mirror of
https://github.com/ceph/ceph-csi.git
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540 lines
18 KiB
Go
540 lines
18 KiB
Go
/*
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Copyright 2018 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package fake
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import (
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"context"
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"fmt"
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"strings"
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"k8s.io/apimachinery/pkg/api/meta"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
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"k8s.io/apimachinery/pkg/labels"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/runtime/schema"
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"k8s.io/apimachinery/pkg/runtime/serializer"
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"k8s.io/apimachinery/pkg/types"
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"k8s.io/apimachinery/pkg/watch"
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"k8s.io/client-go/dynamic"
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"k8s.io/client-go/testing"
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)
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func NewSimpleDynamicClient(scheme *runtime.Scheme, objects ...runtime.Object) *FakeDynamicClient {
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unstructuredScheme := runtime.NewScheme()
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for gvk := range scheme.AllKnownTypes() {
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if unstructuredScheme.Recognizes(gvk) {
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continue
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}
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if strings.HasSuffix(gvk.Kind, "List") {
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unstructuredScheme.AddKnownTypeWithName(gvk, &unstructured.UnstructuredList{})
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continue
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}
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unstructuredScheme.AddKnownTypeWithName(gvk, &unstructured.Unstructured{})
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}
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objects, err := convertObjectsToUnstructured(scheme, objects)
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if err != nil {
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panic(err)
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}
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for _, obj := range objects {
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gvk := obj.GetObjectKind().GroupVersionKind()
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if !unstructuredScheme.Recognizes(gvk) {
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unstructuredScheme.AddKnownTypeWithName(gvk, &unstructured.Unstructured{})
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}
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gvk.Kind += "List"
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if !unstructuredScheme.Recognizes(gvk) {
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unstructuredScheme.AddKnownTypeWithName(gvk, &unstructured.UnstructuredList{})
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}
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}
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return NewSimpleDynamicClientWithCustomListKinds(unstructuredScheme, nil, objects...)
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}
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// NewSimpleDynamicClientWithCustomListKinds try not to use this. In general you want to have the scheme have the List types registered
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// and allow the default guessing for resources match. Sometimes that doesn't work, so you can specify a custom mapping here.
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func NewSimpleDynamicClientWithCustomListKinds(scheme *runtime.Scheme, gvrToListKind map[schema.GroupVersionResource]string, objects ...runtime.Object) *FakeDynamicClient {
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// In order to use List with this client, you have to have your lists registered so that the object tracker will find them
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// in the scheme to support the t.scheme.New(listGVK) call when it's building the return value.
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// Since the base fake client needs the listGVK passed through the action (in cases where there are no instances, it
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// cannot look up the actual hits), we need to know a mapping of GVR to listGVK here. For GETs and other types of calls,
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// there is no return value that contains a GVK, so it doesn't have to know the mapping in advance.
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// first we attempt to invert known List types from the scheme to auto guess the resource with unsafe guesses
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// this covers common usage of registering types in scheme and passing them
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completeGVRToListKind := map[schema.GroupVersionResource]string{}
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for listGVK := range scheme.AllKnownTypes() {
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if !strings.HasSuffix(listGVK.Kind, "List") {
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continue
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}
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nonListGVK := listGVK.GroupVersion().WithKind(listGVK.Kind[:len(listGVK.Kind)-4])
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plural, _ := meta.UnsafeGuessKindToResource(nonListGVK)
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completeGVRToListKind[plural] = listGVK.Kind
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}
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for gvr, listKind := range gvrToListKind {
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if !strings.HasSuffix(listKind, "List") {
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panic("coding error, listGVK must end in List or this fake client doesn't work right")
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}
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listGVK := gvr.GroupVersion().WithKind(listKind)
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// if we already have this type registered, just skip it
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if _, err := scheme.New(listGVK); err == nil {
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completeGVRToListKind[gvr] = listKind
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continue
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}
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scheme.AddKnownTypeWithName(listGVK, &unstructured.UnstructuredList{})
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completeGVRToListKind[gvr] = listKind
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}
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codecs := serializer.NewCodecFactory(scheme)
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o := testing.NewObjectTracker(scheme, codecs.UniversalDecoder())
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for _, obj := range objects {
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if err := o.Add(obj); err != nil {
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panic(err)
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}
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}
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cs := &FakeDynamicClient{scheme: scheme, gvrToListKind: completeGVRToListKind, tracker: o}
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cs.AddReactor("*", "*", testing.ObjectReaction(o))
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cs.AddWatchReactor("*", func(action testing.Action) (handled bool, ret watch.Interface, err error) {
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gvr := action.GetResource()
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ns := action.GetNamespace()
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watch, err := o.Watch(gvr, ns)
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if err != nil {
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return false, nil, err
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}
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return true, watch, nil
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})
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return cs
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}
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// Clientset implements clientset.Interface. Meant to be embedded into a
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// struct to get a default implementation. This makes faking out just the method
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// you want to test easier.
