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Add snippet to list all secrets currently in use

pull/3217/merge
Jakob Jarosch 2017-03-07 17:20:46 +01:00 committed by Andrew Chen
parent 61c1605c27
commit 5d5597bf7d
1 changed files with 4 additions and 1 deletions
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5
docs/user-guide/kubectl-cheatsheet.md
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@ -122,13 +122,16 @@ $ kubectl get pods --selector=app=cassandra rc -o \
$ kubectl get nodes -o jsonpath='{.items[*].status.addresses[?(@.type=="ExternalIP")].address}' $ kubectl get nodes -o jsonpath='{.items[*].status.addresses[?(@.type=="ExternalIP")].address}'
# List Names of Pods that belong to Particular RC # List Names of Pods that belong to Particular RC
# "jq" command useful for transformations that are too complex for jsonpath # "jq" command useful for transformations that are too complex for jsonpath, it can be found at https://stedolan.github.io/jq/
$ sel=${$(kubectl get rc my-rc --output=json | jq -j '.spec.selector | to_entries | .[] | "\(.key)=\(.value),"')%?} $ 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}) $ echo $(kubectl get pods --selector=$sel --output=jsonpath={.items..metadata.name})
# Check which nodes are ready # Check which nodes are ready
$ JSONPATH='{range .items[*]}{@.metadata.name}:{range @.status.conditions[*]}{@.type}={@.status};{end}{end}' \ $ JSONPATH='{range .items[*]}{@.metadata.name}:{range @.status.conditions[*]}{@.type}={@.status};{end}{end}' \
&& kubectl get nodes -o jsonpath=$JSONPATH | grep "Ready=True" && kubectl get nodes -o jsonpath=$JSONPATH | grep "Ready=True"
# List all Secrets currently in use by a pod
$ kubectl get pods -o json | jq '.items[].spec.containers[].env[]?.valueFrom.secretKeyRef.name' | grep -v null | sort | uniq
``` ```
## Updating Resources ## Updating Resources