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pod.go
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pod.go
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/*
* Tencent is pleased to support the open source community by making TKEStack
* available.
*
* Copyright (C) 2012-2019 Tencent. All Rights Reserved.
*
* 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
*
* https://opensource.org/licenses/Apache-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 OF ANY KIND, either express or implied. See the License for the
* specific language governing permissions and limitations under the License.
*/
package storage
import (
"context"
batchV1 "k8s.io/api/batch/v1"
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/apiserver/pkg/endpoints/request"
"k8s.io/apiserver/pkg/registry/rest"
platforminternalclient "tkestack.io/tke/api/client/clientset/internalversion/typed/platform/internalversion"
"tkestack.io/tke/pkg/platform/proxy"
)
// PodREST implements the REST endpoint for find pods by a deployment.
type PodREST struct {
rest.Storage
platformClient platforminternalclient.PlatformInterface
}
var _ rest.Getter = &PodREST{}
var _ rest.GroupVersionKindProvider = &PodREST{}
// GroupVersionKind is used to specify a particular GroupVersionKind to discovery.
func (r *PodREST) GroupVersionKind(containingGV schema.GroupVersion) schema.GroupVersionKind {
return corev1.SchemeGroupVersion.WithKind("PodList")
}
// New returns an empty object that can be used with Create and Update after
// request data has been put into it.
func (r *PodREST) New() runtime.Object {
return &corev1.PodList{}
}
// Get retrieves the object from the storage. It is required to support Patch.
func (r *PodREST) Get(ctx context.Context, name string, options *metav1.GetOptions) (runtime.Object, error) {
client, err := proxy.ClientSet(ctx, r.platformClient)
if err != nil {
return nil, err
}
namespaceName, ok := request.NamespaceFrom(ctx)
if !ok {
return nil, errors.NewBadRequest("a namespace must be specified")
}
job, err := client.BatchV1().Jobs(namespaceName).Get(ctx, name, *options)
if err != nil {
return nil, errors.NewNotFound(batchV1.Resource("jobs/pods"), name)
}
selector, err := metav1.LabelSelectorAsSelector(job.Spec.Selector)
if err != nil {
return nil, errors.NewInternalError(err)
}
// list all of the pod, by deployment labels
listOptions := metav1.ListOptions{LabelSelector: selector.String()}
podAllList, err := client.CoreV1().Pods(namespaceName).List(ctx, listOptions)
if err != nil {
return nil, errors.NewInternalError(err)
}
podList := &corev1.PodList{
Items: make([]corev1.Pod, 0),
}
for _, pod := range podAllList.Items {
for _, podReferences := range pod.ObjectMeta.OwnerReferences {
if (podReferences.Kind == "Job") && (podReferences.Name == job.Name) {
podList.Items = append(podList.Items, pod)
}
}
}
return podList, nil
}