +45,13 @@ The following will return an SVG badge of the alarm named `NAME`, attached to th
## Health Management API
Netdata v1.12 and beyond provides a command API to control health checks and notifications at runtime. The feature is especially useful for maintenance periods, during which you receive meaningless alarms.
-From Netdata v1.16.0 and beyond, the configuration controlled via the API commands is [persisted across netdata restarts](#persistence).
+From Netdata v1.16.0 and beyond, the configuration controlled via the API commands is [persisted across Netdata restarts](#persistence).
Specifically, the API allows you to:
- - Disable health checks completely. Alarm conditions will not be evaluated at all and no entries will be added to the alarm log.
- - Silence alarm notifications. Alarm conditions will be evaluated, the alarms will appear in the log and the netdata UI will show the alarms as active, but no notifications will be sent.
- - Disable or Silence specific alarms that match selectors on alarm/template name, chart, context, host and family.
+
+- Disable health checks completely. Alarm conditions will not be evaluated at all and no entries will be added to the alarm log.
+- Silence alarm notifications. Alarm conditions will be evaluated, the alarms will appear in the log and the Netdata UI will show the alarms as active, but no notifications will be sent.
+- Disable or Silence specific alarms that match selectors on alarm/template name, chart, context, host and family.
The API is available by default, but it is protected by an `api authorization token` that is stored in the file you will see in the following entry of `http://localhost:19999/netdata.conf`:
@@ -65,31 +66,31 @@ You can access the API via GET requests, by adding the bearer token to an `Autho
curl "http://myserver/api/v1/manage/health?cmd=RESET" -H "X-Auth-Token: Mytoken"
```
-By default access to the health management API is only allowed from `localhost`. Accessing the API from anything else will return a 403 error with the message `You are not allowed to access this resource.`. You can change permissions by editing the `allow management from` variable in netdata.conf within the [web] section. See [web server access lists](../../server/#access-lists) for more information.
+By default access to the health management API is only allowed from `localhost`. Accessing the API from anything else will return a 403 error with the message `You are not allowed to access this resource.`. You can change permissions by editing the `allow management from` variable in `netdata.conf` within the [web] section. See [web server access lists](../../server/#access-lists) for more information.
-The command `RESET` just returns netdata to the default operation, with all health checks and notifications enabled.
+The command `RESET` just returns Netdata to the default operation, with all health checks and notifications enabled.
If you've configured and entered your token correclty, you should see the plain text response `All health checks and notifications are enabled`.
### Disable or silence all alarms
If all you need is temporarily disable all health checks, then you issue the following before your maintenance period starts:
-```
+```sh
curl "http://myserver/api/v1/manage/health?cmd=DISABLE ALL" -H "X-Auth-Token: Mytoken"
```
The effect of disabling health checks is that the alarm criteria are not evaluated at all and nothing is written in the alarm log.
If you want the health checks to be running but to not receive any notifications during your maintenance period, you can instead use this:
-```
+```sh
curl "http://myserver/api/v1/manage/health?cmd=SILENCE ALL" -H "X-Auth-Token: Mytoken"
```
-Alarms may then still be raised and logged in netdata, so you'll be able to see them via the UI.
+Alarms may then still be raised and logged in Netdata, so you'll be able to see them via the UI.
Regardless of the option you choose, at the end of your maintenance period you revert to the normal state via the RESET command.
-```
+```sh
curl "http://myserver/api/v1/manage/health?cmd=RESET" -H "X-Auth-Token: Mytoken"
```
@@ -97,8 +98,9 @@ Regardless of the option you choose, at the end of your maintenance period you r
If you do not wish to disable/silence all alarms, then the `DISABLE ALL` and `SILENCE ALL` commands can't be used.
Instead, the following commands expect that one or more alarm selectors will be added, so that only alarms that match the selectors are disabled or silenced.
-- `DISABLE` : Set the mode to disable health checks.
-- `SILENCE` : Set the mode to silence notifications.
+
+- `DISABLE` : Set the mode to disable health checks.
+- `SILENCE` : Set the mode to silence notifications.
You will normally put one of these commands in the same request with your first alarm selector, but it's possible to issue them separately as well.
You will get a warning in the response, if a selector was added without a SILENCE/DISABLE command, or vice versa.
@@ -118,14 +120,15 @@ curl "http://myserver/api/v1/manage/health?cmd=SILENCE&context=load" -H "X-Auth-
#### Selection criteria
-The `selection criteria` are key/value pairs, in the format `key : value`, where value is a netdata [simple pattern](../../../libnetdata/simple_pattern/). This means that you can create very powerful selectors (you will rarely need more than one or two).
+The `selection criteria` are key/value pairs, in the format `key : value`, where value is a Netdata [simple pattern](../../../libnetdata/simple_pattern/). This means that you can create very powerful selectors (you will rarely need more than one or two).
The accepted keys for the `selection criteria` are the following:
-- `alarm` : The expression provided will match both `alarm` and `template` names.
-- `chart` : Chart ids/names, as shown on the dashboard. These will match the `on` entry of a configured `alarm`.
-- `context` : Chart context, as shown on the dashboard. These will match the `on` entry of a configured `template`.
-- `hosts` : The hostnames that will need to match.
-- `families` : The alarm families.
+
+- `alarm` : The expression provided will match both `alarm` and `template` names.
+- `chart` : Chart ids/names, as shown on the dashboard. These will match the `on` entry of a configured `alarm`.
+- `context` : Chart context, as shown on the dashboard. These will match the `on` entry of a configured `template`.
+- `hosts` : The hostnames that will need to match.
+- `families` : The alarm families.
You can add any of the selection criteria you need on the request, to ensure that only the alarms you are interested in are matched and disabled/silenced. e.g. there is no reason to add `hosts: *`, if you want the criteria to be applied to alarms for all hosts.
@@ -149,7 +152,7 @@ http://localhost/api/v1/manage/health?families=cpu1 cpu2
### List silencers
-The command `LIST` was added in netdata v1.16.0 and returns a JSON with the current status of the silencers.
+The command `LIST` was added in Netdata v1.16.0 and returns a JSON with the current status of the silencers.
```
curl "http://myserver/api/v1/manage/health?cmd=LIST" -H "X-Auth-Token: Mytoken"
@@ -187,20 +190,20 @@ json
### Responses
-- "Auth Error" : Token authentication failed
-- "All alarm notifications are silenced" : Successful response to cmd=SILENCE ALL
-- "All health checks are disabled" : Successful response to cmd=DISABLE ALL
-- "All health checks and notifications are enabled" : Successful response to cmd=RESET
-- "Health checks disabled for alarms matching the selectors" : Added to the response for a cmd=DISABLE
-- "Alarm notifications silenced for alarms matching the selectors" : Added to the response for a cmd=SILENCE
-- "Alarm selector added" : Added to the response when a new selector is added
-- "Invalid key. Ignoring it." : Wrong name of a parameter. Added to the response and ignored.
-- "WARNING: Added alarm selector to silence/disable alarms without a SILENCE or DISABLE command." : Added to the response if a selector is added without a selector-specific command.
-- "WARNING: SILENCE or DISABLE command is ineffective without defining any alarm selectors." : Added to the response if a selector-specific command is issued without a selector.
+- "Auth Error" : Token authentication failed
+- "All alarm notifications are silenced" : Successful response to cmd=SILENCE ALL
+- "All health checks are disabled" : Successful response to cmd=DISABLE ALL
+- "All health checks and notifications are enabled" : Successful response to cmd=RESET
+- "Health checks disabled for alarms matching the selectors" : Added to the response for a cmd=DISABLE
+- "Alarm notifications silenced for alarms matching the selectors" : Added to the response for a cmd=SILENCE
+- "Alarm selector added" : Added to the response when a new selector is added
+- "Invalid key. Ignoring it." : Wrong name of a parameter. Added to the response and ignored.
+- "WARNING: Added alarm selector to silence/disable alarms without a SILENCE or DISABLE command." : Added to the response if a selector is added without a selector-specific command.
+- "WARNING: SILENCE or DISABLE command is ineffective without defining any alarm selectors." : Added to the response if a selector-specific command is issued without a selector.
### Persistence
-From netdata v1.16.0 and beyond, the silencers configuration is persisted to disk and loaded when netdata starts.
+From Netdata v1.16.0 and beyond, the silencers configuration is persisted to disk and loaded when Netdata starts.
The JSON string returned by the [LIST command](#list-silencers) is automatically saved to the `silencers file`, every time a command alters the silencers configuration.
The file's location is configurable in `netdata.conf`. The default is shown below:
@@ -213,5 +216,4 @@ The file's location is configurable in `netdata.conf`. The default is shown belo
The test script under [tests/health_mgmtapi](../../../tests/health_mgmtapi) contains a series of tests that you can either run or read through to understand the various calls and responses better.
-
-[![analytics](https://www.google-analytics.com/collect?v=1&aip=1&t=pageview&_s=1&ds=github&dr=https%3A%2F%2Fgithub.com%2Fnetdata%2Fnetdata&dl=https%3A%2F%2Fmy-netdata.io%2Fgithub%2Fweb%2Fapi%2Fhealth%2FREADME&_u=MAC~&cid=5792dfd7-8dc4-476b-af31-da2fdb9f93d2&tid=UA-64295674-3)]()
+[![analytics](https://www.google-analytics.com/collect?v=1&aip=1&t=pageview&_s=1&ds=github&dr=https%3A%2F%2Fgithub.com%2Fnetdata%2Fnetdata&dl=https%3A%2F%2Fmy-netdata.io%2Fgithub%2Fweb%2Fapi%2Fhealth%2FREADME&_u=MAC~&cid=5792dfd7-8dc4-476b-af31-da2fdb9f93d2&tid=UA-64295674-3)](<>)
diff --git a/web/api/netdata-swagger.json b/web/api/netdata-swagger.json
index 63bc5638d..1a0ec8638 100644
--- a/web/api/netdata-swagger.json
+++ b/web/api/netdata-swagger.json
@@ -243,7 +243,8 @@
"percentage",
"unaligned",
"match-ids",
- "match-names"
+ "match-names",
+ "showcustomvars"
],
"collectionFormat": "pipes"
},
@@ -656,6 +657,61 @@
}
}
},
+ "/alarm_count": {
+ "get": {
+ "summary": "Get an overall status of the chart",
+ "description": "Checks multiple charts with the same context and counts number of alarms with given status.",
+ "parameters": [
+ {
+ "in": "query",
+ "name": "context",
+ "description": "Specify context which should be checked",
+ "required": false,
+ "allowEmptyValue": true,
+ "type": "array",
+ "items": {
+ "type": "string",
+ "collectionFormat": "pipes"
+ },
+ "default": [
+ "system.cpu"
+ ]
+ },
+ {
+ "in": "query",
+ "name": "status",
+ "description": "Specify alarm status to count",
+ "required": false,
+ "allowEmptyValue": true,
+ "type": "string",
+ "enum": [
+ "REMOVED",
+ "UNDEFINED",
+ "UNINITIALIZED",
+ "CLEAR",
+ "RAISED",
+ "WARNING",
+ "CRITICAL"
+ ],
+ "default": "RAISED"
+ }
+ ],
+ "responses": {
+ "200": {
+ "description": "An object containing a count of alarms with given status for given contexts",
+ "schema": {
+ "type": "array",
+ "items": {
+ "type": "number"
+ }
+ }
+ },
+ "500": {
+ "description": "Internal server error. This usually means the server is out of memory."
+ }
+ }
+ }
+ },
"/manage/health": {
"get": {
"summary": "Accesses the health management API to control health checks and notifications at runtime.",
@@ -975,6 +1031,14 @@
}
}
},
+ "chart_variables": {
+ "type": "object",
+ "properties": {
+ "key": {
+ "$ref": "#/definitions/chart_variables"
+ }
+ }
+ },
"green": {
"type": "number",
"description": "Chart health green threshold"
@@ -1011,13 +1075,8 @@
"chart_variables": {
"type": "object",
"properties": {
- "varname1": {
- "type": "number",
- "format": "float"
- },
- "varname2": {
- "type": "number",
- "format": "float"
+ "key": {
+ "$ref": "#/definitions/chart_variables"
}
}
},
@@ -1049,6 +1108,19 @@
}
}
},
+ "chart_variables": {
+ "type": "object",
+ "properties": {
+ "varname1": {
+ "type": "number",
+ "format": "float"
+ },
+ "varname2": {
+ "type": "number",
+ "format": "float"
+ }
+ }
+ },
"dimension": {
"type": "object",
"properties": {
@@ -1145,6 +1217,14 @@
"type": "string",
"description": "The format of the result returned."
},
+ "chart_variables": {
+ "type": "object",
+ "properties": {
+ "key": {
+ "$ref": "#/definitions/chart_variables"
+ }
+ }
+ },
"result": {
"description": "The result requested, in the format requested."
}
diff --git a/web/api/netdata-swagger.yaml b/web/api/netdata-swagger.yaml
index 3386e01a7..50e661400 100644
--- a/web/api/netdata-swagger.yaml
+++ b/web/api/netdata-swagger.yaml
@@ -163,7 +163,7 @@ paths:
type: array
items:
type: string
- enum: [ 'nonzero', 'flip', 'jsonwrap', 'min2max', 'seconds', 'milliseconds', 'abs', 'absolute', 'absolute-sum', 'null2zero', 'objectrows', 'google_json', 'percentage', 'unaligned', 'match-ids', 'match-names' ]
+ enum: [ 'nonzero', 'flip', 'jsonwrap', 'min2max', 'seconds', 'milliseconds', 'abs', 'absolute', 'absolute-sum', 'null2zero', 'objectrows', 'google_json', 'percentage', 'unaligned', 'match-ids', 'match-names', 'showcustomvars' ]
collectionFormat: pipes
default: [seconds, jsonwrap]
allowEmptyValue: false
@@ -430,6 +430,38 @@ paths:
type: array
items:
$ref: '#/definitions/alarm_log_entry'
+ /alarm_count:
+ get:
+ summary: 'Get an overall status of the chart'
+ description: "Checks multiple charts with the same context and counts number of alarms with given status."
+ parameters:
+ - in: query
+ name: context
+ description: "Specify context which should be checked"
+ required: false
+ allowEmptyValue: true
+ type: array
+ items:
+ type: string
+ collectionFormat: pipes
+ default: ['system.cpu']
+ - in: query
+ name: status
+ description: "Specify alarm status to count"
+ required: false
+ allowEmptyValue: true
+ type: string
+ enum: ['REMOVED', 'UNDEFINED', 'UNINITIALIZED', 'CLEAR', 'RAISED', 'WARNING', 'CRITICAL']
+ default: 'RAISED'
+ responses:
+ '200':
+ description: 'An object containing a count of alarms with given status for given contexts'
+ schema:
+ type: array
+ items:
+ type: number
+ '500':
+ description: 'Internal server error. This usually means the server is out of memory.'
/manage/health:
get:
summary: 'Accesses the health management API to control health checks and notifications at runtime.'
@@ -654,6 +686,11 @@ definitions:
properties:
key:
$ref: '#/definitions/dimension'
+ chart_variables:
+ type: object
+ properties:
+ key:
+ $ref: '#/definitions/chart_variables'
green:
type: number
description: 'Chart health green threshold'
@@ -681,12 +718,8 @@ definitions:
chart_variables:
type: object
properties:
- varname1:
- type: number
- format: float
- varname2:
- type: number
- format: float
+ key:
+ $ref: '#/definitions/chart_variables'
family_variables:
type: object
properties:
@@ -705,6 +738,15 @@ definitions:
varname2:
type: number
format: float
+ chart_variables:
+ type: object
+ properties:
+ varname1:
+ type: number
+ format: float
+ varname2:
+ type: number
+ format: float
dimension:
type: object
properties:
@@ -776,6 +818,11 @@ definitions:
format:
type: string
description: 'The format of the result returned.'
+ chart_variables:
+ type: object
+ properties:
+ key:
+ $ref: '#/definitions/chart_variables'
result:
description: 'The result requested, in the format requested.'
alarms:
diff --git a/web/api/queries/Makefile.in b/web/api/queries/Makefile.in
new file mode 100644
index 000000000..dca8341d7
--- /dev/null
+++ b/web/api/queries/Makefile.in
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diff --git a/web/api/queries/README.md b/web/api/queries/README.md
index 6a55398ac..458179c71 100644
--- a/web/api/queries/README.md
+++ b/web/api/queries/README.md
@@ -4,16 +4,16 @@ Netdata database can be queried with `/api/v1/data` and `/api/v1/badge.svg` REST
Every data query accepts the following parameters:
-name|required|description
-:----:|:----:|:---
-`chart`|yes|The chart to be queried.
-`points`|no|The number of points to be returned. Netdata can reduce number of points by applying query grouping methods. If not given, the result will have the same granularity as the database (although this relates to `gtime`).
-`before`|no|The absolute timestamp or the relative (to now) time the query should finish evaluating data. If not given, it defaults to the timestamp of the latest point in the database.
-`after`|no|The absolute timestamp or the relative (to `before`) time the query should start evaluating data. if not given, it defaults to the timestamp of the oldest point in the database.
-`group`|no|The grouping method to use when reducing the points the database has. If not given, it defaults to `average`.
-`gtime`|no|A resampling period to change the units of the metrics (i.e. setting this to `60` will convert `per second` metrics to `per minute`. If not given it defaults to granularity of the database.
-`options`|no|A bitmap of options that can affect the operation of the query. Only 2 options are used by the query engine: `unaligned` and `percentage`. All the other options are used by the output formatters. The default is to return aligned data.
-`dimensions`|no|A simple pattern to filter the dimensions to be queried. The default is to return all the dimensions of the chart.
+|name|required|description|
+|:--:|:------:|:----------|
+|`chart`|yes|The chart to be queried.|
+|`points`|no|The number of points to be returned. Netdata can reduce number of points by applying query grouping methods. If not given, the result will have the same granularity as the database (although this relates to `gtime`).|
+|`before`|no|The absolute timestamp or the relative (to now) time the query should finish evaluating data. If not given, it defaults to the timestamp of the latest point in the database.|
+|`after`|no|The absolute timestamp or the relative (to `before`) time the query should start evaluating data. if not given, it defaults to the timestamp of the oldest point in the database.|
+|`group`|no|The grouping method to use when reducing the points the database has. If not given, it defaults to `average`.|
+|`gtime`|no|A resampling period to change the units of the metrics (i.e. setting this to `60` will convert `per second` metrics to `per minute`. If not given it defaults to granularity of the database.|
+|`options`|no|A bitmap of options that can affect the operation of the query. Only 2 options are used by the query engine: `unaligned` and `percentage`. All the other options are used by the output formatters. The default is to return aligned data.|
+|`dimensions`|no|A simple pattern to filter the dimensions to be queried. The default is to return all the dimensions of the chart.|
## Operation
@@ -23,22 +23,22 @@ The query engine works as follows (in this order):
`after` and `before` define a time-frame, accepting:
-- **absolute timestamps** (unix timestamps, i.e. seconds since epoch).
+- **absolute timestamps** (unix timestamps, i.e. seconds since epoch).
-- **relative timestamps**:
+- **relative timestamps**:
- `before` is relative to now and `after` is relative to `before`.
-
- Example: `before=-60&after=-60` evaluates to the time-frame from -120 up to -60 seconds in
- the past, relative to the latest entry of the database of the chart.
+ `before` is relative to now and `after` is relative to `before`.
+
+ Example: `before=-60&after=-60` evaluates to the time-frame from -120 up to -60 seconds in
+ the past, relative to the latest entry of the database of the chart.
The engine verifies that the time-frame requested is available at the database:
-- If the requested time-frame overlaps with the database, the excess requested
- will be truncated.
-
-- If the requested time-frame does not overlap with the database, the engine will
- return an empty data set.
+- If the requested time-frame overlaps with the database, the excess requested
+ will be truncated.
+
+- If the requested time-frame does not overlap with the database, the engine will
+ return an empty data set.
At the end of this operation, `after` and `before` are absolute timestamps.
@@ -49,27 +49,26 @@ expressed with fewer points, compared to what is available at the database.
There are 2 uses that enable this feature:
-- The caller requests a specific number of `points` to be returned.
-
- For example, for a time-frame of 10 minutes, the database has 600 points (1/sec),
- while the caller requested these 10 minutes to be expressed in 200 points.
-
- This feature is used by netdata dashboards when you zoom-out the charts.
- The dashboard is requesting the number of points the user's screen has.
- This saves bandwidth and speeds up the browser (fewer points to evaluate for drawing the charts).
-
-- The caller requests a **re-sampling** of the database, by setting `gtime` to any value
- above the granularity of the chart.
-
- For example, the chart's units is `requests/sec` and caller wants `requests/min`.
-
+- The caller requests a specific number of `points` to be returned.
+
+ For example, for a time-frame of 10 minutes, the database has 600 points (1/sec),
+ while the caller requested these 10 minutes to be expressed in 200 points.
+
+ This feature is used by Netdata dashboards when you zoom-out the charts.
+ The dashboard is requesting the number of points the user's screen has.
+ This saves bandwidth and speeds up the browser (fewer points to evaluate for drawing the charts).
+- The caller requests a **re-sampling** of the database, by setting `gtime` to any value
+ above the granularity of the chart.
+
+ For example, the chart's units is `requests/sec` and caller wants `requests/min`.
+
Using `points` and `gtime` the query engine tries to find a best fit for **database-points**
vs **result-points** (we call this ratio `group points`). It always tries to keep `group points`
an integer. Keep in mind the query engine may shift `after` if required. See also the [example](#example).
#### Time-frame Alignment
-Alignment is a very important aspect of netdata queries. Without it, the animated
+Alignment is a very important aspect of Netdata queries. Without it, the animated
charts on the dashboards would constantly [change shape](#example) during incremental updates.
To provide consistent grouping through time, the query engine (by default) aligns
@@ -79,7 +78,7 @@ For example, if `group points` is 60 and alignment is enabled, the engine will r
each point with durations XX:XX:00 - XX:XX:59, matching whole minutes.
To disable alignment, pass `&options=unaligned` to the query.
-
+
#### Query Execution
To execute the query, the engine evaluates all dimensions of the chart, one after another.
@@ -100,18 +99,18 @@ For each value it calls the **grouping method** given with the `&group=` query p
The following grouping methods are supported. These are given all the values in the time-frame
and they group the values every `group points`.
-- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=min&after=-60&label=min&value_color=blue) finds the minimum value
-- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=max&after=-60&label=max&value_color=lightblue) finds the maximum value
-- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=average&after=-60&label=average&value_color=yellow) finds the average value
-- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=sum&after=-60&label=sum&units=requests&value_color=orange) adds all the values and returns the sum
-- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=median&after=-60&label=median&value_color=red) sorts the values and returns the value in the middle of the list
-- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=stddev&after=-60&label=stddev&value_color=green) finds the standard deviation of the values
-- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=cv&after=-60&label=cv&units=pcent&value_color=yellow) finds the relative standard deviation (coefficient of variation) of the values
-- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=ses&after=-60&label=ses&value_color=brown) finds the exponential weighted moving average of the values
-- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=des&after=-60&label=des&value_color=blue) applies Holt-Winters double exponential smoothing
-- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=incremental_sum&after=-60&label=incremental_sum&value_color=red) finds the difference of the last vs the first value
+- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=min&after=-60&label=min&value_color=blue) finds the minimum value
+- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=max&after=-60&label=max&value_color=lightblue) finds the maximum value
+- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=average&after=-60&label=average&value_color=yellow) finds the average value
+- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=sum&after=-60&label=sum&units=requests&value_color=orange) adds all the values and returns the sum
+- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=median&after=-60&label=median&value_color=red) sorts the values and returns the value in the middle of the list
+- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=stddev&after=-60&label=stddev&value_color=green) finds the standard deviation of the values
+- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=cv&after=-60&label=cv&units=pcent&value_color=yellow) finds the relative standard deviation (coefficient of variation) of the values
+- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=ses&after=-60&label=ses&value_color=brown) finds the exponential weighted moving average of the values
+- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=des&after=-60&label=des&value_color=blue) applies Holt-Winters double exponential smoothing
+- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=incremental_sum&after=-60&label=incremental_sum&value_color=red) finds the difference of the last vs the first value
-The examples shown above, are live information from the `successful` web requests of the global netdata registry.
+The examples shown above, are live information from the `successful` web requests of the global Netdata registry.
## Further processing
@@ -129,44 +128,44 @@ the result.
## Example
-When netdata is reducing metrics, it tries to return always the same boundaries. So, if we want 10s averages, it will always return points starting at a `unix timestamp % 10 = 0`.
+When Netdata is reducing metrics, it tries to return always the same boundaries. So, if we want 10s averages, it will always return points starting at a `unix timestamp % 10 = 0`.
Let's see why this is needed, by looking at the error case.
Assume we have 5 points:
-| time | value |
-| :-: | :-: |
-| 00:01 | 1 |
-| 00:02 | 2 |
-| 00:03 | 3 |
-| 00:04 | 4 |
-| 00:05 | 5 |
+|time|value|
+|:--:|:---:|
+|00:01|1|
+|00:02|2|
+|00:03|3|
+|00:04|4|
+|00:05|5|
-At 00:04 you ask for 2 points for 4 seconds in the past. So `group = 2`. netdata would return:
+At 00:04 you ask for 2 points for 4 seconds in the past. So `group = 2`. Netdata would return:
-| point | time | value |
-| :-: | :-: | :-: |
-| 1 | 00:01 - 00:02 | 1.5 |
-| 2 | 00:03 - 00:04 | 3.5 |
+|point|time|value|
+|:---:|:--:|:---:|
+|1|00:01 - 00:02|1.5|
+|2|00:03 - 00:04|3.5|
A second later the chart is to be refreshed, and makes again the same request at 00:05. These are the points that would have been returned:
-| point | time | value |
-| :-: | :-: | :-: |
-| 1 | 00:02 - 00:03 | 2.5 |
-| 2 | 00:04 - 00:05 | 4.5 |
+|point|time|value|
+|:---:|:--:|:---:|
+|1|00:02 - 00:03|2.5|
+|2|00:04 - 00:05|4.5|
**Wait a moment!** The chart was shifted just one point and it changed value! Point 2 was 3.5 and when shifted to point 1 is 2.5! If you see this in a chart, it's a mess. The charts change shape constantly.
-For this reason, netdata always aligns the data it returns to the `group`.
+For this reason, Netdata always aligns the data it returns to the `group`.
-When you request `points=1`, netdata understands that you need 1 point for the whole database, so `group = 3600`. Then it tries to find the starting point which would be `timestamp % 3600 = 0` Within a database of 3600 seconds, there is one such point for sure. Then it tries to find the average of 3600 points. But, most probably it will not find 3600 of them (for just 1 out of 3600 seconds this query will return something).
+When you request `points=1`, Netdata understands that you need 1 point for the whole database, so `group = 3600`. Then it tries to find the starting point which would be `timestamp % 3600 = 0` Within a database of 3600 seconds, there is one such point for sure. Then it tries to find the average of 3600 points. But, most probably it will not find 3600 of them (for just 1 out of 3600 seconds this query will return something).