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type FakeDynamicClient struct {
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testing.Fake
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scheme *runtime.Scheme
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gvrToListKind map[schema.GroupVersionResource]string
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tracker testing.ObjectTracker
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}
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type dynamicResourceClient struct {
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client *FakeDynamicClient
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namespace string
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resource schema.GroupVersionResource
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listKind string
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}
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var (
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_ dynamic.Interface = &FakeDynamicClient{}
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_ testing.FakeClient = &FakeDynamicClient{}
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)
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func (c *FakeDynamicClient) Tracker() testing.ObjectTracker {
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return c.tracker
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}
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func (c *FakeDynamicClient) Resource(resource schema.GroupVersionResource) dynamic.NamespaceableResourceInterface {
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return &dynamicResourceClient{client: c, resource: resource, listKind: c.gvrToListKind[resource]}
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}
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func (c *dynamicResourceClient) Namespace(ns string) dynamic.ResourceInterface {
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ret := *c
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ret.namespace = ns
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return &ret
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}
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func (c *dynamicResourceClient) Create(ctx context.Context, obj *unstructured.Unstructured, opts metav1.CreateOptions, subresources ...string) (*unstructured.Unstructured, error) {
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var uncastRet runtime.Object
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var err error
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switch {
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case len(c.namespace) == 0 && len(subresources) == 0:
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uncastRet, err = c.client.Fake.
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Invokes(testing.NewRootCreateAction(c.resource, obj), obj)
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case len(c.namespace) == 0 && len(subresources) > 0:
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var accessor metav1.Object // avoid shadowing err
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accessor, err = meta.Accessor(obj)
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if err != nil {
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return nil, err
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}
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name := accessor.GetName()
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uncastRet, err = c.client.Fake.
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Invokes(testing.NewRootCreateSubresourceAction(c.resource, name, strings.Join(subresources, "/"), obj), obj)
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case len(c.namespace) > 0 && len(subresources) == 0:
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uncastRet, err = c.client.Fake.
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Invokes(testing.NewCreateAction(c.resource, c.namespace, obj), obj)
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case len(c.namespace) > 0 && len(subresources) > 0:
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var accessor metav1.Object // avoid shadowing err
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accessor, err = meta.Accessor(obj)
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if err != nil {
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return nil, err
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}
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name := accessor.GetName()
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uncastRet, err = c.client.Fake.
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Invokes(testing.NewCreateSubresourceAction(c.resource, name, strings.Join(subresources, "/"), c.namespace, obj), obj)
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}
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if err != nil {
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return nil, err
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}
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if uncastRet == nil {
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return nil, err
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}
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ret := &unstructured.Unstructured{}
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if err := c.client.scheme.Convert(uncastRet, ret, nil); err != nil {
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return nil, err
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}
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return ret, err
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}
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func (c *dynamicResourceClient) Update(ctx context.Context, obj *unstructured.Unstructured, opts metav1.UpdateOptions, subresources ...string) (*unstructured.Unstructured, error) {
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var uncastRet runtime.Object
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var err error
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switch {
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case len(c.namespace) == 0 && len(subresources) == 0:
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uncastRet, err = c.client.Fake.
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Invokes(testing.NewRootUpdateAction(c.resource, obj), obj)
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case len(c.namespace) == 0 && len(subresources) > 0:
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uncastRet, err = c.client.Fake.
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Invokes(testing.NewRootUpdateSubresourceAction(c.resource, strings.Join(subresources, "/"), obj), obj)
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case len(c.namespace) > 0 && len(subresources) == 0:
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uncastRet, err = c.client.Fake.
