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kubelet metrics: add pod resources get metrics

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Signed-off-by: Moshe Levi <moshele@nvidia.com>
This commit is contained in:
Moshe Levi 2023-02-17 02:50:48 +02:00
parent 91234c701e
commit 71d6e4d53c
1 changed files with 30 additions and 0 deletions
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30
pkg/kubelet/metrics/metrics.go
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@ -78,6 +78,8 @@ const (
PodResourcesEndpointRequestsGetAllocatableKey = "pod_resources_endpoint_requests_get_allocatable"
PodResourcesEndpointErrorsListKey = "pod_resources_endpoint_errors_list"
PodResourcesEndpointErrorsGetAllocatableKey = "pod_resources_endpoint_errors_get_allocatable"
PodResourcesEndpointRequestsGetKey = "pod_resources_endpoint_requests_get"
PodResourcesEndpointErrorsGetKey = "pod_resources_endpoint_errors_get"
// Metrics keys for RuntimeClass
RunPodSandboxDurationKey = "run_podsandbox_duration_seconds"
@ -441,6 +443,30 @@ var (
[]string{"server_api_version"},
)
// PodResourcesEndpointRequestsGetCount is a Counter that tracks the number of requests to the PodResource Get() endpoint.
// Broken down by server API version.
PodResourcesEndpointRequestsGetCount = metrics.NewCounterVec(
&metrics.CounterOpts{
Subsystem: KubeletSubsystem,
Name: PodResourcesEndpointRequestsGetKey,
Help: "Number of requests to the PodResource Get endpoint. Broken down by server api version.",
StabilityLevel: metrics.ALPHA,
},
[]string{"server_api_version"},
)
// PodResourcesEndpointErrorsGetCount is a Counter that tracks the number of errors returned by he PodResource List() endpoint.
// Broken down by server API version.
PodResourcesEndpointErrorsGetCount = metrics.NewCounterVec(
&metrics.CounterOpts{
Subsystem: KubeletSubsystem,
Name: PodResourcesEndpointErrorsGetKey,
Help: "Number of requests to the PodResource Get endpoint which returned error. Broken down by server api version.",
StabilityLevel: metrics.ALPHA,
},
[]string{"server_api_version"},
)
// RunPodSandboxDuration is a Histogram that tracks the duration (in seconds) it takes to run Pod Sandbox operations.
// Broken down by RuntimeClass.Handler.
RunPodSandboxDuration = metrics.NewHistogramVec(
@ -759,6 +785,10 @@ func Register(collectors ...metrics.StableCollector) {
legacyregistry.MustRegister(PodResourcesEndpointErrorsListCount)
legacyregistry.MustRegister(PodResourcesEndpointErrorsGetAllocatableCount)
}
if utilfeature.DefaultFeatureGate.Enabled(features.KubeletPodResourcesGet) {
legacyregistry.MustRegister(PodResourcesEndpointRequestsGetCount)
legacyregistry.MustRegister(PodResourcesEndpointErrorsGetCount)
}
}
legacyregistry.MustRegister(StartedPodsTotal)
legacyregistry.MustRegister(StartedPodsErrorsTotal)