So, the proper way to query the database is to also set at least `after`. The following call will returns 1 point for the last complete 10-second duration (it starts at `timestamp % 10 = 0`):
-http://netdata.firehol.org/api/v1/data?chart=system.cpu&points=1&after=-10&options=seconds
+<http://netdata.firehol.org/api/v1/data?chart=system.cpu&points=1&after=-10&options=seconds>
When you keep calling this URL, you will see that it returns one new value every 10 seconds, and the timestamp always ends with zero. Similarly, if you say `points=1&after=-5` it will always return timestamps ending with 0 or 5.
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diff --git a/web/api/queries/average/README.md b/web/api/queries/average/README.md
index 873b60a5f..6b2c0dfa4 100644
--- a/web/api/queries/average/README.md
+++ b/web/api/queries/average/README.md
@@ -30,12 +30,12 @@ It can also be used in APIs and badges as `&group=average` in the URL.
Examining last 1 minute `successful` web server responses:
-- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=min&after=-60&label=min)
-- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=average&after=-60&label=average&value_color=orange)
-- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=max&after=-60&label=max)
+- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=min&after=-60&label=min)
+- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=average&after=-60&label=average&value_color=orange)
+- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=max&after=-60&label=max)
## References
-- [https://en.wikipedia.org/wiki/Average](https://en.wikipedia.org/wiki/Average).
+- <https://en.wikipedia.org/wiki/Average>.
-[![analytics](https://www.google-analytics.com/collect?v=1&aip=1&t=pageview&_s=1&ds=github&dr=https%3A%2F%2Fgithub.com%2Fnetdata%2Fnetdata&dl=https%3A%2F%2Fmy-netdata.io%2Fgithub%2Fweb%2Fapi%2Fqueries%2Faverage%2FREADME&_u=MAC~&cid=5792dfd7-8dc4-476b-af31-da2fdb9f93d2&tid=UA-64295674-3)]()
+[![analytics](https://www.google-analytics.com/collect?v=1&aip=1&t=pageview&_s=1&ds=github&dr=https%3A%2F%2Fgithub.com%2Fnetdata%2Fnetdata&dl=https%3A%2F%2Fmy-netdata.io%2Fgithub%2Fweb%2Fapi%2Fqueries%2Faverage%2FREADME&_u=MAC~&cid=5792dfd7-8dc4-476b-af31-da2fdb9f93d2&tid=UA-64295674-3)](<>)
diff --git a/web/api/queries/average/average.c b/web/api/queries/average/average.c
index c871b8778..2c64358e6 100644
--- a/web/api/queries/average/average.c
+++ b/web/api/queries/average/average.c
@@ -46,9 +46,12 @@ calculated_number grouping_flush_average(RRDR *r, RRDR_VALUE_FLAGS *rrdr_value_
*rrdr_value_options_ptr |= RRDR_VALUE_EMPTY;
}
else {
- if(unlikely(r->internal.resampling_group != 1))
- value = g->sum / r->internal.resampling_divisor;
- else
+ if(unlikely(r->internal.resampling_group != 1)) {
+ if (unlikely(r->result_options & RRDR_RESULT_OPTION_VARIABLE_STEP))
+ value = g->sum / g->count / r->internal.resampling_divisor;
+ else
+ value = g->sum / r->internal.resampling_divisor;
+ } else
value = g->sum / g->count;
}
diff --git a/web/api/queries/des/Makefile.in b/web/api/queries/des/Makefile.in
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diff --git a/web/api/queries/des/README.md b/web/api/queries/des/README.md
index 486221cbd..57ac805d8 100644
--- a/web/api/queries/des/README.md
+++ b/web/api/queries/des/README.md
@@ -55,14 +55,14 @@ It can also be used in APIs and badges as `&group=des` in the URL.
Examining last 1 minute `successful` web server responses:
-- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=min&after=-60&label=min)
-- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=average&after=-60&label=average&value_color=yellow)
-- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=ses&after=-60&label=single+exponential+smoothing&value_color=yellow)
-- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=des&after=-60&label=double+exponential+smoothing&value_color=orange)
-- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=max&after=-60&label=max)
+- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=min&after=-60&label=min)
+- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=average&after=-60&label=average&value_color=yellow)
+- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=ses&after=-60&label=single+exponential+smoothing&value_color=yellow)
+- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=des&after=-60&label=double+exponential+smoothing&value_color=orange)
+- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=max&after=-60&label=max)
## References
-- [https://en.wikipedia.org/wiki/Exponential_smoothing](https://en.wikipedia.org/wiki/Exponential_smoothing).
+- <https://en.wikipedia.org/wiki/Exponential_smoothing>.
-[![analytics](https://www.google-analytics.com/collect?v=1&aip=1&t=pageview&_s=1&ds=github&dr=https%3A%2F%2Fgithub.com%2Fnetdata%2Fnetdata&dl=https%3A%2F%2Fmy-netdata.io%2Fgithub%2Fweb%2Fapi%2Fqueries%2Fdes%2FREADME&_u=MAC~&cid=5792dfd7-8dc4-476b-af31-da2fdb9f93d2&tid=UA-64295674-3)]()
+[![analytics](https://www.google-analytics.com/collect?v=1&aip=1&t=pageview&_s=1&ds=github&dr=https%3A%2F%2Fgithub.com%2Fnetdata%2Fnetdata&dl=https%3A%2F%2Fmy-netdata.io%2Fgithub%2Fweb%2Fapi%2Fqueries%2Fdes%2FREADME&_u=MAC~&cid=5792dfd7-8dc4-476b-af31-da2fdb9f93d2&tid=UA-64295674-3)](<>)
diff --git a/web/api/queries/incremental_sum/Makefile.in b/web/api/queries/incremental_sum/Makefile.in
new file mode 100644
index 000000000..e76a93860
--- /dev/null
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diff --git a/web/api/queries/incremental_sum/README.md b/web/api/queries/incremental_sum/README.md
index 47f833f38..108788902 100644
--- a/web/api/queries/incremental_sum/README.md
+++ b/web/api/queries/incremental_sum/README.md
@@ -24,13 +24,13 @@ It can also be used in APIs and badges as `&group=incremental_sum` in the URL.
Examining last 1 minute `successful` web server responses:
-- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=min&after=-60&label=min)
-- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=average&after=-60&label=average)
-- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=max&after=-60&label=max)
-- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=incremental_sum&after=-60&label=incremental+sum&value_color=orange)
+- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=min&after=-60&label=min)
+- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=average&after=-60&label=average)
+- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=max&after=-60&label=max)
+- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=incremental_sum&after=-60&label=incremental+sum&value_color=orange)
## References
-- none
+- none
-[![analytics](https://www.google-analytics.com/collect?v=1&aip=1&t=pageview&_s=1&ds=github&dr=https%3A%2F%2Fgithub.com%2Fnetdata%2Fnetdata&dl=https%3A%2F%2Fmy-netdata.io%2Fgithub%2Fweb%2Fapi%2Fqueries%2Fincremental_sum%2FREADME&_u=MAC~&cid=5792dfd7-8dc4-476b-af31-da2fdb9f93d2&tid=UA-64295674-3)]()
+[![analytics](https://www.google-analytics.com/collect?v=1&aip=1&t=pageview&_s=1&ds=github&dr=https%3A%2F%2Fgithub.com%2Fnetdata%2Fnetdata&dl=https%3A%2F%2Fmy-netdata.io%2Fgithub%2Fweb%2Fapi%2Fqueries%2Fincremental_sum%2FREADME&_u=MAC~&cid=5792dfd7-8dc4-476b-af31-da2fdb9f93d2&tid=UA-64295674-3)](<>)
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diff --git a/web/api/queries/max/README.md b/web/api/queries/max/README.md
index 34dff0215..b0f6f648f 100644
--- a/web/api/queries/max/README.md
+++ b/web/api/queries/max/README.md
@@ -22,12 +22,12 @@ It can also be used in APIs and badges as `&group=max` in the URL.
Examining last 1 minute `successful` web server responses:
-- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=min&after=-60&label=min)
-- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=average&after=-60&label=average)
-- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=max&after=-60&label=max&value_color=orange)
+- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=min&after=-60&label=min)
+- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=average&after=-60&label=average)
+- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=max&after=-60&label=max&value_color=orange)
## References
-- [https://en.wikipedia.org/wiki/Sample_maximum_and_minimum](https://en.wikipedia.org/wiki/Sample_maximum_and_minimum).
+- <https://en.wikipedia.org/wiki/Sample_maximum_and_minimum>.
-[![analytics](https://www.google-analytics.com/collect?v=1&aip=1&t=pageview&_s=1&ds=github&dr=https%3A%2F%2Fgithub.com%2Fnetdata%2Fnetdata&dl=https%3A%2F%2Fmy-netdata.io%2Fgithub%2Fweb%2Fapi%2Fqueries%2Fmax%2FREADME&_u=MAC~&cid=5792dfd7-8dc4-476b-af31-da2fdb9f93d2&tid=UA-64295674-3)]()
+[![analytics](https://www.google-analytics.com/collect?v=1&aip=1&t=pageview&_s=1&ds=github&dr=https%3A%2F%2Fgithub.com%2Fnetdata%2Fnetdata&dl=https%3A%2F%2Fmy-netdata.io%2Fgithub%2Fweb%2Fapi%2Fqueries%2Fmax%2FREADME&_u=MAC~&cid=5792dfd7-8dc4-476b-af31-da2fdb9f93d2&tid=UA-64295674-3)](<>)
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diff --git a/web/api/queries/median/README.md b/web/api/queries/median/README.md
index 72f51a244..a69801249 100644
--- a/web/api/queries/median/README.md
+++ b/web/api/queries/median/README.md
@@ -27,13 +27,13 @@ It can also be used in APIs and badges as `&group=median` in the URL.
Examining last 1 minute `successful` web server responses:
-- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=min&after=-60&label=min)
-- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=average&after=-60&label=average)
-- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=median&after=-60&label=median&value_color=orange)
-- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=max&after=-60&label=max)
+- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=min&after=-60&label=min)
+- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=average&after=-60&label=average)
+- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=median&after=-60&label=median&value_color=orange)
+- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=max&after=-60&label=max)
## References
-- [https://en.wikipedia.org/wiki/Median](https://en.wikipedia.org/wiki/Median).
+- <https://en.wikipedia.org/wiki/Median>.
-[![analytics](https://www.google-analytics.com/collect?v=1&aip=1&t=pageview&_s=1&ds=github&dr=https%3A%2F%2Fgithub.com%2Fnetdata%2Fnetdata&dl=https%3A%2F%2Fmy-netdata.io%2Fgithub%2Fweb%2Fapi%2Fqueries%2Fmedian%2FREADME&_u=MAC~&cid=5792dfd7-8dc4-476b-af31-da2fdb9f93d2&tid=UA-64295674-3)]()
+[![analytics](https://www.google-analytics.com/collect?v=1&aip=1&t=pageview&_s=1&ds=github&dr=https%3A%2F%2Fgithub.com%2Fnetdata%2Fnetdata&dl=https%3A%2F%2Fmy-netdata.io%2Fgithub%2Fweb%2Fapi%2Fqueries%2Fmedian%2FREADME&_u=MAC~&cid=5792dfd7-8dc4-476b-af31-da2fdb9f93d2&tid=UA-64295674-3)](<>)
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+ @echo "it deletes files that may require special tools to rebuild."
+ -test -z "$(MAINTAINERCLEANFILES)" || rm -f $(MAINTAINERCLEANFILES)
+clean: clean-am
+
+clean-am: clean-generic mostlyclean-am
+
+distclean: distclean-am
+ -rm -f Makefile
+distclean-am: clean-am distclean-generic
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am:
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am:
+
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+ -rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-generic
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am:
+
+.MAKE: install-am install-strip
+
+.PHONY: all all-am check check-am clean clean-generic cscopelist-am \
+ ctags-am distclean distclean-generic distdir dvi dvi-am html \
+ html-am info info-am install install-am install-data \
+ install-data-am install-dvi install-dvi-am install-exec \
+ install-exec-am install-html install-html-am install-info \
+ install-info-am install-man install-pdf install-pdf-am \
+ install-ps install-ps-am install-strip installcheck \
+ installcheck-am installdirs maintainer-clean \
+ maintainer-clean-generic mostlyclean mostlyclean-generic pdf \
+ pdf-am ps ps-am tags-am uninstall uninstall-am
+
+.PRECIOUS: Makefile
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/web/api/queries/min/README.md b/web/api/queries/min/README.md
index 28f6dbf53..6276faec7 100644
--- a/web/api/queries/min/README.md
+++ b/web/api/queries/min/README.md
@@ -22,12 +22,12 @@ It can also be used in APIs and badges as `&group=min` in the URL.
Examining last 1 minute `successful` web server responses:
-- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=min&after=-60&label=min&value_color=orange)
-- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=average&after=-60&label=average)
-- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=max&after=-60&label=max)
+- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=min&after=-60&label=min&value_color=orange)
+- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=average&after=-60&label=average)
+- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=max&after=-60&label=max)
## References
-- [https://en.wikipedia.org/wiki/Sample_maximum_and_minimum](https://en.wikipedia.org/wiki/Sample_maximum_and_minimum).
+- <https://en.wikipedia.org/wiki/Sample_maximum_and_minimum>.