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Invokes(testing.NewUpdateAction(c.resource, c.namespace, obj), obj)
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case len(c.namespace) > 0 && len(subresources) > 0:
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uncastRet, err = c.client.Fake.
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Invokes(testing.NewUpdateSubresourceAction(c.resource, strings.Join(subresources, "/"), c.namespace, obj), obj)
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}
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if err != nil {
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return nil, err
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}
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if uncastRet == nil {
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return nil, err
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}
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ret := &unstructured.Unstructured{}
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if err := c.client.scheme.Convert(uncastRet, ret, nil); err != nil {
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return nil, err
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}
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return ret, err
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}
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func (c *dynamicResourceClient) UpdateStatus(ctx context.Context, obj *unstructured.Unstructured, opts metav1.UpdateOptions) (*unstructured.Unstructured, error) {
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var uncastRet runtime.Object
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var err error
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switch {
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case len(c.namespace) == 0:
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uncastRet, err = c.client.Fake.
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Invokes(testing.NewRootUpdateSubresourceAction(c.resource, "status", obj), obj)
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case len(c.namespace) > 0:
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uncastRet, err = c.client.Fake.
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Invokes(testing.NewUpdateSubresourceAction(c.resource, "status", c.namespace, obj), obj)
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}
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if err != nil {
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return nil, err
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}
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if uncastRet == nil {
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return nil, err
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}
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ret := &unstructured.Unstructured{}
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if err := c.client.scheme.Convert(uncastRet, ret, nil); err != nil {
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return nil, err
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}
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return ret, err
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}
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func (c *dynamicResourceClient) Delete(ctx context.Context, name string, opts metav1.DeleteOptions, subresources ...string) error {
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var err error
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switch {
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case len(c.namespace) == 0 && len(subresources) == 0:
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_, err = c.client.Fake.
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Invokes(testing.NewRootDeleteAction(c.resource, name), &metav1.Status{Status: "dynamic delete fail"})
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case len(c.namespace) == 0 && len(subresources) > 0:
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_, err = c.client.Fake.
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Invokes(testing.NewRootDeleteSubresourceAction(c.resource, strings.Join(subresources, "/"), name), &metav1.Status{Status: "dynamic delete fail"})
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case len(c.namespace) > 0 && len(subresources) == 0:
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_, err = c.client.Fake.
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Invokes(testing.NewDeleteAction(c.resource, c.namespace, name), &metav1.Status{Status: "dynamic delete fail"})
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case len(c.namespace) > 0 && len(subresources) > 0:
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_, err = c.client.Fake.
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Invokes(testing.NewDeleteSubresourceAction(c.resource, strings.Join(subresources, "/"), c.namespace, name), &metav1.Status{Status: "dynamic delete fail"})
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}
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return err
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}
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func (c *dynamicResourceClient) DeleteCollection(ctx context.Context, opts metav1.DeleteOptions, listOptions metav1.ListOptions) error {
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var err error
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switch {
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case len(c.namespace) == 0:
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action := testing.NewRootDeleteCollectionAction(c.resource, listOptions)
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_, err = c.client.Fake.Invokes(action, &metav1.Status{Status: "dynamic deletecollection fail"})
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case len(c.namespace) > 0:
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action := testing.NewDeleteCollectionAction(c.resource, c.namespace, listOptions)
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_, err = c.client.Fake.Invokes(action, &metav1.Status{Status: "dynamic deletecollection fail"})
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}
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return err
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}
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func (c *dynamicResourceClient) Get(ctx context.Context, name string, opts metav1.GetOptions, subresources ...string) (*unstructured.Unstructured, error) {
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var uncastRet runtime.Object
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var err error
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switch {
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case len(c.namespace) == 0 && len(subresources) == 0:
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uncastRet, err = c.client.Fake.
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Invokes(testing.NewRootGetAction(c.resource, name), &metav1.Status{Status: "dynamic get fail"})
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case len(c.namespace) == 0 && len(subresources) > 0:
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uncastRet, err = c.client.Fake.
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Invokes(testing.NewRootGetSubresourceAction(c.resource, strings.Join(subresources, "/"), name), &metav1.Status{Status: "dynamic get fail"})
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case len(c.namespace) > 0 && len(subresources) == 0:
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uncastRet, err = c.client.Fake.
