mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-11-10 16:30:19 +00:00
22ff5c0911
snapClient.SnapshotV1alpha1Client and also update kube dependency Signed-off-by: Humble Chirammal <hchiramm@redhat.com>
256 lines
9.7 KiB
Go
256 lines
9.7 KiB
Go
/*
|
|
Copyright 2015 The Kubernetes 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.
|
|
*/
|
|
|
|
package metrics
|
|
|
|
import (
|
|
"sync"
|
|
"time"
|
|
|
|
"github.com/prometheus/client_golang/prometheus"
|
|
volumescheduling "k8s.io/kubernetes/pkg/controller/volume/scheduling"
|
|
)
|
|
|
|
const (
|
|
// SchedulerSubsystem - subsystem name used by scheduler
|
|
SchedulerSubsystem = "scheduler"
|
|
// SchedulingLatencyName - scheduler latency metric name
|
|
SchedulingLatencyName = "scheduling_duration_seconds"
|
|
// DeprecatedSchedulingLatencyName - scheduler latency metric name which is deprecated
|
|
DeprecatedSchedulingLatencyName = "scheduling_latency_seconds"
|
|
|
|
// OperationLabel - operation label name
|
|
OperationLabel = "operation"
|
|
// Below are possible values for the operation label. Each represents a substep of e2e scheduling:
|
|
|
|
// PredicateEvaluation - predicate evaluation operation label value
|
|
PredicateEvaluation = "predicate_evaluation"
|
|
// PriorityEvaluation - priority evaluation operation label value
|
|
PriorityEvaluation = "priority_evaluation"
|
|
// PreemptionEvaluation - preemption evaluation operation label value (occurs in case of scheduling fitError).
|
|
PreemptionEvaluation = "preemption_evaluation"
|
|
// Binding - binding operation label value
|
|
Binding = "binding"
|
|
// E2eScheduling - e2e scheduling operation label value
|
|
)
|
|
|
|
// All the histogram based metrics have 1ms as size for the smallest bucket.
|
|
var (
|
|
scheduleAttempts = prometheus.NewCounterVec(
|
|
prometheus.CounterOpts{
|
|
Subsystem: SchedulerSubsystem,
|
|
Name: "schedule_attempts_total",
|
|
Help: "Number of attempts to schedule pods, by the result. 'unschedulable' means a pod could not be scheduled, while 'error' means an internal scheduler problem.",
|
|
}, []string{"result"})
|
|
// PodScheduleSuccesses counts how many pods were scheduled.
|
|
PodScheduleSuccesses = scheduleAttempts.With(prometheus.Labels{"result": "scheduled"})
|
|
// PodScheduleFailures counts how many pods could not be scheduled.
|
|
PodScheduleFailures = scheduleAttempts.With(prometheus.Labels{"result": "unschedulable"})
|
|
// PodScheduleErrors counts how many pods could not be scheduled due to a scheduler error.
|
|
PodScheduleErrors = scheduleAttempts.With(prometheus.Labels{"result": "error"})
|
|
SchedulingLatency = prometheus.NewSummaryVec(
|
|
prometheus.SummaryOpts{
|
|
Subsystem: SchedulerSubsystem,
|
|
Name: SchedulingLatencyName,
|
|
Help: "Scheduling latency in seconds split by sub-parts of the scheduling operation",
|
|
// Make the sliding window of 5h.
|
|
// TODO: The value for this should be based on some SLI definition (long term).
|
|
MaxAge: 5 * time.Hour,
|
|
},
|
|
[]string{OperationLabel},
|
|
)
|
|
DeprecatedSchedulingLatency = prometheus.NewSummaryVec(
|
|
prometheus.SummaryOpts{
|
|
Subsystem: SchedulerSubsystem,
|
|
Name: DeprecatedSchedulingLatencyName,
|
|
Help: "(Deprecated) Scheduling latency in seconds split by sub-parts of the scheduling operation",
|
|
// Make the sliding window of 5h.
|
|
// TODO: The value for this should be based on some SLI definition (long term).
