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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2019-09-03 10:23:48 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2019-09-03 10:23:48 +0000 |
| commit | cd7ed12292aef11d9062b64f61215174e8cc1860 (patch) | |
| tree | 9998ab03d153956743d9319cf3a0279b9593ce36 /health | |
| parent | Releasing debian version 1.16.1-6. (diff) | |
| download | netdata-cd7ed12292aef11d9062b64f61215174e8cc1860.tar.xz netdata-cd7ed12292aef11d9062b64f61215174e8cc1860.zip | |
Merging upstream version 1.17.0.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'health')
31 files changed, 4808 insertions, 655 deletions
diff --git a/health/Makefile.am b/health/Makefile.am index 5310bd8a..e9fceddb 100644 --- a/health/Makefile.am +++ b/health/Makefile.am @@ -84,6 +84,7 @@ dist_healthconfig_DATA = \ health.d/tcp_resets.conf \ health.d/udp_errors.conf \ health.d/varnish.conf \ + health.d/vsphere.conf \ health.d/web_log.conf \ health.d/wmi.conf \ health.d/x509check.conf \ diff --git a/health/Makefile.in b/health/Makefile.in new file mode 100644 index 00000000..dca19e88 --- /dev/null +++ b/health/Makefile.in @@ -0,0 +1,861 @@ +# Makefile.in generated by automake 1.15.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2017 Free Software Foundation, Inc. + +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +# SPDX-License-Identifier: GPL-3.0-or-later + +VPATH = @srcdir@ +am__is_gnu_make = { \ + if test -z '$(MAKELEVEL)'; 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install-dist_healthconfigDATA \ + install-dist_userhealthconfigDATA 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 installdirs-am \ + maintainer-clean maintainer-clean-generic mostlyclean \ + mostlyclean-generic pdf pdf-am ps ps-am tags tags-am uninstall \ + uninstall-am uninstall-dist_healthconfigDATA \ + uninstall-dist_userhealthconfigDATA + +.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/health/README.md b/health/README.md index 345f7fc7..848c1bc3 100644 --- a/health/README.md +++ b/health/README.md @@ -1,9 +1,9 @@ # Health monitoring -Each netdata node runs an independent thread evaluating health monitoring checks. +Each Netdata node runs an independent thread evaluating health monitoring checks. This thread has lock free access to the database, so that it can operate as a watchdog. -Health checks (alarms) are attached to netdata charts, allowing netdata to automatically +Health checks (alarms) are attached to Netdata charts, allowing Netdata to automatically activate an alarm as soon as a chart is created. This is very important for netdata, since many charts are dynamically created during runtime (for example, the chart tracking network interface packet drops, is automatically created on the first @@ -20,15 +20,15 @@ use expressions combining the latest value of any number of metrics. ## Health configuration reference -Stock netdata health configuration is in `/usr/lib/netdata/conf.d/health.d`. +Stock Netdata health configuration is in `/usr/lib/netdata/conf.d/health.d`. These files can be overwritten by copying them and editing them in `/etc/netdata/health.d` (run `/etc/netdata/edit-config` to edit them). In `/etc/netdata/health.d` you can also put any number of files (in any number of sub-directories) -with a suffix `.conf` to have them processed by netdata. +with a suffix `.conf` to have them processed by Netdata. -Health configuration can be reloaded at any time, without restarting netdata. -Just send netdata the SIGUSR2 signal, like this: +Health configuration can be reloaded at any time, without restarting Netdata. +Just send Netdata the SIGUSR2 signal, like this: ```sh killall -USR2 netdata @@ -38,11 +38,11 @@ killall -USR2 netdata There are 2 entities: -1. **alarms**, which are attached to specific charts, and +1. **alarms**, which are attached to specific charts, and -1. **templates**, which define rules that should be applied to all charts having a - specific `context`. You can use this feature to apply **alarms** to all disks, - all network interfaces, all mysql databases, all nginx web servers, etc. +2. **templates**, which define rules that should be applied to all charts having a + specific `context`. You can use this feature to apply **alarms** to all disks, + all network interfaces, all mysql databases, all nginx web servers, etc. Both of these entities have exactly the same format and feature set. The only difference is the label `alarm` or `template`. @@ -50,7 +50,7 @@ The only difference is the label `alarm` or `template`. Netdata supports overriding **templates** with **alarms**. For example, when a template is defined for a set of charts, an alarm with exactly the same name attached to the same chart the template matches, will have higher precedence -(i.e. netdata will use the alarm on this chart and prevent the template from being applied +(i.e. Netdata will use the alarm on this chart and prevent the template from being applied to it). ### The format @@ -135,7 +135,7 @@ hosts: server1 server2 database* !redis3 redis* The above says: use this alarm on all hosts named `server1`, `server2`, `database*`, and all `redis*` except `redis3`. -This is useful when you centralize metrics from multiple hosts, to one netdata. +This is useful when you centralize metrics from multiple hosts, to one Netdata. --- @@ -168,27 +168,27 @@ lookup: METHOD AFTER [at BEFORE] [every DURATION] [OPTIONS] [of DIMENSIONS] Everything is the same with [badges](../web/api/badges/). In short: -- `METHOD` is one of `average`, `min`, `max`, `sum`, `incremental-sum`. - This is required. +- `METHOD` is one of `average`, `min`, `max`, `sum`, `incremental-sum`. + This is required. -- `AFTER` is a relative number of seconds, but it also accepts a single letter for changing - the units, like `-1s` = 1 second in the past, `-1m` = 1 minute in the past, `-1h` = 1 hour - in the past, `-1d` = 1 day in the past. You need a negative number (i.e. how far in the past - to look for the value). **This is required**. +- `AFTER` is a relative number of seconds, but it also accepts a single letter for changing + the units, like `-1s` = 1 second in the past, `-1m` = 1 minute in the past, `-1h` = 1 hour + in the past, `-1d` = 1 day in the past. You need a negative number (i.e. how far in the past + to look for the value). **This is required**. -- `at BEFORE` is by default 0 and is not required. Using this you can define the end of the - lookup. So data will be evaluated between `AFTER` and `BEFORE`. +- `at BEFORE` is by default 0 and is not required. Using this you can define the end of the + lookup. So data will be evaluated between `AFTER` and `BEFORE`. -- `every DURATION` sets the updated frequency of the lookup (supports single letter units as - above too). +- `every DURATION` sets the updated frequency of the lookup (supports single letter units as + above too). -- `OPTIONS` is a space separated list of `percentage`, `absolute`, `min2max`, `unaligned`, - `match-ids`, `match-names`. Check the badges documentation for more info. +- `OPTIONS` is a space separated list of `percentage`, `absolute`, `min2max`, `unaligned`, + `match-ids`, `match-names`. Check the badges documentation for more info. -- `of DIMENSIONS` is optional and has to be the last parameter. Dimensions have to be separated - by `,` or `|`. The space characters found in dimensions will be kept as-is (a few dimensions - have spaces in their names). This accepts netdata simple patterns and the `match-ids` and - `match-names` options affect the searches for dimensions. +- `of DIMENSIONS` is optional and has to be the last parameter. Dimensions have to be separated + by `,` or `|`. The space characters found in dimensions will be kept as-is (a few dimensions + have spaces in their names). This accepts Netdata simple patterns and the `match-ids` and + `match-names` options affect the searches for dimensions. The result of the lookup will be available as `$this` and `$NAME` in expressions. The timestamps of the timeframe evaluated by the database lookup is available as variables @@ -259,6 +259,7 @@ Format: warn: EXPRESSION crit: EXPRESSION ``` + Check [Expressions](#expressions) for more information. --- @@ -289,8 +290,8 @@ Format: exec: SCRIPT ``` -The default `SCRIPT` is netdata's `alarm-notify.sh`, which supports all the notifications -methods netdata supports, including custom hooks. +The default `SCRIPT` is Netdata's `alarm-notify.sh`, which supports all the notifications +methods Netdata supports, including custom hooks. --- @@ -306,40 +307,41 @@ Format: delay: [[[up U] [down D] multiplier M] max X] ``` -- `up U` defines the delay to be applied to a notification for an alarm that raised its status - (i.e. CLEAR to WARNING, CLEAR to CRITICAL, WARNING to CRITICAL). For example, `up 10s`, the - notification for this event will be sent 10 seconds after the actual event. This is used in - hope the alarm will get back to its previous state within the duration given. The default `U` - is zero. +- `up U` defines the delay to be applied to a notification for an alarm that raised its status + (i.e. CLEAR to WARNING, CLEAR to CRITICAL, WARNING to CRITICAL). For example, `up 10s`, the + notification for this event will be sent 10 seconds after the actual event. This is used in + hope the alarm will get back to its previous state within the duration given. The default `U` + is zero. + +- `down D` defines the delay to be applied to a notification for an alarm that moves to lower + state (i.e. CRITICAL to WARNING, CRITICAL to CLEAR, WARNING to CLEAR). For example, `down 1m` + will delay the notification by 1 minute. This is used to prevent notifications for flapping + alarms. The default `D` is zero. -- `down D` defines the delay to be applied to a notification for an alarm that moves to lower - state (i.e. CRITICAL to WARNING, CRITICAL to CLEAR, WARNING to CLEAR). For example, `down 1m` - will delay the notification by 1 minute. This is used to prevent notifications for flapping - alarms. The default `D` is zero. +- `mutliplier M` multiplies `U` and `D` when an alarm changes state, while a notification is + delayed. The default multiplier is `1.0`. -- `mutliplier M` multiplies `U` and `D` when an alarm changes state, while a notification is - delayed. The default multiplier is `1.0`. +- `max X` defines the maximum absolute notification delay an alarm may get. The default `X` + is `max(U * M, D * M)` (i.e. the max duration of `U` or `D` multiplied once with `M`). -- `max X` defines the maximum absolute notification delay an alarm may get. The default `X` - is `max(U * M, D * M)` (i.e. the max duration of `U` or `D` multiplied once with `M`). + Example: - Example: + `delay: up 10s down 15m multiplier 2 max 1h` - `delay: up 10s down 15m multiplier 2 max 1h` + The time is `00:00:00` and the status of the alarm is CLEAR. - The time is `00:00:00` and the status of the alarm is CLEAR. + | time of event | new status | delay | notification will be sent|why| + |-------------|----------|:---:|-------------------------|---| + | 00:00:01 | WARNING | `up 10s` | 00:00:11|first state switch| + | 00:00:05 | CLEAR | `down 15m x2` | 00:30:05|the alarm changes state while a notification is delayed, so it was multiplied| + | 00:00:06 | WARNING | `up 10s x2 x2` | 00:00:26|multiplied twice| + | 00:00:07 | CLEAR | `down 15m x2 x2 x2` | 00:45:07|multiplied 3 times.| - time of event|new status|delay|notification will be sent|why - -------------|----------|:---:|-------------------------|--- - 00:00:01 | WARNING | `up 10s` | 00:00:11 |first state switch - 00:00:05 | CLEAR | `down 15m x2`| 00:30:05 |the alarm changes state while a notification is delayed, so it was multiplied - 00:00:06 | WARNING | `up 10s x2 x2` | 00:00:26 |multiplied twice - 00:00:07|CLEAR|`down 15m x2 x2 x2`|00:45:07|multiplied 3 times. + So: - So: - - `U` and `D` are multiplied by `M` every time the alarm changes state (any state, not just - their matching one) and a delay is in place. - - All are reset to their defaults when the alarm switches state without a delay in place. + - `U` and `D` are multiplied by `M` every time the alarm changes state (any state, not just + their matching one) and a delay is in place. + - All are reset to their defaults when the alarm switches state without a delay in place. --- @@ -353,9 +355,9 @@ Format: repeat: [off] [warning DURATION] [critical DURATION] ``` -* `off`: Turns off the repeating feature for the current alarm. This is effective when the default repeat settings has been enabled in health configuration. -* `warning DURATION`: Defines the interval when the alarm is in WARNING state. Use `0s` to turn off the repeating notification for WARNING mode. -* `critical DURATION`: Defines the interval when the alarm is in CRITICAL state. Use `0s` to turn off the repeating notification for CRITICAL mode. +- `off`: Turns off the repeating feature for the current alarm. This is effective when the default repeat settings has been enabled in health configuration. +- `warning DURATION`: Defines the interval when the alarm is in WARNING state. Use `0s` to turn off the repeating notification for WARNING mode. +- `critical DURATION`: Defines the interval when the alarm is in CRITICAL state. Use `0s` to turn off the repeating notification for CRITICAL mode. --- @@ -373,19 +375,17 @@ For some alarms we need compare two time-frames, to detect anomalies. For exampl ### Expressions -netdata has an internal [infix expression parser](../libnetdata/eval). +Netdata has an internal [infix expression parser](../libnetdata/eval). This parses expressions and creates an internal structure that allows fast execution of them. These operators are supported `+`, `-`, `*`, `/`, `<`, `<=`, `<>`, `!=`, `>`, `>=`, `&&`, `||`, `!`, `AND`, `OR`, `NOT`. Boolean operators result in either `1` (true) or `0` (false). -The conditional evaluation operator `?` is supported too. Using this operator IF-THEN-ELSE -conditional statements can be specified. The format is: `(condition) ? (true expression) : -(false expression)`. So, netdata will first evaluate the `condition` and based on the result -will either evaluate `true expression` or `false expression`. +The conditional evaluation operator `?` is supported too. Using this operator IF-THEN-ELSE conditional statements can be specified. The format is: `(condition) ? (true expression) :(false expression)`. So, Netdata will first evaluate the `condition` and based on the result will either evaluate `true expression` or `false expression`. + Example: `($this > 0) ? ($avail * 2) : ($used / 2)`. -Nested such expressions are also supported (i.e. `true expression` and `false expression` can -contain conditional evaluations). + +Nested such expressions are also supported (i.e. `true expression` and `false expression` can contain conditional evaluations). Expressions also support the `abs()` function. @@ -393,9 +393,9 @@ Expressions can have variables. Variables start with `$`. Check below for more i There are two special values you can use: -- `nan`, for example `$this != nan` will check if the variable `this` is available. A variable can be `nan` if the database lookup failed. All calculations (i.e. addition, multiplication, etc) with a `nan` result in a `nan`. +- `nan`, for example `$this != nan` will check if the variable `this` is available. A variable can be `nan` if the database lookup failed. All calculations (i.e. addition, multiplication, etc) with a `nan` result in a `nan`. -- `inf`, for example `$this != inf` will check if `this` is not infinite. A value or variable can be infinite if divided by zero. All calculations (i.e. addition, multiplication, etc) with a `inf` result in a `inf`. +- `inf`, for example `$this != inf` will check if `this` is not infinite. A value or variable can be infinite if divided by zero. All calculations (i.e. addition, multiplication, etc) with a `inf` result in a `inf`. --- @@ -407,7 +407,7 @@ or warning thresholds. This usage helps to avoid bogus messages resulting from variations in the value when it is varying regularly but staying close to the threshold value, without needing to delay sending messages at all. -An example of such usage from the default CPU usage alarms bundled with netdata is: +An example of such usage from the default CPU usage alarms bundled with Netdata is: ``` warn: $this > (($status >= $WARNING) ? (75) : (85)) @@ -415,25 +415,27 @@ crit: $this > (($status == $CRITICAL) ? (85) : (95)) ``` The above say: -* If the alarm is currently a warning, then the threshold for being considered a warning - is 75, otherwise it's 85. -* If the alarm is currently critical, then the threshold for being considered critical - is 85, otherwise it's 95. +- If the alarm is currently a warning, then the threshold for being considered a warning + is 75, otherwise it's 85. + +- If the alarm is currently critical, then the threshold for being considered critical + is 85, otherwise it's 95. Which in turn, results in the following behavior: -* While the value is rising, it will trigger a warning when it exceeds 85, and a critical - alert when it exceeds 95. -* While the value is falling, it will return to a warning state when it goes below 85, - and a normal state when it goes below 75. +- While the value is rising, it will trigger a warning when it exceeds 85, and a critical + alert when it exceeds 95. + +- While the value is falling, it will return to a warning state when it goes below 85, + and a normal state when it goes below 75. -* If the value is constantly varying between 80 and 90, then it will trigger a warning the - first time it goes above 85, but will remain a warning until it goes below 75 (or goes above 85). +- If the value is constantly varying between 80 and 90, then it will trigger a warning the + first time it goes above 85, but will remain a warning until it goes below 75 (or goes above 85). -* If the value is constantly varying between 90 and 100, then it will trigger a critical alert - the first time it goes above 95, but will remain a critical alert goes below 85 (at which - point it will return to being a warning). +- If the value is constantly varying between 90 and 100, then it will trigger a critical alert + the first time it goes above 95, but will remain a critical alert goes below 85 (at which + point it will return to being a warning). --- @@ -445,21 +447,21 @@ Example: [variables for the `system.cpu` chart of the registry](https://registry _Hint: If you don't know how to find the CHART_NAME, you can read about it [here](../docs/Charts.md#charts)._ - Netdata supports 3 internal indexes for variables that will be used in health monitoring. + <details markdown="1"><summary>The variables below can be used in both chart alarms and context templates.