DEBUG

Debugging tips for the kube-agent-updater

Running locally the updater against a remote Kubernetes cluster

Running locally let you attach a debugger while still working against a real cluster. This can be used to reproduce most complex issues and troubleshoot specific cases.

• Validate your current context works
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  kubectl cluster-info
  

• Open a proxy to the api-server, then let the shell open and running
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  kubectl proxy
  

• open a new terminal, create a new temporary directory and create your new kubeconfig
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  export KUBECONFIG="$(mktemp)"
  kubectl config set-credentials myself --username=foo
  kubectl config set-cluster local-server --server=http://localhost:8001
  kubectl config set-context default-context --cluster=local-server --user=myself
  kubectl config use-context default-context
  echo "$KUBECONFIG"
  

• run the controller with the KUBECONFIG environment variable set