-[![analytics](https://www.google-analytics.com/collect?v=1&aip=1&t=pageview&_s=1&ds=github&dr=https%3A%2F%2Fgithub.com%2Fnetdata%2Fnetdata&dl=https%3A%2F%2Fmy-netdata.io%2Fgithub%2Fweb%2Fapi%2Fqueries%2Fmin%2FREADME&_u=MAC~&cid=5792dfd7-8dc4-476b-af31-da2fdb9f93d2&tid=UA-64295674-3)]()
+[![analytics](https://www.google-analytics.com/collect?v=1&aip=1&t=pageview&_s=1&ds=github&dr=https%3A%2F%2Fgithub.com%2Fnetdata%2Fnetdata&dl=https%3A%2F%2Fmy-netdata.io%2Fgithub%2Fweb%2Fapi%2Fqueries%2Fmin%2FREADME&_u=MAC~&cid=5792dfd7-8dc4-476b-af31-da2fdb9f93d2&tid=UA-64295674-3)](<>)
diff --git a/web/api/queries/query.c b/web/api/queries/query.c
index e90dc8afe..af3bcfe38 100644
--- a/web/api/queries/query.c
+++ b/web/api/queries/query.c
@@ -376,7 +376,7 @@ static inline void rrdr_done(RRDR *r, long rrdr_line) {
// ----------------------------------------------------------------------------
// fill RRDR for a single dimension
-static inline void do_dimension(
+static inline void do_dimension_variablestep(
RRDR *r
, long points_wanted
, RRDDIM *rd
@@ -384,16 +384,16 @@ static inline void do_dimension(
, time_t after_wanted
, time_t before_wanted
){
- RRDSET *st = r->st;
+// RRDSET *st = r->st;
time_t
now = after_wanted,
- dt = st->update_every,
+ dt = r->update_every,
max_date = 0,
min_date = 0;
long
- group_size = r->group,
+// group_size = r->group,
points_added = 0,
values_in_group = 0,
values_in_group_non_zero = 0,
@@ -403,102 +403,240 @@ static inline void do_dimension(
group_value_flags = RRDR_VALUE_NOTHING;
struct rrddim_query_handle handle;
- uint8_t initialized_query;
calculated_number min = r->min, max = r->max;
size_t db_points_read = 0;
+ time_t db_now = now;
+ storage_number n_curr, n_prev = SN_EMPTY_SLOT;
+ calculated_number value;
+
+ for(rd->state->query_ops.init(rd, &handle, now, before_wanted) ; points_added < points_wanted ; now += dt) {
+ // make sure we return data in the proper time range
+ if (unlikely(now > before_wanted)) {
+#ifdef NETDATA_INTERNAL_CHECKS
+ r->internal.log = "stopped, because attempted to access the db after 'wanted before'";
+#endif
+ break;
+ }
+ if (unlikely(now < after_wanted)) {
+#ifdef NETDATA_INTERNAL_CHECKS
+ r->internal.log = "skipped, because attempted to access the db before 'wanted after'";
+#endif
+ continue;
+ }
+
+ while (now >= db_now && (!rd->state->query_ops.is_finished(&handle) ||
+ does_storage_number_exist(n_prev))) {
+ value = NAN;
+ if (does_storage_number_exist(n_prev)) {
+ // use the previously read database value
+ n_curr = n_prev;
+ } else {
+ // read the value from the database
+ n_curr = rd->state->query_ops.next_metric(&handle, &db_now);
+ }
+ n_prev = SN_EMPTY_SLOT;
+ // db_now has a different value than above
+ if (likely(now >= db_now)) {
+ if (likely(does_storage_number_exist(n_curr))) {
+ value = unpack_storage_number(n_curr);
+ if (likely(value != 0.0))
+ values_in_group_non_zero++;
+
+ if (unlikely(did_storage_number_reset(n_curr)))
+ group_value_flags |= RRDR_VALUE_RESET;
+ }
+ } else {
+ // We must postpone processing the value and fill the result with gaps instead
+ if (likely(does_storage_number_exist(n_curr))) {
+ n_prev = n_curr;
+ }
+ }
+ // add this value to grouping
+ r->internal.grouping_add(r, value);
+ values_in_group++;
+ db_points_read++;
+ }
+
+ if (0 == values_in_group) {
+ // add NAN to grouping
+ r->internal.grouping_add(r, NAN);
+ }
+
+ rrdr_line = rrdr_line_init(r, now, rrdr_line);
+
+ if(unlikely(!min_date)) min_date = now;
+ max_date = now;
+
+ // find the place to store our values
+ RRDR_VALUE_FLAGS *rrdr_value_options_ptr = &r->o[rrdr_line * r->d + dim_id_in_rrdr];
+
+ // update the dimension options
+ if(likely(values_in_group_non_zero))
+ r->od[dim_id_in_rrdr] |= RRDR_DIMENSION_NONZERO;
+
+ // store the specific point options
+ *rrdr_value_options_ptr = group_value_flags;
+
+ // store the value
+ value = r->internal.grouping_flush(r, rrdr_value_options_ptr);
+ r->v[rrdr_line * r->d + dim_id_in_rrdr] = value;
+
+ if(likely(points_added || dim_id_in_rrdr)) {
+ // find the min/max across all dimensions
+
+ if(unlikely(value < min)) min = value;
+ if(unlikely(value > max)) max = value;
+
+ }
+ else {
+ // runs only when dim_id_in_rrdr == 0 && points_added == 0
+ // so, on the first point added for the query.
+ min = max = value;
+ }
+
+ points_added++;
+ values_in_group = 0;
+ group_value_flags = RRDR_VALUE_NOTHING;
+ values_in_group_non_zero = 0;
+ }
+ rd->state->query_ops.finalize(&handle);
+
+ r->internal.db_points_read += db_points_read;
+ r->internal.result_points_generated += points_added;
+
+ r->min = min;
+ r->max = max;
+ r->before = max_date;
+ r->after = min_date - (r->group - 1) * dt;
+ rrdr_done(r, rrdr_line);
+
+ #ifdef NETDATA_INTERNAL_CHECKS
+ if(unlikely(r->rows != points_added))
+ error("INTERNAL ERROR: %s.%s added %zu rows, but RRDR says I added %zu.", r->st->name, rd->name, (size_t)points_added, (size_t)r->rows);
+ #endif
+}
- for(initialized_query = 0 ; points_added < points_wanted ; now += dt) {
+static inline void do_dimension_fixedstep(
+ RRDR *r
+ , long points_wanted
+ , RRDDIM *rd
+ , long dim_id_in_rrdr
+ , time_t after_wanted
+ , time_t before_wanted
+){
+ RRDSET *st = r->st;
+
+ time_t
+ now = after_wanted,
+ dt = r->update_every / r->group, /* usually is st->update_every */
+ max_date = 0,
+ min_date = 0;
+ long
+ group_size = r->group,
+ points_added = 0,
+ values_in_group = 0,
+ values_in_group_non_zero = 0,
+ rrdr_line = -1;
+
+ RRDR_VALUE_FLAGS
+ group_value_flags = RRDR_VALUE_NOTHING;
+
+ struct rrddim_query_handle handle;
+
+ calculated_number min = r->min, max = r->max;
+ size_t db_points_read = 0;
+ time_t db_now = now;
+
+ for(rd->state->query_ops.init(rd, &handle, now, before_wanted) ; points_added < points_wanted ; now += dt) {
// make sure we return data in the proper time range
if(unlikely(now > before_wanted)) {
- #ifdef NETDATA_INTERNAL_CHECKS
+#ifdef NETDATA_INTERNAL_CHECKS
r->internal.log = "stopped, because attempted to access the db after 'wanted before'";
- #endif
+#endif
break;
}
if(unlikely(now < after_wanted)) {
- #ifdef NETDATA_INTERNAL_CHECKS
+#ifdef NETDATA_INTERNAL_CHECKS
r->internal.log = "skipped, because attempted to access the db before 'wanted after'";
- #endif
+#endif
continue;
}
-
- if (unlikely(!initialized_query)) {
- rd->state->query_ops.init(rd, &handle, now, before_wanted);
- initialized_query = 1;
- }
// read the value from the database
//storage_number n = rd->values[slot];
#ifdef NETDATA_INTERNAL_CHECKS
- if (rd->rrd_memory_mode == RRD_MEMORY_MODE_DBENGINE) {
-#ifdef ENABLE_DBENGINE
- if (now != handle.rrdeng.now)
- error("INTERNAL CHECK: Unaligned query for %s, database time: %ld, expected time: %ld", rd->id, (long)handle.rrdeng.now, (long)now);
-#endif
- } else if (rrdset_time2slot(st, now) != (long unsigned)handle.slotted.slot) {
+ if ((rd->rrd_memory_mode != RRD_MEMORY_MODE_DBENGINE) &&
+ (rrdset_time2slot(st, now) != (long unsigned)handle.slotted.slot)) {
error("INTERNAL CHECK: Unaligned query for %s, database slot: %lu, expected slot: %lu", rd->id, (long unsigned)handle.slotted.slot, rrdset_time2slot(st, now));
}
#endif
- storage_number n = rd->state->query_ops.next_metric(&handle);
- calculated_number value = NAN;
- if(likely(does_storage_number_exist(n))) {
+ db_now = now; // this is needed to set db_now in case the next_metric implementation does not set it
+ storage_number n = rd->state->query_ops.next_metric(&handle, &db_now);
+ for ( ; now <= db_now ; now += dt) {
+ calculated_number value = NAN;
+ if(likely(now >= db_now && does_storage_number_exist(n))) {
+#if defined(NETDATA_INTERNAL_CHECKS) && defined(ENABLE_DBENGINE)
+ if ((rd->rrd_memory_mode == RRD_MEMORY_MODE_DBENGINE) && (now != handle.rrdeng.now)) {
+ error("INTERNAL CHECK: Unaligned query for %s, database time: %ld, expected time: %ld", rd->id, (long)handle.rrdeng.now, (long)now);
+ }
+#endif
+ value = unpack_storage_number(n);
+ if(likely(value != 0.0))
+ values_in_group_non_zero++;
- value = unpack_storage_number(n);
- if(likely(value != 0.0))
- values_in_group_non_zero++;
+ if(unlikely(did_storage_number_reset(n)))
+ group_value_flags |= RRDR_VALUE_RESET;
- if(unlikely(did_storage_number_reset(n)))
- group_value_flags |= RRDR_VALUE_RESET;
+ }
- }
+ // add this value for grouping
+ r->internal.grouping_add(r, value);
+ values_in_group++;
+ db_points_read++;
- // add this value for grouping
- r->internal.grouping_add(r, value);
- values_in_group++;
- db_points_read++;
+ if(unlikely(values_in_group == group_size)) {
+ rrdr_line = rrdr_line_init(r, now, rrdr_line);
- if(unlikely(values_in_group == group_size)) {
- rrdr_line = rrdr_line_init(r, now, rrdr_line);
+ if(unlikely(!min_date)) min_date = now;
+ max_date = now;
- if(unlikely(!min_date)) min_date = now;
- max_date = now;
+ // find the place to store our values
+ RRDR_VALUE_FLAGS *rrdr_value_options_ptr = &r->o[rrdr_line * r->d + dim_id_in_rrdr];
- // find the place to store our values
- RRDR_VALUE_FLAGS *rrdr_value_options_ptr = &r->o[rrdr_line * r->d + dim_id_in_rrdr];
+ // update the dimension options
+ if(likely(values_in_group_non_zero))
+ r->od[dim_id_in_rrdr] |= RRDR_DIMENSION_NONZERO;
- // update the dimension options
- if(likely(values_in_group_non_zero))
- r->od[dim_id_in_rrdr] |= RRDR_DIMENSION_NONZERO;
+ // store the specific point options
+ *rrdr_value_options_ptr = group_value_flags;
- // store the specific point options
- *rrdr_value_options_ptr = group_value_flags;
+ // store the value
+ calculated_number value = r->internal.grouping_flush(r, rrdr_value_options_ptr);
+ r->v[rrdr_line * r->d + dim_id_in_rrdr] = value;
- // store the value
- calculated_number value = r->internal.grouping_flush(r, rrdr_value_options_ptr);
- r->v[rrdr_line * r->d + dim_id_in_rrdr] = value;
+ if(likely(points_added || dim_id_in_rrdr)) {
+ // find the min/max across all dimensions
- if(likely(points_added || dim_id_in_rrdr)) {
- // find the min/max across all dimensions
+ if(unlikely(value < min)) min = value;
+ if(unlikely(value > max)) max = value;
- if(unlikely(value < min)) min = value;
- if(unlikely(value > max)) max = value;
+ }
+ else {
+ // runs only when dim_id_in_rrdr == 0 && points_added == 0
+ // so, on the first point added for the query.
+ min = max = value;
+ }
+ points_added++;
+ values_in_group = 0;
+ group_value_flags = RRDR_VALUE_NOTHING;
+ values_in_group_non_zero = 0;
}
- else {
- // runs only when dim_id_in_rrdr == 0 && points_added == 0
- // so, on the first point added for the query.