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Invokes(testing.NewGetAction(c.resource, c.namespace, name), &metav1.Status{Status: "dynamic get fail"})
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case len(c.namespace) > 0 && len(subresources) > 0:
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uncastRet, err = c.client.Fake.
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Invokes(testing.NewGetSubresourceAction(c.resource, c.namespace, strings.Join(subresources, "/"), name), &metav1.Status{Status: "dynamic get fail"})
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}
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if err != nil {
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return nil, err
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}
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if uncastRet == nil {
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return nil, err
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}
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ret := &unstructured.Unstructured{}
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if err := c.client.scheme.Convert(uncastRet, ret, nil); err != nil {
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return nil, err
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}
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return ret, err
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}
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func (c *dynamicResourceClient) List(ctx context.Context, opts metav1.ListOptions) (*unstructured.UnstructuredList, error) {
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if len(c.listKind) == 0 {
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panic(fmt.Sprintf("coding error: you must register resource to list kind for every resource you're going to LIST when creating the client. See NewSimpleDynamicClientWithCustomListKinds or register the list into the scheme: %v out of %v", c.resource, c.client.gvrToListKind))
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}
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listGVK := c.resource.GroupVersion().WithKind(c.listKind)
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listForFakeClientGVK := c.resource.GroupVersion().WithKind(c.listKind[:len(c.listKind)-4]) /*base library appends List*/
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var obj runtime.Object
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var err error
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switch {
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case len(c.namespace) == 0:
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obj, err = c.client.Fake.
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Invokes(testing.NewRootListAction(c.resource, listForFakeClientGVK, opts), &metav1.Status{Status: "dynamic list fail"})
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case len(c.namespace) > 0:
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obj, err = c.client.Fake.
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Invokes(testing.NewListAction(c.resource, listForFakeClientGVK, c.namespace, opts), &metav1.Status{Status: "dynamic list fail"})
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}
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if obj == nil {
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return nil, err
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}
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label, _, _ := testing.ExtractFromListOptions(opts)
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if label == nil {
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label = labels.Everything()
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}
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retUnstructured := &unstructured.Unstructured{}
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if err := c.client.scheme.Convert(obj, retUnstructured, nil); err != nil {
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return nil, err
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}
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entireList, err := retUnstructured.ToList()
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if err != nil {
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return nil, err
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}
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list := &unstructured.UnstructuredList{}
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list.SetRemainingItemCount(entireList.GetRemainingItemCount())
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list.SetResourceVersion(entireList.GetResourceVersion())
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list.SetContinue(entireList.GetContinue())
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list.GetObjectKind().SetGroupVersionKind(listGVK)
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for i := range entireList.Items {
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item := &entireList.Items[i]
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metadata, err := meta.Accessor(item)
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if err != nil {
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return nil, err
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}
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if label.Matches(labels.Set(metadata.GetLabels())) {
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list.Items = append(list.Items, *item)
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}
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}
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return list, nil
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}
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func (c *dynamicResourceClient) Watch(ctx context.Context, opts metav1.ListOptions) (watch.Interface, error) {
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switch {
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case len(c.namespace) == 0:
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return c.client.Fake.
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InvokesWatch(testing.NewRootWatchAction(c.resource, opts))
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case len(c.namespace) > 0:
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return c.client.Fake.
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InvokesWatch(testing.NewWatchAction(c.resource, c.namespace, opts))
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}
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panic("math broke")
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}
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// TODO: opts are currently ignored.
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func (c *dynamicResourceClient) Patch(ctx context.Context, name string, pt types.PatchType, data []byte, opts metav1.PatchOptions, subresources ...string) (*unstructured.Unstructured, error) {
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var uncastRet runtime.Object
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var err error
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switch {
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case len(c.namespace) == 0 && len(subresources) == 0:
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uncastRet, err = c.client.Fake.
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Invokes(testing.NewRootPatchAction(c.resource, name, pt, data), &metav1.Status{Status: "dynamic patch fail"})
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case len(c.namespace) == 0 && len(subresources) > 0:
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uncastRet, err = c.client.Fake.
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Invokes(testing.NewRootPatchSubresourceAction(c.resource, name, pt, data, subresources...), &metav1.Status{Status: "dynamic patch fail"})
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case len(c.namespace) > 0 && len(subresources) == 0:
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uncastRet, err = c.client.Fake.