</summary> Although the `alarm_variables` link shows you variables for a particular chart, the same variables can also be used in templates for charts belonging to the same [context](../docs/Charts.md#contexts). The reason is that all charts of a given contexts are essentially identical, with the only difference being the [family](../docs/Charts.md#families) that identifies a particular hardware or software instance. Charts and templates do not apply to specific families anyway, unless if you explicitly limit an alarm with the [alarm line `families`](#alarm-line-families). </details> - - **chart local variables**. All the dimensions of the chart are exposed as local variables. The value of $this for the other configured alarms of the chart also appears, under the name of each configured alarm. +- **chart local variables**. All the dimensions of the chart are exposed as local variables. The value of $this for the other configured alarms of the chart also appears, under the name of each configured alarm. Charts also define a few special variables: - - `$last_collected_t` is the unix timestamp of the last data collection - - `$collected_total_raw` is the sum of all the dimensions (their last collected values) - - `$update_every` is the update frequency of the chart - - `$green` and `$red` the threshold defined in alarms (these are per chart - the charts - inherits them from the the first alarm that defined them) + - `$last_collected_t` is the unix timestamp of the last data collection + - `$collected_total_raw` is the sum of all the dimensions (their last collected values) + - `$update_every` is the update frequency of the chart + - `$green` and `$red` the threshold defined in alarms (these are per chart - the charts + inherits them from the the first alarm that defined them) Chart dimensions define their last calculated (i.e. interpolated) value, exactly as shown on the charts, but also a variable with their name and suffix `_raw` that resolves @@ -467,49 +469,49 @@ Although the `alarm_variables` link shows you variables for a particular chart, that resolves to unix timestamp the dimension was last collected (there may be dimensions that fail to be collected while others continue normally). - - **family variables**. Families are used to group charts together. For example all `eth0` +- **family variables**. Families are used to group charts together. For example all `eth0` charts, have `family = eth0`. This index includes all local variables, but if there are overlapping variables, only the first are exposed. - - **host variables**. All the dimensions of all charts, including all alarms, in fullname. +- **host variables**. All the dimensions of all charts, including all alarms, in fullname. Fullname is `CHART.VARIABLE`, where `CHART` is either the chart id or the chart name (both are supported). - - **special variables*** are: +- **special variables\*** are: - - `$this`, which is resolved to the value of the current alarm. + - `$this`, which is resolved to the value of the current alarm. - - `$status`, which is resolved to the current status of the alarm (the current = the last - status, i.e. before the current database lookup and the evaluation of the `calc` line). - This values can be compared with `$REMOVED`, `$UNINITIALIZED`, `$UNDEFINED`, `$CLEAR`, - `$WARNING`, `$CRITICAL`. These values are incremental, ie. `$status > $CLEAR` works as - expected. + - `$status`, which is resolved to the current status of the alarm (the current = the last + status, i.e. before the current database lookup and the evaluation of the `calc` line). + This values can be compared with `$REMOVED`, `$UNINITIALIZED`, `$UNDEFINED`, `$CLEAR`, + `$WARNING`, `$CRITICAL`. These values are incremental, ie. `$status > $CLEAR` works as + expected. - - `$now`, which is resolved to current unix timestamp. + - `$now`, which is resolved to current unix timestamp. ## Alarm Statuses Alarms can have the following statuses: - - `REMOVED` - the alarm has been deleted (this happens when a SIGUSR2 is sent to netdata +- `REMOVED` - the alarm has been deleted (this happens when a SIGUSR2 is sent to Netdata to reload health configuration) - - `UNINITIALIZED` - the alarm is not initialized yet +- `UNINITIALIZED` - the alarm is not initialized yet - - `UNDEFINED` - the alarm failed to be calculated (i.e. the database lookup failed, +- `UNDEFINED` - the alarm failed to be calculated (i.e. the database lookup failed, a division by zero occurred, etc) - - `CLEAR` - the alarm is not armed / raised (i.e. is OK) +- `CLEAR` - the alarm is not armed / raised (i.e. is OK) - - `WARNING` - the warning expression resulted in true or non-zero +- `WARNING` - the warning expression resulted in true or non-zero - - `CRITICAL` - the critical expression resulted in true or non-zero +- `CRITICAL` - the critical expression resulted in true or non-zero The external script will be called for all status changes. ## Examples -Check the `health/health.d/` directory for all alarms shipped with netdata. +Check the `health/health.d/` directory for all alarms shipped with Netdata. Here are a few examples: @@ -526,7 +528,7 @@ template: apache_last_collected_secs crit: $this > (10 * $update_every) ``` -The above checks that netdata is able to collect data from apache. In detail: +The above checks that Netdata is able to collect data from apache. In detail: ``` template: apache_last_collected_secs @@ -547,10 +549,10 @@ The above applies the **template** to all charts that have `context = apache.req calc: $now - $last_collected_t ``` -- `$now` is a standard variable that resolves to the current timestamp. +- `$now` is a standard variable that resolves to the current timestamp. -- `$last_collected_t` is the last data collection timestamp of the chart. - So this calculation gives the number of seconds passed since the last data collection. +- `$last_collected_t` is the last data collection timestamp of the chart. + So this calculation gives the number of seconds passed since the last data collection. ``` every: 10s @@ -565,8 +567,8 @@ The alarm will be evaluated every 10 seconds. If these result in non-zero or true, they trigger the alarm. -- `$this` refers to the value of this alarm (i.e. the result of the `calc` line. - We could also use `$apache_last_collected_secs`. +- `$this` refers to the value of this alarm (i.e. the result of the `calc` line. + We could also use `$apache_last_collected_secs`. `$update_every` is the update frequency of the chart, in seconds. @@ -653,12 +655,12 @@ The `lookup` line will calculate the sum of the all dropped packets in the last The `crit` line will issue a critical alarm if even a single packet has been dropped. Note that the drops chart does not exist if a network interface has never dropped a single packet. -When netdata detects a dropped packet, it will add the chart and it will automatically attach this +When Netdata detects a dropped packet, it will add the chart and it will automatically attach this alarm to it. ## Troubleshooting -You can compile netdata with [debugging](../daemon#debugging) and then set in `netdata.conf`: +You can compile Netdata with [debugging](../daemon#debugging) and then set in `netdata.conf`: ``` [global] @@ -671,10 +673,10 @@ Important: this will generate a lot of output in debug.log. You can find the context of charts by looking up the chart in either `http://your.netdata:19999/netdata.conf` or `http://your.netdata:19999/api/v1/charts`. -You can find how netdata interpreted the expressions by examining the alarm at `http://your.netdata:19999/api/v1/alarms?all`. For each expression, netdata will return the expression as given in its config file, and the same expression with additional parentheses added to indicate the evaluation flow of the expression. +You can find how Netdata interpreted the expressions by examining the alarm at `http://your.netdata:19999/api/v1/alarms?all`. For each expression, Netdata will return the expression as given in its config file, and the same expression with additional parentheses added to indicate the evaluation flow of the expression. ## Disabling health checks or silencing notifications at runtime It's currently not possible to schedule notifications from within the alarm template. For those scenarios where you need to temporary disable notifications (for instance when running backups triggers a disk alert) you can disable or silence notifications are runtime. The health checks can be controlled at runtime via the [health management api](../web/api/health/#health-management-api). -[]() +[](<>) diff --git a/health/health.c b/health/health.c index 55bd7284..1ee1a372 100644 --- a/health/health.c +++ b/health/health.c @@ -235,15 +235,15 @@ static inline void health_alarm_execute(RRDHOST *host, ALARM_ENTRY *ae) { const char *exec = (ae->exec) ? ae->exec : host->health_default_exec; const char *recipient = (ae->recipient) ? ae->recipient : host->health_default_recipient; - int n_warn=0, n_crit=0; - RRDCALC *rc; + int n_warn=0, n_crit=0; + RRDCALC *rc; EVAL_EXPRESSION *expr=NULL; - for(rc = host->alarms; rc ; rc = rc->next) { - if(unlikely(!rc->rrdset || !rc->rrdset->last_collected_time.tv_sec)) - continue; + for(rc = host->alarms; rc ; rc = rc->next) { + if(unlikely(!rc->rrdset || !rc->rrdset->last_collected_time.tv_sec)) + continue; - if(unlikely(rc->status == RRDCALC_STATUS_WARNING)) { + if(unlikely(rc->status == RRDCALC_STATUS_WARNING)) { n_warn++; if (ae->alarm_id == rc->id) expr=rc->warning; @@ -254,8 +254,8 @@ static inline void health_alarm_execute(RRDHOST *host, ALARM_ENTRY *ae) { } else if (unlikely(rc->status == RRDCALC_STATUS_CLEAR)) { if (ae->alarm_id == rc->id) expr=rc->warning; - } - } + } + } snprintfz(command_to_run, ALARM_EXEC_COMMAND_LENGTH, "exec %s '%s' '%s' '%u' '%u' '%u' '%lu' '%s' '%s' '%s' '%s' '%s' '" CALCULATED_NUMBER_FORMAT_ZERO "' '" CALCULATED_NUMBER_FORMAT_ZERO "' '%s' '%u' '%u' '%s' '%s' '%s' '%s' '%s' '%s' '%d' '%d'", exec, @@ -467,7 +467,7 @@ static void health_main_cleanup(void *ptr) { } SILENCE_TYPE check_silenced(RRDCALC *rc, char* host, SILENCERS *silencers) { - SILENCER *s; + SILENCER *s; debug(D_HEALTH, "Checking if alarm was silenced via the command API. Alarm info name:%s context:%s chart:%s host:%s family:%s", rc->name, (rc->rrdset)?rc->rrdset->context:"", rc->chart, host, (rc->rrdset)?rc->rrdset->family:""); @@ -509,32 +509,32 @@ SILENCE_TYPE check_silenced(RRDCALC *rc, char* host, SILENCERS *silencers) { * @return It returns 1 case rrdcalc_flags is DISABLED or 0 otherwise */ int update_disabled_silenced(RRDHOST *host, RRDCALC *rc) { - uint32_t rrdcalc_flags_old = rc->rrdcalc_flags; - // Clear the flags - rc->rrdcalc_flags &= ~(RRDCALC_FLAG_DISABLED | RRDCALC_FLAG_SILENCED); - if (unlikely(silencers->all_alarms)) { - if (silencers->stype == STYPE_DISABLE_ALARMS) rc->rrdcalc_flags |= RRDCALC_FLAG_DISABLED; - else if (silencers->stype == STYPE_SILENCE_NOTIFICATIONS) rc->rrdcalc_flags |= RRDCALC_FLAG_SILENCED; - } else { - SILENCE_TYPE st = check_silenced(rc, host->hostname, silencers); - if (st == STYPE_DISABLE_ALARMS) rc->rrdcalc_flags |= RRDCALC_FLAG_DISABLED; - else if (st == STYPE_SILENCE_NOTIFICATIONS) rc->rrdcalc_flags |= RRDCALC_FLAG_SILENCED; - } - - if (rrdcalc_flags_old != rc->rrdcalc_flags) { - info("Alarm silencing changed for host '%s' alarm '%s': Disabled %s->%s Silenced %s->%s", - host->hostname, - rc->name, - (rrdcalc_flags_old & RRDCALC_FLAG_DISABLED)?"true":"false", - (rc->rrdcalc_flags & RRDCALC_FLAG_DISABLED)?"true":"false", - (rrdcalc_flags_old & RRDCALC_FLAG_SILENCED)?"true":"false", - (rc->rrdcalc_flags & RRDCALC_FLAG_SILENCED)?"true":"false" - ); - } - if (rc->rrdcalc_flags & RRDCALC_FLAG_DISABLED) - return 1; - else - return 0; + uint32_t rrdcalc_flags_old = rc->rrdcalc_flags; + // Clear the flags + rc->rrdcalc_flags &= ~(RRDCALC_FLAG_DISABLED | RRDCALC_FLAG_SILENCED); + if (unlikely(silencers->all_alarms)) { + if (silencers->stype == STYPE_DISABLE_ALARMS) rc->rrdcalc_flags |= RRDCALC_FLAG_DISABLED; + else if (silencers->stype == STYPE_SILENCE_NOTIFICATIONS) rc->rrdcalc_flags |= RRDCALC_FLAG_SILENCED; + } else { + SILENCE_TYPE st = check_silenced(rc, host->hostname, silencers); + if (st == STYPE_DISABLE_ALARMS) rc->rrdcalc_flags |= RRDCALC_FLAG_DISABLED; + else if (st == STYPE_SILENCE_NOTIFICATIONS) rc->rrdcalc_flags |= RRDCALC_FLAG_SILENCED; + } + + if (rrdcalc_flags_old != rc->rrdcalc_flags) { + info("Alarm silencing changed for host '%s' alarm '%s': Disabled %s->%s Silenced %s->%s", + host->hostname, + rc->name, + (rrdcalc_flags_old & RRDCALC_FLAG_DISABLED)?"true":"false", + (rc->rrdcalc_flags & RRDCALC_FLAG_DISABLED)?"true":"false", + (rrdcalc_flags_old & RRDCALC_FLAG_SILENCED)?"true":"false", + (rc->rrdcalc_flags & RRDCALC_FLAG_SILENCED)?"true":"false" + ); + } + if (rc->rrdcalc_flags & RRDCALC_FLAG_DISABLED) + return 1; + else + return 0; } /** @@ -557,290 +557,290 @@ void *health_main(void *ptr) { unsigned int loop = 0; while(!netdata_exit) { - loop++; - debug(D_HEALTH, "Health monitoring iteration no %u started", loop); + loop++; + debug(D_HEALTH, "Health monitoring iteration no %u started", loop); + + int runnable = 0, apply_hibernation_delay = 0; + time_t next_run = now + min_run_every; + RRDCALC *rc; + + if (unlikely(check_if_resumed_from_suspention())) { + apply_hibernation_delay = 1; + + info("Postponing alarm checks for %ld seconds, because it seems that the system was just resumed from suspension.", + hibernation_delay + ); + } + + if (unlikely(silencers->all_alarms && silencers->stype == STYPE_DISABLE_ALARMS)) { + static int logged=0; + if (!logged) { + info("Skipping health checks, because all alarms are disabled via a %s command.", + HEALTH_CMDAPI_CMD_DISABLEALL); + logged = 1; + } + } + + rrd_rdlock(); + + RRDHOST *host; + rrdhost_foreach_read(host) { + if (unlikely(!host->health_enabled)) + continue; + + if (unlikely(apply_hibernation_delay)) { + + info("Postponing health checks for %ld seconds, on host '%s'.", hibernation_delay, host->hostname + ); + + host->health_delay_up_to = now + hibernation_delay; + } + + if (unlikely(host->health_delay_up_to)) { + if (unlikely(now < host->health_delay_up_to)) + continue; + + info("Resuming health checks on host '%s'.", host->hostname); + host->health_delay_up_to = 0; + } + + rrdhost_rdlock(host); + + // the first loop is to lookup values from the db + for (rc = host->alarms; rc; rc = rc->next) { + + if (update_disabled_silenced(host, rc)) + continue; + + if (unlikely(!rrdcalc_isrunnable(rc, now, &next_run))) { + if (unlikely(rc->rrdcalc_flags & RRDCALC_FLAG_RUNNABLE)) + rc->rrdcalc_flags &= ~RRDCALC_FLAG_RUNNABLE; + continue; + } + + runnable++; + rc->old_value = rc->value; + rc->rrdcalc_flags |= RRDCALC_FLAG_RUNNABLE; + + // ------------------------------------------------------------ + // if there is database lookup, do it + + if (unlikely(RRDCALC_HAS_DB_LOOKUP(rc))) { + /* time_t old_db_timestamp = rc->db_before; */ + int value_is_null = 0; + + int ret = rrdset2value_api_v1(rc->rrdset, NULL, &rc->value, rc->dimensions, 1, rc->after, + rc->before, rc->group, 0, rc->options, &rc->db_after, + &rc->db_before, &value_is_null + ); + + if (unlikely(ret != 200)) { + // database lookup failed + rc->value = NAN; + rc->rrdcalc_flags |= RRDCALC_FLAG_DB_ERROR; + + debug(D_HEALTH, "Health on host '%s', alarm '%s.%s': database lookup returned error %d", + host->hostname, rc->chart ? rc->chart : "NOCHART", rc->name, ret + ); + } else + rc->rrdcalc_flags &= ~RRDCALC_FLAG_DB_ERROR; + + /* - RRDCALC_FLAG_DB_STALE not currently used + if (unlikely(old_db_timestamp == rc->db_before)) { + // database is stale + + debug(D_HEALTH, "Health on host '%s', alarm '%s.%s': database is stale", host->hostname, rc->chart?rc->chart:"NOCHART", rc->name); + + if (unlikely(!(rc->rrdcalc_flags & RRDCALC_FLAG_DB_STALE))) { + rc->rrdcalc_flags |= RRDCALC_FLAG_DB_STALE; + error("Health on host '%s', alarm '%s.%s': database is stale", host->hostname, rc->chart?rc->chart:"NOCHART", rc->name); + } + } + else if (unlikely(rc->rrdcalc_flags & RRDCALC_FLAG_DB_STALE)) + rc->rrdcalc_flags &= ~RRDCALC_FLAG_DB_STALE; + */ + + if (unlikely(value_is_null)) { + // collected value is null + rc->value = NAN; + rc->rrdcalc_flags |= RRDCALC_FLAG_DB_NAN; + + debug(D_HEALTH, + "Health on host '%s', alarm '%s.%s': database lookup returned empty value (possibly value is not collected yet)", + host->hostname, rc->chart ? rc->chart : "NOCHART", rc->name + ); + } else + rc->rrdcalc_flags &= ~RRDCALC_FLAG_DB_NAN; + + debug(D_HEALTH, "Health on host '%s', alarm '%s.%s': database lookup gave value " + CALCULATED_NUMBER_FORMAT, host->hostname, rc->chart ? rc->chart : "NOCHART", rc->name, + rc->value + ); + } + + // ------------------------------------------------------------ + // if there is calculation expression, run it + + if (unlikely(rc->calculation)) { + if (unlikely(!expression_evaluate(rc->calculation))) { + // calculation failed + rc->value = NAN; + rc->rrdcalc_flags |= RRDCALC_FLAG_CALC_ERROR; + + debug(D_HEALTH, "Health on host '%s', alarm '%s.%s': expression '%s' failed: %s", + host->hostname, rc->chart ? rc->chart : "NOCHART", rc->name, + rc->calculation->parsed_as, buffer_tostring(rc->calculation->error_msg) + ); + } else { + rc->rrdcalc_flags &= ~RRDCALC_FLAG_CALC_ERROR; - int runnable = 0, apply_hibernation_delay = 0; - time_t next_run = now + min_run_every; - RRDCALC *rc; - - if (unlikely(check_if_resumed_from_suspention())) { - apply_hibernation_delay = 1; - - info("Postponing alarm checks for %ld seconds, because it seems that the system was just resumed from suspension.", - hibernation_delay - ); - } - - if (unlikely(silencers->all_alarms && silencers->stype == STYPE_DISABLE_ALARMS)) { - static int logged=0; - if (!logged) { - info("Skipping health checks, because all alarms are disabled via a %s command.", - HEALTH_CMDAPI_CMD_DISABLEALL); - logged = 1; - } - } - - rrd_rdlock(); - - RRDHOST *host; - rrdhost_foreach_read(host) { - if (unlikely(!host->health_enabled)) - continue; - - if (unlikely(apply_hibernation_delay)) { - - info("Postponing health checks for %ld seconds, on host '%s'.", hibernation_delay, host->hostname - ); - - host->health_delay_up_to = now + hibernation_delay; - } - - if (unlikely(host->health_delay_up_to)) { - if (unlikely(now < host->health_delay_up_to)) - continue; - - info("Resuming health checks on host '%s'.", host->hostname); - host->health_delay_up_to = 0; - } - - rrdhost_rdlock(host); - - // the first loop is to lookup values from the db - for (rc = host->alarms; rc; rc = rc->next) { - - if (update_disabled_silenced(host, rc)) - continue; - - if (unlikely(!rrdcalc_isrunnable(rc, now, &next_run))) { - if (unlikely(rc->rrdcalc_flags & RRDCALC_FLAG_RUNNABLE)) - rc->rrdcalc_flags &= ~RRDCALC_FLAG_RUNNABLE; - continue; - } - - runnable++; - rc->old_value = rc->value; - rc->rrdcalc_flags |= RRDCALC_FLAG_RUNNABLE; - - // ------------------------------------------------------------ - // if there is database lookup, do it - - if (unlikely(RRDCALC_HAS_DB_LOOKUP(rc))) { - /* time_t old_db_timestamp = rc->db_before; */ - int value_is_null = 0; - - int ret = rrdset2value_api_v1(rc->rrdset, NULL, &rc->value, rc->dimensions, 1, rc->after, - rc->before, rc->group, 0, rc->options, &rc->db_after, - &rc->db_before, &value_is_null - ); - - if (unlikely(ret != 200)) { - // database lookup failed - rc->value = NAN; - rc->rrdcalc_flags |= RRDCALC_FLAG_DB_ERROR; - - debug(D_HEALTH, "Health on host '%s', alarm '%s.%s': database lookup returned error %d", - host->hostname, rc->chart ? rc->chart : "NOCHART", rc->name, ret - ); - } else - rc->rrdcalc_flags &= ~RRDCALC_FLAG_DB_ERROR; - - /* - RRDCALC_FLAG_DB_STALE not currently used - if (unlikely(old_db_timestamp == rc->db_before)) { - // database is stale - - debug(D_HEALTH, "Health on host '%s', alarm '%s.%s': database is stale", host->hostname, rc->chart?rc->chart:"NOCHART", rc->name); - - if (unlikely(!(rc->rrdcalc_flags & RRDCALC_FLAG_DB_STALE))) { - rc->rrdcalc_flags |= RRDCALC_FLAG_DB_STALE; - error("Health on host '%s', alarm '%s.%s': database is stale", host->hostname, rc->chart?rc->chart:"NOCHART", rc->name); - } - } - else if (unlikely(rc->rrdcalc_flags & RRDCALC_FLAG_DB_STALE)) - rc->rrdcalc_flags &= ~RRDCALC_FLAG_DB_STALE; - */ - - if (unlikely(value_is_null)) { - // collected value is null - rc->value = NAN; - rc->rrdcalc_flags |= RRDCALC_FLAG_DB_NAN; - - debug(D_HEALTH, - "Health on host '%s', alarm '%s.%s': database lookup returned empty value (possibly value is not collected yet)", - host->hostname, rc->chart ? rc->chart : "NOCHART", rc->name - ); - } else - rc->rrdcalc_flags &= ~RRDCALC_FLAG_DB_NAN; - - debug(D_HEALTH, "Health on host '%s', alarm '%s.%s': database lookup gave value " - CALCULATED_NUMBER_FORMAT, host->hostname, rc->chart ? rc->chart : "NOCHART", rc->name, - rc->value - ); - } - - // ------------------------------------------------------------ - // if there is calculation expression, run it - - if (unlikely(rc->calculation)) { - if (unlikely(!expression_evaluate(rc->calculation))) { - // calculation failed - rc->value = NAN; - rc->rrdcalc_flags |= RRDCALC_FLAG_CALC_ERROR; - - debug(D_HEALTH, "Health on host '%s', alarm '%s.%s': expression '%s' failed: %s", - host->hostname, rc->chart ? rc->chart : "NOCHART", rc->name, - rc->calculation->parsed_as, buffer_tostring(rc->calculation->error_msg) - ); - } else { - rc->rrdcalc_flags &= ~RRDCALC_FLAG_CALC_ERROR; - - debug(D_HEALTH, "Health on host '%s', alarm '%s.%s': expression '%s' gave value " - CALCULATED_NUMBER_FORMAT - ": %s (source: %s)", host->hostname, rc->chart ? rc->chart : "NOCHART", rc->name, - rc->calculation->parsed_as, rc->calculation->result, - buffer_tostring(rc->calculation->error_msg), rc->source - ); - - rc->value = rc->calculation->result; - - if (rc->local) rc->local->last_updated = now; - if (rc->family) rc->family->last_updated = now; - if (rc->hostid) rc->hostid->last_updated = now; - if (rc->hostname) rc->hostname->last_updated = now; - } - } - } - - rrdhost_unlock(host); - - if (unlikely(runnable && !netdata_exit)) { - rrdhost_rdlock(host); - - for (rc = host->alarms; rc; rc = rc->next) { - if (unlikely(!(rc->rrdcalc_flags & RRDCALC_FLAG_RUNNABLE))) - continue; - - if (rc->rrdcalc_flags & RRDCALC_FLAG_DISABLED) { - continue; - } - RRDCALC_STATUS warning_status = RRDCALC_STATUS_UNDEFINED; - RRDCALC_STATUS critical_status = RRDCALC_STATUS_UNDEFINED; - - // -------------------------------------------------------- - // check the warning expression - - if (likely(rc->warning)) { - if (unlikely(!expression_evaluate(rc->warning))) { - // calculation failed - rc->rrdcalc_flags |= RRDCALC_FLAG_WARN_ERROR; - - debug(D_HEALTH, - "Health on host '%s', alarm '%s.%s': warning expression failed with error: %s", - host->hostname, rc->chart ? rc->chart : "NOCHART", rc->name, - buffer_tostring(rc->warning->error_msg) - ); - } else { - rc->rrdcalc_flags &= ~RRDCALC_FLAG_WARN_ERROR; - debug(D_HEALTH, "Health on host '%s', alarm '%s.%s': warning expression gave value " - CALCULATED_NUMBER_FORMAT - ": %s (source: %s)", host->hostname, rc->chart ? rc->chart : "NOCHART", - rc->name, rc->warning->result, buffer_tostring(rc->warning->error_msg), rc->source - ); - warning_status = rrdcalc_value2status(rc->warning->result); - } - } - - // -------------------------------------------------------- - // check the critical expression - - if (likely(rc->critical)) { - if (unlikely(!expression_evaluate(rc->critical))) { - // calculation failed - rc->rrdcalc_flags |= RRDCALC_FLAG_CRIT_ERROR; - - debug(D_HEALTH, - "Health on host '%s', alarm '%s.%s': critical expression failed with error: %s", - host->hostname, rc->chart ? rc->chart : "NOCHART", rc->name, - buffer_tostring(rc->critical->error_msg) - ); - } else { - rc->rrdcalc_flags &= ~RRDCALC_FLAG_CRIT_ERROR; - debug(D_HEALTH, "Health on host '%s', alarm '%s.