juliangroen/cka_notes.md

## cka_notes.md

      
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    Certified Kubernetes Administrator

kubectl notes

jsonpath filtering/searching/etc


syntax is similar to jq selectors
jsonpath root is represented by a $ but it not required.
when the output of a kubectl command is a list of items .items[*] must be used first.

Examples

best practice to surround with '{}'


✅ '{.status.podIP}'
❌ .status.podIP

reference to the root object ($) does not need to be provided


✅ '{$.status.podIP}'
✅ '{.status.podIP}'

sorting the results of a command

--sort-by='{.status.podIP}'

when using jsonpath as the output parameter on a command that returns a list

-o jsonpath='{.items[*].status.podIP}