Merge kubeconfigs

Combine multiple kubeconfig files into one

KUBECONFIG=~/.kube/config:~/.kube/cluster2.yaml kubectl config view --flatten > ~/.kube/merged.yaml
tool
kubectl73 commands
tags
config

More kubectl commands

  • Set default namespace for context
    kubectl config set-context --current --namespace=<ns>

    Avoid typing -n on every command for this context

  • Get cluster info
    kubectl cluster-info

    Show API server and CoreDNS endpoints

  • Get node conditions
    kubectl get nodes -o jsonpath='{range .items[*]}{.metadata.name}{": "}{range .status.conditions[*]}{.type}={.status},{" "}{end}{"\n"}{end}'

    Show all conditions per node (Ready, MemoryPressure, DiskPressure)

  • Trigger CronJob manually
    kubectl create job --from=cronjob/<name> manual-run -n <ns>

    Immediately run a CronJob as a one-off Job

  • Wait for pod ready
    kubectl wait pod -l app=<label> -n <ns> --for=condition=Ready --timeout=120s

    Block until matching pods are Ready or timeout

all 73 kubectl commands