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STAC-24446: sts-backup respects KUBECONFIG environment variable #24

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Merged
viliakov merged 1 commit into from
Apr 1, 2026
Merged

STAC-24446: sts-backup respects KUBECONFIG environment variable #24

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19 changes: 9 additions & 10 deletions internal/clients/k8s/client.go
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Original file line number Diff line number Diff line change
Expand Up @@ -10,7 +10,6 @@ import (
"net/url"
"os"
"path"
"path/filepath"
"time"

appsv1 "k8s.io/api/apps/v1"
Expand All @@ -36,18 +35,18 @@ func (c *Client) Clientset() kubernetes.Interface {
return c.clientset
}

// NewClient creates a new Kubernetes client
// NewClient creates a new Kubernetes client.
// Kubeconfig precedence: explicit flag > KUBECONFIG env var > ~/.kube/config
func NewClient(kubeconfigPath string, debug bool) (*Client, error) {
if kubeconfigPath == "" {
// Use default kubeconfig location
home, err := os.UserHomeDir()
if err != nil {
return nil, fmt.Errorf("failed to get home directory: %w", err)
}
kubeconfigPath = filepath.Join(home, ".kube", "config")
loadingRules := clientcmd.NewDefaultClientConfigLoadingRules()
if kubeconfigPath != "" {
loadingRules.ExplicitPath = kubeconfigPath
}

config, err := clientcmd.BuildConfigFromFlags("", kubeconfigPath)
config, err := clientcmd.NewNonInteractiveDeferredLoadingClientConfig(
loadingRules,
&clientcmd.ConfigOverrides{},
).ClientConfig()
if err != nil {
return nil, fmt.Errorf("failed to build config: %w", err)
}
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