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Diffstat (limited to 'charts.d/README.md')
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diff --git a/charts.d/README.md b/charts.d/README.md index 37c9d22e..748af08a 100644 --- a/charts.d/README.md +++ b/charts.d/README.md @@ -1,5 +1,76 @@ The following charts.d plugins are supported: +--- + +# hddtemp + +The plugin will collect temperatures from disks + +It will create one chart with all active disks + +1. **temperature in Celsius** + +### configuration + +hddtemp needs to be running in daemonized mode + +```sh +# host with daemonized hddtemp +hddtemp_host="localhost" + +# port on which hddtemp is showing data +hddtemp_port="7634" + +# array of included disks +# the default is to include all +hddtemp_disks=() +``` + +--- + +# libreswan + +The plugin will collects bytes-in, bytes-out and uptime for all established libreswan IPSEC tunnels. + +The following charts are created, **per tunnel**: + +1. **Uptime** + + * the uptime of the tunnel + +2. **Traffic** + + * bytes in + * bytes out + +### configuration + +Its config file is `/etc/netdata/charts.d/libreswan.conf`. + +The plugin executes 2 commands to collect all the information it needs: + +```sh +ipsec whack --status +ipsec whack --trafficstatus +``` + +The first command is used to extract the currently established tunnels, their IDs and their names. +The second command is used to extract the current uptime and traffic. + +Most probably user `netdata` will not be able to query libreswan, so the `ipsec` commands will be denied. +The plugin attempts to run `ipsec` as `sudo ipsec ...`, to get access to libreswan statistics. + +To allow user `netdata` execute `sudo ipsec ...`, create the file `/etc/sudoers.d/netdata` with this content: + +``` +netdata ALL = (root) NOPASSWD: /sbin/ipsec whack --status +netdata ALL = (root) NOPASSWD: /sbin/ipsec whack --trafficstatus +``` + +Make sure the path `/sbin/ipsec` matches your setup (execute `which ipsec` to find the right path). + +--- + # mysql The plugin will monitor one or more mysql servers @@ -76,67 +147,89 @@ The above sets the mysql command only for server2. server1 will use the system d If no configuration is given, the plugin will attempt to connect to mysql server at localhost. + --- -# squid +# nut -The plugin will monitor a squid server. +The plugin will collect UPS data for all UPSes configured in the system. -It will produce 4 charts: +The following charts will be created: -1. **Squid Client Bandwidth** in kbps +1. **UPS Charge** - * in - * out - * hits + * percentage changed -2. **Squid Client Requests** in requests/sec +2. **UPS Battery Voltage** - * requests - * hits - * errors + * current voltage + * high voltage + * low voltage + * nominal voltage -3. **Squid Server Bandwidth** in kbps +3. **UPS Input Voltage** - * in - * out + * current voltage + * fault voltage + * nominal voltage -4. **Squid Server Requests** in requests/sec +4. **UPS Input Current** - * requests - * errors + * nominal current -### autoconfig +5. **UPS Input Frequency** -The plugin will by itself detect squid servers running on -localhost, on ports 3128 or 8080. + * current frequency + * nominal frequency -It will attempt to download URLs in the form: +6. **UPS Output Voltage** -- `cache_object://HOST:PORT/counters` -- `/squid-internal-mgr/counters` + * current voltage + +7. **UPS Load** + + * current load + +8. **UPS Temperature** + + * current temperature -If any succeeds, it will use this. ### configuration -If you need to configure it by hand, create the file -`/etc/netdata/squid.conf` with the following variables: +This is the internal default for `/etc/netdata/nut.conf` -- `squid_host=IP` the IP of the squid host -- `squid_port=PORT` the port the squid is listening -- `squid_url="URL"` the URL with the statistics to be fetched from squid -- `squid_timeout=SECONDS` how much time we should wait for squid to respond -- `squid_update_every=SECONDS` the frequency of the data collection +```sh +# a space separated list of UPS names +# if empty, the list returned by 'upsc -l' will be used +nut_ups= -Example `/etc/netdata/squid.conf`: +# how frequently to collect UPS data +nut_update_every=2 +``` + +--- + +# postfix + +The plugin will collect the postfix queue size. + +It will create two charts: + +1. **queue size in emails** +2. **queue size in KB** + +### configuration + +This is the internal default for `/etc/netdata/postfix.conf` ```sh -squid_host=127.0.0.1 -squid_port=3128 -squid_url="cache_object://127.0.0.1:3128/counters" -squid_timeout=2 -squid_update_every=5 +# the postqueue command +# if empty, it will use the one found in the system path +postfix_postqueue= + +# how frequently to collect queue size +postfix_update_every=15 ``` --- @@ -189,113 +282,63 @@ sensors_excluded=() --- -# hddtemp - -The plugin will collect temperatures from disks - -It will create one chart with all active disks - -1. **temperature in Celsius** - -### configuration - -hddtemp needs to be running in daemonized mode - -```sh -# host with daemonized hddtemp -hddtemp_host="localhost" - -# port on which hddtemp is showing data -hddtemp_port="7634" - -# array of included disks -# the default is to include all -hddtemp_disks=() -``` - ---- - -# postfix - -The plugin will collect the postfix queue size. - -It will create two charts: - -1. **queue size in emails** -2. **queue size in KB** - -### configuration - -This is the internal default for `/etc/netdata/postfix.conf` - -```sh -# the postqueue command -# if empty, it will use the one found in the system path -postfix_postqueue= - -# how frequently to collect queue size -postfix_update_every=15 -``` - ---- - -# nut - -The plugin will collect UPS data for all UPSes configured in the system. - -The following charts will be created: +# squid -1. **UPS Charge** +The plugin will monitor a squid server. - * percentage changed +It will produce 4 charts: -2. **UPS Battery Voltage** +1. **Squid Client Bandwidth** in kbps - * current voltage - * high voltage - * low voltage - * nominal voltage + * in + * out + * hits -3. **UPS Input Voltage** +2. **Squid Client Requests** in requests/sec - * current voltage - * fault voltage - * nominal voltage + * requests + * hits + * errors -4. **UPS Input Current** +3. **Squid Server Bandwidth** in kbps - * nominal current + * in + * out -5. **UPS Input Frequency** +4. **Squid Server Requests** in requests/sec - * current frequency - * nominal frequency + * requests + * errors -6. **UPS Output Voltage** +### autoconfig - * current voltage +The plugin will by itself detect squid servers running on +localhost, on ports 3128 or 8080. -7. **UPS Load** +It will attempt to download URLs in the form: - * current load +- `cache_object://HOST:PORT/counters` +- `/squid-internal-mgr/counters` -8. **UPS Temperature** +If any succeeds, it will use this. - * current temperature +### configuration +If you need to configure it by hand, create the file +`/etc/netdata/squid.conf` with the following variables: -### configuration +- `squid_host=IP` the IP of the squid host +- `squid_port=PORT` the port the squid is listening +- `squid_url="URL"` the URL with the statistics to be fetched from squid +- `squid_timeout=SECONDS` how much time we should wait for squid to respond +- `squid_update_every=SECONDS` the frequency of the data collection -This is the internal default for `/etc/netdata/nut.conf` +Example `/etc/netdata/squid.conf`: ```sh -# a space separated list of UPS names -# if empty, the list returned by 'upsc -l' will be used -nut_ups= - -# how frequently to collect UPS data -nut_update_every=2 +squid_host=127.0.0.1 +squid_port=3128 +squid_url="cache_object://127.0.0.1:3128/counters" +squid_timeout=2 +squid_update_every=5 ``` - ---- - |