%s': critical expression gave value " - CALCULATED_NUMBER_FORMAT - ": %s (source: %s)", host->hostname, rc->chart ? rc->chart : "NOCHART", - rc->name, rc->critical->result, buffer_tostring(rc->critical->error_msg), - rc->source - ); - critical_status = rrdcalc_value2status(rc->critical->result); - } - } - - // -------------------------------------------------------- - // decide the final alarm status - - RRDCALC_STATUS status = RRDCALC_STATUS_UNDEFINED; - - switch (warning_status) { - case RRDCALC_STATUS_CLEAR: - status = RRDCALC_STATUS_CLEAR; - break; - - case RRDCALC_STATUS_RAISED: - status = RRDCALC_STATUS_WARNING; - break; - - default: - break; - } - - switch (critical_status) { - case RRDCALC_STATUS_CLEAR: - if (status == RRDCALC_STATUS_UNDEFINED) - status = RRDCALC_STATUS_CLEAR; - break; - - case RRDCALC_STATUS_RAISED: - status = RRDCALC_STATUS_CRITICAL; - break; - - default: - break; - } - - // -------------------------------------------------------- - // check if the new status and the old differ - - if (status != rc->status) { - int delay = 0; - - // apply trigger hysteresis - - if (now > rc->delay_up_to_timestamp) { - rc->delay_up_current = rc->delay_up_duration; - rc->delay_down_current = rc->delay_down_duration; - rc->delay_last = 0; - rc->delay_up_to_timestamp = 0; - } else { - rc->delay_up_current = (int) (rc->delay_up_current * rc->delay_multiplier); - if (rc->delay_up_current > rc->delay_max_duration) - rc->delay_up_current = rc->delay_max_duration; - - rc->delay_down_current = (int) (rc->delay_down_current * rc->delay_multiplier); - if (rc->delay_down_current > rc->delay_max_duration) - rc->delay_down_current = rc->delay_max_duration; - } - - if (status > rc->status) - delay = rc->delay_up_current; - else - delay = rc->delay_down_current; - - // COMMENTED: because we do need to send raising alarms - // if(now + delay < rc->delay_up_to_timestamp) - // delay = (int)(rc->delay_up_to_timestamp - now); - - rc->delay_last = delay; - rc->delay_up_to_timestamp = now + delay; + debug(D_HEALTH, "Health on host '%s', alarm '%s.%s': expression '%s' gave value " + CALCULATED_NUMBER_FORMAT + ": %s (source: %s)", host->hostname, rc->chart ? rc->chart : "NOCHART", rc->name, + rc->calculation->parsed_as, rc->calculation->result, + buffer_tostring(rc->calculation->error_msg), rc->source + ); + + rc->value = rc->calculation->result; + + if (rc->local) rc->local->last_updated = now; + if (rc->family) rc->family->last_updated = now; + if (rc->hostid) rc->hostid->last_updated = now; + if (rc->hostname) rc->hostname->last_updated = now; + } + } + } + + rrdhost_unlock(host); + + if (unlikely(runnable && !netdata_exit)) { + rrdhost_rdlock(host); + + for (rc = host->alarms; rc; rc = rc->next) { + if (unlikely(!(rc->rrdcalc_flags & RRDCALC_FLAG_RUNNABLE))) + continue; + + if (rc->rrdcalc_flags & RRDCALC_FLAG_DISABLED) { + continue; + } + RRDCALC_STATUS warning_status = RRDCALC_STATUS_UNDEFINED; + RRDCALC_STATUS critical_status = RRDCALC_STATUS_UNDEFINED; + + // -------------------------------------------------------- + // check the warning expression + + if (likely(rc->warning)) { + if (unlikely(!expression_evaluate(rc->warning))) { + // calculation failed + rc->rrdcalc_flags |= RRDCALC_FLAG_WARN_ERROR; + + debug(D_HEALTH, + "Health on host '%s', alarm '%s.%s': warning expression failed with error: %s", + host->hostname, rc->chart ? rc->chart : "NOCHART", rc->name, + buffer_tostring(rc->warning->error_msg) + ); + } else { + rc->rrdcalc_flags &= ~RRDCALC_FLAG_WARN_ERROR; + debug(D_HEALTH, "Health on host '%s', alarm '%s.%s': warning expression gave value " + CALCULATED_NUMBER_FORMAT + ": %s (source: %s)", host->hostname, rc->chart ? rc->chart : "NOCHART", + rc->name, rc->warning->result, buffer_tostring(rc->warning->error_msg), rc->source + ); + warning_status = rrdcalc_value2status(rc->warning->result); + } + } + + // -------------------------------------------------------- + // check the critical expression + + if (likely(rc->critical)) { + if (unlikely(!expression_evaluate(rc->critical))) { + // calculation failed + rc->rrdcalc_flags |= RRDCALC_FLAG_CRIT_ERROR; + + debug(D_HEALTH, + "Health on host '%s', alarm '%s.%s': critical expression failed with error: %s", + host->hostname, rc->chart ? rc->chart : "NOCHART", rc->name, + buffer_tostring(rc->critical->error_msg) + ); + } else { + rc->rrdcalc_flags &= ~RRDCALC_FLAG_CRIT_ERROR; + debug(D_HEALTH, "Health on host '%s', alarm '%s.%s': critical expression gave value " + CALCULATED_NUMBER_FORMAT + ": %s (source: %s)", host->hostname, rc->chart ? rc->chart : "NOCHART", + rc->name, rc->critical->result, buffer_tostring(rc->critical->error_msg), + rc->source + ); + critical_status = rrdcalc_value2status(rc->critical->result); + } + } + + // -------------------------------------------------------- + // decide the final alarm status + + RRDCALC_STATUS status = RRDCALC_STATUS_UNDEFINED; + + switch (warning_status) { + case RRDCALC_STATUS_CLEAR: + status = RRDCALC_STATUS_CLEAR; + break; + + case RRDCALC_STATUS_RAISED: + status = RRDCALC_STATUS_WARNING; + break; + + default: + break; + } + + switch (critical_status) { + case RRDCALC_STATUS_CLEAR: + if (status == RRDCALC_STATUS_UNDEFINED) + status = RRDCALC_STATUS_CLEAR; + break; + + case RRDCALC_STATUS_RAISED: + status = RRDCALC_STATUS_CRITICAL; + break; + + default: + break; + } + + // -------------------------------------------------------- + // check if the new status and the old differ + + if (status != rc->status) { + int delay = 0; + + // apply trigger hysteresis + + if (now > rc->delay_up_to_timestamp) { + rc->delay_up_current = rc->delay_up_duration; + rc->delay_down_current = rc->delay_down_duration; + rc->delay_last = 0; + rc->delay_up_to_timestamp = 0; + } else { + rc->delay_up_current = (int) (rc->delay_up_current * rc->delay_multiplier); + if (rc->delay_up_current > rc->delay_max_duration) + rc->delay_up_current = rc->delay_max_duration; + + rc->delay_down_current = (int) (rc->delay_down_current * rc->delay_multiplier); + if (rc->delay_down_current > rc->delay_max_duration) + rc->delay_down_current = rc->delay_max_duration; + } + + if (status > rc->status) + delay = rc->delay_up_current; + else + delay = rc->delay_down_current; + + // COMMENTED: because we do need to send raising alarms + // if(now + delay < rc->delay_up_to_timestamp) + // delay = (int)(rc->delay_up_to_timestamp - now); + + rc->delay_last = delay; + rc->delay_up_to_timestamp = now + delay; if(likely(!rrdcalc_isrepeating(rc))) { ALARM_ENTRY *ae = health_create_alarm_entry( @@ -858,14 +858,14 @@ void *health_main(void *ptr) { rc->last_status_change = now; rc->old_status = rc->status; rc->status = status; - } + } - rc->last_updated = now; - rc->next_update = now + rc->update_every; + rc->last_updated = now; + rc->next_update = now + rc->update_every; - if (next_run > rc->next_update) - next_run = rc->next_update; - } + if (next_run > rc->next_update) + next_run = rc->next_update; + } // process repeating alarms RRDCALC *rc; @@ -896,22 +896,22 @@ void *health_main(void *ptr) { } } - rrdhost_unlock(host); - } + rrdhost_unlock(host); + } - if (unlikely(netdata_exit)) - break; + if (unlikely(netdata_exit)) + break; - // execute notifications - // and cleanup - health_alarm_log_process(host); + // execute notifications + // and cleanup + health_alarm_log_process(host); - if (unlikely(netdata_exit)) - break; + if (unlikely(netdata_exit)) + break; - } /* rrdhost_foreach */ + } /* rrdhost_foreach */ - rrd_unlock(); + rrd_unlock(); if(unlikely(netdata_exit)) diff --git a/health/health.d/vsphere.conf b/health/health.d/vsphere.conf new file mode 100644 index 00000000..d8b2be19 --- /dev/null +++ b/health/health.d/vsphere.conf @@ -0,0 +1,157 @@ + +# you can disable an alarm notification by setting the 'to' line to: silent + +# -----------------------------------------------VM Specific------------------------------------------------------------ +# Memory + +template: vsphere_vm_mem_usage + on: vsphere.vm_mem_usage_percentage + hosts: * + calc: $used + units: % + every: 20s + warn: $this > (($status >= $WARNING) ? (80) : (90)) + crit: $this > (($status == $CRITICAL) ? (90) : (98)) + delay: down 15m multiplier 1.5 max 1h + info: used RAM + +# -----------------------------------------------HOST Specific---------------------------------------------------------- +# Memory + +template: vsphere_host_mem_usage + on: vsphere.host_mem_usage_percentage + hosts: * + calc: $used + units: % + every: 20s + warn: $this > (($status >= $WARNING) ? (80) : (90)) + crit: $this > (($status == $CRITICAL) ? (90) : (98)) + delay: down 15m multiplier 1.5 max 1h + info: used RAM + +# Network errors + +template: vsphere_inbound_packets_errors + on: vsphere.net_errors_total + hosts: * +families: * + lookup: sum -10m unaligned absolute match-names of rx + units: packets + every: 1m + warn: $this >= 5 + delay: down 1h multiplier 1.5 max 2h + info: interface inbound dropped packets in the last 10 minutes + to: sysadmin + +template: vsphere_outbound_packets_errors + on: vsphere.net_errors_total + hosts: * +families: * + lookup: sum -10m unaligned absolute match-names of tx + units: packets + every: 1m + warn: $this >= 5 + delay: down 1h multiplier 1.5 max 2h + info: interface outbound dropped packets in the last 10 minutes + to: sysadmin + +# Network errors ratio + +template: vsphere_inbound_packets_errors_ratio + on: vsphere.net_packets_total + hosts: * +families: * + lookup: sum -10m unaligned absolute match-names of rx + calc: (($vsphere_inbound_packets_errors != nan AND $this > 0) ? ($vsphere_inbound_packets_errors * 100 / $this) : (0)) + units: % + every: 1m + warn: $this >= 0.1 + crit: $this >= 2 + delay: down 1h multiplier 1.5 max 2h + info: the ratio of inbound errors vs the total number of received packets of the network interface, during the last 10 minutes + to: sysadmin + +template: vsphere_outbound_packets_errors_ratio + on: vsphere.net_packets_total + hosts: * +families: * + lookup: sum -10m unaligned absolute match-names of tx + calc: (($vsphere_outbound_packets_errors != nan AND $this > 0) ? ($vsphere_outbound_packets_errors * 100 / $this) : (0)) + units: % + every: 1m + warn: $this >= 0.1 + crit: $this >= 2 + delay: down 1h multiplier 1.5 max 2h + info: the ratio of outbound errors vs the total number of sent packets of the network interface, during the last 10 minutes + to: sysadmin + +# -----------------------------------------------Common------------------------------------------------------------------- +# CPU + +template: vsphere_cpu_usage + on: vsphere.cpu_usage_total + hosts: * + lookup: average -10m unaligned match-names of used + units: % + every: 20s + warn: $this > (($status >= $WARNING) ? (75) : (85)) + crit: $this > (($status == $CRITICAL) ? (85) : (95)) + delay: down 15m multiplier 1.5 max 1h + info: cpu utilization for the last 10 minutes + to: sysadmin + +# Network drops + +template: vsphere_inbound_packets_dropped + on: vsphere.net_drops_total + hosts: * +families: * + lookup: sum -10m unaligned absolute match-names of rx + units: packets + every: 1m + warn: $this >= 5 + delay: down 1h multiplier 1.5 max 2h + info: interface inbound dropped packets in the last 10 minutes + to: sysadmin + +template: vsphere_outbound_packets_dropped + on: vsphere.net_drops_total + hosts: * +families: * + lookup: sum -10m unaligned absolute match-names of tx + units: packets + every: 1m + warn: $this >= 5 + delay: down 1h multiplier 1.5 max 2h + info: interface outbound dropped packets in the last 10 minutes + to: sysadmin + +# Network drops ratio + +template: vsphere_inbound_packets_dropped_ratio + on: vsphere.net_packets_total + hosts: * +families: * + lookup: sum -10m unaligned absolute match-names of rx + calc: (($vsphere_inbound_packets_dropped != nan AND $this > 0) ? ($vsphere_inbound_packets_dropped * 100 / $this) : (0)) + units: % + every: 1m + warn: $this >= 0.1 + crit: $this >= 2 + delay: down 1h multiplier 1.5 max 2h + info: the ratio of inbound dropped packets vs the total number of received packets of the network interface, during the last 10 minutes + to: sysadmin + +template: vsphere_outbound_packets_dropped_ratio + on: vsphere.net_packets_total + hosts: * +families: * + lookup: sum -10m unaligned absolute match-names of tx + calc: (($vsphere_outbound_packets_dropped != nan AND $this > 0) ? ($vsphere_outbound_packets_dropped * 100 / $this) : (0)) + units: % + every: 1m + warn: $this >= 0.1 + crit: $this >= 2 + delay: down 1h multiplier 1.5 max 2h + info: the ratio of outbound dropped packets vs the total number of sent packets of the network interface, during the last 10 minutes + to: sysadmin diff --git a/health/health.h b/health/health.h index 6920d12d..6c000bf4 100644 --- a/health/health.h +++ b/health/health.h @@ -58,10 +58,12 @@ extern void *health_main(void *ptr); extern void health_reload(void); extern int health_variable_lookup(const char *variable, uint32_t hash, RRDCALC *rc, calculated_number *result); +extern void health_aggregate_alarms(RRDHOST *host, BUFFER *wb, BUFFER* context, RRDCALC_STATUS status); extern void health_alarms2json(RRDHOST *host, BUFFER *wb, int all); extern void health_alarm_log2json(RRDHOST *host, BUFFER *wb, uint32_t after); void health_api_v1_chart_variables2json(RRDSET *st, BUFFER *buf); +void health_api_v1_chart_custom_variables2json(RRDSET *st, BUFFER *buf); extern int health_alarm_log_open(RRDHOST *host); extern void health_alarm_log_close(RRDHOST *host); diff --git a/health/health_json.c b/health/health_json.c index e923b05c..f6ff1b1a 100644 --- a/health/health_json.c +++ b/health/health_json.c @@ -231,6 +231,43 @@ static inline void health_rrdcalc2json_nolock(RRDHOST *host, BUFFER *wb, RRDCALC // //} +void health_aggregate_alarms(RRDHOST *host, BUFFER *wb, BUFFER* contexts, RRDCALC_STATUS status) { + RRDCALC *rc; + int numberOfAlarms = 0; + char *tok = NULL; + char *p = NULL; + + rrdhost_rdlock(host); + + if (contexts) { + p = (char*)buffer_tostring(contexts); + while(p && *p && (tok = mystrsep(&p, ", |"))) { + if(!*tok) continue; + + for(rc = host->alarms; rc ; rc = rc->next) { + if(unlikely(!rc->rrdset || !rc->rrdset->last_collected_time.tv_sec)) + continue; + if(unlikely(rc->rrdset && rc->rrdset->hash_context == simple_hash(tok) + && !strcmp(rc->rrdset->context, tok) + && ((status==RRDCALC_STATUS_RAISED)?(rc->status >= RRDCALC_STATUS_WARNING):rc->status == status))) + numberOfAlarms++; + } + } + } + else { + for(rc = host->alarms; rc ; rc = rc->next) { + if(unlikely(!rc->rrdset || !rc->rrdset->last_collected_time.tv_sec)) + continue; + + if(unlikely((status==RRDCALC_STATUS_RAISED)?(rc->status >= RRDCALC_STATUS_WARNING):rc->status == status)) + numberOfAlarms++; + } + } + + buffer_sprintf(wb, "%d", numberOfAlarms); + rrdhost_unlock(host); +} + void health_alarms2json(RRDHOST *host, BUFFER *wb, int all) { int i; diff --git a/health/notifications/Makefile.in b/health/notifications/Makefile.in new file mode 100644 index 00000000..16a89b58 --- /dev/null +++ b/health/notifications/Makefile.in @@ -0,0 +1,821 @@ +# Makefile.in generated by automake 1.15.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2017 Free Software Foundation, Inc. + +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +# SPDX-License-Identifier: GPL-3.0-or-later + +# SPDX-License-Identifier: GPL-3.0-or-later + +# THIS IS NOT A COMPLETE Makefile +# IT IS INCLUDED BY ITS PARENT'S Makefile.am +# IT IS REQUIRED TO REFERENCE ALL FILES RELATIVE TO THE PARENT + +# SPDX-License-Identifier: GPL-3.0-or-later + +# THIS IS NOT A COMPLETE Makefile +# IT IS INCLUDED BY ITS PARENT'S Makefile.am +# IT IS REQUIRED TO REFERENCE ALL FILES RELATIVE TO THE PARENT + +# SPDX-License-Identifier: GPL-3.0-or-later + +# THIS IS NOT A COMPLETE Makefile +# IT IS INCLUDED BY ITS PARENT'S Makefile.am +# IT IS REQUIRED TO REFERENCE ALL FILES RELATIVE TO THE PARENT + +# SPDX-License-Identifier: GPL-3.0-or-later + +# THIS IS NOT A COMPLETE Makefile +# IT IS INCLUDED BY ITS PARENT'S Makefile.am +# IT IS REQUIRED TO REFERENCE ALL FILES RELATIVE TO THE PARENT + +# SPDX-License-Identifier: GPL-3.0-or-later + +# THIS IS NOT A COMPLETE Makefile +# IT IS INCLUDED BY ITS PARENT'S Makefile.am +# IT IS REQUIRED TO REFERENCE ALL FILES RELATIVE TO THE PARENT + +# SPDX-License-Identifier: GPL-3.0-or-later + +# THIS IS NOT A COMPLETE Makefile +# IT IS INCLUDED BY ITS PARENT'S Makefile.am +# IT IS REQUIRED TO REFERENCE ALL FILES RELATIVE TO THE PARENT + +# SPDX-License-Identifier: GPL-3.0-or-later + +# THIS IS NOT A COMPLETE Makefile +# IT IS INCLUDED BY ITS PARENT'S Makefile.am +# IT IS REQUIRED TO REFERENCE ALL FILES RELATIVE TO THE PARENT + +# SPDX-License-Identifier: GPL-3.0-or-later + +# THIS IS NOT A COMPLETE Makefile +# IT IS INCLUDED BY ITS PARENT'S Makefile.am +# IT IS REQUIRED TO REFERENCE ALL FILES RELATIVE TO THE PARENT + +# SPDX-License-Identifier: GPL-3.0-or-later + +# THIS IS 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IS INCLUDED BY ITS PARENT'S Makefile.am +# IT IS REQUIRED TO REFERENCE ALL FILES RELATIVE TO THE PARENT + +# SPDX-License-Identifier: GPL-3.0-or-later + +# THIS IS NOT A COMPLETE Makefile +# IT IS INCLUDED BY ITS PARENT'S Makefile.am +# IT IS REQUIRED TO REFERENCE ALL FILES RELATIVE TO THE PARENT + +# SPDX-License-Identifier: GPL-3.0-or-later + +# THIS IS NOT A COMPLETE Makefile +# IT IS INCLUDED BY ITS PARENT'S Makefile.am +# IT IS REQUIRED TO REFERENCE ALL FILES RELATIVE TO THE PARENT + +# SPDX-License-Identifier: GPL-3.0-or-later + +# THIS IS NOT A COMPLETE Makefile +# IT IS INCLUDED BY ITS PARENT'S Makefile.am +# IT IS REQUIRED TO REFERENCE ALL FILES RELATIVE TO THE PARENT + +# SPDX-License-Identifier: GPL-3.0-or-later + +# THIS IS NOT A COMPLETE Makefile +# IT IS INCLUDED BY ITS PARENT'S Makefile.am +# IT IS REQUIRED TO REFERENCE ALL FILES RELATIVE TO THE PARENT + +# SPDX-License-Identifier: GPL-3.0-or-later + +# THIS IS NOT A COMPLETE Makefile +# IT IS INCLUDED BY ITS PARENT'S 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false; \ + fi + +# 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/health/notifications/README.md b/health/notifications/README.md index 8c7ab66f..a0065729 100644 --- a/health/notifications/README.md +++ b/health/notifications/README.md @@ -7,9 +7,9 @@ You can change the default script globally by editing `/etc/netdata/netdata.conf `alarm-notify.sh` is capable of sending notifications: -- to multiple recipients -- using multiple notification methods -- filtering severity per recipient +- to multiple recipients +- using multiple notification methods +- filtering severity per recipient It uses **roles**. For example `sysadmin`, `webmaster`, `dba`, etc. @@ -23,23 +23,23 @@ Each role may have one or more destinations. So, for example the `sysadmin` role may send: -1. emails to admin1@example.com and admin2@example.com -2. pushover.net notifications to USERTOKENS `A`, `B` and `C`. -3. pushbullet.com push notifications to admin1@example.com and admin2@example.com -4. messages to slack.com channel `#alarms` and `#systems`. -5. messages to Discord channels `#alarms` and `#systems`. +1. emails to admin1@example.com and admin2@example.com +2. pushover.net notifications to USERTOKENS `A`, `B` and `C`. +3. pushbullet.com push notifications to admin1@example.com and admin2@example.com +4. messages to slack.com channel `#alarms` and `#systems`. +5. messages to Discord channels `#alarms` and `#systems`. ## Configuration Edit [`/etc/netdata/health_alarm_notify.conf`](health_alarm_notify.conf) by running `/etc/netdata/edit-config health_alarm_notify.conf`: -- settings per notification method: +- settings per notification method: - all notification methods except email, require some configuration - (i.e. API keys, tokens, destination rooms, channels, etc). + all notification methods except email, require some configuration + (i.e. API keys, tokens, destination rooms, channels, etc). -2. **recipients** per **role** per **notification method** +2. **recipients** per **role** per **notification method** ## Testing Notifications @@ -62,8 +62,10 @@ export NETDATA_ALARM_NOTIFY_DEBUG=1 Note that in versions before 1.16, the plugins.d directory may be installed in a different location in certain OSs (e.g. under `/usr/lib/netdata`). You can always find the location of the alarm-notify.sh script in `netdata.conf`. If you need to dig even deeper, you can trace the execution with `bash -x`. Note that in test mode, alarm-notify.sh calls itself with many more arguments. So first do - ```sh - bash -x /usr/libexec/netdata/plugins.d/alarm-notify.sh test - ``` + +```sh +bash -x /usr/libexec/netdata/plugins.d/alarm-notify.sh test +``` + Then look in the output for the alarm-notify.sh calls and run the one you want to trace with `bash -x`. -[]() +[](<>) diff --git a/health/notifications/alarm-notify.sh b/health/notifications/alarm-notify.sh new file mode 100644 index 00000000..745a5257 --- /dev/null +++ b/health/notifications/alarm-notify.sh @@ -0,0 +1,2298 @@ +#!