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Kuberenetes:- Pull Image from Private Registry (using Secret/Service Account)

 Kuberenetes:- Pull Image from Private Registry (using Secret/Service Account) Note: - You should have access to your private docker registr...

 Kuberenetes:- Pull Image from Private Registry (using Secret/Service Account)


Note: - You should have access to your private docker registry. In this example I am using ramansharma95/webapp private docker repository in docker hub. You can replace repository with your own private registry.


             Using Docker Registry Secret 


Step 1:- Create a secret which refers to docker hub/private registry

 kubectl create secret  docker-registry pullsecret --docker-username ramansharma95 --docker-password <password>

kubectl get secret pullsecret -o yaml

Step 2:- Create pod which will pull a docker image ramansharma95/webapp.

imagePullSecrets is used to refer the secret so that Private image is to be pulled otherwise you will get the ErrImagePull

#pod.yaml
apiVersion: v1
kind: Pod
metadata:
  creationTimestamp: null
  labels:
    run: pod1
  name: pod1
spec:
  imagePullSecrets:
    - name: pullsecret
  containers:
  - command:
    - sleep
    - "3600"
    image: ramansharma95/webapp
    name: pod1
    resources: {}
  dnsPolicy: ClusterFirst
  restartPolicy: Always
status: {}



kubectl create -f pod.yaml

kubectl get pods



Using service account


Step 1:- Create a secret which refers to docker hub/private registry

 kubectl create secret  docker-registry pullsecret --docker-username ramansharma95 --docker-password <password>

kubectl get secret pullsecret -o yaml

Step 2:Add image pull secret to service account

kubectl patch serviceaccount default -p '{"imagePullSecrets": [{"name": "pullsecret"}]}'

Step 3: Create Pod without imagePullSecrets

#pod.yaml
apiVersion: v1
kind: Pod
metadata:
  creationTimestamp: null
  labels:
    run: pod1
  name: pod1
spec:
  imagePullSecrets:
    - name: pullsecret
  containers:
  - command:
    - sleep
    - "3600"
    image: ramansharma95/webapp
    name: pod1
    resources: {}
  dnsPolicy: ClusterFirst
  restartPolicy: Always
status: {}
kubectl create -f pod.yaml

kubectl get pods

Step 4: Find the imagePull secret for pod1

kubectl get pods pod1 -o jsonpath="{.spec.imagePullSecrets[0].name }{'\n'}"

Pod should be in the running state


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DevOpsWorld: Kuberenetes:- Pull Image from Private Registry (using Secret/Service Account)
Kuberenetes:- Pull Image from Private Registry (using Secret/Service Account)
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