|
|
MaxAge: 5 * time.Hour,
|
|
},
|
|
[]string{OperationLabel},
|
|
)
|
|
E2eSchedulingLatency = prometheus.NewHistogram(
|
|
prometheus.HistogramOpts{
|
|
Subsystem: SchedulerSubsystem,
|
|
Name: "e2e_scheduling_duration_seconds",
|
|
Help: "E2e scheduling latency in seconds (scheduling algorithm + binding)",
|
|
Buckets: prometheus.ExponentialBuckets(0.001, 2, 15),
|
|
},
|
|
)
|
|
DeprecatedE2eSchedulingLatency = prometheus.NewHistogram(
|
|
prometheus.HistogramOpts{
|
|
Subsystem: SchedulerSubsystem,
|
|
Name: "e2e_scheduling_latency_microseconds",
|
|
Help: "(Deprecated) E2e scheduling latency in microseconds (scheduling algorithm + binding)",
|
|
Buckets: prometheus.ExponentialBuckets(1000, 2, 15),
|
|
},
|
|
)
|
|
SchedulingAlgorithmLatency = prometheus.NewHistogram(
|
|
prometheus.HistogramOpts{
|
|
Subsystem: SchedulerSubsystem,
|
|
Name: "scheduling_algorithm_duration_seconds",
|
|
Help: "Scheduling algorithm latency in seconds",
|
|
Buckets: prometheus.ExponentialBuckets(0.001, 2, 15),
|
|
},
|
|
)
|
|
DeprecatedSchedulingAlgorithmLatency = prometheus.NewHistogram(
|
|
prometheus.HistogramOpts{
|
|
Subsystem: SchedulerSubsystem,
|
|
Name: "scheduling_algorithm_latency_microseconds",
|
|
Help: "(Deprecated) Scheduling algorithm latency in microseconds",
|
|
Buckets: prometheus.ExponentialBuckets(1000, 2, 15),
|
|
},
|
|
)
|
|
SchedulingAlgorithmPredicateEvaluationDuration = prometheus.NewHistogram(
|
|
prometheus.HistogramOpts{
|
|
Subsystem: SchedulerSubsystem,
|
|
Name: "scheduling_algorithm_predicate_evaluation_seconds",
|
|
Help: "Scheduling algorithm predicate evaluation duration in seconds",
|
|
Buckets: prometheus.ExponentialBuckets(0.001, 2, 15),
|
|
},
|
|
)
|
|
DeprecatedSchedulingAlgorithmPredicateEvaluationDuration = prometheus.NewHistogram(
|
|
prometheus.HistogramOpts{
|
|
Subsystem: SchedulerSubsystem,
|
|
Name: "scheduling_algorithm_predicate_evaluation",
|
|
Help: "(Deprecated) Scheduling algorithm predicate evaluation duration in microseconds",
|
|
Buckets: prometheus.ExponentialBuckets(1000, 2, 15),
|
|
},
|
|
)
|
|
SchedulingAlgorithmPriorityEvaluationDuration = prometheus.NewHistogram(
|
|
prometheus.HistogramOpts{
|
|
Subsystem: SchedulerSubsystem,
|
|
Name: "scheduling_algorithm_priority_evaluation_seconds",
|
|
Help: "Scheduling algorithm priority evaluation duration in seconds",
|
|
Buckets: prometheus.ExponentialBuckets(0.001, 2, 15),
|
|
},
|
|
)
|
|
DeprecatedSchedulingAlgorithmPriorityEvaluationDuration = prometheus.NewHistogram(
|
|
prometheus.HistogramOpts{
|
|
Subsystem: SchedulerSubsystem,
|
|
Name: "scheduling_algorithm_priority_evaluation",
|
|
Help: "(Deprecated) Scheduling algorithm priority evaluation duration in microseconds",
|
|
Buckets: prometheus.ExponentialBuckets(1000, 2, 15),
|
|
},
|
|
)
|
|
SchedulingAlgorithmPremptionEvaluationDuration = prometheus.NewHistogram(
|
|
prometheus.HistogramOpts{
|
|
Subsystem: SchedulerSubsystem,
|
|
Name: "scheduling_algorithm_preemption_evaluation_seconds",
|
|
Help: "Scheduling algorithm preemption evaluation duration in seconds",
|
|
Buckets: prometheus.ExponentialBuckets(0.001, 2, 15),
|
|
},
|
|
)
|
|
DeprecatedSchedulingAlgorithmPremptionEvaluationDuration = prometheus.NewHistogram(
|
|
prometheus.HistogramOpts{
|
|
Subsystem: SchedulerSubsystem,
|
|
