bashANYjsonpathpods
bash
kubectl get pods -n payments -o jsonpath='{.items[*].metadata.name}'Print all pod names in a namespace.
Kubernetes JSONPath and Kustomize Cheat Sheet
JSONPath recipes, custom output patterns, jq/yq workflows, and Kustomize commands supported by kubectl.
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JSONPath Output Recipes
Common JSONPath patterns for kubectl output.
bashANYjsonpathimages
bash
kubectl get pods -n payments -o jsonpath='{range .items[*]}{.metadata.name}{"\t"}{.spec.containers[*].image}{"
"}{end}'Print pod names and container images.
bashANYjsonpathnodes
bash
kubectl get nodes -o jsonpath='{range .items[*]}{.metadata.name}{"\t"}{.status.addresses[?(@.type=="InternalIP")].address}{"
"}{end}'Print node names with internal IPs.
bashANYjsonpathservice
bash
kubectl get svc web -n payments -o jsonpath='{range .spec.ports[*]}{.name}{":"}{.port}{"->"}{.targetPort}{"
"}{end}'Print service port mappings.
bashANYjsonpathsecret
bash
kubectl get secret app-secret -n payments -o jsonpath='{.data}'Print the secret data object keys and values.
bashANYjsonpathpodsrestarts
bash
kubectl get pods -n payments -o jsonpath='{range .items[*]}{.metadata.name}{"\t"}{.status.containerStatuses[*].restartCount}{"
"}{end}'Print pod restart counts.
bashANYjsonpathingress
bash
kubectl get ingress -n payments -o jsonpath='{range .items[*]}{.metadata.name}{"\t"}{.spec.rules[*].host}{"
"}{end}'Print ingress names and hosts.
bashANYjsonpathpvc
bash
kubectl get pvc -n data -o jsonpath='{range .items[*]}{.metadata.name}{"\t"}{.status.capacity.storage}{"
"}{end}'Print PVC names and bound storage sizes.
Go Templates, Custom Columns, and jq-Friendly Patterns
Alternative output strategies beyond JSONPath.
bashANYoutputcustom-columnsnodes
bash
kubectl get nodes -o custom-columns=NAME:.metadata.name,CPU:.status.capacity.cpu,MEM:.status.capacity.memory,EPHEMERAL:.status.capacity.ephemeral-storageShow capacity data in a concise table.
bashANYoutputgo-template
bash
kubectl get pods -n payments -o go-template='{{range .items}}{{.metadata.name}}{{"\t"}}{{.status.phase}}{{"
"}}{{end}}'Render output using Go templates.
bashANYjqjson
bash
kubectl get deployment web -n payments -o json | jqPipe kubectl JSON into jq for flexible filtering.
bashANYyamlyq
bash
kubectl get deployment web -n payments -o yaml | yq '.spec.template.spec.containers[].image'Extract YAML fields with yq.
Kustomize with kubectl
Preview and apply overlays and generated resources.
bashANYkustomizerender
bash
kubectl kustomize overlays/prodBuild a kustomization without applying it.
bashANYkustomizeapply
bash
kubectl apply -k overlays/prodApply resources from a kustomization directory.
bashANYkustomizedelete
bash
kubectl delete -k overlays/prodDelete resources generated by a kustomization.
bashANYkustomizediff
bash
kubectl diff -k overlays/prodPreview the changes from a kustomization.
bashANYkustomizeprune
bash
kubectl apply -k overlays/prod --prune -l app.kubernetes.io/managed-by=kustomizeApply a kustomization and prune matching managed objects.
bashANYkustomizedry-runyaml
bash
kubectl create configmap app-config --from-file=app.env -o yaml --dry-run=clientGenerate YAML that can be committed into Kustomize overlays.
More in Kubernetes
kubeadm Cheat Sheet
Bootstrap, join, cert, kubeconfig, reset, phase, image, and upgrade commands for kubeadm-managed clusters.
Kubernetes Troubleshooting Cheat Sheet
Debugging, inspection, RBAC checks, rollout failures, node health, and maintenance-oriented kubectl workflows.
Kubernetes Networking, Storage, and Config Cheat Sheet
Services, ingress, EndpointSlices, network policies, PVCs, PVs, storage classes, ConfigMaps, Secrets, and nodes.
Kubernetes Workloads Cheat Sheet
Deployments, StatefulSets, DaemonSets, Jobs, CronJobs, autoscaling, rollouts, and workload maintenance.
Kubernetes & kubectl Cheat Sheet
Comprehensive kubectl commands for contexts, resources, apply flows, creation, deletion, logs, and cluster introspection.
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