- min = max = value;
- }
-
- points_added++;
- values_in_group = 0;
- group_value_flags = RRDR_VALUE_NOTHING;
- values_in_group_non_zero = 0;
}
+ now = db_now;
}
- if (likely(initialized_query))
- rd->state->query_ops.finalize(&handle);
+ rd->state->query_ops.finalize(&handle);
r->internal.db_points_read += db_points_read;
r->internal.result_points_generated += points_added;
@@ -506,13 +644,13 @@ static inline void do_dimension(
r->min = min;
r->max = max;
r->before = max_date;
- r->after = min_date - (r->group - 1) * r->st->update_every;
+ r->after = min_date - (r->group - 1) * dt;
rrdr_done(r, rrdr_line);
- #ifdef NETDATA_INTERNAL_CHECKS
+#ifdef NETDATA_INTERNAL_CHECKS
if(unlikely(r->rows != points_added))
error("INTERNAL ERROR: %s.%s added %zu rows, but RRDR says I added %zu.", r->st->name, rd->name, (size_t)points_added, (size_t)r->rows);
- #endif
+#endif
}
// ----------------------------------------------------------------------------
@@ -589,22 +727,18 @@ static void rrd2rrdr_log_request_response_metdata(RRDR *r
}
#endif // NETDATA_INTERNAL_CHECKS
-RRDR *rrd2rrdr(
- RRDSET *st
- , long points_requested
- , long long after_requested
- , long long before_requested
- , RRDR_GROUPING group_method
- , long resampling_time_requested
- , RRDR_OPTIONS options
- , const char *dimensions
+// Returns 1 if an absolute period was requested or 0 if it was a relative period
+static int rrdr_convert_before_after_to_absolute(
+ long long *after_requestedp
+ , long long *before_requestedp
+ , time_t first_entry_t
+ , time_t last_entry_t
) {
- int aligned = !(options & RRDR_OPTION_NOT_ALIGNED);
-
int absolute_period_requested = -1;
+ long long after_requested, before_requested;
- time_t first_entry_t = rrdset_first_entry_t(st);
- time_t last_entry_t = rrdset_last_entry_t(st);
+ before_requested = *before_requestedp;
+ after_requested = *after_requestedp;
if(before_requested == 0 && after_requested == 0) {
// dump the all the data
@@ -614,25 +748,15 @@ RRDR *rrd2rrdr(
}
// allow relative for before (smaller than API_RELATIVE_TIME_MAX)
- if(((before_requested < 0)?-before_requested:before_requested) <= API_RELATIVE_TIME_MAX) {
- if(abs(before_requested) % st->update_every) {
- // make sure it is multiple of st->update_every
- if(before_requested < 0) before_requested = before_requested - st->update_every - before_requested % st->update_every;
- else before_requested = before_requested + st->update_every - before_requested % st->update_every;
- }
+ if(abs(before_requested) <= API_RELATIVE_TIME_MAX) {
if(before_requested > 0) before_requested = first_entry_t + before_requested;
- else before_requested = last_entry_t + before_requested;
+ else before_requested = last_entry_t + before_requested; //last_entry_t is not really now_t
+ //TODO: fix before_requested to be relative to now_t
absolute_period_requested = 0;
}
// allow relative for after (smaller than API_RELATIVE_TIME_MAX)
- if(((after_requested < 0)?-after_requested:after_requested) <= API_RELATIVE_TIME_MAX) {
- if(after_requested == 0) after_requested = -st->update_every;
- if(abs(after_requested) % st->update_every) {
- // make sure it is multiple of st->update_every
- if(after_requested < 0) after_requested = after_requested - st->update_every - after_requested % st->update_every;
- else after_requested = after_requested + st->update_every - after_requested % st->update_every;
- }
+ if(abs(after_requested) <= API_RELATIVE_TIME_MAX) {
after_requested = before_requested + after_requested;
absolute_period_requested = 0;
}
@@ -654,9 +778,53 @@ RRDR *rrd2rrdr(
after_requested = tmp;
}
+ *before_requestedp = before_requested;
+ *after_requestedp = after_requested;
+
+ return absolute_period_requested;
+}
+
+static RRDR *rrd2rrdr_fixedstep(
+ RRDSET *st
+ , long points_requested
+ , long long after_requested
+ , long long before_requested
+ , RRDR_GROUPING group_method
+ , long resampling_time_requested
+ , RRDR_OPTIONS options
+ , const char *dimensions
+ , int update_every
+ , time_t first_entry_t
+ , time_t last_entry_t
+ , int absolute_period_requested
+) {
+ int aligned = !(options & RRDR_OPTION_NOT_ALIGNED);
+
+ if(!absolute_period_requested) {
+ if(before_requested % update_every) {
+ // make sure it is multiple of update_every
+ if(before_requested > 0)
+ before_requested = before_requested - update_every + before_requested % update_every;
+ #ifdef NETDATA_INTERNAL_CHECKS
+ else
+ error("INTERNAL ERROR: rrd2rrdr() on %s, negative or zero before_requested", st->name);
+ #endif
+ }
+ if(after_requested % update_every) {
+ // make sure it is multiple of update_every
+ if(after_requested < 0)
+ after_requested = after_requested - update_every + after_requested % update_every;
+ #ifdef NETDATA_INTERNAL_CHECKS
+ else
+ error("INTERNAL ERROR: rrd2rrdr() on %s, negative or zero after_requested", st->name);
+ #endif
+ }
+ if(after_requested == before_requested) after_requested -= update_every;
+ }
+
// the duration of the chart
time_t duration = before_requested - after_requested;
- long available_points = duration / st->update_every;
+ long available_points = duration / update_every;
if(duration <= 0 || available_points <= 0)
return rrdr_create(st, 1);
@@ -674,7 +842,7 @@ RRDR *rrd2rrdr(
// resampling_time_requested enforces a certain grouping multiple
calculated_number resampling_divisor = 1.0;
long resampling_group = 1;
- if(unlikely(resampling_time_requested > st->update_every)) {
+ if(unlikely(resampling_time_requested > update_every)) {
if (unlikely(resampling_time_requested > duration)) {
// group_time is above the available duration
@@ -684,7 +852,7 @@ RRDR *rrd2rrdr(
after_requested = before_requested - resampling_time_requested;
duration = before_requested - after_requested;
- available_points = duration / st->update_every;
+ available_points = duration / update_every;
group = available_points / points_requested;
}
@@ -696,16 +864,16 @@ RRDR *rrd2rrdr(
if(delta > resampling_time_requested / 10) {
after_requested -= resampling_time_requested - delta;
duration = before_requested - after_requested;
- available_points = duration / st->update_every;
+ available_points = duration / update_every;
group = available_points / points_requested;
}
}
// the points we should group to satisfy gtime
- resampling_group = resampling_time_requested / st->update_every;
- if(unlikely(resampling_time_requested % st->update_every)) {
+ resampling_group = resampling_time_requested / update_every;
+ if(unlikely(resampling_time_requested % update_every)) {
#ifdef NETDATA_INTERNAL_CHECKS
- info("INTERNAL CHECK: %s: requested gtime %ld secs, is not a multiple of the chart's data collection frequency %d secs", st->id, resampling_time_requested, st->update_every);
+ info("INTERNAL CHECK: %s: requested gtime %ld secs, is not a multiple of the chart's data collection frequency %d secs", st->id, resampling_time_requested, update_every);
#endif
resampling_group++;
@@ -716,7 +884,7 @@ RRDR *rrd2rrdr(
if(unlikely(group % resampling_group)) group += resampling_group - (group % resampling_group); // make sure group is multiple of resampling_group
//resampling_divisor = group / resampling_group;
- resampling_divisor = (calculated_number)(group * st->update_every) / (calculated_number)resampling_time_requested;
+ resampling_divisor = (calculated_number)(group * update_every) / (calculated_number)resampling_time_requested;
}
// now that we have group,
@@ -724,8 +892,8 @@ RRDR *rrd2rrdr(
if(aligned) {
// alignement has been requested, so align the values
- before_requested -= (before_requested % group);
- after_requested -= (after_requested % group);
+ before_requested -= before_requested % (group * update_every);
+ after_requested -= after_requested % (group * update_every);
}
// we align the request on requested_before
@@ -735,28 +903,28 @@ RRDR *rrd2rrdr(
error("INTERNAL ERROR: rrd2rrdr() on %s, before_wanted is after db max", st->name);
#endif
- before_wanted = last_entry_t - (last_entry_t % ( ((aligned)?group:1) * st->update_every ));
+ before_wanted = last_entry_t - (last_entry_t % ( ((aligned)?group:1) * update_every ));
}
//size_t before_slot = rrdset_time2slot(st, before_wanted);
// we need to estimate the number of points, for having
// an integer number of values per point
- long points_wanted = (before_wanted - after_requested) / (st->update_every * group);
+ long points_wanted = (before_wanted - after_requested) / (update_every * group);
- time_t after_wanted = before_wanted - (points_wanted * group * st->update_every) + st->update_every;
+ time_t after_wanted = before_wanted - (points_wanted * group * update_every) + update_every;
if(unlikely(after_wanted < first_entry_t)) {
// hm... we go to the past, calculate again points_wanted using all the db from before_wanted to the beginning
points_wanted = (before_wanted - first_entry_t) / group;
// recalculate after wanted with the new number of points
- after_wanted = before_wanted - (points_wanted * group * st->update_every) + st->update_every;
+ after_wanted = before_wanted - (points_wanted * group * update_every) + update_every;
if(unlikely(after_wanted < first_entry_t)) {
#ifdef NETDATA_INTERNAL_CHECKS
error("INTERNAL ERROR: rrd2rrdr() on %s, after_wanted is before db min", st->name);
#endif
- after_wanted = first_entry_t - (first_entry_t % ( ((aligned)?group:1) * st->update_every )) + ( ((aligned)?group:1) * st->update_every );
+ after_wanted = first_entry_t - (first_entry_t % ( ((aligned)?group:1) * update_every )) + ( ((aligned)?group:1) * update_every );
}
}
//size_t after_slot = rrdset_time2slot(st, after_wanted);
@@ -772,7 +940,7 @@ RRDR *rrd2rrdr(
}
// recalculate points_wanted using the final time-frame
- points_wanted = (before_wanted - after_wanted) / st->update_every / group + 1;
+ points_wanted = (before_wanted - after_wanted) / update_every / group + 1;
if(unlikely(points_wanted < 0)) {
#ifdef NETDATA_INTERNAL_CHECKS
error("INTERNAL ERROR: rrd2rrdr() on %s, points_wanted is %ld", st->name, points_wanted);
@@ -803,8 +971,8 @@ RRDR *rrd2rrdr(
error("INTERNAL CHECK: after_slot is invalid %zu, expected 0 to %ld", after_slot, st->entries - 1);
*/
- if(points_wanted > (before_wanted - after_wanted) / group / st->update_every + 1)
- error("INTERNAL CHECK: points_wanted %ld is more than points %ld", points_wanted, (before_wanted - after_wanted) / group / st->update_every + 1);
+ if(points_wanted > (before_wanted - after_wanted) / group / update_every + 1)
+ error("INTERNAL CHECK: points_wanted %ld is more than points %ld", points_wanted, (before_wanted - after_wanted) / group / update_every + 1);
if(group < resampling_group)
error("INTERNAL CHECK: group %ld is less than the desired group points %ld", group, resampling_group);
@@ -844,7 +1012,7 @@ RRDR *rrd2rrdr(
// initialize RRDR
r->group = group;
- r->update_every = (int)group * st->update_every;
+ r->update_every = (int)group * update_every;
r->before = before_wanted;
r->after = after_wanted;
r->internal.points_wanted = points_wanted;
@@ -913,7 +1081,7 @@ RRDR *rrd2rrdr(
// reset the grouping for the new dimension
r->internal.grouping_reset(r);
- do_dimension(
+ do_dimension_fixedstep(
r
, points_wanted
, rd
@@ -961,30 +1129,426 @@ RRDR *rrd2rrdr(
}
#ifdef NETDATA_INTERNAL_CHECKS
+ if (dimensions_used) {
+ if(r->internal.log)
+ rrd2rrdr_log_request_response_metdata(r, group_method, aligned, group, resampling_time_requested, resampling_group, after_wanted, after_requested, before_wanted, before_requested, points_requested, points_wanted, /*after_slot, before_slot,*/ r->internal.log);
+
+ if(r->rows != points_wanted)
+ rrd2rrdr_log_request_response_metdata(r, group_method, aligned, group, resampling_time_requested, resampling_group, after_wanted, after_requested, before_wanted, before_requested, points_requested, points_wanted, /*after_slot, before_slot,*/ "got 'points' is not wanted 'points'");
+
+ if(aligned && (r->before % group) != 0)
+ rrd2rrdr_log_request_response_metdata(r, group_method, aligned, group, resampling_time_requested, resampling_group, after_wanted, after_requested, before_wanted, before_requested, points_requested, points_wanted, /*after_slot, before_slot,*/ "'before' is not aligned but alignment is required");
+
+ // 'after' should not be aligned, since we start inside the first group
+ //if(aligned && (r->after % group) != 0)
+ // rrd2rrdr_log_request_response_metdata(r, group_method, aligned, group, resampling_time_requested, resampling_group, after_wanted, after_requested, before_wanted, before_requested, points_requested, points_wanted, after_slot, before_slot, "'after' is not aligned but alignment is required");
+
+ if(r->before != before_requested)
+ rrd2rrdr_log_request_response_metdata(r, group_method, aligned, group, resampling_time_requested, resampling_group, after_wanted, after_requested, before_wanted, before_requested, points_requested, points_wanted, /*after_slot, before_slot,*/ "chart is not aligned to requested 'before'");
