{"record":{"id":"a34021711b3dcc0e","repo":"hashicorp/terraform","slug":"failed-to-configure-s","errorCode":null,"errorMessage":"Failed to configure: %s","messagePattern":"Failed to configure: (.+?)","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"internal/backend/remote-state/kubernetes/backend.go","lineNumber":254,"sourceCode":"\tbackendbase.Base\n\n\t// The fields below are set from configure\n\tkubernetesSecretClient dynamic.ResourceInterface\n\tkubernetesLeaseClient  coordinationv1.LeaseInterface\n\tconfig                 *restclient.Config\n\tnamespace              string\n\tlabels                 map[string]string\n\tnameSuffix             string\n}\n\nfunc (b Backend) KubernetesSecretClient() (dynamic.ResourceInterface, error) {\n\tif b.kubernetesSecretClient != nil {\n\t\treturn b.kubernetesSecretClient, nil\n\t}\n\n\tclient, err := dynamic.NewForConfig(b.config)\n\tif err != nil {\n\t\treturn nil, fmt.Errorf(\"Failed to configure: %s\", err)\n\t}\n\n\tb.kubernetesSecretClient = client.Resource(secretResource).Namespace(b.namespace)\n\treturn b.kubernetesSecretClient, nil\n}\n\nfunc (b Backend) KubernetesLeaseClient() (coordinationv1.LeaseInterface, error) {\n\tif b.kubernetesLeaseClient != nil {\n\t\treturn b.kubernetesLeaseClient, nil\n\t}\n\n\tclient, err := kubernetes.NewForConfig(b.config)\n\tif err != nil {\n\t\treturn nil, err\n\t}\n\n\tb.kubernetesLeaseClient = client.CoordinationV1().Leases(b.namespace)\n\treturn b.kubernetesLeaseClient, nil","sourceCodeStart":236,"sourceCodeEnd":272,"githubUrl":"https://github.com/hashicorp/terraform/blob/d32a084675427f5ac3f7d2868578ef8b2c1dc525/internal/backend/remote-state/kubernetes/backend.go#L236-L272","documentation":"Thrown by KubernetesSecretClient() when dynamic.NewForConfig(b.config) fails (backend.go:251-255). The Kubernetes dynamic client is used to read/write Secret objects holding state. The %s is the client-go configuration error. This is a lazy-initialized client — the error surfaces on first state operation, not at backend Configure time.","triggerScenarios":"b.config is nil (Configure was not called or failed to set config), or the restclient.Config is malformed in a way dynamic.NewForConfig rejects (e.g., missing required fields, invalid CA data, incompatible API path configuration).","commonSituations":"Backend configured with conflicting auth fields (both token and client_certificate); a config that passes initial validation but is rejected by the dynamic client builder; kubeconfig with malformed cert data; version mismatch between client-go and the API server.","solutions":["Inspect the wrapped %s error — it names the exact config problem (e.g., invalid CA, missing host).","Ensure exactly one auth method is set (token OR client cert/key, not both).","Validate the kubeconfig works with kubectl --kubeconfig <file> get secrets first.","Confirm host, cluster_ca_certificate, and credentials are all correctly set in the backend block."],"exampleFix":null,"handlingStrategy":"validation","validationCode":"// Validate the restclient.Config before the backend uses it:\n// if _, err := dynamic.NewForConfig(cfg); err != nil { /* fail fast with err */ }","typeGuard":null,"tryCatchPattern":"// _, err := b.KubernetesSecretClient()\n// if err != nil { log.Fatalf(\"k8s dynamic client config invalid: %v\", err) }","preventionTips":["Test the kubeconfig with kubectl get secrets before configuring the backend.","Set only one auth method (token OR client cert) to avoid dynamic client rejection.","Validate cluster_ca_certificate / host fields are present and correct."],"tags":["kubernetes-backend","config","dynamic-client","auth"],"backgroundTag":null,"analyzedSha":"d32a084675427f5ac3f7d2868578ef8b2c1dc525","analyzedAt":"2026-08-11T18:43:52.779Z","contentChangedAt":null,"schemaVersion":2},"datasetVersion":"2026-09-23T08:17:48.524Z"}