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UPGRADING.md

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Upgrading from 2.X.Y to 3.0.0

Upgrading to 3.0.0 from 2.X.Y will destroy and recreate the ingress nginx controller resource since now we're using the external module hosted on GitHub.

To avoid that you will need to use the moved resource:

moved {
  from = module.MODULE_NAME.helm_release.ingress_nginx_release
  to   = module.MODULE_NAME.helm_release.this
}

Upgrading to 3.0.0 from 2.X.Y will also destroy and recreate the namespace, which is caused by the change of the kubernetes_namespace to kubernetes_namespace_v1 resource.

You will need to import the new resource with the name of the current namespace.

It can be done using the import resource to import the new resource using the id of the old one:

import {
  to = module.MODULE_NAME.kubernetes_namespace_v1.this[0]
  id = NS_NAME
}

Or manually using the terraform cli:

terraform import module.MODULE_NAME.kubernetes_namespace_v1.this[0] NS_NAME

And then you have to remove manually the old one from the state:

terraform state rm module.MODULE_NAME.kubernetes_namespace.ingress_nginx