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fake_image_service.go
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fake_image_service.go
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/*
Copyright 2016 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package testing
import (
"fmt"
"sync"
runtimeApi "k8s.io/kubernetes/pkg/kubelet/api/v1alpha1/runtime"
"k8s.io/kubernetes/pkg/kubelet/util/sliceutils"
)
var (
fakeImageSize uint64 = 1
)
type FakeImageService struct {
sync.Mutex
Called []string
Images map[string]*runtimeApi.Image
}
func (r *FakeImageService) SetFakeImages(images []string) {
r.Lock()
defer r.Unlock()
r.Images = make(map[string]*runtimeApi.Image)
for _, image := range images {
r.Images[image] = makeFakeImage(image)
}
}
func NewFakeImageService() *FakeImageService {
return &FakeImageService{
Called: make([]string, 0),
Images: make(map[string]*runtimeApi.Image),
}
}
func makeFakeImage(image string) *runtimeApi.Image {
return &runtimeApi.Image{
Id: &image,
Size_: &fakeImageSize,
RepoTags: []string{image},
}
}
func (r *FakeImageService) ListImages(filter *runtimeApi.ImageFilter) ([]*runtimeApi.Image, error) {
r.Lock()
defer r.Unlock()
r.Called = append(r.Called, "ListImages")
images := make([]*runtimeApi.Image, 0)
for _, img := range r.Images {
if filter != nil && filter.Image != nil {
if !sliceutils.StringInSlice(filter.Image.GetImage(), img.RepoTags) {
continue
}
}
images = append(images, img)
}
return images, nil
}
func (r *FakeImageService) ImageStatus(image *runtimeApi.ImageSpec) (*runtimeApi.Image, error) {
r.Lock()
defer r.Unlock()
r.Called = append(r.Called, "ImageStatus")
if img, ok := r.Images[image.GetImage()]; ok {
return img, nil
}
return nil, fmt.Errorf("image %q not found", image.GetImage())
}
func (r *FakeImageService) PullImage(image *runtimeApi.ImageSpec, auth *runtimeApi.AuthConfig) error {
r.Lock()
defer r.Unlock()
r.Called = append(r.Called, "PullImage")
// ImageID should be randomized for real container runtime, but here just use
// image's name for easily making fake images.
imageID := image.GetImage()
if _, ok := r.Images[imageID]; !ok {
r.Images[imageID] = makeFakeImage(image.GetImage())
}
return nil
}
func (r *FakeImageService) RemoveImage(image *runtimeApi.ImageSpec) error {
r.Lock()
defer r.Unlock()
r.Called = append(r.Called, "RemoveImage")
// Remove the image
delete(r.Images, image.GetImage())
return nil
}