Upgrading the Snapshot Manager operator

1. Push the new operator images, Snapshot Manager main image to container registry with different tags.
2. Update the new image name and tag in images.cloudpointoperator section in kustomization.yaml file in operator folder available in the new package folder.
3. Update the node selector and tolerations in operator_patch.yaml file in operator/patches folder in the new package folder.
4. To upgrade the operator, apply the new image changes using the following command:

   kubectl apply -k <operator folder name>

   After applying the changes, new Snapshot manager operator pod will start in operator namespace and run successfully.

To upgrade Snapshot Manager

1. Update the variables appropriately:

   NB_VERSION=10.4.0
   OPERATOR_NAMESPACE="netbackup-operator-system"
   ENVIRONMENT_NAMESPACE="ns-155"
    
   NB_DIR=/home/azureuser/VRTSk8s-netbackup-${NB_VERSION}/

2. Edit the operator/kustomization.yaml file as follows:

   KUSTOMIZE_FILE=${NB_DIR}operator/kustomization.yaml nano $KUSTOMIZE_FILE

   Update the newName and newTag under cloudpointoperator.

3. Upgrade the operator using the following command:

   cd $NB_DIR kubectl apply -k operator sleep 20s

4. Check (Wait for) if the operator is upgraded and running:

   kubectl describe pod $(kubectl get pods -n $OPERATOR_NAMESPACE | grep flexsnap-operator | awk '{printf $1" " }') | grep Image: kubectl get all -n $OPERATOR_NAMESPACE

5. Once the operator is upgraded successfully and it is running, update the cpServer.tag in environment.yaml file as follows:

   nano ${NB_DIR}/environment.yaml

6. Delete the cpServer.credential section from environment.yaml file.
7. Apply environment.yaml file to start upgrading Snapshot Manager services using the following command:

   kubectl apply -f ${NB_DIR}/environment.yaml -n $ENVIRONMENT_NAMESPACE

8. Check upgrade logs in flexsnap-operator using the following command:

   kubectl logs -f $(kubectl get pods -n $OPERATOR_NAMESPACE | grep flexsnap-operator | awk '{printf $1" " }')

9. Check Snapshot Manager status using the following command:

   kubectl get cpserver -n $ENVIRONMENT_NAMESPACE