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koordlet: record invoke metrics for runtime hook (#1961)
Signed-off-by: saintube <saintube@foxmail.com>
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/* | ||
Copyright 2022 The Koordinator Authors. | ||
Licensed under the Apache License, Version 2.0 (the "License"); | ||
you may not use this file except in compliance with the License. | ||
You may obtain a copy of the License at | ||
http://www.apache.org/licenses/LICENSE-2.0 | ||
Unless required by applicable law or agreed to in writing, software | ||
distributed under the License is distributed on an "AS IS" BASIS, | ||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
See the License for the specific language governing permissions and | ||
limitations under the License. | ||
*/ | ||
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package metrics | ||
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import "github.com/prometheus/client_golang/prometheus" | ||
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const ( | ||
// RuntimeHookName represents the hook plugin name of runtime hook. | ||
RuntimeHookName = "hook" | ||
// RuntimeHookStage represents the stage of invoked runtime hook. | ||
RuntimeHookStage = "stage" | ||
// RuntimeHookReconcilerLevel represents the level (e.g. pod-level) of invoked runtime hook reconciler. | ||
RuntimeHookReconcilerLevel = "level" | ||
// RuntimeHookReconcilerResourceType represents the resource type (e.g. cpu.cfs_quota_us) of invoked runtime hook reconciler. | ||
RuntimeHookReconcilerResourceType = "resource_type" | ||
) | ||
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var ( | ||
runtimeHookInvokedDurationMilliSeconds = prometheus.NewHistogramVec(prometheus.HistogramOpts{ | ||
Subsystem: KoordletSubsystem, | ||
Name: "runtime_hook_invoked_duration_milliseconds", | ||
Help: "time duration of invocations of runtime hook plugins", | ||
// 10us ~ 10.24ms, cgroup <= 40us | ||
Buckets: prometheus.ExponentialBuckets(0.01, 4, 8), | ||
}, []string{NodeKey, RuntimeHookName, RuntimeHookStage, StatusKey}) | ||
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runtimeHookReconcilerInvokedDurationMilliSeconds = prometheus.NewHistogramVec(prometheus.HistogramOpts{ | ||
Subsystem: KoordletSubsystem, | ||
Name: "runtime_hook_reconciler_invoked_duration_milliseconds", | ||
Help: "time duration of invocations of runtime hook reconciler plugins", | ||
// 10us ~ 10.24ms, cgroup <= 40us | ||
Buckets: prometheus.ExponentialBuckets(0.01, 4, 8), | ||
}, []string{NodeKey, RuntimeHookReconcilerLevel, RuntimeHookReconcilerResourceType, StatusKey}) | ||
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RuntimeHookCollectors = []prometheus.Collector{ | ||
runtimeHookInvokedDurationMilliSeconds, | ||
runtimeHookReconcilerInvokedDurationMilliSeconds, | ||
} | ||
) | ||
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func RecordRuntimeHookInvokedDurationMilliSeconds(hookName, stage string, err error, seconds float64) { | ||
labels := genNodeLabels() | ||
if labels == nil { | ||
return | ||
} | ||
labels[RuntimeHookName] = hookName | ||
labels[RuntimeHookStage] = stage | ||
labels[StatusKey] = StatusSucceed | ||
if err != nil { | ||
labels[StatusKey] = StatusFailed | ||
} | ||
// convert seconds to milliseconds | ||
runtimeHookInvokedDurationMilliSeconds.With(labels).Observe(seconds * 1000) | ||
} | ||
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func RecordRuntimeHookReconcilerInvokedDurationMilliSeconds(level, resourceType string, err error, seconds float64) { | ||
labels := genNodeLabels() | ||
if labels == nil { | ||
return | ||
} | ||
labels[RuntimeHookReconcilerLevel] = level | ||
labels[RuntimeHookReconcilerResourceType] = resourceType | ||
labels[StatusKey] = StatusSucceed | ||
if err != nil { | ||
labels[StatusKey] = StatusFailed | ||
} | ||
// convert seconds to milliseconds | ||
runtimeHookReconcilerInvokedDurationMilliSeconds.With(labels).Observe(seconds * 1000) | ||
} |
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