/usr/bin/env bash +#shellcheck source=/dev/null disable=SC2086,SC2154 + +# netdata +# real-time performance and health monitoring, done right! +# (C) 2017 Costa Tsaousis <costa@tsaousis.gr> +# SPDX-License-Identifier: GPL-3.0-or-later +# +# Script to send alarm notifications for netdata +# +# Features: +# - multiple notification methods +# - multiple roles per alarm +# - multiple recipients per role +# - severity filtering per recipient +# +# Supported notification methods: +# - emails by @ktsaou +# - slack.com notifications by @ktsaou +# - alerta.io notifications by @kattunga +# - discordapp.com notifications by @lowfive +# - pushover.net notifications by @ktsaou +# - pushbullet.com push notifications by Tiago Peralta @tperalta82 #1070 +# - telegram.org notifications by @hashworks #1002 +# - twilio.com notifications by Levi Blaney @shadycuz #1211 +# - kafka notifications by @ktsaou #1342 +# - pagerduty.com notifications by Jim Cooley @jimcooley #1373 +# - messagebird.com notifications by @tech_no_logical #1453 +# - hipchat notifications by @ktsaou #1561 +# - fleep notifications by @Ferroin +# - prowlapp.com notifications by @Ferroin +# - custom notifications by @ktsaou +# - syslog messages by @Ferroin +# - Microsoft Team notification by @tioumen +# - RocketChat notifications by @Hermsi1337 #3777 + +# ----------------------------------------------------------------------------- +# testing notifications + +if { [ "${1}" = "test" ] || [ "${2}" = "test" ]; } && [ "${#}" -le 2 ]; then + if [ "${2}" = "test" ]; then + recipient="${1}" + else + recipient="${2}" + fi + + [ -z "${recipient}" ] && recipient="sysadmin" + + id=1 + last="CLEAR" + test_res=0 + for x in "WARNING" "CRITICAL" "CLEAR"; do + echo >&2 + echo >&2 "# SENDING TEST ${x} ALARM TO ROLE: ${recipient}" + + "${0}" "${recipient}" "$(hostname)" 1 1 "${id}" "$(date +%s)" "test_alarm" "test.chart" "test.family" "${x}" "${last}" 100 90 "${0}" 1 $((0 + id)) "units" "this is a test alarm to verify notifications work" "new value" "old value" "evaluated expression" "expression variable values" 0 0 + #shellcheck disable=SC2181 + if [ $? -ne 0 ]; then + echo >&2 "# FAILED" + test_res=1 + else + echo >&2 "# OK" + fi + + last="${x}" + id=$((id + 1)) + done + + exit $test_res +fi + +export PATH="${PATH}:/sbin:/usr/sbin:/usr/local/sbin" +export LC_ALL=C + +# ----------------------------------------------------------------------------- + +PROGRAM_NAME="$(basename "${0}")" + +logdate() { + date "+%Y-%m-%d %H:%M:%S" +} + +log() { + local status="${1}" + shift + + echo >&2 "$(logdate): ${PROGRAM_NAME}: ${status}: ${*}" + +} + +warning() { + log WARNING "${@}" +} + +error() { + log ERROR "${@}" +} + +info() { + log INFO "${@}" +} + +fatal() { + log FATAL "${@}" + exit 1 +} + +debug=${NETDATA_ALARM_NOTIFY_DEBUG-0} +debug() { + [ "${debug}" = "1" ] && log DEBUG "${@}" +} + +docurl() { + if [ -z "${curl}" ]; then + error "${curl} is unset." + return 1 + fi + + if [ "${debug}" = "1" ]; then + echo >&2 "--- BEGIN curl command ---" + printf >&2 "%q " ${curl} "${@}" + echo >&2 + echo >&2 "--- END curl command ---" + + local out code ret + out=$(mktemp /tmp/netdata-health-alarm-notify-XXXXXXXX) + code=$(${curl} ${curl_options} --write-out "%{http_code}" --output "${out}" --silent --show-error "${@}") + ret=$? + echo >&2 "--- BEGIN received response ---" + cat >&2 "${out}" + echo >&2 + echo >&2 "--- END received response ---" + echo >&2 "RECEIVED HTTP RESPONSE CODE: ${code}" + rm "${out}" + echo "${code}" + return ${ret} + fi + + ${curl} ${curl_options} --write-out "%{http_code}" --output /dev/null --silent --show-error "${@}" + return $? +} + +# ----------------------------------------------------------------------------- +# List of all the notification mechanisms we support. +# Used in a couple of places to write more compact code. + +method_names=" +email +pushover +pushbullet +telegram +slack +alerta +flock +discord +hipchat +twilio +messagebird +pd +fleep +syslog +custom +msteam +kavenegar +prowl +awssns +rocketchat +sms +" + +# ----------------------------------------------------------------------------- +# this is to be overwritten by the config file + +custom_sender() { + info "not sending custom notification for ${status} of '${host}.${chart}.${name}'" +} + +# ----------------------------------------------------------------------------- + +# check for BASH v4+ (required for associative arrays) +if [ ${BASH_VERSINFO[0]} -lt 4 ]; then + fatal "BASH version 4 or later is required (this is ${BASH_VERSION})." +fi + +# ----------------------------------------------------------------------------- +# defaults to allow running this script by hand + +[ -z "${NETDATA_USER_CONFIG_DIR}" ] && NETDATA_USER_CONFIG_DIR="/etc/netdata" +[ -z "${NETDATA_STOCK_CONFIG_DIR}" ] && NETDATA_STOCK_CONFIG_DIR="/usr/lib/netdata/conf.d" +[ -z "${NETDATA_CACHE_DIR}" ] && NETDATA_CACHE_DIR="/var/cache/netdata" +[ -z "${NETDATA_REGISTRY_URL}" ] && NETDATA_REGISTRY_URL="https://registry.my-netdata.io" +[ -z "${NETDATA_REGISTRY_CLOUD_BASE_URL}" ] && NETDATA_REGISTRY_CLOUD_BASE_URL="https://netdata.cloud" + +# ----------------------------------------------------------------------------- +# parse command line parameters + +if [ ${1} = "unittest" ]; then + unittest=1 # enable unit testing mode + roles="${2}" # the role that should be used for unit testing + cfgfile="${3}" # the location of the config file to use for unit testing + status="${4}" # the current status : REMOVED, UNINITIALIZED, UNDEFINED, CLEAR, WARNING, CRITICAL + old_status="${5}" # the previous status: REMOVED, UNINITIALIZED, UNDEFINED, CLEAR, WARNING, CRITICAL +else + roles="${1}" # the roles that should be notified for this event + args_host="${2}" # the host generated this event + unique_id="${3}" # the unique id of this event + alarm_id="${4}" # the unique id of the alarm that generated this event + event_id="${5}" # the incremental id of the event, for this alarm id + when="${6}" # the timestamp this event occurred + name="${7}" # the name of the alarm, as given in netdata health.d entries + chart="${8}" # the name of the chart (type.id) + family="${9}" # the family of the chart + status="${10}" # the current status : REMOVED, UNINITIALIZED, UNDEFINED, CLEAR, WARNING, CRITICAL + old_status="${11}" # the previous status: REMOVED, UNINITIALIZED, UNDEFINED, CLEAR, WARNING, CRITICAL + value="${12}" # the current value of the alarm + old_value="${13}" # the previous value of the alarm + src="${14}" # the line number and file the alarm has been configured + duration="${15}" # the duration in seconds of the previous alarm state + non_clear_duration="${16}" # the total duration in seconds this is/was non-clear + units="${17}" # the units of the value + info="${18}" # a short description of the alarm + value_string="${19}" # friendly value (with units) + # shellcheck disable=SC2034 + # variable is unused, but https://github.com/netdata/netdata/pull/5164#discussion_r255572947 + old_value_string="${20}" # friendly old value (with units), previously named "old_value_string" + calc_expression="${21}" # contains the expression that was evaluated to trigger the alarm + calc_param_values="${22}" # the values of the parameters in the expression, at the time of the evaluation + total_warnings="${23}" # Total number of alarms in WARNING state + total_critical="${24}" # Total number of alarms in CRITICAL state +fi + +# ----------------------------------------------------------------------------- +# find a suitable hostname to use, if netdata did not supply a hostname + +if [ -z ${args_host} ]; then + this_host=$(hostname -s 2>/dev/null) + host="${this_host}" + args_host="${this_host}" +else + host="${args_host}" +fi + +# ----------------------------------------------------------------------------- +# screen statuses we don't need to send a notification + +# don't do anything if this is not WARNING, CRITICAL or CLEAR +if [ "${status}" != "WARNING" ] && [ "${status}" != "CRITICAL" ] && [ "${status}" != "CLEAR" ]; then + info "not sending notification for ${status} of '${host}.${chart}.${name}'" + exit 1 +fi + +# don't do anything if this is CLEAR, but it was not WARNING or CRITICAL +if [ "${clear_alarm_always}" != "YES" ] && [ "${old_status}" != "WARNING" ] && [ "${old_status}" != "CRITICAL" ] && [ "${status}" = "CLEAR" ]; then + info "not sending notification for ${status} of '${host}.${chart}.${name}' (last status was ${old_status})" + exit 1 +fi + +# ----------------------------------------------------------------------------- +# load configuration + +# By default fetch images from the global public registry. +# This is required by default, since all notification methods need to download +# images via the Internet, and private registries might not be reachable. +# This can be overwritten at the configuration file. +images_base_url="https://registry.my-netdata.io" + +# curl options to use +curl_options="" + +# hostname handling +use_fqdn="NO" + +# needed commands +# if empty they will be searched in the system path +curl= +sendmail= + +# enable / disable features +for method_name in ${method_names^^}; do + declare SEND_${method_name}="YES" + declare DEFAULT_RECIPIENT_${method_name} +done + +for method_name in ${method_names}; do + declare -A role_recipients_${method_name} +done + +# slack configs +SLACK_WEBHOOK_URL= + +# Microsoft Team configs +MSTEAM_WEBHOOK_URL= + +# rocketchat configs +ROCKETCHAT_WEBHOOK_URL= + +# alerta configs +ALERTA_WEBHOOK_URL= +ALERTA_API_KEY= + +# flock configs +FLOCK_WEBHOOK_URL= + +# discord configs +DISCORD_WEBHOOK_URL= + +# pushover configs +PUSHOVER_APP_TOKEN= + +# pushbullet configs +PUSHBULLET_ACCESS_TOKEN= +PUSHBULLET_SOURCE_DEVICE= + +# twilio configs +TWILIO_ACCOUNT_SID= +TWILIO_ACCOUNT_TOKEN= +TWILIO_NUMBER= + +# hipchat configs +HIPCHAT_SERVER= +HIPCHAT_AUTH_TOKEN= + +# messagebird configs +MESSAGEBIRD_ACCESS_KEY= +MESSAGEBIRD_NUMBER= + +# kavenegar configs +KAVENEGAR_API_KEY= +KAVENEGAR_SENDER= + +# telegram configs +TELEGRAM_BOT_TOKEN= + +# kafka configs +SEND_KAFKA="YES" +KAFKA_URL= +KAFKA_SENDER_IP= + +# pagerduty.com configs +PD_SERVICE_KEY= + +# fleep.io configs +FLEEP_SENDER="${host}" + +# Amazon SNS configs +AWSSNS_MESSAGE_FORMAT= + +# syslog configs +SYSLOG_FACILITY= + +# email configs +EMAIL_SENDER= +EMAIL_CHARSET=$(locale charmap 2>/dev/null) +EMAIL_THREADING= +EMAIL_PLAINTEXT_ONLY= + +# irc configs +IRC_NICKNAME= +IRC_REALNAME= +IRC_NETWORK= + +# load the stock and user configuration files +# these will overwrite the variables above + +if [ ${unittest} ]; then + if source "${cfgfile}"; then + error "Failed to load requested config file." + exit 1 + fi +else + for CONFIG in "${NETDATA_STOCK_CONFIG_DIR}/health_alarm_notify.conf" "${NETDATA_USER_CONFIG_DIR}/health_alarm_notify.conf"; do + if [ -f "${CONFIG}" ]; then + debug "Loading config file '${CONFIG}'..." + source "${CONFIG}" || error "Failed to load config file '${CONFIG}'." + else + warning "Cannot find file '${CONFIG}'." + fi + done +fi + +# If we didn't autodetect the character set for e-mail and it wasn't +# set by the user, we need to set it to a reasonable default. UTF-8 +# should be correct for almost all modern UNIX systems. +if [ -z ${EMAIL_CHARSET} ]; then + EMAIL_CHARSET="UTF-8" +fi + +# If we've been asked to use FQDN's for the URL's in the alarm, do so, +# unless we're sending an alarm for a slave system which we can't get the +# FQDN of easily. +if [ "${use_fqdn}" = "YES" ] && [ "${host}" = "$(hostname -s 2>/dev/null)" ]; then + host="$(hostname -f 2>/dev/null)" +fi + +# ----------------------------------------------------------------------------- +# filter a recipient based on alarm event severity + +filter_recipient_by_criticality() { + local method="${1}" x="${2}" r s + shift + + r="${x/|*/}" # the recipient + s="${x/*|/}" # the severity required for notifying this recipient + + # no severity filtering for this person + [ "${r}" = "${s}" ] && return 0 + + # the severity is invalid + s="${s^^}" + if [ "${s}" != "CRITICAL" ]; then + error "SEVERITY FILTERING for ${x} VIA ${method}: invalid severity '${s,,}', only 'critical' is supported." + return 0 + fi + + # create the status tracking directory for this user + [ ! -d "${NETDATA_CACHE_DIR}/alarm-notify/${method}/${r}" ] && + mkdir -p "${NETDATA_CACHE_DIR}/alarm-notify/${method}/${r}" + + case "${status}" in + CRITICAL) + # make sure he will get future notifications for this alarm too + touch "${NETDATA_CACHE_DIR}/alarm-notify/${method}/${r}/${alarm_id}" + debug "SEVERITY FILTERING for ${x} VIA ${method}: ALLOW: the alarm is CRITICAL (will now receive next status change)" + return 0 + ;; + + WARNING) + if [ -f "${NETDATA_CACHE_DIR}/alarm-notify/${method}/${r}/${alarm_id}" ]; then + # we do not remove the file, so that he will get future notifications of this alarm + debug "SEVERITY FILTERING for ${x} VIA ${method}: ALLOW: recipient has been notified for this alarm in the past (will still receive next status change)" + return 0 + fi + ;; + + *) + if [ -f "${NETDATA_CACHE_DIR}/alarm-notify/${method}/${r}/${alarm_id}" ]; then + # remove the file, so that he will only receive notifications for CRITICAL states for this alarm + rm "${NETDATA_CACHE_DIR}/alarm-notify/${method}/${r}/${alarm_id}" + debug "SEVERITY FILTERING for ${x} VIA ${method}: ALLOW: recipient has been notified for this alarm (will only receive CRITICAL notifications from now on)" + return 0 + fi + ;; + esac + + debug "SEVERITY FILTERING for ${x} VIA ${method}: BLOCK: recipient should not receive this notification" + return 1 +} + +# ----------------------------------------------------------------------------- +# verify the delivery methods supported + +# check slack +[ -z "${SLACK_WEBHOOK_URL}" ] && SEND_SLACK="NO" + +# check rocketchat +[ -z "${ROCKETCHAT_WEBHOOK_URL}" ] && SEND_ROCKETCHAT="NO" + +# check alerta +[ -z "${ALERTA_WEBHOOK_URL}" ] && SEND_ALERTA="NO" + +# check flock +[ -z "${FLOCK_WEBHOOK_URL}" ] && SEND_FLOCK="NO" + +# check discord +[ -z "${DISCORD_WEBHOOK_URL}" ] && SEND_DISCORD="NO" + +# check pushover +[ -z "${PUSHOVER_APP_TOKEN}" ] && SEND_PUSHOVER="NO" + +# check pushbullet +[ -z "${PUSHBULLET_ACCESS_TOKEN}" ] && SEND_PUSHBULLET="NO" + +# check twilio +{ [ -z "${TWILIO_ACCOUNT_TOKEN}" ] || [ -z "${TWILIO_ACCOUNT_SID}" ] || [ -z "${TWILIO_NUMBER}" ]; } && SEND_TWILIO="NO" + +# check hipchat +[ -z "${HIPCHAT_AUTH_TOKEN}" ] && SEND_HIPCHAT="NO" + +# check messagebird +{ [ -z "${MESSAGEBIRD_ACCESS_KEY}" ] || [ -z "${MESSAGEBIRD_NUMBER}" ]; } && SEND_MESSAGEBIRD="NO" + +# check kavenegar +{ [ -z "${KAVENEGAR_API_KEY}" ] || [ -z "${KAVENEGAR_SENDER}" ]; } && SEND_KAVENEGAR="NO" + +# check telegram +[ -z "${TELEGRAM_BOT_TOKEN}" ] && SEND_TELEGRAM="NO" + +# check kafka +{ [ -z "${KAFKA_URL}" ] || [ -z "${KAFKA_SENDER_IP}" ]; } && SEND_KAFKA="NO" + +# check irc +[ -z "${IRC_NETWORK}" ] && SEND_IRC="NO" + +# check fleep +#shellcheck disable=SC2153 +{ [ -z "${FLEEP_SERVER}" ] || [ -z "${FLEEP_SENDER}" ]; } && SEND_FLEEP="NO" + +if [ "${SEND_PUSHOVER}" = "YES" ] || + [ "${SEND_SLACK}" = "YES" ] || + [ "${SEND_ROCKETCHAT}" = "YES" ] || + [ "${SEND_ALERTA}" = "YES" ] || + [ "${SEND_PD}" = "YES" ] || + [ "${SEND_FLOCK}" = "YES" ] || + [ "${SEND_DISCORD}" = "YES" ] || + [ "${SEND_HIPCHAT}" = "YES" ] || + [ "${SEND_TWILIO}" = "YES" ] || + [ "${SEND_MESSAGEBIRD}" = "YES" ] || + [ "${SEND_KAVENEGAR}" = "YES" ] || + [ "${SEND_TELEGRAM}" = "YES" ] || + [ "${SEND_PUSHBULLET}" = "YES" ] || + [ "${SEND_KAFKA}" = "YES" ] || + [ "${SEND_FLEEP}" = "YES" ] || + [ "${SEND_PROWL}" = "YES" ] || + [ "${SEND_CUSTOM}" = "YES" ] || + [ "${SEND_MSTEAM}" = "YES" ]; then + # if we need curl, check for the curl command + if [ -z "${curl}" ]; then + curl="$(command -v curl 2>/dev/null)" + fi + if [ -z "${curl}" ]; then + error "Cannot find curl command in the system path. Disabling all curl based notifications." + SEND_PUSHOVER="NO" + SEND_PUSHBULLET="NO" + SEND_TELEGRAM="NO" + SEND_SLACK="NO" + SEND_MSTEAM="NO" + SEND_ROCKETCHAT="NO" + SEND_ALERTA="NO" + SEND_PD="NO" + SEND_FLOCK="NO" + SEND_DISCORD="NO" + SEND_TWILIO="NO" + SEND_HIPCHAT="NO" + SEND_MESSAGEBIRD="NO" + SEND_KAVENEGAR="NO" + SEND_KAFKA="NO" + SEND_FLEEP="NO" + SEND_PROWL="NO" + SEND_CUSTOM="NO" + fi +fi + +if [ "${SEND_SMS}" = "YES" ]; then + if [ -z "${sendsms}" ]; then + sendsms="$(command -v sendsms 2>/dev/null)" + fi + if [ -z "${sendsms}" ]; then + SEND_SMS="NO" + fi +fi +# if we need sendmail, check for the sendmail command +if [ "${SEND_EMAIL}" = "YES" ] && [ -z "${sendmail}" ]; then + sendmail="$(command -v sendmail 2>/dev/null)" + if [ -z "${sendmail}" ]; then + debug "Cannot find sendmail command in the system path. Disabling email notifications." + SEND_EMAIL="NO" + fi +fi + +# if we need logger, check for the logger command +if [ "${SEND_SYSLOG}" = "YES" ] && [ -z "${logger}" ]; then + logger="$(command -v logger 2>/dev/null)" + if [ -z "${logger}" ]; then + debug "Cannot find logger command in the system path. Disabling syslog notifications." + SEND_SYSLOG="NO" + fi +fi + +# if we need aws, check for the aws command +if [ "${SEND_AWSSNS}" = "YES" ] && [ -z "${aws}" ]; then + aws="$(command -v aws 2>/dev/null)" + if [ -z "${aws}" ]; then + debug "Cannot find aws command in the system path. Disabling Amazon SNS notifications." + SEND_AWSSNS="NO" + fi +fi + +# ----------------------------------------------------------------------------- +# find the recipients' addresses per method + +# netdata may call us with multiple roles, and roles may have multiple but +# overlapping recipients - so, here we find the unique recipients. +for method_name in ${method_names}; do + send_var="SEND_${method_name^^}" + if [ "${!send_var}" = "NO" ]; then + continue + fi + + declare -A arr_var=() + + for x in ${roles//,/ }; do + # the roles 'silent' and 'disabled' mean: + # don't send a notification for this role + if [ "${x}" = "silent" ] || [ "${x}" = "disabled" ]; then + continue + fi + + role_recipients="role_recipients_${method_name}[$x]" + default_recipient_var="DEFAULT_RECIPIENT_${method_name^^}" + + a="${!role_recipients}" + [ -z "${a}" ] && a="${!default_recipient_var}" + for r in ${a//,/ }; do + [ "${r}" != "disabled" ] && filter_recipient_by_criticality ${method_name} "${r}" && arr_var[${r/|*/}]="1" + done + done + + # build the list of recipients + to_var="to_${method_name}" + declare to_${method_name}="${!arr_var[*]}" + + [ -z "${!to_var}" ] && declare ${send_var}="NO" +done + +# ----------------------------------------------------------------------------- +# handle fixup of the email recipient list. + +fix_to_email() { + to_email= + while [ -n "${1}" ]; do + [ -n "${to_email}" ] && to_email="${to_email}, " + to_email="${to_email}${1}" + shift 1 + done +} + +# ${to_email} without quotes here +fix_to_email ${to_email} + +# ----------------------------------------------------------------------------- +# handle output if we're running in unit test mode +if [ ${unittest} ]; then + for method_name in ${method_names}; do + to_var="to_${method_name}" + echo "results: ${method_name}: ${!to_var}" + done + exit 0 +fi + +# ----------------------------------------------------------------------------- +# check that we have at least a method enabled +proceed=0 +for method in "${SEND_EMAIL}" \ + "${SEND_PUSHOVER}" \ + "${SEND_TELEGRAM}" \ + "${SEND_SLACK}" \ + "${SEND_ROCKETCHAT}" \ + "${SEND_ALERTA}" \ + "${SEND_FLOCK}" \ + "${SEND_DISCORD}" \ + "${SEND_TWILIO}" \ + "${SEND_HIPCHAT}" \ + "${SEND_MESSAGEBIRD}" \ + "${SEND_KAVENEGAR}" \ + "${SEND_PUSHBULLET}" \ + "${SEND_KAFKA}" \ + "${SEND_PD}" \ + "${SEND_FLEEP}" \ + "${SEND_PROWL}" \ + "${SEND_CUSTOM}" \ + "${SEND_IRC}" \ + "${SEND_AWSSNS}" \ + "${SEND_SYSLOG}" \ + "${SEND_SMS}" \ + "${SEND_MSTEAM}"; do + if [ "${method}" == "YES" ]; then + proceed=1 + break + fi +done +if [ "$proceed" -eq 0 ]; then + fatal "All notification methods are disabled. Not sending notification for host '${host}', chart '${chart}' to '${roles}' for '${name}' = '${value}' for status '${status}'." +fi + +# ----------------------------------------------------------------------------- +# get the date the alarm happened + +date=$(date --date=@${when} "${date_format}" 2>/dev/null) +[ -z "${date}" ] && date=$(date "${date_format}" 2>/dev/null) +[ -z "${date}" ] && date=$(date --date=@${when} 2>/dev/null) +[ -z "${date}" ] && date=$(date 2>/dev/null) + +# ---------------------------------------------------------------------------- +# prepare some extra headers if we've been asked to thread e-mails +if [ "${SEND_EMAIL}" == "YES" ] && [ "${EMAIL_THREADING}" != "NO" ]; then + email_thread_headers="In-Reply-To: <${chart}-${name}@${host}>\\r\\nReferences: <${chart}-${name}@${host}>" +else + email_thread_headers= +fi + +# ----------------------------------------------------------------------------- +# function to URL encode a string + +urlencode() { + local string="${1}" strlen encoded pos c o + + strlen=${#string} + for ((pos = 0; pos < strlen; pos++)); do + c=${string:pos:1} + case "${c}" in + [-_.~a-zA-Z0-9]) + o="${c}" + ;; + + *) + printf -v o '%%%02x' "'${c}" + ;; + esac + encoded+="${o}" + done + + REPLY="${encoded}" + echo "${REPLY}" +} + +# ----------------------------------------------------------------------------- +# function to convert a duration in seconds, to a human readable duration +# using DAYS, MINUTES, SECONDS + +duration4human() { + local s="${1}" d=0 h=0 m=0 ds="day" hs="hour" ms="minute" ss="second" ret + d=$((s / 86400)) + s=$((s - (d * 86400))) + h=$((s / 3600)) + s=$((s - (h * 3600))) + m=$((s / 60)) + s=$((s - (m * 60))) + + if [ ${d} -gt 0 ]; then + [ ${m} -ge 30 ] && h=$((h + 1)) + [ ${d} -gt 1 ] && ds="days" + [ ${h} -gt 1 ] && hs="hours" + if [ ${h} -gt 0 ]; then + ret="${d} ${ds} and ${h} ${hs}" + else + ret="${d} ${ds}" + fi + elif [ ${h} -gt 0 ]; then + [ ${s} -ge 30 ] && m=$((m + 1)) + [ ${h} -gt 1 ] && hs="hours" + [ ${m} -gt 1 ] && ms="minutes" + if [ ${m} -gt 0 ]; then + ret="${h} ${hs} and ${m} ${ms}" + else + ret="${h} ${hs}" + fi + elif [ ${m} -gt 0 ]; then + [ ${m} -gt 1 ] && ms="minutes" + [ ${s} -gt 1 ] && ss="seconds" + if [ ${s} -gt 0 ]; then + ret="${m} ${ms} and ${s} ${ss}" + else + ret="${m} ${ms}" + fi + else + [ ${s} -gt 1 ] && ss="seconds" + ret="${s} ${ss}" + fi + + REPLY="${ret}" + echo "${REPLY}" +} + +# ----------------------------------------------------------------------------- +# email sender + +send_email() { + local ret opts=() sender_email="${EMAIL_SENDER}" sender_name= + if [ "${SEND_EMAIL}" = "YES" ]; then + + if [ -n "${EMAIL_SENDER}" ]; then + if [[ ${EMAIL_SENDER} =~ ^\".*\"\ \<.*\>$ ]]; then + # the name includes double quotes + sender_email="$(echo "${EMAIL_SENDER}" | cut -d '<' -f 2 | cut -d '>' -f 1)" + sender_name="$(echo "${EMAIL_SENDER}" | cut -d '"' -f 2)" + elif [[ ${EMAIL_SENDER} =~ ^\'.*\'\ \<.*\>$ ]]; then + # the name includes single quotes + sender_email="$(echo "${EMAIL_SENDER}" | cut -d '<' -f 2 | cut -d '>' -f 1)" + sender_name="$(echo "${EMAIL_SENDER}" | cut -d "'" -f 2)" + elif [[ ${EMAIL_SENDER} =~ ^.*\ \<.*\>$ ]]; then + # the name does not have any quotes + sender_email="$(echo "${EMAIL_SENDER}" | cut -d '<' -f 2 | cut -d '>' -f 1)" + sender_name="$(echo "${EMAIL_SENDER}" | cut -d '<' -f 1)" + fi + fi + + [ -n "${sender_email}" ] && opts+=(-f "${sender_email}") + [ -n "${sender_name}" ] && opts+=(-F "${sender_name}") + + if [ "${debug}" = "1" ]; then + echo >&2 "--- BEGIN sendmail command ---" + printf >&2 "%q " "${sendmail}" -t "${opts[@]}" + echo >&2 + echo >&2 "--- END sendmail command ---" + fi + + "${sendmail}" -t "${opts[@]}" + ret=$? + + if [ ${ret} -eq 0 ]; then + info "sent email notification for: ${host} ${chart}.${name} is ${status} to '${to_email}'" + return 0 + else + error "failed to send email notification for: ${host} ${chart}.${name} is ${status} to '${to_email}' with error code ${ret}." + return 1 + fi + fi + + return 1 +} + +# ----------------------------------------------------------------------------- +# pushover sender + +send_pushover() { + local apptoken="${1}" usertokens="${2}" when="${3}" url="${4}" status="${5}" title="${6}" message="${7}" httpcode sent=0 user priority + + if [ "${SEND_PUSHOVER}" = "YES" ] && [ -n "${apptoken}" ] && [ -n "${usertokens}" ] && [ -n "${title}" ] && [ -n "${message}" ]; then + + # https://pushover.net/api + priority=-2 + case "${status}" in + CLEAR) priority=-1 ;; # low priority: no sound or vibration + WARNING) priority=0 ;; # normal priority: respect quiet hours + CRITICAL) priority=1 ;; # high priority: bypass quiet hours + *) priority=-2 ;; # lowest priority: no notification at all + esac + + for user in ${usertokens}; do + httpcode=$(docurl \ + --form-string "token=${apptoken}" \ + --form-string "user=${user}" \ + --form-string "html=1" \ + --form-string "title=${title}" \ + --form-string "message=${message}" \ + --form-string "timestamp=${when}" \ + --form-string "url=${url}" \ + --form-string "url_title=Open netdata dashboard to view the alarm" \ + --form-string "priority=${priority}" \ + https://api.pushover.net/1/messages.json) + + if [ "${httpcode}" = "200" ]; then + info "sent pushover notification for: ${host} ${chart}.${name} is ${status} to '${user}'" + sent=$((sent + 1)) + else + error "failed to send pushover notification for: ${host} ${chart}.${name} is ${status} to '${user}' with HTTP error code ${httpcode}." + fi + done + + [ ${sent} -gt 0 ] && return 0 + fi + + return 1 +} + +# ----------------------------------------------------------------------------- +# pushbullet sender + +send_pushbullet() { + local userapikey="${1}" source_device="${2}" recipients="${3}" url="${4}" title="${5}" message="${6}" httpcode sent=0 user + if [ "${SEND_PUSHBULLET}" = "YES" ] && [ -n "${userapikey}" ] && [ -n "${recipients}" ] && [ -n "${message}" ] && [ -n "${title}" ]; then + #https://docs.pushbullet.com/#create-push + for user in ${recipients}; do + httpcode=$(docurl \ + --header 'Access-Token: '${userapikey}'' \ + --header 'Content-Type: application/json' \ + --data-binary @<( + cat <<EOF + {"title": "${title}", + "type": "link", + "email": "${user}", + "body": "$(echo -n ${message})", + "url": "${url}", + "source_device_iden": "${source_device}"} +EOF + ) "https://api.pushbullet.com/v2/pushes" -X POST) + + if [ "${httpcode}" = "200" ]; then + info "sent pushbullet notification for: ${host} ${chart}.${name} is ${status} to '${user}'" + sent=$((sent + 1)) + else + error "failed to send pushbullet notification for: ${host} ${chart}.${name} is ${status} to '${user}' with HTTP error code ${httpcode}." + fi + done + + [ ${sent} -gt 0 ] && return 0 + fi + + return 1 +} + +# ----------------------------------------------------------------------------- +# kafka sender + +send_kafka() { + local httpcode sent=0 + if [ "${SEND_KAFKA}" = "YES" ]; then + httpcode=$(docurl -X POST \ + --data "{host_ip:\"${KAFKA_SENDER_IP}\",when:${when},name:\"${name}\",chart:\"${chart}\",family:\"${family}\",status:\"${status}\",old_status:\"${old_status}\",value:${value},old_value:${old_value},duration:${duration},non_clear_duration:${non_clear_duration},units:\"${units}\",info:\"${info}\"}" \ + "${KAFKA_URL}") + + if [ "${httpcode}" = "204" ]; then + info "sent kafka data for: ${host} ${chart}.${name} is ${status} and ip '${KAFKA_SENDER_IP}'" + sent=$((sent + 1)) + else + error "failed to send kafka data for: ${host} ${chart}.${name} is ${status} and ip '${KAFKA_SENDER_IP}' with HTTP error code ${httpcode}." + fi + + [ ${sent} -gt 0 ] && return 0 + fi + + return 1 +} + +# ----------------------------------------------------------------------------- +# pagerduty.com sender + +send_pd() { + local recipients="${1}" sent=0 + unset t + case ${status} in + CLEAR) t='resolve' ;; + WARNING) t='trigger' ;; + CRITICAL) t='trigger' ;; + esac + + if [ ${SEND_PD} = "YES" ] && [ -n "${t}" ]; then + for PD_SERVICE_KEY in ${recipients}; do + d="${status} ${name} = ${value_string} - ${host}, ${family}" + payload="$( + cat <<EOF + { + "service_key": "${PD_SERVICE_KEY}", + "event_type": "${t}", + "incident_key" : "${alarm_id}", + "description": "${d}", + "details": { + "value_w_units": "${value_string}", + "when": "${when}", + "duration" : "${duration}", + "roles": "${roles}", + "alarm_id" : "${alarm_id}", + "name" : "${name}", + "chart" : "${chart}", + "family" : "${family}", + "status" : "${status}", + "old_status" : "${old_status}", + "value" : "${value}", + "old_value" : "${old_value}", + "src" : "${src}", + "non_clear_duration" : "${non_clear_duration}", + "units" : "${units}", + "info" : "${info}" + } + } +EOF + )" + httpcode=$(docurl -X POST --data "${payload}" "https://events.pagerduty.com/generic/2010-04-15/create_event.json") + if [ "${httpcode}" = "200" ]; then + info "sent pagerduty notification for: ${host} ${chart}.${name} is ${status}'" + sent=$((sent + 1)) + else + error "failed to send pagerduty notification for: ${host} ${chart}.${name} is ${status}, with HTTP error code ${httpcode}." + fi + done + + [ ${sent} -gt 0 ] && return 0 + fi + + return 1 +} + +# ----------------------------------------------------------------------------- +# twilio sender + +send_twilio() { + local accountsid="${1}" accounttoken="${2}" twilionumber="${3}" recipients="${4}" title="${5}" message="${6}" httpcode sent=0 user + if [ "${SEND_TWILIO}" = "YES" ] && [ -n "${accountsid}" ] && [ -n "${accounttoken}" ] && [ -n "${twilionumber}" ] && [ -n "${recipients}" ] && [ -n "${message}" ] && [ -n "${title}" ]; then + #https://www.twilio.com/packages/labs/code/bash/twilio-sms + for user in ${recipients}; do + httpcode=$(docurl -X POST \ + --data-urlencode "From=${twilionumber}" \ + --data-urlencode "To=${user}" \ + --data-urlencode "Body=${title} ${message}" \ + -u "${accountsid}:${accounttoken}" \ + "https://api.twilio.com/2010-04-01/Accounts/${accountsid}/Messages.json") + + if [ "${httpcode}" = "201" ]; then + info "sent Twilio SMS for: ${host} ${chart}.${name} is ${status} to '${user}'" + sent=$((sent + 1)) + else + error "failed to send Twilio SMS for: ${host} ${chart}.${name} is ${status} to '${user}' with HTTP error code ${httpcode}." + fi + done + + [ ${sent} -gt 0 ] && return 0 + fi + + return 1 +} + +# ----------------------------------------------------------------------------- +# hipchat sender + +send_hipchat() { + local authtoken="${1}" recipients="${2}" message="${3}" httpcode sent=0 room color msg_format notify + + # remove <small></small> from the message + message="${message//<small>/}" + message="${message//<\/small>/}" + + if [ "${SEND_HIPCHAT}" = "YES" ] && [ -n "${HIPCHAT_SERVER}" ] && [ -n "${authtoken}" ] && [ -n "${recipients}" ] && [ -n "${message}" ]; then + # Valid values: html, text. + # Defaults to 'html'. + msg_format="html" + + # Background color for message. Valid values: yellow, green, red, purple, gray, random. Defaults to 'yellow'. + case "${status}" in + WARNING) color="yellow" ;; + CRITICAL) color="red" ;; + CLEAR) color="green" ;; + *) color="gray" ;; + esac + + # Whether this message should trigger a user notification (change the tab color, play a sound, notify mobile phones, etc). + # Each recipient's notification preferences are taken into account. + # Defaults to false. + notify="true" + + for room in ${recipients}; do + httpcode=$(docurl -X POST \ + -H "Content-type: application/json" \ + -H "Authorization: Bearer ${authtoken}" \ + -d "{\"color\": \"${color}\", \"from\": \"${host}\", \"message_format\": \"${msg_format}\", \"message\": \"${message}\", \"notify\": \"${notify}\"}" \ + "https://${HIPCHAT_SERVER}/v2/room/${room}/notification") + + if [ "${httpcode}" = "204" ]; then + info "sent HipChat notification for: ${host} ${chart}.${name} is ${status} to '${room}'" + sent=$((sent + 1)) + else + error "failed to send HipChat notification for: ${host} ${chart}.${name} is ${status} to '${room}' with HTTP error code ${httpcode}." + fi + done + + [ ${sent} -gt 0 ] && return 0 + fi + + return 1 +} + +# ----------------------------------------------------------------------------- +# messagebird sender + +send_messagebird() { + local accesskey="${1}" messagebirdnumber="${2}" recipients="${3}" title="${4}" message="${5}" httpcode sent=0 user + if [ "${SEND_MESSAGEBIRD}" = "YES" ] && [ -n "${accesskey}" ] && [ -n "${messagebirdnumber}" ] && [ -n "${recipients}" ] && [ -n "${message}" ] && [ -n "${title}" ]; then + #https://developers.messagebird.com/docs/messaging + for user in ${recipients}; do + httpcode=$(docurl -X POST \ + --data-urlencode "originator=${messagebirdnumber}" \ + --data-urlencode "recipients=${user}" \ + --data-urlencode "body=${title} ${message}" \ + --data-urlencode "datacoding=auto" \ + -H "Authorization: AccessKey ${accesskey}" \ + "https://rest.messagebird.com/messages") + + if [ "${httpcode}" = "201" ]; then + info "sent Messagebird SMS for: ${host} ${chart}.${name} is ${status} to '${user}'" + sent=$((sent + 1)) + else + error "failed to send Messagebird SMS for: ${host} ${chart}.${name} is ${status} to '${user}' with HTTP error code ${httpcode}." + fi + done + + [ ${sent} -gt 0 ] && return 0 + fi + + return 1 +} + +# ----------------------------------------------------------------------------- +# kavenegar sender + +send_kavenegar() { + local API_KEY="${1}" kavenegarsender="${2}" recipients="${3}" title="${4}" message="${5}" httpcode sent=0 user + if [ "${SEND_KAVENEGAR}" = "YES" ] && [ -n "${API_KEY}" ] && [ -n "${kavenegarsender}" ] && [ -n "${recipients}" ] && [ -n "${message}" ] && [ -n "${title}" ]; then + # http://api.kavenegar.com/v1/{API-KEY}/sms/send.json + for user in ${recipients}; do + httpcode=$(docurl -X POST http://api.kavenegar.com/v1/${API_KEY}/sms/send.json \ + --data-urlencode "sender=${kavenegarsender}" \ + --data-urlencode "receptor=${user}" \ + --data-urlencode "message=${title} ${message}") + + if [ "${httpcode}" = "200" ]; then + info "sent Kavenegar SMS for: ${host} ${chart}.${name} is ${status} to '${user}'" + sent=$((sent + 1)) + else + error "failed to send Kavenegar SMS for: ${host} ${chart}.${name} is ${status} to '${user}' with HTTP error code ${httpcode}." + fi + done + + [ ${sent} -gt 0 ] && return 0 + fi + + return 1 +} + +# ----------------------------------------------------------------------------- +# telegram sender + +send_telegram() { + local bottoken="${1}" chatids="${2}" message="${3}" httpcode sent=0 chatid emoji disableNotification="" + + if [ "${status}" = "CLEAR" ]; then disableNotification="--data-urlencode disable_notification=true"; fi + + case "${status}" in + WARNING) emoji="⚠️" ;; + CRITICAL) emoji="🔴" ;; + CLEAR) emoji="✅" ;; + *) emoji="⚪️" ;; + esac + + if [ "${SEND_TELEGRAM}" = "YES" ] && [ -n "${bottoken}" ] && [ -n "${chatids}" ] && [ -n "${message}" ]; then + for chatid in ${chatids}; do + # https://core.telegram.org/bots/api#sendmessage + httpcode=$(docurl ${disableNotification} \ + --data-urlencode "parse_mode=HTML" \ + --data-urlencode "disable_web_page_preview=true" \ + --data-urlencode "text=${emoji} ${message}" \ + "https://api.telegram.org/bot${bottoken}/sendMessage?chat_id=${chatid}") + + if [ "${httpcode}" = "200" ]; then + info "sent telegram notification for: ${host} ${chart}.${name} is ${status} to '${chatid}'" + sent=$((sent + 1)) + elif [ "${httpcode}" = "401" ]; then + error "failed to send telegram notification for: ${host} ${chart}.${name} is ${status} to '${chatid}': Wrong bot token." + else + error "failed to send telegram notification for: ${host} ${chart}.${name} is ${status} to '${chatid}' with HTTP error code ${httpcode}." + fi + done + + [ ${sent} -gt 0 ] && return 0 + fi + + return 1 +} + +# ----------------------------------------------------------------------------- +# Microsoft Team sender + +send_msteam() { + + local webhook="${1}" channels="${2}" httpcode sent=0 channel color payload + + [ "${SEND_MSTEAM}" != "YES" ] && return 1 + + case "${status}" in + WARNING) icon="${MSTEAM_ICON_WARNING}" && color="${MSTEAM_COLOR_WARNING}" ;; + CRITICAL) icon="${MSTEAM_ICON_CRITICAL}" && color="${MSTEAM_COLOR_CRITICAL}" ;; + CLEAR) icon="${MSTEAM_ICON_CLEAR}" && color="${MSTEAM_COLOR_CLEAR}" ;; + *) icon="${MSTEAM_ICON_DEFAULT}" && color="${MSTEAM_COLOR_DEFAULT}" ;; + esac + + for channel in ${channels}; do + ## More details are available here regarding the payload syntax options : https://docs.microsoft.com/en-us/outlook/actionable-messages/message-card-reference + ## Online designer : https://acdesignerbeta.azurewebsites.net/ + payload="$( + cat <<EOF + { + "@context": "http://schema.org/extensions", + "@type": "MessageCard", + "themeColor": "${color}", + "title": "$icon Alert ${status} from netdata for ${host}", + "text": "${host} ${status_message}, ${chart} (_${family}_), *${alarm}*", + "potentialAction": [ + { + "@type": "OpenUri", + "name": "Netdata", + "targets": [ + { "os": "default", "uri": "${goto_url}" } + ] + } + ] + } +EOF + )" + + # Replacing in the webhook CHANNEL string by the MS Teams channel name from conf file. + webhook="${webhook//CHANNEL/${channel}}" + + httpcode=$(docurl -H "Content-Type: application/json" -d "${payload}" "${webhook}") + + if [ "${httpcode}" = "200" ]; then + info "sent Microsoft team notification for: ${host} ${chart}.${name} is ${status} to '${webhook}'" + sent=$((sent + 1)) + else + error "failed to send Microsoft team notification for: ${host} ${chart}.${name} is ${status} to '${webhook}', with HTTP error code ${httpcode}." + fi + done + + [ ${sent} -gt 0 ] && return 0 + + return 1 +} + +# slack sender + +send_slack() { + local webhook="${1}" channels="${2}" httpcode sent=0 channel color payload + + [ "${SEND_SLACK}" != "YES" ] && return 1 + + case "${status}" in + WARNING) color="warning" ;; + CRITICAL) color="danger" ;; + CLEAR) color="good" ;; + *) color="#777777" ;; + esac + + for channel in ${channels}; do + # Default entry in the recipient is without a hash in front (backwards-compatible). Accept specification of channel or user. + if [ "${channel::1}" != "#" ] && [ "${channel::1}" != "@" ]; then channel="#$channel"; fi + + # If channel is equal to "#" then do not send the channel attribute at all. Slack also defines channels and users in webhooks. + if [ "${channel}" = "#" ]; then + ch="" + chstr="without specifying a channel" + else + ch="\"channel\": \"${channel}\"," + chstr="to '${channel}'" + fi + + payload="$( + cat <<EOF + { + $ch + "username": "netdata on ${host}", + "icon_url": "${images_base_url}/images/banner-icon-144x144.png", + "text": "${host} ${status_message}, \`${chart}\` (_${family}_), *${alarm}*", + "attachments": [ + { + "fallback": "${alarm} - ${chart} (${family}) - ${info}", + "color": "${color}", + "title": "${alarm}", + "title_link": "${goto_url}", + "text": "${info}", + "fields": [ + { + "title": "${chart}", + "short": true + }, + { + "title": "${family}", + "short": true + } + ], + "thumb_url": "${image}", + "footer": "by ${host}", + "ts": ${when} + } + ] + } +EOF + )" + + httpcode=$(docurl -X POST --data-urlencode "payload=${payload}" "${webhook}") + if [ "${httpcode}" = "200" ]; then + info "sent slack notification for: ${host} ${chart}.${name} is ${status} ${chstr}" + sent=$((sent + 1)) + else + error "failed to send slack notification for: ${host} ${chart}.${name} is ${status} ${chstr}, with HTTP error code ${httpcode}." + fi + done + + [ ${sent} -gt 0 ] && return 0 + + return 1 +} + +# ----------------------------------------------------------------------------- +# rocketchat sender + +send_rocketchat() { + local webhook="${1}" channels="${2}" httpcode sent=0 channel color payload + + [ "${SEND_ROCKETCHAT}" != "YES" ] && return 1 + + case "${status}" in + WARNING) color="warning" ;; + CRITICAL) color="danger" ;; + CLEAR) color="good" ;; + *) color="#777777" ;; + esac + + for channel in ${channels}; do + payload="$( + cat <<EOF + { + "channel": "#${channel}", + "alias": "netdata on ${host}", + "avatar": "${images_base_url}/images/banner-icon-144x144.png", + "text": "${host} ${status_message}, \`${chart}\` (_${family}_), *${alarm}*", + "attachments": [ + { + "color": "${color}", + "title": "${alarm}", + "title_link": "${goto_url}", + "text": "${info}", + "fields": [ + { + "title": "${chart}", + "short": true, + "value": "chart" + }, + { + "title": "${family}", + "short": true, + "value": "family" + } + ], + "thumb_url": "${image}", + "ts": "${when}" + } + ] + } +EOF + )" + + httpcode=$(docurl -X POST --data-urlencode "payload=${payload}" "${webhook}") + if [ "${httpcode}" = "200" ]; then + info "sent rocketchat notification for: ${host} ${chart}.${name} is ${status} to '${channel}'" + sent=$((sent + 1)) + else + error "failed to send rocketchat notification for: ${host} ${chart}.${name} is ${status} to '${channel}', with HTTP error code ${httpcode}." + fi + done + + [ ${sent} -gt 0 ] && return 0 + + return 1 +} + +# ----------------------------------------------------------------------------- +# alerta sender + +send_alerta() { + local webhook="${1}" channels="${2}" httpcode sent=0 channel severity resource event payload auth + + [ "${SEND_ALERTA}" != "YES" ] && return 1 + + case "${status}" in + CRITICAL) severity="critical" ;; + WARNING) severity="warning" ;; + CLEAR) severity="cleared" ;; + *) severity="indeterminate" ;; + esac + + if [[ ${chart} == httpcheck* ]]; then + resource=$chart + event=$name + else + resource="${host}:${family}" + event="${chart}.${name}" + fi + + for channel in ${channels}; do + payload="$( + cat <<EOF + { + "resource": "${resource}", + "event": "${event}", + "environment": "${channel}", + "severity": "${severity}", + "service": ["Netdata"], + "group": "Performance", + "value": "${value_string}", + "text": "${info}", + "tags": ["alarm_id:${alarm_id}"], + "attributes": { + "roles": "${roles}", + "name": "${name}", + "chart": "${chart}", + "family": "${family}", + "source": "${src}", + "moreInfo": "<a href=\"${goto_url}\">View Netdata</a>" + }, + "origin": "netdata/${host}", + "type": "netdataAlarm", + "rawData": "${BASH_ARGV[@]}" + } +EOF + )" + + if [ -n "${ALERTA_API_KEY}" ]; then + auth="Key ${ALERTA_API_KEY}" + fi + + httpcode=$(docurl -X POST "${webhook}/alert" -H "Content-Type: application/json" -H "Authorization: $auth" --data "${payload}") + + if [ "${httpcode}" = "200" ] || [ "${httpcode}" = "201" ]; then + info "sent alerta notification for: ${host} ${chart}.${name} is ${status} to '${channel}'" + sent=$((sent + 1)) + elif [ "${httpcode}" = "202" ]; then + info "suppressed alerta notification for: ${host} ${chart}.${name} is ${status} to '${channel}'" + else + error "failed to send alerta notification for: ${host} ${chart}.${name} is ${status} to '${channel}', with HTTP error code ${httpcode}." + fi + done + + [ ${sent} -gt 0 ] && return 0 + + return 1 +} + +# ----------------------------------------------------------------------------- +# flock sender + +send_flock() { + local webhook="${1}" channels="${2}" httpcode sent=0 channel color payload + + [ "${SEND_FLOCK}" != "YES" ] && return 1 + + case "${status}" in + WARNING) color="warning" ;; + CRITICAL) color="danger" ;; + CLEAR) color="good" ;; + *) color="#777777" ;; + esac + + for channel in ${channels}; do + httpcode=$(docurl -X POST "${webhook}" -H "Content-Type: application/json" -d "{ + \"sendAs\": { + \"name\" : \"netdata on ${host}\", + \"profileImage\" : \"${images_base_url}/images/banner-icon-144x144.png\" + }, + \"text\": \"${host} *${status_message}*\", + \"timestamp\": \"${when}\", + \"attachments\": [ + { + \"description\": \"${chart} (${family}) - ${info}\", + \"color\": \"${color}\", + \"title\": \"${alarm}\", + \"url\": \"${goto_url}\", + \"text\": \"${info}\", + \"views\": { + \"image\": { + \"original\": { \"src\": \"${image}\", \"width\": 400, \"height\": 400 }, + \"thumbnail\": { \"src\": \"${image}\", \"width\": 50, \"height\": 50 }, + \"filename\": \"${image}\" + } + } + } + ] + }") + if [ "${httpcode}" = "200" ]; then + info "sent flock notification for: ${host} ${chart}.${name} is ${status} to '${channel}'" + sent=$((sent + 1)) + else + error "failed to send flock notification for: ${host} ${chart}.${name} is ${status} to '${channel}', with HTTP error code ${httpcode}." + fi + done + + [ ${sent} -gt 0 ] && return 0 + + return 1 +} + +# ----------------------------------------------------------------------------- +# discord sender + +send_discord() { + local webhook="${1}/slack" channels="${2}" httpcode sent=0 channel color payload username + + [ "${SEND_DISCORD}" != "YES" ] && return 1 + + case "${status}" in + WARNING) color="warning" ;; + CRITICAL) color="danger" ;; + CLEAR) color="good" ;; + *) color="#777777" ;; + esac + + for channel in ${channels}; do + username="netdata on ${host}" + [ ${#username} -gt 32 ] && username="${username:0:29}..." + + payload="$( + cat <<EOF + { + "channel": "#${channel}", + "username": "${username}", + "text": "${host} ${status_message}, \`${chart}\` (_${family}_), *${alarm}*", + "icon_url": "${images_base_url}/images/banner-icon-144x144.png", + "attachments": [ + { + "color": "${color}", + "title": "${alarm}", + "title_link": "${goto_url}", + "text": "${info}", + "fields": [ + { + "title": "${chart}", + "value": "${family}" + } + ], + "thumb_url": "${image}", + "footer_icon": "${images_base_url}/images/banner-icon-144x144.png", + "footer": "${host}", + "ts": ${when} + } + ] + } +EOF + )" + + httpcode=$(docurl -X POST --data-urlencode "payload=${payload}" "${webhook}") + if [ "${httpcode}" = "200" ]; then + info "sent discord notification for: ${host} ${chart}.