mirror of https://github.com/fluxcd/cli-utils.git
82 lines
2.2 KiB
Go
82 lines
2.2 KiB
Go
// Copyright 2022 The Kubernetes Authors.
|
|
// SPDX-License-Identifier: Apache-2.0
|
|
|
|
package clusterreader
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
|
|
"k8s.io/apimachinery/pkg/api/meta"
|
|
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
|
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
|
|
"k8s.io/apimachinery/pkg/labels"
|
|
"k8s.io/client-go/dynamic"
|
|
"sigs.k8s.io/controller-runtime/pkg/client"
|
|
)
|
|
|
|
// DynamicClusterReader is an implementation of the ClusterReader that delegates
|
|
// all calls directly to the underlying DynamicClient. No caching.
|
|
type DynamicClusterReader struct {
|
|
DynamicClient dynamic.Interface
|
|
Mapper meta.RESTMapper
|
|
}
|
|
|
|
func (n *DynamicClusterReader) Get(ctx context.Context, key client.ObjectKey, obj *unstructured.Unstructured) error {
|
|
mapping, err := n.Mapper.RESTMapping(obj.GroupVersionKind().GroupKind())
|
|
if err != nil {
|
|
return fmt.Errorf("failed to map object: %w", err)
|
|
}
|
|
|
|
serverObj, err := n.DynamicClient.Resource(mapping.Resource).
|
|
Namespace(key.Namespace).
|
|
Get(ctx, key.Name, metav1.GetOptions{})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
serverObj.DeepCopyInto(obj)
|
|
return nil
|
|
}
|
|
|
|
func (n *DynamicClusterReader) ListNamespaceScoped(ctx context.Context, list *unstructured.UnstructuredList, namespace string, selector labels.Selector) error {
|
|
mapping, err := n.Mapper.RESTMapping(list.GroupVersionKind().GroupKind())
|
|
if err != nil {
|
|
return fmt.Errorf("failed to map object: %w", err)
|
|
}
|
|
|
|
serverObj, err := n.DynamicClient.Resource(mapping.Resource).
|
|
Namespace(namespace).
|
|
List(ctx, metav1.ListOptions{
|
|
LabelSelector: selector.String(),
|
|
})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
serverObj.DeepCopyInto(list)
|
|
return nil
|
|
}
|
|
|
|
func (n *DynamicClusterReader) ListClusterScoped(ctx context.Context, list *unstructured.UnstructuredList, selector labels.Selector) error {
|
|
mapping, err := n.Mapper.RESTMapping(list.GroupVersionKind().GroupKind())
|
|
if err != nil {
|
|
return fmt.Errorf("failed to map object: %w", err)
|
|
}
|
|
|
|
serverObj, err := n.DynamicClient.Resource(mapping.Resource).
|
|
List(ctx, metav1.ListOptions{
|
|
LabelSelector: selector.String(),
|
|
})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
serverObj.DeepCopyInto(list)
|
|
return nil
|
|
}
|
|
|
|
func (n *DynamicClusterReader) Sync(_ context.Context) error {
|
|
return nil
|
|
}
|