Name: "scheduling_algorithm_preemption_evaluation",
|
|
Help: "(Deprecated) Scheduling algorithm preemption evaluation duration in microseconds",
|
|
Buckets: prometheus.ExponentialBuckets(1000, 2, 15),
|
|
},
|
|
)
|
|
BindingLatency = prometheus.NewHistogram(
|
|
prometheus.HistogramOpts{
|
|
Subsystem: SchedulerSubsystem,
|
|
Name: "binding_duration_seconds",
|
|
Help: "Binding latency in seconds",
|
|
Buckets: prometheus.ExponentialBuckets(0.001, 2, 15),
|
|
},
|
|
)
|
|
DeprecatedBindingLatency = prometheus.NewHistogram(
|
|
prometheus.HistogramOpts{
|
|
Subsystem: SchedulerSubsystem,
|
|
Name: "binding_latency_microseconds",
|
|
Help: "(Deprecated) Binding latency in microseconds",
|
|
Buckets: prometheus.ExponentialBuckets(1000, 2, 15),
|
|
},
|
|
)
|
|
PreemptionVictims = prometheus.NewGauge(
|
|
prometheus.GaugeOpts{
|
|
Subsystem: SchedulerSubsystem,
|
|
Name: "pod_preemption_victims",
|
|
Help: "Number of selected preemption victims",
|
|
})
|
|
PreemptionAttempts = prometheus.NewCounter(
|
|
prometheus.CounterOpts{
|
|
Subsystem: SchedulerSubsystem,
|
|
Name: "total_preemption_attempts",
|
|
Help: "Total preemption attempts in the cluster till now",
|
|
})
|
|
|
|
pendingPods = prometheus.NewGaugeVec(
|
|
prometheus.GaugeOpts{
|
|
Subsystem: SchedulerSubsystem,
|
|
Name: "pending_pods",
|
|
Help: "Number of pending pods, by the queue type. 'active' means number of pods in activeQ; 'backoff' means number of pods in backoffQ; 'unschedulable' means number of pods in unschedulableQ.",
|
|
}, []string{"queue"})
|
|
ActivePods = pendingPods.With(prometheus.Labels{"queue": "active"})
|
|
BackoffPods = pendingPods.With(prometheus.Labels{"queue": "backoff"})
|
|
UnschedulablePods = pendingPods.With(prometheus.Labels{"queue": "unschedulable"})
|
|
|
|
metricsList = []prometheus.Collector{
|
|
scheduleAttempts,
|
|
SchedulingLatency,
|
|
DeprecatedSchedulingLatency,
|
|
E2eSchedulingLatency,
|
|
DeprecatedE2eSchedulingLatency,
|
|
SchedulingAlgorithmLatency,
|
|
DeprecatedSchedulingAlgorithmLatency,
|
|
BindingLatency,
|
|
DeprecatedBindingLatency,
|
|
SchedulingAlgorithmPredicateEvaluationDuration,
|
|
DeprecatedSchedulingAlgorithmPredicateEvaluationDuration,
|
|
SchedulingAlgorithmPriorityEvaluationDuration,
|
|
DeprecatedSchedulingAlgorithmPriorityEvaluationDuration,
|
|
SchedulingAlgorithmPremptionEvaluationDuration,
|
|
DeprecatedSchedulingAlgorithmPremptionEvaluationDuration,
|
|
PreemptionVictims,
|
|
PreemptionAttempts,
|
|
pendingPods,
|
|
}
|
|
)
|
|
|
|
var registerMetrics sync.Once
|
|
|
|
// Register all metrics.
|
|
func Register() {
|
|
// Register the metrics.
|
|
registerMetrics.Do(func() {
|
|
for _, metric := range metricsList {
|
|
prometheus.MustRegister(metric)
|
|
}
|
|
|
|
volumescheduling.RegisterVolumeSchedulingMetrics()
|
|
})
|
|
}
|
|
|
|
// Reset resets metrics
|
|
func Reset() {
|
|
SchedulingLatency.Reset()
|
|
DeprecatedSchedulingLatency.Reset()
|
|
}
|
|
|
|
// SinceInMicroseconds gets the time since the specified start in microseconds.
|
|
func SinceInMicroseconds(start time.Time) float64 {
|
|
return float64(time.Since(start).Nanoseconds() / time.Microsecond.Nanoseconds())
|
|
}
|
|
|
|
// SinceInSeconds gets the time since the specified start in seconds.
|
|
func SinceInSeconds(start time.Time) float64 {
|
|
return time.Since(start).Seconds()
|
|
}
|