${name} is ${status} to '${channel}'" + sent=$((sent + 1)) + else + error "failed to send discord notification for: ${host} ${chart}.${name} is ${status} to '${channel}', with HTTP error code ${httpcode}." + fi + done + + [ ${sent} -gt 0 ] && return 0 + + return 1 +} + +# ----------------------------------------------------------------------------- +# fleep sender + +send_fleep() { + local httpcode sent=0 webhooks="${1}" data message + if [ "${SEND_FLEEP}" = "YES" ]; then + message="${host} ${status_message}, \`${chart}\` (${family}), *${alarm}*\\n${info}" + + for hook in ${webhooks}; do + data="{ " + data="${data} 'message': '${message}', " + data="${data} 'user': '${FLEEP_SENDER}' " + data="${data} }" + + httpcode=$(docurl -X POST --data "${data}" "https://fleep.io/hook/${hook}") + + if [ "${httpcode}" = "200" ]; then + info "sent fleep data for: ${host} ${chart}.${name} is ${status} and user '${FLEEP_SENDER}'" + sent=$((sent + 1)) + else + error "failed to send fleep data for: ${host} ${chart}.${name} is ${status} and user '${FLEEP_SENDER}' with HTTP error code ${httpcode}." + fi + done + + [ ${sent} -gt 0 ] && return 0 + fi + + return 1 +} + +# ----------------------------------------------------------------------------- +# Prowl sender + +send_prowl() { + local httpcode sent=0 data message keys prio=0 alarm_url event + if [ "${SEND_PROWL}" = "YES" ]; then + message="$(urlencode "${host} ${status_message}, \`${chart}\` (${family}), *${alarm}*\\n${info}")" + message="description=${message}" + keys="$(urlencode "$(echo "${1}" | tr ' ' ,)")" + keys="apikey=${keys}" + app="application=Netdata" + + case "${status}" in + CRITICAL) + prio=2 + ;; + WARNING) + prio=1 + ;; + esac + prio="priority=${prio}" + + alarm_url="$(urlencode ${goto_url})" + alarm_url="url=${alarm_url}" + event="$(urlencode "${host} ${status_message}")" + event="event=${event}" + + data="${keys}&${prio}&${alarm_url}&${app}&${event}&${message}" + + httpcode=$(docurl -X POST --data "${data}" "https://api.prowlapp.com/publicapi/add") + + if [ "${httpcode}" = "200" ]; then + info "sent prowl data for: ${host} ${chart}.${name} is ${status}" + sent=1 + else + error "failed to send prowl data for: ${host} ${chart}.${name} is ${status} with with error code ${httpcode}." + fi + + [ ${sent} -gt 0 ] && return 0 + fi + + return 1 +} + +# ----------------------------------------------------------------------------- +# irc sender + +send_irc() { + local NICKNAME="${1}" REALNAME="${2}" CHANNELS="${3}" NETWORK="${4}" SERVERNAME="${5}" MESSAGE="${6}" sent=0 channel color send_alarm reply_codes error + + if [ "${SEND_IRC}" = "YES" ] && [ -n "${NICKNAME}" ] && [ -n "${REALNAME}" ] && [ -n "${CHANNELS}" ] && [ -n "${NETWORK}" ] && [ -n "${SERVERNAME}" ]; then + case "${status}" in + WARNING) color="warning" ;; + CRITICAL) color="danger" ;; + CLEAR) color="good" ;; + *) color="#777777" ;; + esac + + for CHANNEL in ${CHANNELS}; do + error=0 + send_alarm=$(echo -e "USER ${NICKNAME} guest ${REALNAME} ${SERVERNAME}\\nNICK ${NICKNAME}\\nJOIN ${CHANNEL}\\nPRIVMSG ${CHANNEL} :${MESSAGE}\\nQUIT\\n" \ | nc "${NETWORK}" 6667) + reply_codes=$(echo "${send_alarm}" | cut -d ' ' -f 2 | grep -o '[0-9]*') + for code in ${reply_codes}; do + if [ "${code}" -ge 400 ] && [ "${code}" -le 599 ]; then + error=1 + break + fi + done + + if [ "${error}" -eq 0 ]; then + info "sent irc notification for: ${host} ${chart}.${name} is ${status} to '${CHANNEL}'" + sent=$((sent + 1)) + else + error "failed to send irc notification for: ${host} ${chart}.${name} is ${status} to '${CHANNEL}', with error code ${code}." + fi + done + fi + + [ ${sent} -gt 0 ] && return 0 + + return 1 +} + +# ----------------------------------------------------------------------------- +# Amazon SNS sender + +send_awssns() { + local targets="${1}" message='' sent=0 region='' + local default_format="${status} on ${host} at ${date}: ${chart} ${value_string}" + + [ "${SEND_AWSSNS}" = "YES" ] || return 1 + + message=${AWSSNS_MESSAGE_FORMAT:-${default_format}} + + for target in ${targets}; do + # Extract the region from the target ARN. We need to explicitly specify the region so that it matches up correctly. + region="$(echo ${target} | cut -f 4 -d ':')" + if ${aws} sns publish --region "${region}" --subject "${host} ${status_message} - ${name//_/ } - ${chart}" --message "${message}" --target-arn ${target} &>/dev/null; then + info "sent Amazon SNS notification for: ${host} ${chart}.${name} is ${status} to '${target}'" + sent=$((sent + 1)) + else + error "failed to send Amazon SNS notification for: ${host} ${chart}.${name} is ${status} to '${target}'" + fi + done + + [ ${sent} -gt 0 ] && return 0 + + return 1 +} + +# ----------------------------------------------------------------------------- +# syslog sender + +send_syslog() { + local facility=${SYSLOG_FACILITY:-"local6"} level='info' targets="${1}" + local priority='' message='' host='' port='' prefix='' + local temp1='' temp2='' + + [ "${SEND_SYSLOG}" = "YES" ] || return 1 + + if [ "${status}" = "CRITICAL" ]; then + level='crit' + elif [ "${status}" = "WARNING" ]; then + level='warning' + fi + + for target in ${targets}; do + priority="${facility}.${level}" + message='' + host='' + port='' + prefix='' + temp1='' + temp2='' + + prefix=$(echo ${target} | cut -d '/' -f 2) + temp1=$(echo ${target} | cut -d '/' -f 1) + + if [ ${prefix} != ${temp1} ]; then + if (echo ${temp1} | grep -q '@'); then + temp2=$(echo ${temp1} | cut -d '@' -f 1) + host=$(echo ${temp1} | cut -d '@' -f 2) + + if [ ${temp2} != ${host} ]; then + priority=${temp2} + fi + + port=$(echo ${host} | rev | cut -d ':' -f 1 | rev) + + if (echo ${host} | grep -E -q '\[.*\]'); then + if (echo ${port} | grep -q ']'); then + port='' + else + host=$(echo ${host} | rev | cut -d ':' -f 2- | rev) + fi + else + if [ ${port} = ${host} ]; then + port='' + else + host=$(echo ${host} | cut -d ':' -f 1) + fi + fi + else + priority=${temp1} + fi + fi + + message="${prefix} ${status} on ${host} at ${date}: ${chart} ${value_string}" + + if [ ${host} ]; then + logger_options="${logger_options} -n ${host}" + if [ ${port} ]; then + logger_options="${logger_options} -P ${port}" + fi + fi + + ${logger} -p ${priority} ${logger_options} "${message}" + done + + return $? +} + +# ----------------------------------------------------------------------------- +# SMS sender + +send_sms() { + local recipients="${1}" errcode errmessage sent=0 + + # Human readable SMS + local msg="${host} ${status_message}: ${chart} (${family}), ${alarm}" + + # limit it to 160 characters + msg="${msg:0:160}" + + if [ "${SEND_SMS}" = "YES" ] && [ -n "${sendsms}" ] && [ -n "${recipients}" ] && [ -n "${msg}" ]; then + # http://api.kavenegar.com/v1/{API-KEY}/sms/send.json + for phone in ${recipients}; do + errmessage=$($sendsms $phone "$msg" 2>&1) + errcode=$? + if [ ${errcode} -eq 0 ]; then + info "sent smstools3 SMS for: ${host} ${chart}.${name} is ${status} to '${user}'" + sent=$((sent + 1)) + else + error "failed to send smstools3 SMS for: ${host} ${chart}.${name} is ${status} to '${user}' with error code ${errcode}: ${errmessage}." + fi + done + + [ ${sent} -gt 0 ] && return 0 + fi + + return 1 +} + +# ----------------------------------------------------------------------------- +# prepare the content of the notification + +# the url to send the user on click +urlencode "${args_host}" >/dev/null +url_host="${REPLY}" +urlencode "${chart}" >/dev/null +url_chart="${REPLY}" +urlencode "${family}" >/dev/null +url_family="${REPLY}" +urlencode "${name}" >/dev/null +url_name="${REPLY}" + +redirect_params="host=${url_host}&chart=${url_chart}&family=${url_family}&alarm=${url_name}&alarm_unique_id=${unique_id}&alarm_id=${alarm_id}&alarm_event_id=${event_id}" +GOTOCLOUD=0 + +if [ "${NETDATA_REGISTRY_URL}" == "https://registry.my-netdata.io" ]; then + if [ -z "${NETDATA_REGISTRY_UNIQUE_ID}" ]; then + if [ -f "/var/lib/netdata/registry/netdata.public.unique.id" ]; then + NETDATA_REGISTRY_UNIQUE_ID="$(cat "/var/lib/netdata/registry/netdata.public.unique.id")" + fi + fi + if [ -n "${NETDATA_REGISTRY_UNIQUE_ID}" ]; then + GOTOCLOUD=1 + fi +fi + +if [ ${GOTOCLOUD} -eq 0 ]; then + goto_url="${NETDATA_REGISTRY_URL}/goto-host-from-alarm.html?${redirect_params}" +else + goto_url="${NETDATA_REGISTRY_CLOUD_BASE_URL}/alarms/redirect?agentID=${NETDATA_REGISTRY_UNIQUE_ID}&${redirect_params}" +fi + +# the severity of the alarm +severity="${status}" + +# the time the alarm was raised +duration4human ${duration} >/dev/null +duration_txt="${REPLY}" +duration4human ${non_clear_duration} >/dev/null +non_clear_duration_txt="${REPLY}" +raised_for="(was ${old_status,,} for ${duration_txt})" + +# the key status message +status_message="status unknown" + +# the color of the alarm +color="grey" + +# the alarm value +alarm="${name//_/ } = ${value_string}" + +# the image of the alarm +image="${images_base_url}/images/banner-icon-144x144.png" + +# prepare the title based on status +case "${status}" in +CRITICAL) + image="${images_base_url}/images/alert-128-red.png" + status_message="is critical" + color="#ca414b" + ;; + +WARNING) + image="${images_base_url}/images/alert-128-orange.png" + status_message="needs attention" + color="#ffc107" + ;; + +CLEAR) + image="${images_base_url}/images/check-mark-2-128-green.png" + status_message="recovered" + color="#77ca6d" + ;; +esac + +if [ "${status}" = "CLEAR" ]; then + severity="Recovered from ${old_status}" + if [ ${non_clear_duration} -gt ${duration} ]; then + raised_for="(alarm was raised for ${non_clear_duration_txt})" + fi + + # don't show the value when the status is CLEAR + # for certain alarms, this value might not have any meaning + alarm="${name//_/ } ${raised_for}" + +elif { [ "${old_status}" = "WARNING" ] && [ "${status}" = "CRITICAL" ]; }; then + severity="Escalated to ${status}" + if [ ${non_clear_duration} -gt ${duration} ]; then + raised_for="(alarm is raised for ${non_clear_duration_txt})" + fi + +elif { [ "${old_status}" = "CRITICAL" ] && [ "${status}" = "WARNING" ]; }; then + severity="Demoted to ${status}" + if [ ${non_clear_duration} -gt ${duration} ]; then + raised_for="(alarm is raised for ${non_clear_duration_txt})" + fi + +else + raised_for= +fi + +# prepare HTML versions of elements +info_html= +[ -n "${info}" ] && info_html=" <small><br/>${info}</small>" + +raised_for_html= +[ -n "${raised_for}" ] && raised_for_html="<br/><small>${raised_for}</small>" + +# ----------------------------------------------------------------------------- +# send the slack notification + +# slack aggregates posts from the same username +# so we use "${host} ${status}" as the bot username, to make them diff + +send_slack "${SLACK_WEBHOOK_URL}" "${to_slack}" +SENT_SLACK=$? + +# ----------------------------------------------------------------------------- +# send the Microsoft notification + +# Microsoft team aggregates posts from the same username +# so we use "${host} ${status}" as the bot username, to make them diff + +send_msteam "${MSTEAM_WEBHOOK_URL}" "${to_msteam}" +SENT_MSTEAM=$? + +# ----------------------------------------------------------------------------- +# send the rocketchat notification + +# rocketchat aggregates posts from the same username +# so we use "${host} ${status}" as the bot username, to make them diff + +send_rocketchat "${ROCKETCHAT_WEBHOOK_URL}" "${to_rocketchat}" +SENT_ROCKETCHAT=$? + +# ----------------------------------------------------------------------------- +# send the alerta notification + +# alerta aggregates posts from the same username +# so we use "${host} ${status}" as the bot username, to make them diff + +send_alerta "${ALERTA_WEBHOOK_URL}" "${to_alerta}" +SENT_ALERTA=$? + +# ----------------------------------------------------------------------------- +# send the flock notification + +# flock aggregates posts from the same username +# so we use "${host} ${status}" as the bot username, to make them diff + +send_flock "${FLOCK_WEBHOOK_URL}" "${to_flock}" +SENT_FLOCK=$? + +# ----------------------------------------------------------------------------- +# send the discord notification + +# discord aggregates posts from the same username +# so we use "${host} ${status}" as the bot username, to make them diff + +send_discord "${DISCORD_WEBHOOK_URL}" "${to_discord}" +SENT_DISCORD=$? + +# ----------------------------------------------------------------------------- +# send the pushover notification + +send_pushover "${PUSHOVER_APP_TOKEN}" "${to_pushover}" "${when}" "${goto_url}" "${status}" "${host} ${status_message} - ${name//_/ } - ${chart}" " +<font color=\"${color}\"><b>${alarm}</b></font>${info_html}<br/> +<small><b>${chart}</b><br/>Chart<br/> </small> +<small><b>${family}</b><br/>Family<br/> </small> +<small><b>${severity}</b><br/>Severity<br/> </small> +<small><b>${date}${raised_for_html}</b><br/>Time<br/> </small> +<a href=\"${goto_url}\">View Netdata</a><br/> +<small><small>The source of this alarm is line ${src}</small></small> +" + +SENT_PUSHOVER=$? + +# ----------------------------------------------------------------------------- +# send the pushbullet notification + +send_pushbullet "${PUSHBULLET_ACCESS_TOKEN}" "${PUSHBULLET_SOURCE_DEVICE}" "${to_pushbullet}" "${goto_url}" "${host} ${status_message} - ${name//_/ } - ${chart}" "${alarm}\\n +Severity: ${severity}\\n +Chart: ${chart}\\n +Family: ${family}\\n +${date}\\n +The source of this alarm is line ${src}" + +SENT_PUSHBULLET=$? + +# ----------------------------------------------------------------------------- +# send the twilio SMS + +send_twilio "${TWILIO_ACCOUNT_SID}" "${TWILIO_ACCOUNT_TOKEN}" "${TWILIO_NUMBER}" "${to_twilio}" "${host} ${status_message} - ${name//_/ } - ${chart}" "${alarm} +Severity: ${severity} +Chart: ${chart} +Family: ${family} +${info}" + +SENT_TWILIO=$? + +# ----------------------------------------------------------------------------- +# send the messagebird SMS + +send_messagebird "${MESSAGEBIRD_ACCESS_KEY}" "${MESSAGEBIRD_NUMBER}" "${to_messagebird}" "${host} ${status_message} - ${name//_/ } - ${chart}" "${alarm} +Severity: ${severity} +Chart: ${chart} +Family: ${family} +${info}" + +SENT_MESSAGEBIRD=$? + +# ----------------------------------------------------------------------------- +# send the kavenegar SMS + +send_kavenegar "${KAVENEGAR_API_KEY}" "${KAVENEGAR_SENDER}" "${to_kavenegar}" "${host} ${status_message} - ${name//_/ } - ${chart}" "${alarm} +Severity: ${severity} +Chart: ${chart} +Family: ${family} +${info}" + +SENT_KAVENEGAR=$? + +# ----------------------------------------------------------------------------- +# send the telegram.org message + +# https://core.telegram.org/bots/api#formatting-options +send_telegram "${TELEGRAM_BOT_TOKEN}" "${to_telegram}" "${host} ${status_message} - <b>${name//_/ }</b> +${chart} (${family}) +<a href=\"${goto_url}\">${alarm}</a> +<i>${info}</i>" + +SENT_TELEGRAM=$? + +# ----------------------------------------------------------------------------- +# send the kafka message + +send_kafka +SENT_KAFKA=$? + +# ----------------------------------------------------------------------------- +# send the pagerduty.com message + +send_pd "${to_pd}" +SENT_PD=$? + +# ----------------------------------------------------------------------------- +# send the fleep message + +send_fleep "${to_fleep}" +SENT_FLEEP=$? + +# ----------------------------------------------------------------------------- +# send the Prowl message + +send_prowl "${to_prowl}" +SENT_PROWL=$? + +# ----------------------------------------------------------------------------- +# send the irc message + +send_irc "${IRC_NICKNAME}" "${IRC_REALNAME}" "${to_irc}" "${IRC_NETWORK}" "${host}" "${host} ${status_message} - ${name//_/ } - ${chart} ----- ${alarm} +Severity: ${severity} +Chart: ${chart} +Family: ${family} +${info}" + +SENT_IRC=$? + +# ----------------------------------------------------------------------------- +# send the SMS message with smstools3 + +send_sms "${to_sms}" + +SENT_SMS=$? + +# ----------------------------------------------------------------------------- +# send the custom message + +send_custom() { + # is it enabled? + [ "${SEND_CUSTOM}" != "YES" ] && return 1 + + # do we have any sender? + [ -z "${1}" ] && return 1 + + # call the custom_sender function + custom_sender "${@}" +} + +send_custom "${to_custom}" +SENT_CUSTOM=$? + +# ----------------------------------------------------------------------------- +# send hipchat message + +send_hipchat "${HIPCHAT_AUTH_TOKEN}" "${to_hipchat}" " \ +${host} ${status_message}<br/> \ +<b>${alarm}</b> ${info_html}<br/> \ +<b>${chart}</b> (family <b>${family}</b>)<br/> \ +<b>${date}${raised_for_html}</b><br/> \ +<a href=\\\"${goto_url}\\\">View netdata dashboard</a> \ +(source of alarm ${src}) \ +" + +SENT_HIPCHAT=$? + +# ----------------------------------------------------------------------------- +# send the Amazon SNS message + +send_awssns "${to_awssns}" + +SENT_AWSSNS=$? + +# ----------------------------------------------------------------------------- +# send the syslog message + +send_syslog "${to_syslog}" + +SENT_SYSLOG=$? + +# ----------------------------------------------------------------------------- +# send the email + +IFS='' read -r -d '' email_plaintext_part <<EOF +Content-Type: text/plain; encoding=${EMAIL_CHARSET} +Content-Disposition: inline +Content-Transfer-Encoding: 8bit + +${host} ${status_message} + +${alarm} ${info} +${raised_for} + +Chart : ${chart} +Family : ${family} +Severity: ${severity} +URL : ${goto_url} +Source : ${src} +Date : ${date} +Notification generated on ${host} + +Evaluated Expression : ${calc_expression} +Expression Variables : ${calc_param_values} + +The host has ${total_warnings} WARNING and ${total_critical} CRITICAL alarm(s) raised. +EOF + +if [[ "${EMAIL_PLAINTEXT_ONLY}" == "YES" ]]; then + +send_email <<EOF +To: ${to_email} +Subject: ${host} ${status_message} - ${name//_/ } - ${chart} +MIME-Version: 1.0 +Content-Type: multipart/alternative; boundary="multipart-boundary" +${email_thread_headers} + +This is a MIME-encoded multipart message + +--multipart-boundary +${email_plaintext_part} +--multipart-boundary-- +EOF + +else + +IFS='' read -r -d '' email_html_part <<EOF +Content-Type: text/html; encoding=${EMAIL_CHARSET} +Content-Disposition: inline +Content-Transfer-Encoding: 8bit + +<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> +<html xmlns="http://www.w3.org/1999/xhtml" style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 14px; margin: 0; padding: 0;"> +<body style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 14px; width: 100% !important; min-height: 100%; line-height: 1.6; background: #f6f6f6; margin:0; padding: 0;"> +<table> + <tbody> + <tr> + <td style="vertical-align: top;" valign="top"></td> + <td width="700" style="vertical-align: top; display: block !important; max-width: 700px !important; clear: both !important; margin: 0 auto; padding: 0;" valign="top"> + <div style="max-width: 700px; display: block; margin: 0 auto; padding: 20px;"> + <table width="100%" cellpadding="0" cellspacing="0" style="background: #fff; border: 1px solid #e9e9e9;"> + <tbody> + <tr> + <td bgcolor="#eee" style="padding: 5px 20px 5px 20px; background-color: #eee;"> + <div style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 20px; color: #777; font-weight: bold;">netdata notification</div> + </td> + </tr> + <tr> + <td bgcolor="${color}" style="font-size: 16px; vertical-align: top; font-weight: 400; text-align: center; margin: 0; padding: 10px; color: #ffffff; background: ${color} !important; border: 1px solid ${color}; border-top-color: ${color};" align="center" valign="top"> + <h1 style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-weight: 400; margin: 0;">${host} ${status_message}</h1> + </td> + </tr> + <tr> + <td style="vertical-align: top;" valign="top"> + <div style="margin: 0; padding: 20px; max-width: 700px;"> + <table width="100%" cellpadding="0" cellspacing="0" style="max-width:700px"> + <tbody> + <tr> + <td style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 18px; vertical-align: top; margin: 0; padding:0 0 20px;" align="left" valign="top"> + <span>${chart}</span> + <span style="display: block; color: #666666; font-size: 12px; font-weight: 300; line-height: 1; text-transform: uppercase;">Chart</span> + </td> + </tr> + <tr style="margin: 0; padding: 0;"> + <td style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 18px; vertical-align: top; margin: 0; padding: 0 0 20px;" align="left" valign="top"> + <span><b>${alarm}</b>${info_html}</span> + <span style="display: block; color: #666666; font-size: 12px; font-weight: 300; line-height: 1; text-transform: uppercase;">Alarm</span> + </td> + </tr> + <tr> + <td style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 18px; vertical-align: top; margin: 0; padding: 0 0 20px;" align="left" valign="top"> + <span>${family}</span> + <span style="display: block; color: #666666; font-size: 12px; font-weight: 300; line-height: 1; text-transform: uppercase;">Family</span> + </td> + </tr> + <tr style="margin: 0; padding: 0;"> + <td style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 18px; vertical-align: top; margin: 0; padding: 0 0 20px;" align="left" valign="top"> + <span>${severity}</span> + <span style="display: block; color: #666666; font-size: 12px; font-weight: 300; line-height: 1; text-transform: