Support unsealing into multiple namespaces

[KlavsKlavsen]

Which component:
Controller

Is your feature request related to a problem? Please describe.
We have several containers that needs fetching from a password protected registry - and currently we have to have the SAME secret defined for each namespace we need them in.

We also have other secrets, which we have to duplicate in multiple namespaces

Describe the solution you'd like
If we could put multiple namespace targets on 1 secret - that would make life so much easier :)

[rowi1de]

You can try this as a workaround https://github.com/emberstack/kubernetes-reflector but it would be a really helpful feature

[ywarezk]

Just to expand on @rowi1de correct answer.
To use kubernetes-reflector to duplicate your secrets across namespaces, you will need to add the following to SealedSecret manifest:

apiVersion: bitnami.com/v1alpha1
kind: SealedSecret
metadata:
  annotations:
    sealedsecrets.bitnami.com/cluster-wide: 'true'
  creationTimestamp: null
  name: ***
  namespace: default
spec:
  template:
    metadata:
      annotations:
        reflector.v1.k8s.emberstack.com/reflection-allowed: 'true'
        reflector.v1.k8s.emberstack.com/reflection-auto-enabled: 'true'
  encryptedData:
    ***: ***

Notice that we added the spec.template.metadata.annotations to add annotation to the created kind: Secret
This will allow the reflector to duplicate the secret

[willbush]

Found this related tool https://config-syncer.com/ (I haven't tried either yet).