+
+ if(r->before != before_wanted)
+ rrd2rrdr_log_request_response_metdata(r, group_method, aligned, group, resampling_time_requested, resampling_group, after_wanted, after_requested, before_wanted, before_requested, points_requested, points_wanted, /*after_slot, before_slot,*/ "got 'before' is not wanted 'before'");
+
+ // reported 'after' varies, depending on group
+ if(r->after != after_wanted)
+ rrd2rrdr_log_request_response_metdata(r, group_method, aligned, group, resampling_time_requested, resampling_group, after_wanted, after_requested, before_wanted, before_requested, points_requested, points_wanted, /*after_slot, before_slot,*/ "got 'after' is not wanted 'after'");
+ }
+ #endif
+
+ // free all resources used by the grouping method
+ r->internal.grouping_free(r);
+
+ // when all the dimensions are zero, we should return all of them
+ if(unlikely(options & RRDR_OPTION_NONZERO && !dimensions_nonzero)) {
+ // all the dimensions are zero
+ // mark them as NONZERO to send them all
+ for(rd = st->dimensions, c = 0 ; rd && c < dimensions_count ; rd = rd->next, c++) {
+ if(unlikely(r->od[c] & RRDR_DIMENSION_HIDDEN)) continue;
+ r->od[c] |= RRDR_DIMENSION_NONZERO;
+ }
+ }
+
+ rrdr_query_completed(r->internal.db_points_read, r->internal.result_points_generated);
+ return r;
+}
+
+#ifdef ENABLE_DBENGINE
+static RRDR *rrd2rrdr_variablestep(
+ RRDSET *st
+ , long points_requested
+ , long long after_requested
+ , long long before_requested
+ , RRDR_GROUPING group_method
+ , long resampling_time_requested
+ , RRDR_OPTIONS options
+ , const char *dimensions
+ , int update_every
+ , time_t first_entry_t
+ , time_t last_entry_t
+ , int absolute_period_requested
+ , struct rrdeng_region_info *region_info_array
+) {
+ int aligned = !(options & RRDR_OPTION_NOT_ALIGNED);
+
+ if(!absolute_period_requested) {
+ if(before_requested % update_every) {
+ // make sure it is multiple of update_every
+ if(before_requested > 0)
+ before_requested = before_requested - before_requested % update_every;
+ #ifdef NETDATA_INTERNAL_CHECKS
+ else
+ error("INTERNAL ERROR: rrd2rrdr() on %s, negative or zero before_requested", st->name);
+ #endif
+ }
+ if(after_requested % update_every) {
+ // make sure it is multiple of update_every
+ if(after_requested < 0)
+ after_requested = after_requested - after_requested % update_every;
+ #ifdef NETDATA_INTERNAL_CHECKS
+ else
+ error("INTERNAL ERROR: rrd2rrdr() on %s, negative or zero after_requested", st->name);
+ #endif
+ }
+ if(after_requested == before_requested) after_requested -= update_every;
+ }
+
+ // the duration of the chart
+ time_t duration = before_requested - after_requested;
+ long available_points = duration / update_every;
+
+ if(duration <= 0 || available_points <= 0) {
+ freez(region_info_array);
+ return rrdr_create(st, 1);
+ }
+
+ // check the number of wanted points in the result
+ if(unlikely(points_requested < 0)) points_requested = -points_requested;
+ if(unlikely(points_requested > available_points)) points_requested = available_points;
+ if(unlikely(points_requested == 0)) points_requested = available_points;
+
+ // calculate the desired grouping of source data points
+ long group = available_points / points_requested;
+ if(unlikely(group <= 0)) group = 1;
+ if(unlikely(available_points % points_requested > points_requested / 2)) group++; // rounding to the closest integer
+
+ // resampling_time_requested enforces a certain grouping multiple
+ calculated_number resampling_divisor = 1.0;
+ long resampling_group = 1;
+ if(unlikely(resampling_time_requested > update_every)) {
+ if (unlikely(resampling_time_requested > duration)) {
+ // group_time is above the available duration
+
+ #ifdef NETDATA_INTERNAL_CHECKS
+ info("INTERNAL CHECK: %s: requested gtime %ld secs, is greater than the desired duration %ld secs", st->id, resampling_time_requested, duration);
+ #endif
+
+ after_requested = before_requested - resampling_time_requested;
+ duration = before_requested - after_requested;
+ available_points = duration / update_every;
+ group = available_points / points_requested;
+ }
+
+ // if the duration is not aligned to resampling time
+ // extend the duration to the past, to avoid a gap at the chart
+ // only when the missing duration is above 1/10th of a point
+ if(duration % resampling_time_requested) {
+ time_t delta = duration % resampling_time_requested;
+ if(delta > resampling_time_requested / 10) {
+ after_requested -= resampling_time_requested - delta;
+ duration = before_requested - after_requested;
+ available_points = duration / update_every;
+ group = available_points / points_requested;
+ }
+ }
+
+ // the points we should group to satisfy gtime
+ resampling_group = resampling_time_requested / update_every;
+ if(unlikely(resampling_time_requested % update_every)) {
+ #ifdef NETDATA_INTERNAL_CHECKS
+ info("INTERNAL CHECK: %s: requested gtime %ld secs, is not a multiple of the chart's data collection frequency %d secs", st->id, resampling_time_requested, update_every);
+ #endif
+
+ resampling_group++;
+ }
+
+ // adapt group according to resampling_group
+ if(unlikely(group < resampling_group)) group = resampling_group; // do not allow grouping below the desired one
+ if(unlikely(group % resampling_group)) group += resampling_group - (group % resampling_group); // make sure group is multiple of resampling_group
+
+ //resampling_divisor = group / resampling_group;
+ resampling_divisor = (calculated_number)(group * update_every) / (calculated_number)resampling_time_requested;
+ }
+
+ // now that we have group,
+ // align the requested timeframe to fit it.
+
+ if(aligned) {
+ // alignement has been requested, so align the values
+ before_requested -= before_requested % (group * update_every);
+ after_requested -= after_requested % (group * update_every);
+ }
+
+ // we align the request on requested_before
+ time_t before_wanted = before_requested;
+ if(likely(before_wanted > last_entry_t)) {
+ #ifdef NETDATA_INTERNAL_CHECKS
+ error("INTERNAL ERROR: rrd2rrdr() on %s, before_wanted is after db max", st->name);
+ #endif
+
+ before_wanted = last_entry_t - (last_entry_t % ( ((aligned)?group:1) * update_every ));
+ }
+ //size_t before_slot = rrdset_time2slot(st, before_wanted);
+
+ // we need to estimate the number of points, for having
+ // an integer number of values per point
+ long points_wanted = (before_wanted - after_requested) / (update_every * group);
+
+ time_t after_wanted = before_wanted - (points_wanted * group * update_every) + update_every;
+ if(unlikely(after_wanted < first_entry_t)) {
+ // hm... we go to the past, calculate again points_wanted using all the db from before_wanted to the beginning
+ points_wanted = (before_wanted - first_entry_t) / group;
+
+ // recalculate after wanted with the new number of points
+ after_wanted = before_wanted - (points_wanted * group * update_every) + update_every;
+
+ if(unlikely(after_wanted < first_entry_t)) {
+ #ifdef NETDATA_INTERNAL_CHECKS
+ error("INTERNAL ERROR: rrd2rrdr() on %s, after_wanted is before db min", st->name);
+ #endif
+
+ after_wanted = first_entry_t - (first_entry_t % ( ((aligned)?group:1) * update_every )) + ( ((aligned)?group:1) * update_every );
+ }
+ }
+ //size_t after_slot = rrdset_time2slot(st, after_wanted);
+
+ // check if they are reversed
+ if(unlikely(after_wanted > before_wanted)) {
+ #ifdef NETDATA_INTERNAL_CHECKS
+ error("INTERNAL ERROR: rrd2rrdr() on %s, reversed wanted after/before", st->name);
+ #endif
+ time_t tmp = before_wanted;
+ before_wanted = after_wanted;
+ after_wanted = tmp;
+ }
- if(r->internal.log)
- rrd2rrdr_log_request_response_metdata(r, group_method, aligned, group, resampling_time_requested, resampling_group, after_wanted, after_requested, before_wanted, before_requested, points_requested, points_wanted, /*after_slot, before_slot,*/ r->internal.log);
+ // recalculate points_wanted using the final time-frame
+ points_wanted = (before_wanted - after_wanted) / update_every / group + 1;
+ if(unlikely(points_wanted < 0)) {
+ #ifdef NETDATA_INTERNAL_CHECKS
+ error("INTERNAL ERROR: rrd2rrdr() on %s, points_wanted is %ld", st->name, points_wanted);
+ #endif
+ points_wanted = 0;
+ }
+
+#ifdef NETDATA_INTERNAL_CHECKS
+ duration = before_wanted - after_wanted;
- if(r->rows != points_wanted)
- rrd2rrdr_log_request_response_metdata(r, group_method, aligned, group, resampling_time_requested, resampling_group, after_wanted, after_requested, before_wanted, before_requested, points_requested, points_wanted, /*after_slot, before_slot,*/ "got 'points' is not wanted 'points'");
+ if(after_wanted < first_entry_t)
+ error("INTERNAL CHECK: after_wanted %u is too small, minimum %u", (uint32_t)after_wanted, (uint32_t)first_entry_t);
- if(aligned && (r->before % group) != 0)
- rrd2rrdr_log_request_response_metdata(r, group_method, aligned, group, resampling_time_requested, resampling_group, after_wanted, after_requested, before_wanted, before_requested, points_requested, points_wanted, /*after_slot, before_slot,*/ "'before' is not aligned but alignment is required");
+ if(after_wanted > last_entry_t)
+ error("INTERNAL CHECK: after_wanted %u is too big, maximum %u", (uint32_t)after_wanted, (uint32_t)last_entry_t);
- // 'after' should not be aligned, since we start inside the first group
- //if(aligned && (r->after % group) != 0)
- // rrd2rrdr_log_request_response_metdata(r, group_method, aligned, group, resampling_time_requested, resampling_group, after_wanted, after_requested, before_wanted, before_requested, points_requested, points_wanted, after_slot, before_slot, "'after' is not aligned but alignment is required");
+ if(before_wanted < first_entry_t)
+ error("INTERNAL CHECK: before_wanted %u is too small, minimum %u", (uint32_t)before_wanted, (uint32_t)first_entry_t);
- if(r->before != before_requested)
- rrd2rrdr_log_request_response_metdata(r, group_method, aligned, group, resampling_time_requested, resampling_group, after_wanted, after_requested, before_wanted, before_requested, points_requested, points_wanted, /*after_slot, before_slot,*/ "chart is not aligned to requested 'before'");
+ if(before_wanted > last_entry_t)
+ error("INTERNAL CHECK: before_wanted %u is too big, maximum %u", (uint32_t)before_wanted, (uint32_t)last_entry_t);
- if(r->before != before_wanted)
- rrd2rrdr_log_request_response_metdata(r, group_method, aligned, group, resampling_time_requested, resampling_group, after_wanted, after_requested, before_wanted, before_requested, points_requested, points_wanted, /*after_slot, before_slot,*/ "got 'before' is not wanted 'before'");
+/*
+ if(before_slot >= (size_t)st->entries)
+ error("INTERNAL CHECK: before_slot is invalid %zu, expected 0 to %ld", before_slot, st->entries - 1);
- // reported 'after' varies, depending on group
- if(r->after != after_wanted)
- rrd2rrdr_log_request_response_metdata(r, group_method, aligned, group, resampling_time_requested, resampling_group, after_wanted, after_requested, before_wanted, before_requested, points_requested, points_wanted, /*after_slot, before_slot,*/ "got 'after' is not wanted 'after'");
+ if(after_slot >= (size_t)st->entries)
+ error("INTERNAL CHECK: after_slot is invalid %zu, expected 0 to %ld", after_slot, st->entries - 1);
+*/
+ if(points_wanted > (before_wanted - after_wanted) / group / update_every + 1)
+ error("INTERNAL CHECK: points_wanted %ld is more than points %ld", points_wanted, (before_wanted - after_wanted) / group / update_every + 1);
+
+ if(group < resampling_group)
+ error("INTERNAL CHECK: group %ld is less than the desired group points %ld", group, resampling_group);
+
+ if(group > resampling_group && group % resampling_group)
+ error("INTERNAL CHECK: group %ld is not a multiple of the desired group points %ld", group, resampling_group);
+#endif
+
+ // -------------------------------------------------------------------------
+ // initialize our result set
+ // this also locks the chart for us
+
+ RRDR *r = rrdr_create(st, points_wanted);
+ if(unlikely(!r)) {
+ #ifdef NETDATA_INTERNAL_CHECKS
+ error("INTERNAL CHECK: Cannot create RRDR for %s, after=%u, before=%u, duration=%u, points=%ld", st->id, (uint32_t)after_wanted, (uint32_t)before_wanted, (uint32_t)duration, points_wanted);
+ #endif
+ freez(region_info_array);
+ return NULL;
+ }
+
+ if(unlikely(!r->d || !points_wanted)) {
+ #ifdef NETDATA_INTERNAL_CHECKS
+ error("INTERNAL CHECK: Returning empty RRDR (no dimensions in RRDSET) for %s, after=%u, before=%u, duration=%zu, points=%ld", st->id, (uint32_t)after_wanted, (uint32_t)before_wanted, (size_t)duration, points_wanted);
+ #endif
+ freez(region_info_array);
+ return r;
+ }
+
+ r->result_options |= RRDR_RESULT_OPTION_VARIABLE_STEP;
