Difference between revisions of "Kubernetes init containers (initContainers)"

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Line 14: Line 14:
 
   - name: init-myservice
 
   - name: init-myservice
 
     image: busybox:1.28
 
     image: busybox:1.28
     command: ['sh', '-c', "until nslookup myservice.$(cat /var/run/secrets/kubernetes.io/serviceaccount/namespace).svc.cluster.local; do echo  waiting for myservice; sleep 2; done"]
+
     command: ['sh', '-c', "[[until]] nslookup myservice.$(cat /var/run/secrets/kubernetes.io/serviceaccount/namespace).svc.cluster.local; do echo  waiting for myservice; sleep 2; done"]
 
   - name: init-mydb
 
   - name: init-mydb
 
     image: busybox:1.28
 
     image: busybox:1.28
Line 35: Line 35:
 
* {{Kubectl init containers}}
 
* {{Kubectl init containers}}
 
* {{Sidecar}}
 
* {{Sidecar}}
 +
* {{kind: Pod}}
  
 
[[Category:K8s]]
 
[[Category:K8s]]

Latest revision as of 18:08, 27 October 2024

apiVersion: v1
kind: Pod
metadata:
 name: myapp-pod
 labels:
   app: myapp
spec:
 containers:
 - name: myapp-container
   image: busybox:1.28
   command: ['sh', '-c', 'echo The app is running! && sleep 3600']
 initContainers:
 - name: init-myservice
   image: busybox:1.28
   command: ['sh', '-c', "until nslookup myservice.$(cat /var/run/secrets/kubernetes.io/serviceaccount/namespace).svc.cluster.local; do echo  waiting for myservice; sleep 2; done"]
 - name: init-mydb
   image: busybox:1.28
   command: ['sh', '-c', "until nslookup mydb.$(cat /var/run/secrets/kubernetes.io/serviceaccount/namespace).svc.cluster.local; do echo waiting for mydb; sleep 2; done"]

Examples[edit]

 initContainers:
    - name: myname
      image: public.ecr.aws/aws-cli/aws-cli
      command: ["aws", "s3", "sync", "s3://mybucket", "/yourdir"]
      volumeMounts:
        - name: yourdir
          mountPath: "/yourdir"

Related[edit]

See also[edit]

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