'Kubernetes global variables (for all namespaces)

I need to create and mantain some global variables accessible for applications running in all namespaces, because some tools/apps are standard in my dev cluster.

For example:

  • APM ENDPOINT
  • APM User/pass
  • RabbitMQ endpoint
  • MongoDB endpoint

For any reason, when i change/migrate any global variable, i want to change one time for all running applications in cluster (just needed restart pod), and if a create an "global" configmap and read in envFrom, i need to change/update the configmap in all namespaces.

Someone have an idea to do this? I thinked to use Hashicorp vault with specific role for global environments, but i need to adapt all applications to use Vault, and maybe have better idea.

Thanks

kubernetes


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