+ if(unlikely(absolute_period_requested == 1))
+ r->result_options |= RRDR_RESULT_OPTION_ABSOLUTE;
+ else
+ r->result_options |= RRDR_RESULT_OPTION_RELATIVE;
+
+ // find how many dimensions we have
+ long dimensions_count = r->d;
+
+ // -------------------------------------------------------------------------
+ // initialize RRDR
+
+ r->group = group;
+ r->update_every = (int)group * update_every;
+ r->before = before_wanted;
+ r->after = after_wanted;
+ r->internal.points_wanted = points_wanted;
+ r->internal.resampling_group = resampling_group;
+ r->internal.resampling_divisor = resampling_divisor;
+
+
+ // -------------------------------------------------------------------------
+ // assign the processor functions
+
+ {
+ int i, found = 0;
+ for(i = 0; !found && api_v1_data_groups[i].name ;i++) {
+ if(api_v1_data_groups[i].value == group_method) {
+ r->internal.grouping_create= api_v1_data_groups[i].create;
+ r->internal.grouping_reset = api_v1_data_groups[i].reset;
+ r->internal.grouping_free = api_v1_data_groups[i].free;
+ r->internal.grouping_add = api_v1_data_groups[i].add;
+ r->internal.grouping_flush = api_v1_data_groups[i].flush;
+ found = 1;
+ }
+ }
+ if(!found) {
+ errno = 0;
+ #ifdef NETDATA_INTERNAL_CHECKS
+ error("INTERNAL ERROR: grouping method %u not found for chart '%s'. Using 'average'", (unsigned int)group_method, r->st->name);
+ #endif
+ r->internal.grouping_create= grouping_create_average;
+ r->internal.grouping_reset = grouping_reset_average;
+ r->internal.grouping_free = grouping_free_average;
+ r->internal.grouping_add = grouping_add_average;
+ r->internal.grouping_flush = grouping_flush_average;
+ }
+ }
+
+ // allocate any memory required by the grouping method
+ r->internal.grouping_data = r->internal.grouping_create(r);
+
+
+ // -------------------------------------------------------------------------
+ // disable the not-wanted dimensions
+
+ rrdset_check_rdlock(st);
+
+ if(dimensions)
+ rrdr_disable_not_selected_dimensions(r, options, dimensions);
+
+
+ // -------------------------------------------------------------------------
+ // do the work for each dimension
+
+ time_t max_after = 0, min_before = 0;
+ long max_rows = 0;
+
+ RRDDIM *rd;
+ long c, dimensions_used = 0, dimensions_nonzero = 0;
+ for(rd = st->dimensions, c = 0 ; rd && c < dimensions_count ; rd = rd->next, c++) {
+
+ // if we need a percentage, we need to calculate all dimensions
+ if(unlikely(!(options & RRDR_OPTION_PERCENTAGE) && (r->od[c] & RRDR_DIMENSION_HIDDEN))) {
+ if(unlikely(r->od[c] & RRDR_DIMENSION_SELECTED)) r->od[c] &= ~RRDR_DIMENSION_SELECTED;
+ continue;
+ }
+ r->od[c] |= RRDR_DIMENSION_SELECTED;
+
+ // reset the grouping for the new dimension
+ r->internal.grouping_reset(r);
+
+ do_dimension_variablestep(
+ r
+ , points_wanted
+ , rd
+ , c
+ , after_wanted
+ , before_wanted
+ );
+
+ if(r->od[c] & RRDR_DIMENSION_NONZERO)
+ dimensions_nonzero++;
+
+ // verify all dimensions are aligned
+ if(unlikely(!dimensions_used)) {
+ min_before = r->before;
+ max_after = r->after;
+ max_rows = r->rows;
+ }
+ else {
+ if(r->after != max_after) {
+ #ifdef NETDATA_INTERNAL_CHECKS
+ error("INTERNAL ERROR: 'after' mismatch between dimensions for chart '%s': max is %zu, dimension '%s' has %zu",
+ st->name, (size_t)max_after, rd->name, (size_t)r->after);
+ #endif
+ r->after = (r->after > max_after) ? r->after : max_after;
+ }
+
+ if(r->before != min_before) {
+ #ifdef NETDATA_INTERNAL_CHECKS
+ error("INTERNAL ERROR: 'before' mismatch between dimensions for chart '%s': max is %zu, dimension '%s' has %zu",
+ st->name, (size_t)min_before, rd->name, (size_t)r->before);
+ #endif
+ r->before = (r->before < min_before) ? r->before : min_before;
+ }
+
+ if(r->rows != max_rows) {
+ #ifdef NETDATA_INTERNAL_CHECKS
+ error("INTERNAL ERROR: 'rows' mismatch between dimensions for chart '%s': max is %zu, dimension '%s' has %zu",
+ st->name, (size_t)max_rows, rd->name, (size_t)r->rows);
+ #endif
+ r->rows = (r->rows > max_rows) ? r->rows : max_rows;
+ }
+ }
+
+ dimensions_used++;
+ }
+
+ #ifdef NETDATA_INTERNAL_CHECKS
+
+ if (dimensions_used) {
+ if(r->internal.log)
+ rrd2rrdr_log_request_response_metdata(r, group_method, aligned, group, resampling_time_requested, resampling_group, after_wanted, after_requested, before_wanted, before_requested, points_requested, points_wanted, /*after_slot, before_slot,*/ r->internal.log);
+
+ if(r->rows != points_wanted)
+ rrd2rrdr_log_request_response_metdata(r, group_method, aligned, group, resampling_time_requested, resampling_group, after_wanted, after_requested, before_wanted, before_requested, points_requested, points_wanted, /*after_slot, before_slot,*/ "got 'points' is not wanted 'points'");
+
+ if(aligned && (r->before % group) != 0)
+ rrd2rrdr_log_request_response_metdata(r, group_method, aligned, group, resampling_time_requested, resampling_group, after_wanted, after_requested, before_wanted, before_requested, points_requested, points_wanted, /*after_slot, before_slot,*/ "'before' is not aligned but alignment is required");
+
+ // 'after' should not be aligned, since we start inside the first group
+ //if(aligned && (r->after % group) != 0)
+ // rrd2rrdr_log_request_response_metdata(r, group_method, aligned, group, resampling_time_requested, resampling_group, after_wanted, after_requested, before_wanted, before_requested, points_requested, points_wanted, after_slot, before_slot, "'after' is not aligned but alignment is required");
+
+ if(r->before != before_requested)
+ rrd2rrdr_log_request_response_metdata(r, group_method, aligned, group, resampling_time_requested, resampling_group, after_wanted, after_requested, before_wanted, before_requested, points_requested, points_wanted, /*after_slot, before_slot,*/ "chart is not aligned to requested 'before'");
+
+ if(r->before != before_wanted)
+ rrd2rrdr_log_request_response_metdata(r, group_method, aligned, group, resampling_time_requested, resampling_group, after_wanted, after_requested, before_wanted, before_requested, points_requested, points_wanted, /*after_slot, before_slot,*/ "got 'before' is not wanted 'before'");
+
+ // reported 'after' varies, depending on group
+ if(r->after != after_wanted)
+ rrd2rrdr_log_request_response_metdata(r, group_method, aligned, group, resampling_time_requested, resampling_group, after_wanted, after_requested, before_wanted, before_requested, points_requested, points_wanted, /*after_slot, before_slot,*/ "got 'after' is not wanted 'after'");
+ }
#endif
// free all resources used by the grouping method
@@ -1001,5 +1565,57 @@ RRDR *rrd2rrdr(
}
rrdr_query_completed(r->internal.db_points_read, r->internal.result_points_generated);
+ freez(region_info_array);
return r;
}
+#endif //#ifdef ENABLE_DBENGINE
+
+RRDR *rrd2rrdr(
+ RRDSET *st
+ , long points_requested
+ , long long after_requested
+ , long long before_requested
+ , RRDR_GROUPING group_method
+ , long resampling_time_requested
+ , RRDR_OPTIONS options
+ , const char *dimensions
+) {
+ int rrd_update_every;
+ int absolute_period_requested;
+ time_t first_entry_t = rrdset_first_entry_t(st);
+ time_t last_entry_t = rrdset_last_entry_t(st);
+
+ absolute_period_requested = rrdr_convert_before_after_to_absolute(&after_requested, &before_requested,
+ first_entry_t, last_entry_t);
+
+#ifdef ENABLE_DBENGINE
+ if ((st->rrd_memory_mode == RRD_MEMORY_MODE_DBENGINE)) {
+ struct rrdeng_region_info *region_info_array;
+ unsigned regions, max_interval;
+
+ /* This call takes the chart read-lock */
+ regions = rrdeng_variable_step_boundaries(st, after_requested, before_requested,
+ &region_info_array, &max_interval);
+ if (1 == regions) {
+ if (region_info_array)
+ rrd_update_every = region_info_array[0].update_every;
+ else
+ rrd_update_every = st->update_every;
+ if (region_info_array)
+ freez(region_info_array);
+ return rrd2rrdr_fixedstep(st, points_requested, after_requested, before_requested, group_method,
+ resampling_time_requested, options, dimensions, rrd_update_every,
+ first_entry_t, last_entry_t, absolute_period_requested);
+ } else {
+ rrd_update_every = (uint16_t)max_interval;
+ return rrd2rrdr_variablestep(st, points_requested, after_requested, before_requested, group_method,
+ resampling_time_requested, options, dimensions, rrd_update_every,
+ first_entry_t, last_entry_t, absolute_period_requested, region_info_array);
+ }
+ }
+#endif
+ rrd_update_every = st->update_every;
+ return rrd2rrdr_fixedstep(st, points_requested, after_requested, before_requested, group_method,
+ resampling_time_requested, options, dimensions,
+ rrd_update_every, first_entry_t, last_entry_t, absolute_period_requested);
+} \ No newline at end of file
diff --git a/web/api/queries/rrdr.h b/web/api/queries/rrdr.h
index 4f6350389..6a031adf8 100644
--- a/web/api/queries/rrdr.h
+++ b/web/api/queries/rrdr.h
@@ -6,7 +6,7 @@
#include "libnetdata/libnetdata.h"
typedef enum rrdr_options {
- RRDR_OPTION_NONZERO = 0x00000001, // don't output dimensions will just zero values
+ RRDR_OPTION_NONZERO = 0x00000001, // don't output dimensions with just zero values
RRDR_OPTION_REVERSED = 0x00000002, // output the rows in reverse order (oldest to newest)
RRDR_OPTION_ABSOLUTE = 0x00000004, // values positive, for DATASOURCE_SSV before summing
RRDR_OPTION_MIN2MAX = 0x00000008, // when adding dimensions, use max - min, instead of sum
@@ -18,10 +18,11 @@ typedef enum rrdr_options {
RRDR_OPTION_JSON_WRAP = 0x00000200, // wrap the response in a JSON header with info about the result
RRDR_OPTION_LABEL_QUOTES = 0x00000400, // in CSV output, wrap header labels in double quotes
RRDR_OPTION_PERCENTAGE = 0x00000800, // give values as percentage of total
- RRDR_OPTION_NOT_ALIGNED = 0x00001000, // do not align charts for persistant timeframes
+ RRDR_OPTION_NOT_ALIGNED = 0x00001000, // do not align charts for persistent timeframes
RRDR_OPTION_DISPLAY_ABS = 0x00002000, // for badges, display the absolute value, but calculate colors with sign
RRDR_OPTION_MATCH_IDS = 0x00004000, // when filtering dimensions, match only IDs
RRDR_OPTION_MATCH_NAMES = 0x00008000, // when filtering dimensions, match only names
+ RRDR_OPTION_CUSTOM_VARS = 0x00010000, // when wraping response in a JSON, return custom variables in response
} RRDR_OPTIONS;
typedef enum rrdr_value_flag {
@@ -39,8 +40,11 @@ typedef enum rrdr_dimension_flag {
// RRDR result options
typedef enum rrdr_result_flags {
- RRDR_RESULT_OPTION_ABSOLUTE = 0x00000001, // the query uses absolute time-frames (can be cached by browsers and proxies)
- RRDR_RESULT_OPTION_RELATIVE = 0x00000002, // the query uses relative time-frames (should not to be cached by browsers and proxies)
+ RRDR_RESULT_OPTION_ABSOLUTE = 0x00000001, // the query uses absolute time-frames
+ // (can be cached by browsers and proxies)
+ RRDR_RESULT_OPTION_RELATIVE = 0x00000002, // the query uses relative time-frames
+ // (should not to be cached by browsers and proxies)
+ RRDR_RESULT_OPTION_VARIABLE_STEP = 0x00000004, // the query uses variable-step time-frames
} RRDR_RESULT_FLAGS;
typedef struct rrdresult {
diff --git a/web/api/queries/ses/Makefile.in b/web/api/queries/ses/Makefile.in
new file mode 100644
index 000000000..7d425cdc2
--- /dev/null
+++ b/web/api/queries/ses/Makefile.in
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diff --git a/web/api/queries/ses/README.md b/web/api/queries/ses/README.md
index 16b153a42..5f21c8494 100644
--- a/web/api/queries/ses/README.md
+++ b/web/api/queries/ses/README.md
@@ -43,14 +43,14 @@ It can also be used in APIs and badges as `&group=ses` in the URL.
Examining last 1 minute `successful` web server responses:
-- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=min&after=-60&label=min)
-- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=average&after=-60&label=average&value_color=yellow)
-- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=ses&after=-60&label=single+exponential+smoothing&value_color=orange)
-- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=max&after=-60&label=max)
+- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=min&after=-60&label=min)
+- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=average&after=-60&label=average&value_color=yellow)
+- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=ses&after=-60&label=single+exponential+smoothing&value_color=orange)
+- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=max&after=-60&label=max)
## References
-- [https://en.wikipedia.org/wiki/Moving_average#exponential-moving-average](https://en.wikipedia.org/wiki/Moving_average#exponential-moving-average)
-- [https://en.wikipedia.org/wiki/Exponential_smoothing](https://en.wikipedia.org/wiki/Exponential_smoothing).
+- <https://en.wikipedia.org/wiki/Moving_average#exponential-moving-average>
+- <https://en.wikipedia.org/wiki/Exponential_smoothing>.
