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Diffstat (limited to 'collectors/plugins.d/README.md')
| -rw-r--r-- | collectors/plugins.d/README.md | 61 |
1 files changed, 52 insertions, 9 deletions
diff --git a/collectors/plugins.d/README.md b/collectors/plugins.d/README.md index c8438421..0741636b 100644 --- a/collectors/plugins.d/README.md +++ b/collectors/plugins.d/README.md @@ -116,15 +116,17 @@ For example, if your plugin wants to monitor `squid`, you can search for it on p Any program that can print a few values to its standard output can become a Netdata external plugin. -Netdata parses 7 lines starting with: - -- `CHART` - create or update a chart -- `DIMENSION` - add or update a dimension to the chart just created -- `BEGIN` - initialize data collection for a chart -- `SET` - set the value of a dimension for the initialized chart -- `END` - complete data collection for the initialized chart -- `FLUSH` - ignore the last collected values -- `DISABLE` - disable this plugin +Netdata parses 9 lines starting with: + +- `CHART` - create or update a chart +- `DIMENSION` - add or update a dimension to the chart just created +- `BEGIN` - initialize data collection for a chart +- `SET` - set the value of a dimension for the initialized chart +- `END` - complete data collection for the initialized chart +- `FLUSH` - ignore the last collected values +- `DISABLE` - disable this plugin +- `CLABEL` - add a label to a chart +- `CLABEL_COMMIT` - commit added labels to the chart. a single program can produce any number of charts with any number of dimensions each. @@ -151,6 +153,7 @@ available for the plugin to use. |`NETDATA_USER_CONFIG_DIR`|The directory where all Netdata-related user configuration should be stored. If the plugin requires custom user configuration, this is the place the user has saved it (normally under `/etc/netdata`).| |`NETDATA_STOCK_CONFIG_DIR`|The directory where all Netdata -related stock configuration should be stored. If the plugin is shipped with configuration files, this is the place they can be found (normally under `/usr/lib/netdata/conf.d`).| |`NETDATA_PLUGINS_DIR`|The directory where all Netdata plugins are stored.| +|`NETDATA_USER_PLUGINS_DIRS`|The list of directories where custom plugins are stored.| |`NETDATA_WEB_DIR`|The directory where the web files of Netdata are saved.| |`NETDATA_CACHE_DIR`|The directory where the cache files of Netdata are stored. Use this directory if the plugin requires a place to store data. A new directory should be created for the plugin for this purpose, inside this directory.| |`NETDATA_LOG_DIR`|The directory where the log files are stored. By default the `stderr` output of the plugin will be saved in the `error.log` file of Netdata.| @@ -319,6 +322,46 @@ The `value` is floating point (Netdata used `long double`). Variables are transferred to upstream Netdata servers (streaming and database replication). +#### CLABEL + +> CLABEL name value source + +`CLABEL` defines a label used to organize and identify a chart. + +Name and value accept characters according to the following table: + +| Character | Symbol | Label Name | Label Value | +|---------------------|:------:|:----------:|:-----------:| +| UTF-8 character | UTF-8 | _ | keep | +| Lower case letter | [a-z] | keep | keep | +| Upper case letter | [A-Z] | keep | [a-z] | +| Digit | [0-9] | keep | keep | +| Underscore | _ | keep | keep | +| Minus | - | keep | keep | +| Plus | + | _ | keep | +| Colon | : | _ | keep | +| Semicolon | ; | _ | : | +| Equal | = | _ | : | +| Period | . | keep | keep | +| Comma | , | . | . | +| Slash | / | keep | keep | +| Backslash | \ | / | / | +| At | @ | _ | keep | +| Space | ' ' | _ | keep | +| Opening parenthesis | ( | _ | keep | +| Closing parenthesis | ) | _ | keep | +| Anything else | | _ | _ | + +The `source` is an integer field that can have the following values: +- `1`: The value was set automatically. +- `2`: The value was set manually. +- `4`: This is a K8 label. +- `8`: This is a label defined using `netdata` agent cloud link. + +#### CLABEL_COMMIT + +`CLABEL_COMMIT` indicates that all labels were defined and the chart can be updated. + ## Data collection data collection is defined as a series of `BEGIN` -> `SET` -> `END` lines |