kubernetes/kops · error

creating dynamic client: %w

Error message

creating dynamic client: %w

What it means

Constructing the dynamic client from the rest.Config failed while initializing the resource dumper; the config cannot be turned into a client (invalid host, auth, or TLS setup), before any resource is fetched.

Source

Thrown at pkg/dump/resourcedumper.go:86

}

type resourceDumper struct {
	k8sConfig     *rest.Config
	dynamicClient *dynamic.DynamicClient
	output        string
	artifactsDir  string
}

type resourceDumpResult struct {
	err error
}

func NewResourceDumper(k8sConfig *rest.Config, output, artifactsDir string) (*resourceDumper, error) {
	k8sConfig.QPS = 50
	k8sConfig.Burst = 100
	dynamicClient, err := dynamic.NewForConfig(k8sConfig)
	if err != nil {
		return nil, fmt.Errorf("creating dynamic client: %w", err)
	}
	return &resourceDumper{
		k8sConfig:     k8sConfig,
		dynamicClient: dynamicClient,
		output:        output,
		artifactsDir:  artifactsDir,
	}, nil
}

func (d *resourceDumper) DumpResources(ctx context.Context) error {
	klog.Info("Dumping k8s resources")
	clientSet, err := kubernetes.NewForConfig(d.k8sConfig)
	if err != nil {
		return fmt.Errorf("creating clientset: %w", err)
	}

	namespaces, err := clientSet.CoreV1().Namespaces().List(ctx, metav1.ListOptions{})
	if err != nil {

View on GitHub (pinned to 4c8573c808)

Solutions

1. Regenerate kubeconfig via kops export kubeconfig
2. Validate the rest config's server URL and credentials
3. Check env overrides that may corrupt the config

When it happens

Trigger: Thrown at pkg/dump/resourcedumper.go:86 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of kubernetes/kops@4c8573c808 (2026-09-05). Data as JSON: /api/errors/b91132015ae7ad7f. Report an issue: GitHub.