/
podconditions.go
161 lines (133 loc) · 3.63 KB
/
podconditions.go
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package cluster
// Copyright (c) Microsoft Corporation.
// Licensed under the Apache License 2.0.
import (
"context"
"github.com/sirupsen/logrus"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/kubernetes/pkg/kubelet/events"
"github.com/Azure/ARO-RP/pkg/util/namespace"
)
var podConditionsExpected = map[corev1.PodConditionType]corev1.ConditionStatus{
corev1.ContainersReady: corev1.ConditionTrue,
corev1.PodInitialized: corev1.ConditionTrue,
corev1.PodScheduled: corev1.ConditionTrue,
corev1.PodReady: corev1.ConditionTrue,
}
var restartCounterThreshold int32 = 10
func (mon *Monitor) emitPodConditions(ctx context.Context) error {
// to list pods once
var cont string
var count int64
for {
ps, err := mon.cli.CoreV1().Pods("").List(ctx, metav1.ListOptions{Limit: 500, Continue: cont})
if err != nil {
return err
}
count += int64(len(ps.Items))
mon._emitPodConditions(ps)
mon._emitPodContainerStatuses(ps)
mon._emitPodContainerRestartCounter(ps)
cont = ps.Continue
if cont == "" {
break
}
}
mon.emitGauge("pod.count", count, nil)
return nil
}
func (mon *Monitor) _emitPodConditions(ps *corev1.PodList) {
for _, p := range ps.Items {
if !namespace.IsOpenShiftNamespace(p.Namespace) {
continue
}
if p.Status.Phase == corev1.PodSucceeded {
continue
}
if p.Status.Reason == events.PreemptContainer {
continue
}
for _, c := range p.Status.Conditions {
if c.Status == podConditionsExpected[c.Type] {
continue
}
mon.emitGauge("pod.conditions", 1, map[string]string{
"name": p.Name,
"namespace": p.Namespace,
"nodeName": p.Spec.NodeName,
"status": string(c.Status),
"type": string(c.Type),
})
if mon.hourlyRun {
mon.log.WithFields(logrus.Fields{
"metric": "pod.conditions",
"name": p.Name,
"namespace": p.Namespace,
"nodeName": p.Spec.NodeName,
"status": c.Status,
"type": c.Type,
"message": c.Message,
}).Print()
}
}
}
}
func (mon *Monitor) _emitPodContainerStatuses(ps *corev1.PodList) {
for _, p := range ps.Items {
if !namespace.IsOpenShiftNamespace(p.Namespace) {
continue
}
if p.Status.Phase == corev1.PodSucceeded {
continue
}
for _, cs := range p.Status.ContainerStatuses {
if cs.State.Waiting == nil {
continue
}
mon.emitGauge("pod.containerstatuses", 1, map[string]string{
"name": p.Name,
"namespace": p.Namespace,
"nodeName": p.Spec.NodeName,
"containername": cs.Name,
"reason": cs.State.Waiting.Reason,
})
if mon.hourlyRun {
mon.log.WithFields(logrus.Fields{
"metric": "pod.containerstatuses",
"name": p.Name,
"namespace": p.Namespace,
"containername": cs.Name,
"reason": cs.State.Waiting.Reason,
"message": cs.State.Waiting.Message,
}).Print()
}
}
}
}
func (mon *Monitor) _emitPodContainerRestartCounter(ps *corev1.PodList) {
for _, p := range ps.Items {
if !namespace.IsOpenShiftNamespace(p.Namespace) {
continue
}
//Sum up the total number of restarts in the pod to match the number of restarts shown in the 'oc get pods' display
t := int32(0)
for _, cs := range p.Status.ContainerStatuses {
t += cs.RestartCount
}
if t < restartCounterThreshold {
continue
}
mon.emitGauge("pod.restartcounter", int64(t), map[string]string{
"name": p.Name,
"namespace": p.Namespace,
})
if mon.hourlyRun {
mon.log.WithFields(logrus.Fields{
"metric": "pod.restartcounter",
"name": p.Name,
"namespace": p.Namespace,
}).Print()
}
}
}