uppercase;">Severity</span> + </td> + </tr> + <tr style="margin: 0; padding: 0;"> + <td style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 18px; vertical-align: top; margin: 0; padding: 0 0 20px;" align="left" valign="top"><span>${date}</span> + <span>${raised_for_html}</span> <span style="display: block; color: #666666; font-size: 12px; font-weight: 300; line-height: 1; text-transform: uppercase;">Time</span> + </td> + </tr> + <tr style="margin: 0; padding: 0;"> + <td style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 18px; vertical-align: top; margin: 0; padding: 0 0 20px;" align="left" valign="top"> + <span>${calc_expression}</span> + <span style="display: block; color: #666666; font-size: 12px; font-weight: 300; line-height: 1; text-transform: uppercase;">Evaluated Expression</span> + </td> + </tr> + <tr style="margin: 0; padding: 0;"> + <td style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 18px; vertical-align: top; margin: 0; padding: 0 0 20px;" align="left" valign="top"> + <span>${calc_param_values}</span> + <span style="display: block; color: #666666; font-size: 12px; font-weight: 300; line-height: 1; text-transform: uppercase;">Expression Variables</span> + </td> + </tr> + <tr style="margin: 0; padding: 0;"> + <td style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 18px; vertical-align: top; margin: 0; padding: 0 0 20px;" align="left" valign="top"> + The host has ${total_warnings} WARNING and ${total_critical} CRITICAL alarm(s) raised. + </td> + </tr> + + <tr style="margin: 0; padding: 0;"> + <td style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 18px; vertical-align: top; margin: 0; padding: 0 0 20px;"> + <a href="${goto_url}" style="font-size: 14px; color: #ffffff; text-decoration: none; line-height: 1.5; font-weight: bold; text-align: center; display: inline-block; text-transform: capitalize; background: #35568d; border-width: 1px; border-style: solid; border-color: #2b4c86; margin: 0; padding: 10px 15px;" target="_blank">View Netdata</a> + </td> + </tr> + <tr style="text-align: center; margin: 0; padding: 0;"> + <td style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 11px; vertical-align: top; margin: 0; padding: 10px 0 0 0; color: #666666;" align="center" valign="bottom">The source of this alarm is line <code>${src}</code><br/>(alarms are configurable, edit this file to adapt the alarm to your needs) + </td> + </tr> + <tr style="text-align: center; margin: 0; padding: 0;"> + <td style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 12px; vertical-align: top; margin:0; padding: 20px 0 0 0; color: #666666; border-top: 1px solid #f0f0f0;" align="center" valign="bottom">Sent by + <a href="https://mynetdata.io/" target="_blank">netdata</a>, the real-time performance and health monitoring, on <code>${host}</code>. + </td> + </tr> + </tbody> + </table> + </div> + </td> + </tr> + </tbody> + </table> + </div> + </td> + </tr> + </tbody> +</table> +</body> +</html> +EOF + +send_email <<EOF +To: ${to_email} +Subject: ${host} ${status_message} - ${name//_/ } - ${chart} +MIME-Version: 1.0 +Content-Type: multipart/alternative; boundary="multipart-boundary" +${email_thread_headers} + +This is a MIME-encoded multipart message + +--multipart-boundary +${email_plaintext_part} +--multipart-boundary +${email_html_part} +--multipart-boundary-- +EOF + +fi + +SENT_EMAIL=$? + +# ----------------------------------------------------------------------------- +# let netdata know +for state in "${SENT_EMAIL}" \ + "${SENT_PUSHOVER}" \ + "${SENT_TELEGRAM}" \ + "${SENT_SLACK}" \ + "${SENT_ROCKETCHAT}" \ + "${SENT_ALERTA}" \ + "${SENT_FLOCK}" \ + "${SENT_DISCORD}" \ + "${SENT_TWILIO}" \ + "${SENT_HIPCHAT}" \ + "${SENT_MESSAGEBIRD}" \ + "${SENT_KAVENEGAR}" \ + "${SENT_PUSHBULLET}" \ + "${SENT_KAFKA}" \ + "${SENT_PD}" \ + "${SENT_FLEEP}" \ + "${SENT_PROWL}" \ + "${SENT_CUSTOM}" \ + "${SENT_IRC}" \ + "${SENT_AWSSNS}" \ + "${SENT_SYSLOG}" \ + "${SENT_SMS}" \ + "${SENT_MSTEAM}"; do + if [ "${state}" -eq 0 ]; then + # we sent something + exit 0 + fi +done +# we did not send anything +exit 1 diff --git a/health/notifications/alerta/README.md b/health/notifications/alerta/README.md index 2826fe77..a34d2b79 100644 --- a/health/notifications/alerta/README.md +++ b/health/notifications/alerta/README.md @@ -26,7 +26,9 @@ configurations are out os scope of this tutorial but information about different deployment scenaries can be found in the [docs][3]. [1]: https://hub.docker.com/r/alerta/alerta-web/ + [2]: http://alerta.readthedocs.io/en/latest/gettingstarted/tutorial-1-deploy-alerta.html + [3]: http://docs.alerta.io/en/latest/deployment.html ## Send alarms to Alerta @@ -42,7 +44,9 @@ Step 2. configure Netdata to send alarms to Alerta On your system run: - $ /etc/netdata/edit-config health_alarm_notify.conf +```sh +/etc/netdata/edit-config health_alarm_notify.conf +``` and modify the file as below: @@ -70,13 +74,15 @@ DEFAULT_RECIPIENT_ALERTA="Production" We can test alarms using the standard approach: - $ /opt/netdata/netdata-plugins/plugins.d/alarm-notify.sh test +```sh +/opt/netdata/netdata-plugins/plugins.d/alarm-notify.sh test +``` Note: Netdata will send 3 alarms, and because last alarm is "CLEAR" you will not see them in main Alerta page, you need to select to see "closed" alarma in top-right lookup. A little change in `alarm-notify.sh` that let us test each state one by one will be useful. -For more information see [https://docs.alerta.io](https://docs.alerta.io) +For more information see <https://docs.alerta.io> -[]() +[](<>) diff --git a/health/notifications/awssns/README.md b/health/notifications/awssns/README.md index 5205d4cb..ed838dac 100644 --- a/health/notifications/awssns/README.md +++ b/health/notifications/awssns/README.md @@ -2,23 +2,25 @@ As part of it's AWS suite, Amazon provides a notification broker service called 'Simple Notification Service' or SNS. Amazon SNS works kind of similarly to Netdata's own notification system, allowing dispatch of a single notification to multiple subscribers of different types. Among other things, SNS supports sending notifications to: -* Email addresses. -* Mobile Phones via SMS. -* HTTP or HTTPS web hooks. -* AWS Lambda functions. -* AWS SQS queues. -* Mobile applications via push notifications. +- Email addresses. +- Mobile Phones via SMS. +- HTTP or HTTPS web hooks. +- AWS Lambda functions. +- AWS SQS queues. +- Mobile applications via push notifications. To get this working, you will need: -* The Amazon Web Services CLI tools. Most distributions provide these with the package name `awscli`. -* An actual home directory for the user you run Netdata as, instead of just using `/` as a home directory. Setup of this is distribution specific. `/var/lib/netdata` is the recommended directory (because the permissions will already be correct) if you are using a dedicated user (which is how most distributions work). -* An Amazon SNS topic to send notifications to with one or more subscribers. The [Getting Started](https://docs.aws.amazon.com/sns/latest/dg/GettingStarted.html) section of the Amazon SNS documentation covers the basics of how to set this up. Make note of the Topic ARN when you create the topic. -* While not mandatory, it is highly recommended to create a dedicated IAM user on your account for netdata to send notifications. This user needs to have programmatic access, and should only allow access to SNS. If you're really paranoid, you can create one for each system or group of systems. +- The Amazon Web Services CLI tools. Most distributions provide these with the package name `awscli`. +- An actual home directory for the user you run Netdata as, instead of just using `/` as a home directory. Setup of this is distribution specific. `/var/lib/netdata` is the recommended directory (because the permissions will already be correct) if you are using a dedicated user (which is how most distributions work). +- An Amazon SNS topic to send notifications to with one or more subscribers. The [Getting Started](https://docs.aws.amazon.com/sns/latest/dg/GettingStarted.html) section of the Amazon SNS documentation covers the basics of how to set this up. Make note of the Topic ARN when you create the topic. +- While not mandatory, it is highly recommended to create a dedicated IAM user on your account for Netdata to send notifications. This user needs to have programmatic access, and should only allow access to SNS. If you're really paranoid, you can create one for each system or group of systems. -Once you have all the above, run the follwing command as the user netdata runs under: +Once you have all the above, run the following command as the user Netdata runs under: - aws configure +``` +aws configure +``` THis will prompt you for the access key and secret key for accessing Amazon SNS (as well as the default region and output format, but you can leave those blank because we don't use them). @@ -26,8 +28,8 @@ Once that's done, you're ready to go and can specify the desired topic ARN as a Notes: - * Netdata's native email notification support is far better in almost all respects than it's support through Amazon SNS. If you want email notifications, use the native support, not SNS. - * If you need to change the notification format for SNS notifications, you can do so by specifying the format in `AWSSNS_MESSAGE_FORMAT` in the configuration. This variable supports all the same vairiables you can use in custom notifications. - * While Amazon SNS supports sending differently formatted messages for different delivery methods, netdata does not currently support this functionality. +- Netdata's native email notification support is far better in almost all respects than it's support through Amazon SNS. If you want email notifications, use the native support, not SNS. + - If you need to change the notification format for SNS notifications, you can do so by specifying the format in `AWSSNS_MESSAGE_FORMAT` in the configuration. This variable supports all the same vairiables you can use in custom notifications. + - While Amazon SNS supports sending differently formatted messages for different delivery methods, Netdata does not currently support this functionality. -[]() +[](<>) diff --git a/health/notifications/custom/README.md b/health/notifications/custom/README.md index eeaad8a6..18df7954 100644 --- a/health/notifications/custom/README.md +++ b/health/notifications/custom/README.md @@ -39,45 +39,45 @@ The following is a sample `custom_sender` function in `health_alarm_notify.conf` Variables available to the custom_sender: - - `${to_custom}` the list of recipients for the alarm - - `${host}` the host generated this event - - `${url_host}` same as `${host}` but URL encoded - - `${unique_id}` the unique id of this event - - `${alarm_id}` the unique id of the alarm that generated this event - - `${event_id}` the incremental id of the event, for this alarm id - - `${when}` the timestamp this event occurred - - `${name}` the name of the alarm, as given in netdata health.d entries - - `${url_name}` same as `${name}` but URL encoded - - `${chart}` the name of the chart (type.id) - - `${url_chart}` same as `${chart}` but URL encoded - - `${family}` the family of the chart - - `${url_family}` same as `${family}` but URL encoded - - `${status}` the current status : REMOVED, UNINITIALIZED, UNDEFINED, CLEAR, WARNING, CRITICAL - - `${old_status}` the previous status: REMOVED, UNINITIALIZED, UNDEFINED, CLEAR, WARNING, CRITICAL - - `${value}` the current value of the alarm - - `${old_value}` the previous value of the alarm - - `${src}` the line number and file the alarm has been configured - - `${duration}` the duration in seconds of the previous alarm state - - `${duration_txt}` same as `${duration}` for humans - - `${non_clear_duration}` the total duration in seconds this is/was non-clear - - `${non_clear_duration_txt}` same as `${non_clear_duration}` for humans - - `${units}` the units of the value - - `${info}` a short description of the alarm - - `${value_string}` friendly value (with units) - - `${old_value_string}` friendly old value (with units) - - `${image}` the URL of an image to represent the status of the alarm - - `${color}` a color in #AABBCC format for the alarm - - `${goto_url}` the URL the user can click to see the netdata dashboard - - `${calc_expression}` the expression evaluated to provide the value for the alarm - - `${calc_param_values}` the value of the variables in the evaluated expression - - `${total_warnings}` the total number of alarms in WARNING state on the host - - `${total_critical}` the total number of alarms in CRITICAL state on the host +- `${to_custom}` the list of recipients for the alarm +- `${host}` the host generated this event +- `${url_host}` same as `${host}` but URL encoded +- `${unique_id}` the unique id of this event +- `${alarm_id}` the unique id of the alarm that generated this event +- `${event_id}` the incremental id of the event, for this alarm id +- `${when}` the timestamp this event occurred +- `${name}` the name of the alarm, as given in Netdata health.d entries +- `${url_name}` same as `${name}` but URL encoded +- `${chart}` the name of the chart (type.id) +- `${url_chart}` same as `${chart}` but URL encoded +- `${family}` the family of the chart +- `${url_family}` same as `${family}` but URL encoded +- `${status}` the current status : REMOVED, UNINITIALIZED, UNDEFINED, CLEAR, WARNING, CRITICAL +- `${old_status}` the previous status: REMOVED, UNINITIALIZED, UNDEFINED, CLEAR, WARNING, CRITICAL +- `${value}` the current value of the alarm +- `${old_value}` the previous value of the alarm +- `${src}` the line number and file the alarm has been configured +- `${duration}` the duration in seconds of the previous alarm state +- `${duration_txt}` same as `${duration}` for humans +- `${non_clear_duration}` the total duration in seconds this is/was non-clear +- `${non_clear_duration_txt}` same as `${non_clear_duration}` for humans +- `${units}` the units of the value +- `${info}` a short description of the alarm +- `${value_string}` friendly value (with units) +- `${old_value_string}` friendly old value (with units) +- `${image}` the URL of an image to represent the status of the alarm +- `${color}` a color in #AABBCC format for the alarm +- `${goto_url}` the URL the user can click to see the Netdata dashboard +- `${calc_expression}` the expression evaluated to provide the value for the alarm +- `${calc_param_values}` the value of the variables in the evaluated expression +- `${total_warnings}` the total number of alarms in WARNING state on the host +- `${total_critical}` the total number of alarms in CRITICAL state on the host The following are more human friendly: - - `${alarm}` like "name = value units" - - `${status_message}` like "needs attention", "recovered", "is critical" - - `${severity}` like "Escalated to CRITICAL", "Recovered from WARNING" - - `${raised_for}` like "(alarm was raised for 10 minutes)" +- `${alarm}` like "name = value units" +- `${status_message}` like "needs attention", "recovered", "is critical" +- `${severity}` like "Escalated to CRITICAL", "Recovered from WARNING" +- `${raised_for}` like "(alarm was raised for 10 minutes)" -[]() +[](<>) diff --git a/health/notifications/discord/README.md b/health/notifications/discord/README.md index 7694fef4..88e0a970 100644 --- a/health/notifications/discord/README.md +++ b/health/notifications/discord/README.md @@ -6,8 +6,8 @@ This is what you will get: You need: -1. The **incoming webhook URL** as given by Discord. Create a webhook by following the official [Discord documentation](https://support.discordapp.com/hc/en-us/articles/228383668-Intro-to-Webhooks). You can use the same on all your netdata servers (or you can have multiple if you like - your decision). -2. One or more Discord channels to post the messages to. +1. The **incoming webhook URL** as given by Discord. Create a webhook by following the official [Discord documentation](https://support.discordapp.com/hc/en-us/articles/228383668-Intro-to-Webhooks). You can use the same on all your Netdata servers (or you can have multiple if you like - your decision). +2. One or more Discord channels to post the messages to. Set them in `/etc/netdata/health_alarm_notify.conf` (to edit it on your system run `/etc/netdata/edit-config health_alarm_notify.conf`), like this: @@ -29,7 +29,6 @@ DISCORD_WEBHOOK_URL="https://discordapp.com/api/webhooks/XXXXXXXXXXXXX/XXXXXXXXX # this discord channel (empty = do not send a notification for unconfigured # roles): DEFAULT_RECIPIENT_DISCORD="alarms" - ``` You can define multiple channels like this: `alarms systems`. @@ -43,4 +42,4 @@ role_recipients_discord[webmaster]="marketing development" The keywords `systems`, `databases`, `marketing`, `development` are discordapp.com channels (they should already exist within your discord server). -[]() +[](<>) diff --git a/health/notifications/email/README.md b/health/notifications/email/README.md index 84a9e0ce..92916d19 100644 --- a/health/notifications/email/README.md +++ b/health/notifications/email/README.md @@ -2,7 +2,7 @@ You need a working `sendmail` command for email alerts to work. Almost all MTAs provide a `sendmail` interface. -netdata sends all emails as user `netdata`, so make sure your `sendmail` works for local users. +Netdata sends all emails as user `netdata`, so make sure your `sendmail` works for local users. email notifications look like this: @@ -16,7 +16,7 @@ You can configure recipients in [`/etc/netdata/health_alarm_notify.conf`](https: You can also configure per role recipients [in the same file, a few lines below](https://github.com/netdata/netdata/blob/99d44b7d0c4e006b11318a28ba4a7e7d3f9b3bae/conf.d/health_alarm_notify.conf#L313). -Changes to this file do not require netdata restart. +Changes to this file do not require a Netdata restart. You can test your configuration by issuing the commands: @@ -30,6 +30,7 @@ sudo su -s /bin/bash netdata Where `[ROLE]` is the role you want to test. The default (if you don't give a `[ROLE]`) is `sysadmin`. -Note that in versions before 1.16, the plugins.d directory may be installed in a different location in certain OSs (e.g. under `/usr/lib/netdata`). You can always find the location of the alarm-notify.sh script in `netdata.conf`. +Note that in versions before 1.16, the plugins.d directory may be installed in a different location in certain OSs (e.g. under `/usr/lib/netdata`). +You can always find the location of the alarm-notify.sh script in `netdata.conf`. -[]() +[](<>) diff --git a/health/notifications/flock/README.md b/health/notifications/flock/README.md index 0d679ce6..658fc7b8 100644 --- a/health/notifications/flock/README.md +++ b/health/notifications/flock/README.md @@ -2,14 +2,14 @@ This is what you will get: -  You need: -The **incoming webhook URL** as given by flock.com. You can use the same on all your netdata servers (or you can have multiple if you like - your decision). +The **incoming webhook URL** as given by flock.com. +You can use the same on all your Netdata servers (or you can have multiple if you like - your decision). -Get them here: https://admin.flock.com/webhooks +Get them here: <https://admin.flock.com/webhooks> Set them in `/etc/netdata/health_alarm_notify.conf` (to edit it on your system run `/etc/netdata/edit-config health_alarm_notify.conf`), like this: @@ -21,13 +21,12 @@ Set them in `/etc/netdata/health_alarm_notify.conf` (to edit it on your system r SEND_FLOCK="YES" # Login to flock.com and create an incoming webhook. -# You need only one for all your netdata servers. -# Without it, netdata cannot send flock notifications. +# You need only one for all your Netdata servers. +# Without it, Netdata cannot send flock notifications. FLOCK_WEBHOOK_URL="https://api.flock.com/hooks/sendMessage/XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX" # if a role recipient is not configured, no notification will be sent DEFAULT_RECIPIENT_FLOCK="alarms" - ``` -[]() +[](<>) diff --git a/health/notifications/irc/README.md b/health/notifications/irc/README.md index 9ea86e92..36590eb7 100644 --- a/health/notifications/irc/README.md +++ b/health/notifications/irc/README.md @@ -2,15 +2,15 @@ This is what you will get: -IRCCloud web client: +IRCCloud web client:\  Irssi terminal client:  - You need: -1. The `nc` utility. If you do not set the path, netdata will search for it in your system `$PATH`. + +1. The `nc` utility. If you do not set the path, Netdata will search for it in your system `$PATH`. Set the path for `nc` in `/etc/netdata/health_alarm_notify.conf` (to edit it on your system run `/etc/netdata/edit-config health_alarm_notify.conf`), like this: @@ -22,12 +22,11 @@ Set the path for `nc` in `/etc/netdata/health_alarm_notify.conf` (to edit it on # If empty, the system $PATH will be searched for it. # If not found, irc notifications will be silently disabled. nc="/usr/bin/nc" - ``` -2. Αn `IRC_NETWORK` to which your preffered channels belong to. -3. One or more channels ( `DEFAULT_RECIPIENT_IRC` ) to post the messages to. -4. An `IRC_NICKNAME` and an `IRC_REALNAME` to identify in IRC. +2. Αn `IRC_NETWORK` to which your preffered channels belong to. +3. One or more channels ( `DEFAULT_RECIPIENT_IRC` ) to post the messages to. +4. An `IRC_NICKNAME` and an `IRC_REALNAME` to identify in IRC. Set them in `/etc/netdata/health_alarm_notify.conf` (to edit it on your system run `/etc/netdata/edit-config health_alarm_notify.conf`), like this: @@ -57,11 +56,10 @@ IRC_NICKNAME="netdata-alarm-user" # The irc realname which is required in order to make the connection and is an # extra identifier. IRC_REALNAME="netdata-user" - ``` -You can define multiple channels like this: `#system-alarms #networking-alarms`. -You can also filter the notifications like this: `#system-alarms|critical`. +You can define multiple channels like this: `#system-alarms #networking-alarms`.