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19 lines
1023 B
Markdown
19 lines
1023 B
Markdown
# ClusterCockpit metrics
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As described in the [ClusterCockpit specifications](https://github.com/ClusterCockpit/cc-specifications), the whole ClusterCockpit stack uses metrics in the InfluxDB line protocol format. This is also the input and output format for the ClusterCockpit Metric Collector but internally it uses an extended format while processing, named CCMetric.
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It is basically a copy of the [InfluxDB line protocol](https://github.com/influxdata/line-protocol) `MutableMetric` interface with one extension. Besides the tags and fields, it contains a list of meta information (re-using the `Tag` structure of the original protocol):
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```
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type ccMetric struct {
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name string // same as
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tags []*influx.Tag // original
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fields []*influx.Field // Influx
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tm time.Time // line-protocol
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meta []*influx.Tag
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}
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```
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The `CCMetric` interface provides the same functions as the `MutableMetric` like `{Add, Remove, Has}{Tag, Field}` and additionally provides `{Add, Remove, Has}Meta`
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