Kubernetes Selector Concepts

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External

Internal

Example

...
selector:
  matchLabels:
    color: blue
...

Query by Selector

Get the namespace of the first pod from a series that has an "app=my-app" label.

<syntaxhighlight lang='bash'> kubectl get -A pods --selector=app=my-app -o jsonpath='{.items[0].metadata.namespace}' </syntaxhighlight lang='bash'>