{"record":{"id":"a53934f7d017809e","repo":"GoogleContainerTools/skaffold","slug":"error-creating-rest-client-config-for-kubecontext","errorCode":null,"errorMessage":"error creating REST client config for kubeContext %q: %w","messagePattern":"error creating REST client config for kubeContext %q: %w","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"pkg/skaffold/kubernetes/context/context.go","lineNumber":106,"sourceCode":"\n\trawConfig, err := getCurrentConfig()\n\tif err != nil {\n\t\treturn nil, err\n\t}\n\n\tclientConfig := clientcmd.NewNonInteractiveClientConfig(rawConfig, kctx, &clientcmd.ConfigOverrides{CurrentContext: kctx}, clientcmd.NewDefaultClientConfigLoadingRules())\n\trestConfig, err := clientConfig.ClientConfig()\n\tif kctx == \"\" && kcfg == \"\" && clientcmd.IsEmptyConfig(err) {\n\t\tlog.Entry(context.TODO()).Debug(\"no kube-context set and no kubeConfig found, attempting in-cluster config\")\n\t\trestConfig, err := restclient.InClusterConfig()\n\t\tif err != nil {\n\t\t\treturn restConfig, fmt.Errorf(\"error creating REST client config in-cluster: %w\", err)\n\t\t}\n\n\t\treturn restConfig, nil\n\t}\n\tif err != nil {\n\t\treturn restConfig, fmt.Errorf(\"error creating REST client config for kubeContext %q: %w\", kctx, err)\n\t}\n\n\treturn restConfig, nil\n}\n\n// getCurrentConfig retrieves and caches the raw kubeConfig. The cache ensures that Skaffold always works with the identical kubeconfig,\n// even if it was changed on disk.\nfunc getCurrentConfig() (clientcmdapi.Config, error) {\n\tkubeConfigOnce.Do(func() {\n\t\tloadingRules := clientcmd.NewDefaultClientConfigLoadingRules()\n\t\tloadingRules.ExplicitPath = kubeConfigFile\n\t\tkubeConfig = clientcmd.NewNonInteractiveDeferredLoadingClientConfig(loadingRules, &clientcmd.ConfigOverrides{\n\t\t\tCurrentContext: kubeContext,\n\t\t})\n\t})\n\n\tcfg, err := kubeConfig.RawConfig()\n\tif kubeContext != \"\" {","sourceCodeStart":88,"sourceCodeEnd":124,"githubUrl":"https://github.com/GoogleContainerTools/skaffold/blob/a1189de023efc32d4b8e11f395acc678aa555011/pkg/skaffold/kubernetes/context/context.go#L88-L124","documentation":"In getRestClientConfig, the clientcmd.ClientConfig built for the selected kubeContext produces a rest config via ClientConfig(). Any failure here — the error is non-nil and not the empty-config case — is wrapped with this message naming the kubeContext. It covers bad server URLs, missing CA files, missing auth credentials, etc.","triggerScenarios":"GetRestClientConfig(kctx) when the context's cluster has an invalid/unreachable server URL, the certificate-authority file path doesn't exist, client certificate/key files are missing, or the user entry's auth data is invalid.","commonSituations":"Kubeconfig written by hand with wrong CA paths; context left over from a deleted cluster; expired credentials; KUBECONFIG merge producing a context referencing a missing user or cluster.","solutions":["Run `kubectl config use-context <kctx>` then `kubectl cluster-info` to validate the context works with kubectl","Fix the kubeconfig entry: correct server URL and certificate-authority/client-key file paths (`kubectl config set-cluster ...`)","Re-authenticate (gcloud/az/aws eks update-kubeconfig) or re-generate the kubeconfig for the cluster"],"exampleFix":"// before: context points at deleted cluster\n// after: regenerate credentials\ngcloud container clusters get-credentials my-cluster --zone us-central1-a","handlingStrategy":"validation","validationCode":"raw, _ := clientcmd.NewNonInteractiveDeferredLoadingClientConfig(\n    clientcmd.NewDefaultClientConfigLoadingRules(), nil).RawConfig()\nctxDef := raw.Contexts[kubeContext]\ncl := raw.Clusters[ctxDef.Cluster]\nif cl == nil {\n    return fmt.Errorf(\"context %q references missing cluster\", kubeContext)\n}\nif cl.CertificateAuthority != \"\" {\n    if _, err := os.Stat(cl.CertificateAuthority); err != nil {\n        return fmt.Errorf(\"CA file missing: %s\", cl.CertificateAuthority)\n    }\n}","typeGuard":"func contextUsable(kubeContext string) bool {\n    cfg, err := clientcmd.NewNonInteractiveDeferredLoadingClientConfig(\n        clientcmd.NewDefaultClientConfigLoadingRules(),\n        &clientcmd.ConfigOverrides{CurrentContext: kubeContext}).ClientConfig()\n    return err == nil && cfg.Host != \"\"\n}","tryCatchPattern":"cfg, err := context.GetRestClientConfig(kubeContext)\nif err != nil {\n    return fmt.Errorf(\"fix kubeconfig entry for %q (`kubectl config get-contexts`): %w\", kubeContext, err)\n}","preventionTips":["Validate each context with `kubectl --context <kctx> cluster-info` before automated runs","Regenerate kubeconfigs via cloud CLIs instead of hand-editing CA paths","Prune contexts/users/clusters left from deleted clusters"],"tags":["kubernetes","kubeconfig","rest-config"],"backgroundTag":"invalid-kubeconfig","analyzedSha":"a1189de023efc32d4b8e11f395acc678aa555011","analyzedAt":"2026-09-05T12:09:27.064Z","contentChangedAt":"2026-09-05T12:09:27.064Z","schemaVersion":2},"datasetVersion":"2026-09-12T17:17:11.597Z"}