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OKD_migrate_and_managing_deployment_using_helm.md

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Migrate & managing deployment using Helm

Update current YAML file on K8s/Openshift/OKD

Current YAML config file

apiVersion: apps.openshift.io/v1
...
metadata:
  ...
  labels:
    app: REST-Services
  name: my-rest-api
  namespace: my-project
  ...
...

New YAML config file

apiVersion: apps.openshift.io/v1
...
metadata:
  ...
  labels:
    app: REST-Services
    app.kubernetes.io/managed-by: Helm
  annotations:
    meta.helm.sh/release-name: my-rest-api
    meta.helm.sh/release-namespace: my-project
  name: my-rest-api
  namespace: my-project
  ...

Run deployment using Helm chart

$ helm upgrade --install --debug --namespace my-project my-rest-api .

Known issues

YAML config on K8s/Openshift/OKD wont update

Try to run deployment using --force option, use at your own risk

$ helm upgrade --install --force --debug --namespace my-project my-rest-api .