Kubernetes Operations: Difference between revisions

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=To Redistribute=
=To Redistribute=
==Get the Manifest for an Existing Object==
The manifest can be used to recreate the object:
kubectl get pod ''pod-name'' --export -o yaml
Note that --export is deprecated and will be removed in the future so find an equivalent.


==Kill Immediately==
==Kill Immediately==

Revision as of 17:26, 22 August 2019

Internal

Subjects

Runtimes

To Redistribute

Kill Immediately

kubectl delete -n my-ns pod my-pod --force --grace-period=0

Logging

"Tail" logging:

kubectl -n my-namespace logs -f my-pod

Logging that survives pod restart:

while ! kubectl -n my-namespace logs -f my-pod; do sleep 1; done

Port Fowarding

 while ! kubectl -n my-namespace port-forward service/my-service 8787:8787; do sleep 1; done

Get an Individual Attribute Only

https://gist.github.com/so0k/42313dbb3b547a0f51a547bb968696ba

kubectl ... -o jsonpath="{.status.phase}"
kubectl ... -o jsonpath="{.items[?(@.spec.unschedulable)].metadata.name}"