\ +You can also filter the notifications like this: `#system-alarms|critical`.\ You can give different channels per **role** using these (at the same file): ``` @@ -72,4 +70,4 @@ role_recipients_irc[webmaster]="#networking-alarms" The keywords `#user-alarms`, `#networking-alarms`, `#system-alarms`, `#databases-alarms` are irc channels which belong to the specified IRC network. -[]() +[](<>) diff --git a/health/notifications/kavenegar/README.md b/health/notifications/kavenegar/README.md index d833eef8..495b5338 100644 --- a/health/notifications/kavenegar/README.md +++ b/health/notifications/kavenegar/README.md @@ -8,10 +8,10 @@ Will look like this on your Android device: You will need: -1. Signup and Login to kavenegar.com -2. Get your APIKEY and Sender from http://panel.kavenegar.com/client/setting/account -3. Fill in KAVENEGAR_API_KEY="" KAVENEGAR_SENDER="" -4. Add the recipient phone numbers to DEFAULT_RECIPIENT_KAVENEGAR="" +1. Signup and Login to kavenegar.com +2. Get your APIKEY and Sender from <http://panel.kavenegar.com/client/setting/account> +3. Fill in KAVENEGAR_API_KEY="" KAVENEGAR_SENDER="" +4. Add the recipient phone numbers to DEFAULT_RECIPIENT_KAVENEGAR="" Set them in `/etc/netdata/health_alarm_notify.conf` (to edit it on your system run `/etc/netdata/edit-config health_alarm_notify.conf`), like this: @@ -32,10 +32,10 @@ SEND_KAVENEGAR="YES" # copy your api key. You can generate new API Key too. # You can find and select kevenegar sender number from this place. -# Without an API key, netdata cannot send KAVENEGAR text messages. +# Without an API key, Netdata cannot send KAVENEGAR text messages. KAVENEGAR_API_KEY="" KAVENEGAR_SENDER="" DEFAULT_RECIPIENT_KAVENEGAR="" ``` -[]() +[](<>) diff --git a/health/notifications/messagebird/README.md b/health/notifications/messagebird/README.md index cdb3e8dc..30d52a4f 100644 --- a/health/notifications/messagebird/README.md +++ b/health/notifications/messagebird/README.md @@ -6,12 +6,12 @@ The messagebird notifications will look like this on your Android device: You will need: -1. Signup and Login to messagebird.com -2. Pick an SMS capable number after sign up to get some free credits -3. Go to <https://www.messagebird.com/app/settings/developers/access> -4. Create a new access key under 'API ACCESS (REST)' (you will want a live key) -3. Fill in MESSAGEBIRD_ACCESS_KEY="XXXXXXXX" MESSAGEBIRD_NUMBER="+XXXXXXXXXXX" -4. Add the recipient phone numbers to DEFAULT_RECIPIENT_MESSAGEBIRD="+XXXXXXXXXXX" +1. Signup and Login to messagebird.com +2. Pick an SMS capable number after sign up to get some free credits +3. Go to <https://www.messagebird.com/app/settings/developers/access> +4. Create a new access key under 'API ACCESS (REST)' (you will want a live key) +5. Fill in MESSAGEBIRD_ACCESS_KEY="XXXXXXXX" MESSAGEBIRD_NUMBER="+XXXXXXXXXXX" +6. Add the recipient phone numbers to DEFAULT_RECIPIENT_MESSAGEBIRD="+XXXXXXXXXXX" Set them in `/etc/netdata/health_alarm_notify.conf` (to edit it on your system run `/etc/netdata/edit-config health_alarm_notify.conf`), like this: @@ -31,11 +31,10 @@ SEND_MESSAGEBIRD="YES" # to get the API key, click on 'API' in the sidebar, then 'API Access (REST)' # click 'Add access key' and fill in data (you want a live key to send SMS) -# Without an access key, netdata cannot send Messagebird text messages. +# Without an access key, Netdata cannot send Messagebird text messages. MESSAGEBIRD_ACCESS_KEY="XXXXXXXX" MESSAGEBIRD_NUMBER="XXXXXXX" DEFAULT_RECIPIENT_MESSAGEBIRD="XXXXXXX" - ``` -[]() +[](<>) diff --git a/health/notifications/pagerduty/README.md b/health/notifications/pagerduty/README.md index 884b9792..59a48515 100644 --- a/health/notifications/pagerduty/README.md +++ b/health/notifications/pagerduty/README.md @@ -2,13 +2,13 @@ [PagerDuty](https://www.pagerduty.com/company/) is the enterprise incident resolution service that integrates with ITOps and DevOps monitoring stacks to improve operational reliability and agility. From enriching and aggregating events to correlating them into incidents, PagerDuty streamlines the incident management process by reducing alert noise and resolution times. -Here is an example of a PagerDuty dashboard with netdata notifications: +Here is an example of a PagerDuty dashboard with Netdata notifications: - + -To have netdata send notifications to PagerDuty, you'll first need to set up a PagerDuty `Generic API` service and install the PagerDuty agent on the host running netdata. See the following guide for details: +To have Netdata send notifications to PagerDuty, you'll first need to set up a PagerDuty `Generic API` service and install the PagerDuty agent on the host running Netdata. See the following guide for details: -https://www.pagerduty.com/docs/guides/agent-install-guide/ +<https://www.pagerduty.com/docs/guides/agent-install-guide/> During the setup of the `Generic API` PagerDuty service, you'll obtain a `pagerduty service key`. Keep this **service key** handy. @@ -34,4 +34,4 @@ SEND_PD="YES" DEFAULT_RECIPIENT_PD="<service key>" ``` -[]() +[](<>) diff --git a/health/notifications/prowl/Makefile.inc b/health/notifications/prowl/Makefile.inc deleted file mode 100644 index 08e4c2e5..00000000 --- a/health/notifications/prowl/Makefile.inc +++ /dev/null @@ -1,12 +0,0 @@ -# SPDX-License-Identifier: GPL-3.0-or-later - -# THIS IS NOT A COMPLETE Makefile -# IT IS INCLUDED BY ITS PARENT'S Makefile.am -# IT IS REQUIRED TO REFERENCE ALL FILES RELATIVE TO THE PARENT - -# install these files -dist_noinst_DATA += \ - prowl/README.md \ - prowl/Makefile.inc \ - $(NULL) - diff --git a/health/notifications/prowl/README.md b/health/notifications/prowl/README.md deleted file mode 100644 index 1f060edc..00000000 --- a/health/notifications/prowl/README.md +++ /dev/null @@ -1,22 +0,0 @@ -# prowl - -(Prowl)[1] is a push notification service for iOS devices. Netdata -supprots delivering notifications to iOS devices through Prowl. - -Because of how Netdata integrates with Prowl, there is a hard limit of -at most 1000 notifications per hour (starting from the first notification -sent). Any alerts beyond the first thousand in an hour will be dropped. - -Warning messages will be sent with the 'High' priority, critical messages -will be sent with the 'Emergency' priority, and all other messages will -be sent with the normal priority. Opening the notification's associated -URL will take you to the Netdata dashboard of the system that issued -the alert, directly to the chart that it triggered on. - -## configuration - -To use this, you will need a Prowl API key, which can be rquested through -the Prowl website after registering. - -Once you have an API key, simply specify that as a recipient for Prowl -notifications. diff --git a/health/notifications/pushbullet/README.md b/health/notifications/pushbullet/README.md index 42b343e4..f5673eca 100644 --- a/health/notifications/pushbullet/README.md +++ b/health/notifications/pushbullet/README.md @@ -5,16 +5,15 @@ Will look like this on your browser: And like this on your Android device: -  You will need: -1. Signup and Login to pushbullet.com -2. Get your Access Token, go to https://www.pushbullet.com/#settings/account and create a new one -3. Fill in the PUSHBULLET_ACCESS_TOKEN with that value -4. Add the recipient emails to DEFAULT_RECIPIENT_PUSHBULLET -!!PLEASE NOTE THAT IF THE RECIPIENT DOES NOT HAVE A PUSHBULLET ACCOUNT, PUSHBULLET SERVICE WILL SEND AN EMAIL!! +1. Signup and Login to pushbullet.com +2. Get your Access Token, go to <https://www.pushbullet.com/#settings/account> and create a new one +3. Fill in the PUSHBULLET_ACCESS_TOKEN with that value +4. Add the recipient emails to DEFAULT_RECIPIENT_PUSHBULLET + !!PLEASE NOTE THAT IF THE RECIPIENT DOES NOT HAVE A PUSHBULLET ACCOUNT, PUSHBULLET SERVICE WILL SEND AN EMAIL!! Set them in `/etc/netdata/health_alarm_notify.conf` (to edit it on your system run `/etc/netdata/edit-config health_alarm_notify.conf`), like this: @@ -36,9 +35,9 @@ SEND_PUSHBULLET="YES" # not have a pushbullet account, the pushbullet service will send an email # to that address instead -# Without an access token, netdata cannot send pushbullet notifications. +# Without an access token, Netdata cannot send pushbullet notifications. PUSHBULLET_ACCESS_TOKEN="o.Sometokenhere" DEFAULT_RECIPIENT_PUSHBULLET="admin1@example.com admin3@somemail.com" ``` -[]() +[](<>) diff --git a/health/notifications/pushover/README.md b/health/notifications/pushover/README.md index 1debf5dc..2d488d1a 100644 --- a/health/notifications/pushover/README.md +++ b/health/notifications/pushover/README.md @@ -2,12 +2,12 @@ pushover.net allows you to receive push notifications on your mobile phone. The service seems free for up to 7.500 messages per month. -netdata will send warning messages with priority `0` and critical messages with priority `1`. pushover.net allows you to select do-not-disturb hours. The way this is configured, critical notifications will ring and vibrate your phone, even during the do-not-disturb-hours. All other notifications will be delivered silently. +Netdata will send warning messages with priority `0` and critical messages with priority `1`. pushover.net allows you to select do-not-disturb hours. The way this is configured, critical notifications will ring and vibrate your phone, even during the do-not-disturb-hours. All other notifications will be delivered silently. You need: -1. APP TOKEN. You can use the same on all your netdata servers. -2. USER TOKEN for each user you are going to send notifications to. This is the actual recipient of the notification. +1. APP TOKEN. You can use the same on all your Netdata servers. +2. USER TOKEN for each user you are going to send notifications to. This is the actual recipient of the notification. The configuration is like above (slack messages). @@ -15,4 +15,4 @@ pushover.net notifications look like this:  -[]() +[](<>) diff --git a/health/notifications/rocketchat/README.md b/health/notifications/rocketchat/README.md index f05e73f0..47ac5e3f 100644 --- a/health/notifications/rocketchat/README.md +++ b/health/notifications/rocketchat/README.md @@ -4,10 +4,10 @@ This is what you will get:  You need: -1. The **incoming webhook URL** as given by RocketChat. You can use the same on all your netdata servers (or you can have multiple if you like - your decision). -2. One or more channels to post the messages to. +1. The **incoming webhook URL** as given by RocketChat. You can use the same on all your Netdata servers (or you can have multiple if you like - your decision). +2. One or more channels to post the messages to. -Get them here: https://rocket.chat/docs/administrator-guides/integrations/index.html#how-to-create-a-new-incoming-webhook +Get them here: <https://rocket.chat/docs/administrator-guides/integrations/index.html#how-to-create-a-new-incoming-webhook> Set them in `/etc/netdata/health_alarm_notify.conf` (to edit it on your system run `/etc/netdata/edit-config health_alarm_notify.conf`), like this: @@ -22,15 +22,14 @@ Set them in `/etc/netdata/health_alarm_notify.conf` (to edit it on your system r SEND_ROCKETCHAT="YES" # Login to rocket.chat and create an incoming webhook. You need only one for all -# your netdata servers (or you can have one for each of your netdata). -# Without it, netdata cannot send rocketchat notifications. +# your Netdata servers (or you can have one for each of your Netdata). +# Without it, Netdata cannot send rocketchat notifications. ROCKETCHAT_WEBHOOK_URL="<your_incoming_webhook_url>" # if a role's recipients are not configured, a notification will be send to # this rocketchat channel (empty = do not send a notification for unconfigured # roles). DEFAULT_RECIPIENT_ROCKETCHAT="monitoring_alarms" - ``` You can define multiple channels like this: `alarms systems`. @@ -45,4 +44,4 @@ role_recipients_rocketchat[webmaster]="marketing development" The keywords `systems`, `databases`, `marketing`, `development` are RocketChat channels (they should already exist). Both public and private channels can be used, even if they differ from the channel configured in yout RocketChat incomming webhook. -[]() +[](<>) diff --git a/health/notifications/slack/README.md b/health/notifications/slack/README.md index 0616de46..2352d27c 100644 --- a/health/notifications/slack/README.md +++ b/health/notifications/slack/README.md @@ -5,11 +5,11 @@ This is what you will get: You need: -1. The **incoming webhook URL** as given by slack.com. You can use the same on all your netdata servers (or you can have multiple if you like - your decision). -2. One or more channels to post the messages to. +1. The **incoming webhook URL** as given by slack.com. You can use the same on all your Netdata servers (or you can have multiple if you like - your decision). +2. One or more channels to post the messages to. To get a webhook that works on multiple channels, you will need to login to your slack.com workspace and create an incoming webhook using the [Incoming Webhooks App](https://slack.com/apps/A0F7XDUAZ-incoming-webhooks). -Do NOT use the instructions in https://api.slack.com/incoming-webhooks#enable_webhooks, as the particular webhooks work only for a single channel. +Do NOT use the instructions in <https://api.slack.com/incoming-webhooks#enable_webhooks>, as the particular webhooks work only for a single channel. Set the webhook and the recipients in `/etc/netdata/health_alarm_notify.conf` (to edit it on your system run `/etc/netdata/edit-config health_alarm_notify.conf`), like this: @@ -24,15 +24,15 @@ SLACK_WEBHOOK_URL="https://hooks.slack.com/services/XXXXXXXX/XXXXXXXX/XXXXXXXXXX # - The channel or user defined in slack for the webhook (syntax: '#') # empty = do not send a notification for unconfigured roles DEFAULT_RECIPIENT_SLACK="alarms" - ``` You can define multiple recipients like this: `# #alarms systems @myuser`. This example will send the alarm to: -- The recipient defined in slack for the webhook (not known to netdata) -- The channel 'alarms' -- The channel 'systems' -- The user @myuser + +- The recipient defined in slack for the webhook (not known to Netdata) +- The channel 'alarms' +- The channel 'systems' +- The user @myuser You can give different recipients per **role** using these (at the same file): @@ -42,4 +42,4 @@ role_recipients_slack[dba]="databases systems" role_recipients_slack[webmaster]="marketing development" ``` -[]() +[](<>) diff --git a/health/notifications/smstools3/README.md b/health/notifications/smstools3/README.md index 4a146985..28184b3c 100644 --- a/health/notifications/smstools3/README.md +++ b/health/notifications/smstools3/README.md @@ -2,12 +2,12 @@ The [SMS Server Tools 3](http://smstools3.kekekasvi.com/) is a SMS Gateway software which can send and receive short messages through GSM modems and mobile phones. -To have netdata send notifications via SMS Server Tools 3, you'll first need to [install](http://smstools3.kekekasvi.com/index.php?p=compiling) and [configure](http://smstools3.kekekasvi.com/index.php?p=configure) smsd. +To have Netdata send notifications via SMS Server Tools 3, you'll first need to [install](http://smstools3.kekekasvi.com/index.php?p=compiling) and [configure](http://smstools3.kekekasvi.com/index.php?p=configure) smsd. Ensure that the user `netdata` can execute `sendsms`. Any user executing `sendsms` needs to: -* Have write permissions to `/tmp` and `/var/spool/sms/outgoing` -* Be a member of group `smsd` +- Have write permissions to `/tmp` and `/var/spool/sms/outgoing` +- Be a member of group `smsd` To ensure that the steps above are successful, just `su netdata` and execute `sendsms phone message`. @@ -36,4 +36,4 @@ Netdata uses the script `sendsms` that is installed by `smstools3` and just pass sendsms="" ``` -[]() +[](<>) diff --git a/health/notifications/syslog/README.md b/health/notifications/syslog/README.md index 597db0cd..5f1d5d8b 100644 --- a/health/notifications/syslog/README.md +++ b/health/notifications/syslog/README.md @@ -4,7 +4,9 @@ You need a working `logger` command for this to work. This is the case on prett Logged messages will look like this: - netdata WARNING on hostname at Tue Apr 3 09:00:00 EDT 2018: disk_space._ out of disk space time = 5h +``` +netdata WARNING on hostname at Tue Apr 3 09:00:00 EDT 2018: disk_space._ out of disk space time = 5h +``` ## configuration @@ -14,12 +16,14 @@ You can als configure per-role targets in the same file a bit further down. Targets are defined as follows: - [[facility.level][@host[:port]]/]prefix +``` +[[facility.level][@host[:port]]/]prefix +``` `prefix` defines what the log messages are prefixed with. By default, all lines are prefixed with 'netdata'. -The `facility` and `level` are the standard syslog facility and level options, for more info on them see your local `logger` and `syslog` documentation. By default, netdata will log to the `local6` facility, with a log level dependent on the type of message (`crit` for CRITICAL, `warning` for WARNING, and `info` for everything else). +The `facility` and `level` are the standard syslog facility and level options, for more info on them see your local `logger` and `syslog` documentation. By default, Netdata will log to the `local6` facility, with a log level dependent on the type of message (`crit` for CRITICAL, `warning` for WARNING, and `info` for everything else). You can configure sending directly to remote log servers by specifying a host (and optionally a port). However, this has a somewhat high overhead, so it is much preferred to use your local syslog daemon to handle the forwarding of messages to remote systems (pretty much all of them allow at least simple forwarding, and most of the really popular ones support complex queueing and routing of messages to remote log servers). -[]() +[](<>) diff --git a/health/notifications/telegram/README.md b/health/notifications/telegram/README.md index 9d652542..981030ef 100644 --- a/health/notifications/telegram/README.md +++ b/health/notifications/telegram/README.md @@ -4,13 +4,13 @@ With Telegram, you can send messages, photos, videos and files of any type (doc, zip, mp3, etc), as well as create groups for up to 30,000 people or channels for broadcasting to unlimited audiences. You can write to your phone contacts and find people by their usernames. As a result, Telegram is like SMS and email combined — and can take care of all your personal or business messaging needs. -netdata will send warning messages without vibration. +Netdata will send warning messages without vibration. You need: -1. A bot token. To get one, contact the [@BotFather](https://t.me/BotFather) bot and send the command `/newbot`. Follow the instructions. -2. A chat id for every chat you want to send messages to. Contact the [@myidbot](https://t.me/myidbot) bot and send the command `/getid` to get your personal chat id or invite him into a group and issue the same command to get the group chat id. -3. Start a conversation with your bot or invite him into a group you want to sent messages to. +1. A bot token. To get one, contact the [@BotFather](https://t.me/BotFather) bot and send the command `/newbot`. Follow the instructions. +2. A chat id for every chat you want to send messages to. Contact the [@myidbot](https://t.me/myidbot) bot and send the command `/getid` to get your personal chat id or invite him into a group and issue the same command to get the group chat id. +3. Start a conversation with your bot or invite him into a group you want to sent messages to. See slack for configuration. @@ -18,4 +18,4 @@ Telegram messages look like this:  -[]() +[](<>) diff --git a/health/notifications/twilio/README.md b/health/notifications/twilio/README.md index 743f54e3..8c8d7cfb 100644 --- a/health/notifications/twilio/README.md +++ b/health/notifications/twilio/README.md @@ -6,11 +6,11 @@ Will look like this on your Android device: You will need: -1. Signup and Login to twilio.com -2. Pick an SMS capable number during sign up. -3. Get your SID, and Token from <https://www.twilio.com/console> -3. Fill in TWILIO_ACCOUNT_SID="XXXXXXXX" TWILIO_ACCOUNT_TOKEN="XXXXXXXXX" TWILIO_NUMBER="+XXXXXXXXXXX" -4. Add the recipient phone numbers to DEFAULT_RECIPIENT_TWILIO="+XXXXXXXXXXX" +1. Signup and Login to twilio.com +2. Pick an SMS capable number during sign up. +3. Get your SID, and Token from <https://www.twilio.com/console> +4. Fill in TWILIO_ACCOUNT_SID="XXXXXXXX" TWILIO_ACCOUNT_TOKEN="XXXXXXXXX" TWILIO_NUMBER="+XXXXXXXXXXX" +5. Add the recipient phone numbers to DEFAULT_RECIPIENT_TWILIO="+XXXXXXXXXXX" !!PLEASE NOTE THAT IF YOUR ACCOUNT IS A TRIAL ACCOUNT YOU WILL ONLY BE ABLE TO SEND NOTIFICATIONS TO THE NUMBER YOU SIGNED UP WITH @@ -32,11 +32,11 @@ SEND_TWILIO="YES" # Then just set the recipients' phone numbers. # The trial account is only allowed to use the number specified when set up. -# Without an account sid and token, netdata cannot send Twilio text messages. +# Without an account sid and token, Netdata cannot send Twilio text messages. TWILIO_ACCOUNT_SID="xxxxxxxxx" TWILIO_ACCOUNT_TOKEN="xxxxxxxxxx" TWILIO_NUMBER="xxxxxxxxxxx" DEFAULT_RECIPIENT_TWILIO="+15555555555" ``` -[]() +[](<>) diff --git a/health/notifications/web/README.md b/health/notifications/web/README.md index 0aac9419..8eed06bf 100644 --- a/health/notifications/web/README.md +++ b/health/notifications/web/README.md @@ -1,8 +1,8 @@ # Dashboard -The netdata dashboard shows HTML notifications, when it is open. +The Netdata dashboard shows HTML notifications, when it is open. Such web notifications look like this:  -[]() +[](<>) |