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package tenantnode
import (
"context"
"encoding/json"
"fmt"
apierrors "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
"k8s.io/client-go/kubernetes"
)
type ClientNodeWriter struct {
client kubernetes.Interface
}
func NewClientNodeWriter(client kubernetes.Interface) *ClientNodeWriter {
return &ClientNodeWriter{client: client}
}
func (w *ClientNodeWriter) PatchProviderID(ctx context.Context, nodeName, providerID string) error {
body, err := json.Marshal(map[string]any{
"spec": map[string]any{"providerID": providerID},
})
if err != nil {
return fmt.Errorf("tenantnode: encoding the provider ID %s for the Node %s: %w",
providerID, nodeName, err)
}
if _, err := w.client.CoreV1().Nodes().Patch(ctx, nodeName, types.MergePatchType, body, metav1.PatchOptions{}); err != nil {
return fmt.Errorf("tenantnode: patching the provider ID of the Node %s: %w", nodeName, err)
}
return nil
}
func (w *ClientNodeWriter) SetLabels(ctx context.Context, nodeName string, set map[string]string, remove []string) error {
labels := map[string]any{}
for k, v := range set {
labels[k] = v
}
for _, k := range remove {
labels[k] = nil
}
if len(labels) == 0 {
return nil
}
body, err := json.Marshal(map[string]any{
"metadata": map[string]any{"labels": labels},
})
if err != nil {
return fmt.Errorf("tenantnode: encoding the labels of the Node %s: %w", nodeName, err)
}
if _, err := w.client.CoreV1().Nodes().Patch(ctx, nodeName, types.MergePatchType, body, metav1.PatchOptions{}); err != nil {
return fmt.Errorf("tenantnode: patching the labels of the Node %s: %w", nodeName, err)
}
return nil
}
func (w *ClientNodeWriter) DeleteNode(ctx context.Context, nodeName string) error {
err := w.client.CoreV1().Nodes().Delete(ctx, nodeName, metav1.DeleteOptions{})
if err != nil && !apierrors.IsNotFound(err) {
return fmt.Errorf("tenantnode: deleting the Node %s: %w", nodeName, err)
}
return nil
}