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Invokes(testing.NewPatchAction(c.resource, c.namespace, name, pt, data), &metav1.Status{Status: "dynamic patch fail"})
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case len(c.namespace) > 0 && len(subresources) > 0:
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uncastRet, err = c.client.Fake.
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Invokes(testing.NewPatchSubresourceAction(c.resource, c.namespace, name, pt, data, subresources...), &metav1.Status{Status: "dynamic patch fail"})
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}
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if err != nil {
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return nil, err
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}
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if uncastRet == nil {
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return nil, err
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}
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ret := &unstructured.Unstructured{}
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if err := c.client.scheme.Convert(uncastRet, ret, nil); err != nil {
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return nil, err
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}
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return ret, err
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}
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// TODO: opts are currently ignored.
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func (c *dynamicResourceClient) Apply(ctx context.Context, name string, obj *unstructured.Unstructured, options metav1.ApplyOptions, subresources ...string) (*unstructured.Unstructured, error) {
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outBytes, err := runtime.Encode(unstructured.UnstructuredJSONScheme, obj)
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if err != nil {
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return nil, err
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}
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var uncastRet runtime.Object
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switch {
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case len(c.namespace) == 0 && len(subresources) == 0:
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uncastRet, err = c.client.Fake.
|
|
Invokes(testing.NewRootPatchAction(c.resource, name, types.ApplyPatchType, outBytes), &metav1.Status{Status: "dynamic patch fail"})
|
|
|
|
case len(c.namespace) == 0 && len(subresources) > 0:
|
|
uncastRet, err = c.client.Fake.
|
|
Invokes(testing.NewRootPatchSubresourceAction(c.resource, name, types.ApplyPatchType, outBytes, subresources...), &metav1.Status{Status: "dynamic patch fail"})
|
|
|
|
case len(c.namespace) > 0 && len(subresources) == 0:
|
|
uncastRet, err = c.client.Fake.
|
|
Invokes(testing.NewPatchAction(c.resource, c.namespace, name, types.ApplyPatchType, outBytes), &metav1.Status{Status: "dynamic patch fail"})
|
|
|
|
case len(c.namespace) > 0 && len(subresources) > 0:
|
|
uncastRet, err = c.client.Fake.
|
|
Invokes(testing.NewPatchSubresourceAction(c.resource, c.namespace, name, types.ApplyPatchType, outBytes, subresources...), &metav1.Status{Status: "dynamic patch fail"})
|
|
|
|
}
|
|
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if uncastRet == nil {
|
|
return nil, err
|
|
}
|
|
|
|
ret := &unstructured.Unstructured{}
|
|
if err := c.client.scheme.Convert(uncastRet, ret, nil); err != nil {
|
|
return nil, err
|
|
}
|
|
return ret, nil
|
|
}
|
|
|
|
func (c *dynamicResourceClient) ApplyStatus(ctx context.Context, name string, obj *unstructured.Unstructured, options metav1.ApplyOptions) (*unstructured.Unstructured, error) {
|
|
return c.Apply(ctx, name, obj, options, "status")
|
|
}
|
|
|
|
func convertObjectsToUnstructured(s *runtime.Scheme, objs []runtime.Object) ([]runtime.Object, error) {
|
|
ul := make([]runtime.Object, 0, len(objs))
|
|
|
|
for _, obj := range objs {
|
|
u, err := convertToUnstructured(s, obj)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
ul = append(ul, u)
|
|
}
|
|
return ul, nil
|
|
}
|
|
|
|
func convertToUnstructured(s *runtime.Scheme, obj runtime.Object) (runtime.Object, error) {
|
|
var (
|
|
err error
|
|
u unstructured.Unstructured
|
|
)
|
|
|
|
u.Object, err = runtime.DefaultUnstructuredConverter.ToUnstructured(obj)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed to convert to unstructured: %w", err)
|
|
}
|
|
|
|
gvk := u.GroupVersionKind()
|
|
if gvk.Group == "" || gvk.Kind == "" {
|
|
gvks, _, err := s.ObjectKinds(obj)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed to convert to unstructured - unable to get GVK %w", err)
|
|
}
|
|
apiv, k := gvks[0].ToAPIVersionAndKind()
|
|
u.SetAPIVersion(apiv)
|
|
u.SetKind(k)
|
|
}
|
|
return &u, nil
|
|
}
|