Difference between revisions of "Kubernetes probes"
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Revision as of 08:46, 25 October 2024
Check mechanisms:
kind: Deployment
apiVersion: v1
kind: Pod
metadata:
labels:
test: liveness
name: liveness-exec
spec:
containers:
- name: liveness
image: registry.k8s.io/busybox
args:
- /bin/sh
- -c
- touch /tmp/healthy; sleep 30; rm -f /tmp/healthy; sleep 600
livenessProbe:
exec:
command:
- cat
- /tmp/healthy
initialDelaySeconds: 5
periodSeconds: 5
readinessProbe: httpGet: path: /api/health port: 3000 livenessProbe: httpGet: path: /api/health port: 3000 initialDelaySeconds: 60 timeoutSeconds: 30 failureThreshold: 10
Related
Redis values.ymlcustomStartupProbecustomLivenessProbecustomReadinessProbe- Kubernetes restartPolicy
- CrashLoopBackOff
- Unknown
See also
- K8s probes:
readinessProbe, livenessProbe, StartupProbe, exec, gRPC, HttpGet, tcpSocket, TerminationGracePeriodSeconds - Kubernetes deployments, strategies:
kind: Deployment, Strategies:RecreateorRollingUpdate,kubectl[create | describe | get | scale | rollout | deployment/], Kubernetes Canary Deployments,deployment.kubernetes.io - K8s troubleshooting:
kubectl logs, kubectl top, kubectl get events -A, kubectl describe pod, Liveness, Readiness,Kubernetes events, Pulling image, OOMKilled, ProbeWarning, Reason,FailedScheduling,errImagePull, ImagePullBackOff, Kubelet conditions:MemoryPressure, DiskPressure, KubeletHasSufficientPID, KubeletReady, kubectl [ debug | attach | exec ] kubectl cluster-info dump, SimKube, KWOK
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