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Eric Paris
2015-09-03 10:10:11 -04:00
parent b6f2f396ba
commit 04fc8ae3dd
47 changed files with 75 additions and 75 deletions
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docs/devel/instrumentation.md
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@@ -44,18 +44,18 @@ We use the Prometheus monitoring system's golang client library for instrumentin
2. Give the metric a name and description.
3. Pick whether you want to distinguish different categories of things using labels on the metric. If so, add "Vec" to the name of the type of metric you want and add a slice of the label names to the definition.
https://github.com/GoogleCloudPlatform/kubernetes/blob/cd3299307d44665564e1a5c77d0daa0286603ff5/pkg/apiserver/apiserver.go#L53
https://github.com/GoogleCloudPlatform/kubernetes/blob/cd3299307d44665564e1a5c77d0daa0286603ff5/pkg/kubelet/metrics/metrics.go#L31
https://github.com/kubernetes/kubernetes/blob/cd3299307d44665564e1a5c77d0daa0286603ff5/pkg/apiserver/apiserver.go#L53
https://github.com/kubernetes/kubernetes/blob/cd3299307d44665564e1a5c77d0daa0286603ff5/pkg/kubelet/metrics/metrics.go#L31
3. Register the metric so that prometheus will know to export it.
https://github.com/GoogleCloudPlatform/kubernetes/blob/cd3299307d44665564e1a5c77d0daa0286603ff5/pkg/kubelet/metrics/metrics.go#L74
https://github.com/GoogleCloudPlatform/kubernetes/blob/cd3299307d44665564e1a5c77d0daa0286603ff5/pkg/apiserver/apiserver.go#L78
https://github.com/kubernetes/kubernetes/blob/cd3299307d44665564e1a5c77d0daa0286603ff5/pkg/kubelet/metrics/metrics.go#L74
https://github.com/kubernetes/kubernetes/blob/cd3299307d44665564e1a5c77d0daa0286603ff5/pkg/apiserver/apiserver.go#L78
4. Use the metric by calling the appropriate method for your metric type (Set, Inc/Add, or Observe, respectively for Gauge, Counter, or Histogram/Summary), first calling WithLabelValues if your metric has any labels
https://github.com/GoogleCloudPlatform/kubernetes/blob/3ce7fe8310ff081dbbd3d95490193e1d5250d2c9/pkg/kubelet/kubelet.go#L1384
https://github.com/GoogleCloudPlatform/kubernetes/blob/cd3299307d44665564e1a5c77d0daa0286603ff5/pkg/apiserver/apiserver.go#L87
https://github.com/kubernetes/kubernetes/blob/3ce7fe8310ff081dbbd3d95490193e1d5250d2c9/pkg/kubelet/kubelet.go#L1384
https://github.com/kubernetes/kubernetes/blob/cd3299307d44665564e1a5c77d0daa0286603ff5/pkg/apiserver/apiserver.go#L87
These are the metric type definitions if you're curious to learn about them or need more information: