liveness pod

liveness-exec pod 생성

# livemess.yaml

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

 

pod 세부내용 확인

 kubectl describe pod liveness-exec

liveness를 체크

---

liveness-http pod 생성

# http-liveness.yaml

apiVersion: v1
kind: Pod
metadata:
  labels:
    test: liveness
  name: liveness-http
spec:
  containers:
  - name: liveness
    image: registry.k8s.io/liveness
    args:
    - /server
    livenessProbe:
      httpGet:
        path: /healthz
        port: 8080
        httpHeaders:
        - name: Custom-Header
          value: Awesome
      initialDelaySeconds: 3
      periodSeconds: 3

 

pod 생성

kubectl create -f http-liveness.yaml

---

tcp liveness probe

참고자료

 

pod 생성

kubectl apply -f https://k8s.io/examples/pods/probe/tcp-liveness-readiness.yaml

goproxy 상세보기

kubectl describe pod goproxy