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Add example listing object labels (#12600)

pull/12628/head
Tim Bannister 2019-02-13 10:17:08 +00:00 committed by Kubernetes Prow Robot
parent 32211de0f5
commit ae70b25010
1 changed files with 4 additions and 0 deletions
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4
content/en/docs/reference/kubectl/cheatsheet.md
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@ -150,6 +150,10 @@ kubectl get nodes -o jsonpath='{.items[*].status.addresses[?(@.type=="ExternalIP
sel=${$(kubectl get rc my-rc --output=json | jq -j '.spec.selector | to_entries | .[] | "\(.key)=\(.value),"')%?}
echo $(kubectl get pods --selector=$sel --output=jsonpath={.items..metadata.name})
# Show labels for all pods (or any other Kubernetes object that supports labelling)
# Also uses "jq"
for item in $( kubectl get pod --output=name); do printf "Labels for %s\n" "$item" | grep --color -E '[^/]+$' && kubectl get "$item" --output=json | jq -r -S '.metadata.labels | to_entries | .[] | " \(.key)=\(.value)"' 2>/dev/null; printf "\n"; done
# Check which nodes are ready
JSONPATH='{range .items[*]}{@.metadata.name}:{range @.status.conditions[*]}{@.type}={@.status};{end}{end}' \
&& kubectl get nodes -o jsonpath="$JSONPATH" | grep "Ready=True"