Files F34730938

kubectl
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	JMeybohm
	Nov 5 2021, 8:58 AM

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kubectl
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	# List all images (without registry) running in the cluster
	kubectl get pods --all-namespaces --field-selector=status.phase=Running -o jsonpath="{..image}" \| tr ' ' '\n' \| sed 's/.*\///' \| sort -u

	# List images used per namespace
	kubectl get pods --all-namespaces --field-selector=status.phase=Running -o=jsonpath='{range .items[]}{"\n"}{.metadata.namespace}{":\t"}{range .spec.containers[]}{.image}{", "}{end}{end}'

	# Peek into a helm deployment config
	kubectl get cm staging.v1 -o jsonpath='{.data.release}' \| base64 -d \| gunzip \| vim -
	# Or a TLS certificate
	kubectl get secret certificate-by-issuer -o jsonpath='{.data.tls\.crt}' \| base64 -d \| openssl x509 -noout -text -in -

	# List all "Group" available in the cluster
	kubectl get clusterrolebindings.rbac.authorization.k8s.io,rolebindings.rbac.authorization.k8s.io -A -o go-template='{{range $i :=.items}}{{range $i.subjects}}{{if eq .kind "Group"}}{{$i.metadata.namespace}}/{{$i.metadata.name}} emerges group: {{ .name }}{{"\n"}}{{end}}{{end}}{{end}}'

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