Kubernetes Selector Concepts: Difference between revisions

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     color: blue
     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'>

Revision as of 20:41, 2 July 2020

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'>