K8s livenessProbe

1 개요

k8s livenessProbe

• k8s Probe 중 하나

apiVersion: v1
kind: Pod
metadata:
  labels:
    test: liveness
  name: liveness-exec
spec:
  containers:
  - name: liveness
    image: k8s.gcr.io/busybox
    args:
    - /bin/sh
    - -c
    - touch /tmp/healthy; sleep 30; rm -rf /tmp/healthy; sleep 600
    livenessProbe:
      exec:
        command:
        - cat
        - /tmp/healthy
      initialDelaySeconds: 5
      periodSeconds: 5

livenessProbe:
  httpGet:
    path: /healthz
    port: 8080
    httpHeaders:
    - name: Custom-Header
      value: Awesome
  initialDelaySeconds: 3
  periodSeconds: 3

livenessProbe:
  tcpSocket:
    port: 8080
  initialDelaySeconds: 15
  periodSeconds: 20

livenessProbe:
  httpGet:
    path: /healthz
    port: liveness-port

livenessProbe:
  httpGet:
    path: /healthz
    port: liveness-port
  failureThreshold: 1
  periodSeconds: 10

livenessProbe:
  httpGet:
    httpHeaders:
      - name: Accept
        value: application/json

livenessProbe:
  httpGet:
    httpHeaders:
      - name: Accept
        value: ""

2 같이 보기

• k8s 컨테이너 프로브
• k8s readinessProbe
• k8s startupProbe
• k8s terminationGracePeriodSeconds

3 참고

• https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-probes/