-[![analytics](https://www.google-analytics.com/collect?v=1&aip=1&t=pageview&_s=1&ds=github&dr=https%3A%2F%2Fgithub.com%2Fnetdata%2Fnetdata&dl=https%3A%2F%2Fmy-netdata.io%2Fgithub%2Fweb%2Fapi%2Fqueries%2Fses%2FREADME&_u=MAC~&cid=5792dfd7-8dc4-476b-af31-da2fdb9f93d2&tid=UA-64295674-3)]()
+[![analytics](https://www.google-analytics.com/collect?v=1&aip=1&t=pageview&_s=1&ds=github&dr=https%3A%2F%2Fgithub.com%2Fnetdata%2Fnetdata&dl=https%3A%2F%2Fmy-netdata.io%2Fgithub%2Fweb%2Fapi%2Fqueries%2Fses%2FREADME&_u=MAC~&cid=5792dfd7-8dc4-476b-af31-da2fdb9f93d2&tid=UA-64295674-3)](<>)
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diff --git a/web/api/queries/stddev/README.md b/web/api/queries/stddev/README.md
index 2ef5a2e3b..006041541 100644
--- a/web/api/queries/stddev/README.md
+++ b/web/api/queries/stddev/README.md
@@ -1,4 +1,3 @@
-
# standard deviation (`stddev`)
The standard deviation is a measure that is used to quantify the amount of variation or dispersion
@@ -28,14 +27,14 @@ It can also be used in APIs and badges as `&group=stddev` in the URL.
Examining last 1 minute `successful` web server responses:
-- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&dimensions=success&group=min&after=-60&label=min)
-- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&dimensions=success&group=average&after=-60&label=average&value_color=yellow)
-- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&dimensions=success&group=stddev&after=-60&label=standard+deviation&value_color=orange)
-- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&dimensions=success&group=max&after=-60&label=max)
+- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&dimensions=success&group=min&after=-60&label=min)
+- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&dimensions=success&group=average&after=-60&label=average&value_color=yellow)
+- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&dimensions=success&group=stddev&after=-60&label=standard+deviation&value_color=orange)
+- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&dimensions=success&group=max&after=-60&label=max)
## References
-Check [https://en.wikipedia.org/wiki/Standard_deviation](https://en.wikipedia.org/wiki/Standard_deviation).
+Check <https://en.wikipedia.org/wiki/Standard_deviation>.
---
@@ -77,13 +76,13 @@ It can also be used in APIs and badges as `&group=cv` in the URL.
Examining last 1 minute `successful` web server responses:
-- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&dimensions=success&group=min&after=-60&label=min)
-- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&dimensions=success&group=average&after=-60&label=average&value_color=yellow)
-- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&dimensions=success&group=cv&after=-60&label=coefficient+of+variation&value_color=orange&units=pcent)
-- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&dimensions=success&group=max&after=-60&label=max)
+- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&dimensions=success&group=min&after=-60&label=min)
+- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&dimensions=success&group=average&after=-60&label=average&value_color=yellow)
+- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&dimensions=success&group=cv&after=-60&label=coefficient+of+variation&value_color=orange&units=pcent)
+- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&dimensions=success&group=max&after=-60&label=max)
## References
-Check [https://en.wikipedia.org/wiki/Coefficient_of_variation](https://en.wikipedia.org/wiki/Coefficient_of_variation).
+Check <https://en.wikipedia.org/wiki/Coefficient_of_variation>.
-[![analytics](https://www.google-analytics.com/collect?v=1&aip=1&t=pageview&_s=1&ds=github&dr=https%3A%2F%2Fgithub.com%2Fnetdata%2Fnetdata&dl=https%3A%2F%2Fmy-netdata.io%2Fgithub%2Fweb%2Fapi%2Fqueries%2Fstddev%2FREADME&_u=MAC~&cid=5792dfd7-8dc4-476b-af31-da2fdb9f93d2&tid=UA-64295674-3)]()
+[![analytics](https://www.google-analytics.com/collect?v=1&aip=1&t=pageview&_s=1&ds=github&dr=https%3A%2F%2Fgithub.com%2Fnetdata%2Fnetdata&dl=https%3A%2F%2Fmy-netdata.io%2Fgithub%2Fweb%2Fapi%2Fqueries%2Fstddev%2FREADME&_u=MAC~&cid=5792dfd7-8dc4-476b-af31-da2fdb9f93d2&tid=UA-64295674-3)](<>)
diff --git a/web/api/queries/sum/Makefile.in b/web/api/queries/sum/Makefile.in
new file mode 100644
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+top_build_prefix = @top_build_prefix@
+top_builddir = @top_builddir@
+top_srcdir = @top_srcdir@
+varlibdir = @varlibdir@
+webdir = @webdir@
+AUTOMAKE_OPTIONS = subdir-objects
+MAINTAINERCLEANFILES = $(srcdir)/Makefile.in
+dist_noinst_DATA = \
+ README.md \
+ $(NULL)
+
+all: all-am
+
+.SUFFIXES:
+$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am $(am__configure_deps)
+ @for dep in $?; do \
+ case '$(am__configure_deps)' in \
+ *$$dep*) \
+ ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+ && { if test -f $@; then exit 0; else break; fi; }; \
+ exit 1;; \
+ esac; \
+ done; \
+ echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu web/api/queries/sum/Makefile'; \
+ $(am__cd) $(top_srcdir) && \
+ $(AUTOMAKE) --gnu web/api/queries/sum/Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+ @case '$?' in \
+ *config.status*) \
+ cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+ *) \
+ echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
+ cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
+ esac;
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+ cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure: @MAINTAINER_MODE_TRUE@ $(am__configure_deps)
+ cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4): @MAINTAINER_MODE_TRUE@ $(am__aclocal_m4_deps)
+ cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
+tags TAGS:
+
+ctags CTAGS:
+
+cscope cscopelist:
+
+
+distdir: $(DISTFILES)
+ @srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+ topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+ list='$(DISTFILES)'; \
+ dist_files=`for file in $$list; do echo $$file; done | \
+ sed -e "s|^$$srcdirstrip/||;t" \
+ -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+ case $$dist_files in \
+ */*) $(MKDIR_P) `echo "$$dist_files" | \
+ sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+ sort -u` ;; \
+ esac; \
+ for file in $$dist_files; do \
+ if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+ if test -d $$d/$$file; then \
+ dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+ if test -d "$(distdir)/$$file"; then \
+ find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+ fi; \
+ if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+ cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+ find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+ fi; \
+ cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+ else \
+ test -f "$(distdir)/$$file" \
+ || cp -p $$d/$$file "$(distdir)/$$file" \
+ || exit 1; \
+ fi; \
+ done
+check-am: all-am
+check: check-am
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+ install; \
+ else \
+ $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+ install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+ "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+ fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+ -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+ -test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+ @echo "This command is intended for maintainers to use"
+ @echo "it deletes files that may require special tools to rebuild."
+ -test -z "$(MAINTAINERCLEANFILES)" || rm -f $(MAINTAINERCLEANFILES)
+clean: clean-am
+
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+ -rm -f Makefile
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+ installcheck-am installdirs maintainer-clean \
+ maintainer-clean-generic mostlyclean mostlyclean-generic pdf \
+ pdf-am ps ps-am tags-am uninstall uninstall-am
+
+.PRECIOUS: Makefile
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/web/api/queries/sum/README.md b/web/api/queries/sum/README.md
index a74ffff69..a7028ca66 100644
--- a/web/api/queries/sum/README.md
+++ b/web/api/queries/sum/README.md
@@ -24,13 +24,13 @@ It can also be used in APIs and badges as `&group=sum` in the URL.
Examining last 1 minute `successful` web server responses:
-- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=min&after=-60&label=min)
-- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=average&after=-60&label=average)
-- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=max&after=-60&label=max)
-- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=sum&after=-60&label=1m+sum&value_color=orange&units=requests)
+- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=min&after=-60&label=min)
+- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=average&after=-60&label=average)
+- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=max&after=-60&label=max)
+- ![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.response_statuses&options=unaligned&dimensions=success&group=sum&after=-60&label=1m+sum&value_color=orange&units=requests)
## References
-- [https://en.wikipedia.org/wiki/Summation](https://en.wikipedia.org/wiki/Summation).
+- <https://en.wikipedia.org/wiki/Summation>.
-[![analytics](https://www.google-analytics.com/collect?v=1&aip=1&t=pageview&_s=1&ds=github&dr=https%3A%2F%2Fgithub.com%2Fnetdata%2Fnetdata&dl=https%3A%2F%2Fmy-netdata.io%2Fgithub%2Fweb%2Fapi%2Fqueries%2Fsum%2FREADME&_u=MAC~&cid=5792dfd7-8dc4-476b-af31-da2fdb9f93d2&tid=UA-64295674-3)]()
+[![analytics](https://www.google-analytics.com/collect?v=1&aip=1&t=pageview&_s=1&ds=github&dr=https%3A%2F%2Fgithub.com%2Fnetdata%2Fnetdata&dl=https%3A%2F%2Fmy-netdata.io%2Fgithub%2Fweb%2Fapi%2Fqueries%2Fsum%2FREADME&_u=MAC~&cid=5792dfd7-8dc4-476b-af31-da2fdb9f93d2&tid=UA-64295674-3)](<>)
diff --git a/web/api/web_api_v1.c b/web/api/web_api_v1.c
index 2273224bb..f34f02009 100644
--- a/web/api/web_api_v1.c
+++ b/web/api/web_api_v1.c
@@ -32,6 +32,7 @@ static struct {
, {"match-ids" , 0 , RRDR_OPTION_MATCH_IDS}
, {"match_names" , 0 , RRDR_OPTION_MATCH_NAMES}
, {"match-names" , 0 , RRDR_OPTION_MATCH_NAMES}
+ , {"showcustomvars" , 0 , RRDR_OPTION_CUSTOM_VARS}
, { NULL, 0, 0}
};
@@ -212,6 +213,50 @@ inline int web_client_api_request_v1_alarms(RRDHOST *host, struct web_client *w,
return 200;
}
+inline int web_client_api_request_v1_alarm_count(RRDHOST *host, struct web_client *w, char *url) {
+ RRDCALC_STATUS status = RRDCALC_STATUS_RAISED;
+ BUFFER *contexts = NULL;
+
+ buffer_flush(w->response.data);
+ buffer_sprintf(w->response.data, "[");
+
+ while(url) {
+ char *value = mystrsep(&url, "&");
+ if(!value || !*value) continue;
+
+ char *name = mystrsep(&value, "=");
+ if(!name || !*name) continue;
+ if(!value || !*value) continue;
+
+ debug(D_WEB_CLIENT, "%llu: API v1 alarm_count query param '%s' with value '%s'", w->id, name, value);
+
+ char* p = value;
+ if(!strcmp(name, "status")) {
+ while ((*p = toupper(*p))) p++;
+ if (!strcmp("CRITICAL", value)) status = RRDCALC_STATUS_CRITICAL;
+ else if (!strcmp("WARNING", value)) status = RRDCALC_STATUS_WARNING;
+ else if (!strcmp("UNINITIALIZED", value)) status = RRDCALC_STATUS_UNINITIALIZED;
+ else if (!strcmp("UNDEFINED", value)) status = RRDCALC_STATUS_UNDEFINED;
+ else if (!strcmp("REMOVED", value)) status = RRDCALC_STATUS_REMOVED;
+ else if (!strcmp("CLEAR", value)) status = RRDCALC_STATUS_CLEAR;
+ }
+ else if(!strcmp(name, "context") || !strcmp(name, "ctx")) {
+ if(!contexts) contexts = buffer_create(255);
+ buffer_strcat(contexts, "|");
+ buffer_strcat(contexts, value);
+ }
+ }
+
+ health_aggregate_alarms(host, w->response.data, contexts, status);
+
+ buffer_sprintf(w->response.data, "]\n");
+ w->response.data->contenttype = CT_APPLICATION_JSON;
+ buffer_no_cacheable(w->response.data);
+
+ buffer_free(contexts);
+ return 200;
+}
+
inline int web_client_api_request_v1_alarm_log(RRDHOST *host, struct web_client *w, char *url) {
uint32_t after = 0;
@@ -779,6 +824,7 @@ static struct api_command {
{ "alarms", 0, WEB_CLIENT_ACL_DASHBOARD, web_client_api_request_v1_alarms },
{ "alarm_log", 0, WEB_CLIENT_ACL_DASHBOARD, web_client_api_request_v1_alarm_log },
{ "alarm_variables", 0, WEB_CLIENT_ACL_DASHBOARD, web_client_api_request_v1_alarm_variables },
+ { "alarm_count", 0, WEB_CLIENT_ACL_DASHBOARD, web_client_api_request_v1_alarm_count },
{ "allmetrics", 0, WEB_CLIENT_ACL_DASHBOARD, web_client_api_request_v1_allmetrics },
{ "manage/health", 0, WEB_CLIENT_ACL_MGMT, web_client_api_request_v1_mgmt_health },
// terminator
diff --git a/web/api/web_api_v1.h b/web/api/web_api_v1.h
index 70b781780..3edb47e3c 100644
--- a/web/api/web_api_v1.h
+++ b/web/api/web_api_v1.h
@@ -16,6 +16,7 @@ extern int web_client_api_request_v1_alarms(RRDHOST *host, struct web_client *w,
extern int web_client_api_request_v1_alarm_log(RRDHOST *host, struct web_client *w, char *url);
extern int web_client_api_request_single_chart(RRDHOST *host, struct web_client *w, char *url, void callback(RRDSET *st, BUFFER *buf));
extern int web_client_api_request_v1_alarm_variables(RRDHOST *host, struct web_client *w, char *url);
+extern int web_client_api_request_v1_alarm_count(RRDHOST *host, struct web_client *w, char *url);
extern int web_client_api_request_v1_charts(RRDHOST *host, struct web_client *w, char *url);
extern int web_client_api_request_v1_chart(RRDHOST *host, struct web_client *w, char *url);
extern int web_client_api_request_v1_data(RRDHOST *host, struct web_client *w, char *url);