kubernetes injection 源码
kubernetes injection 代码
文件路径:/pkg/controller/cronjob/injection.go
/*
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 cronjob
import (
"context"
"sync"
batchv1 "k8s.io/api/batch/v1"
"k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/apimachinery/pkg/types"
clientset "k8s.io/client-go/kubernetes"
"k8s.io/client-go/tools/record"
)
// cjControlInterface is an interface that knows how to update CronJob status
// created as an interface to allow testing.
type cjControlInterface interface {
UpdateStatus(ctx context.Context, cj *batchv1.CronJob) (*batchv1.CronJob, error)
// GetCronJob retrieves a CronJob.
GetCronJob(ctx context.Context, namespace, name string) (*batchv1.CronJob, error)
}
// realCJControl is the default implementation of cjControlInterface.
type realCJControl struct {
KubeClient clientset.Interface
}
func (c *realCJControl) GetCronJob(ctx context.Context, namespace, name string) (*batchv1.CronJob, error) {
return c.KubeClient.BatchV1().CronJobs(namespace).Get(ctx, name, metav1.GetOptions{})
}
var _ cjControlInterface = &realCJControl{}
func (c *realCJControl) UpdateStatus(ctx context.Context, cj *batchv1.CronJob) (*batchv1.CronJob, error) {
return c.KubeClient.BatchV1().CronJobs(cj.Namespace).UpdateStatus(ctx, cj, metav1.UpdateOptions{})
}
// fakeCJControl is the default implementation of cjControlInterface.
type fakeCJControl struct {
CronJob *batchv1.CronJob
Updates []batchv1.CronJob
}
func (c *fakeCJControl) GetCronJob(ctx context.Context, namespace, name string) (*batchv1.CronJob, error) {
if name == c.CronJob.Name && namespace == c.CronJob.Namespace {
return c.CronJob, nil
}
return nil, errors.NewNotFound(schema.GroupResource{
Group: "v1beta1",
Resource: "cronjobs",
}, name)
}
var _ cjControlInterface = &fakeCJControl{}
func (c *fakeCJControl) UpdateStatus(ctx context.Context, cj *batchv1.CronJob) (*batchv1.CronJob, error) {
c.Updates = append(c.Updates, *cj)
return cj, nil
}
// ------------------------------------------------------------------ //
// jobControlInterface is an interface that knows how to add or delete jobs
// created as an interface to allow testing.
type jobControlInterface interface {
// GetJob retrieves a Job.
GetJob(namespace, name string) (*batchv1.Job, error)
// CreateJob creates new Jobs according to the spec.
CreateJob(namespace string, job *batchv1.Job) (*batchv1.Job, error)
// UpdateJob updates a Job.
UpdateJob(namespace string, job *batchv1.Job) (*batchv1.Job, error)
// PatchJob patches a Job.
PatchJob(namespace string, name string, pt types.PatchType, data []byte, subresources ...string) (*batchv1.Job, error)
// DeleteJob deletes the Job identified by name.
// TODO: delete by UID?
DeleteJob(namespace string, name string) error
}
// realJobControl is the default implementation of jobControlInterface.
type realJobControl struct {
KubeClient clientset.Interface
Recorder record.EventRecorder
}
var _ jobControlInterface = &realJobControl{}
func (r realJobControl) GetJob(namespace, name string) (*batchv1.Job, error) {
return r.KubeClient.BatchV1().Jobs(namespace).Get(context.TODO(), name, metav1.GetOptions{})
}
func (r realJobControl) UpdateJob(namespace string, job *batchv1.Job) (*batchv1.Job, error) {
return r.KubeClient.BatchV1().Jobs(namespace).Update(context.TODO(), job, metav1.UpdateOptions{})
}
func (r realJobControl) PatchJob(namespace string, name string, pt types.PatchType, data []byte, subresources ...string) (*batchv1.Job, error) {
return r.KubeClient.BatchV1().Jobs(namespace).Patch(context.TODO(), name, pt, data, metav1.PatchOptions{}, subresources...)
}
func (r realJobControl) CreateJob(namespace string, job *batchv1.Job) (*batchv1.Job, error) {
return r.KubeClient.BatchV1().Jobs(namespace).Create(context.TODO(), job, metav1.CreateOptions{})
}
func (r realJobControl) DeleteJob(namespace string, name string) error {
background := metav1.DeletePropagationBackground
return r.KubeClient.BatchV1().Jobs(namespace).Delete(context.TODO(), name, metav1.DeleteOptions{PropagationPolicy: &background})
}
type fakeJobControl struct {
sync.Mutex
Job *batchv1.Job
Jobs []batchv1.Job
DeleteJobName []string
Err error
CreateErr error
UpdateJobName []string
PatchJobName []string
Patches [][]byte
}
var _ jobControlInterface = &fakeJobControl{}
func (f *fakeJobControl) CreateJob(namespace string, job *batchv1.Job) (*batchv1.Job, error) {
f.Lock()
defer f.Unlock()
if f.CreateErr != nil {
return nil, f.CreateErr
}
f.Jobs = append(f.Jobs, *job)
job.UID = "test-uid"
return job, nil
}
func (f *fakeJobControl) GetJob(namespace, name string) (*batchv1.Job, error) {
f.Lock()
defer f.Unlock()
if f.Err != nil {
return nil, f.Err
}
return f.Job, nil
}
func (f *fakeJobControl) UpdateJob(namespace string, job *batchv1.Job) (*batchv1.Job, error) {
f.Lock()
defer f.Unlock()
if f.Err != nil {
return nil, f.Err
}
f.UpdateJobName = append(f.UpdateJobName, job.Name)
return job, nil
}
func (f *fakeJobControl) PatchJob(namespace string, name string, pt types.PatchType, data []byte, subresources ...string) (*batchv1.Job, error) {
f.Lock()
defer f.Unlock()
if f.Err != nil {
return nil, f.Err
}
f.PatchJobName = append(f.PatchJobName, name)
f.Patches = append(f.Patches, data)
// We don't have anything to return. Just return something non-nil.
return &batchv1.Job{}, nil
}
func (f *fakeJobControl) DeleteJob(namespace string, name string) error {
f.Lock()
defer f.Unlock()
if f.Err != nil {
return f.Err
}
f.DeleteJobName = append(f.DeleteJobName, name)
return nil
}
func (f *fakeJobControl) Clear() {
f.Lock()
defer f.Unlock()
f.DeleteJobName = []string{}
f.Jobs = []batchv1.Job{}
f.Err = nil
}
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