This article will guide you about how to migrate helm v2 to helm v3 along with currently running resources in the environment.
In my previous article we have seen how to install helm version 2. Now in this article we are going to migrate currently running helm v2 configuration and its running resources to helm v3. To perform migration of helm v2 to helm v3 we are going to install plugin called 2to3 in the helm3.
Steps to migrate helm v2 to helm v3:
- Check currently running resources in helm v2
As you can see that helm v3 is not managing any chart however we do have one chart deployed in helm v2 named mynginx which we are going to migrate to helm v3.
- Install plugin 2to3 in helm v3 environemnt using below command.
As you can see that, there is move command which will migrate helm v2 to helm v3. So lets do config migration to v3.
- Perform the dry-run of the migration to check which resources or config is going to migrate to helm v3 version using command below:
As in the above output it has given all the details about migration lets perform the actual migration below command without –dry-run option.
#devops #helm #kubernetes
