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cronjob.go
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cronjob.go
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/*
Copyright 2021 The DnsJia Authors.
WebSite: https://github.com/dnsjia/luban
Email: OpenSource@dnsjia.com
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"
"fmt"
"github.com/foce123/kubespace/common"
"github.com/foce123/kubespace/models/k8s"
k8scommon "github.com/foce123/kubespace/pkg/k8s/common"
"github.com/foce123/kubespace/pkg/k8s/dataselect"
"k8s.io/api/batch/v1beta1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
client "k8s.io/client-go/kubernetes"
)
// CronJobList contains a list of CronJobs in the cluster.
type CronJobList struct {
ListMeta k8s.ListMeta `json:"listMeta"`
Items []CronJob `json:"items"`
// Basic information about resources status on the list.
Status k8scommon.ResourceStatus `json:"status"`
}
// CronJob is a presentation layer view of Kubernetes Cron Job resource.
type CronJob struct {
ObjectMeta k8s.ObjectMeta `json:"objectMeta"`
TypeMeta k8s.TypeMeta `json:"typeMeta"`
Schedule string `json:"schedule"`
Suspend *bool `json:"suspend"`
Active int `json:"active"`
LastSchedule *metav1.Time `json:"lastSchedule"`
// ContainerImages holds a list of the CronJob images.
ContainerImages []string `json:"containerImages"`
}
// GetCronJobList returns a list of all CronJobs in the cluster.
func GetCronJobList(client client.Interface, nsQuery *k8scommon.NamespaceQuery, dsQuery *dataselect.DataSelectQuery) (*CronJobList, error) {
common.LOG.Info("Getting list of all cron jobs in the cluster")
channels := &k8scommon.ResourceChannels{
CronJobList: k8scommon.GetCronJobListChannel(client, nsQuery, 1),
}
return GetCronJobListFromChannels(channels, dsQuery)
}
// GetCronJobListFromChannels returns a list of all CronJobs in the cluster reading required resource
// list once from the channels.
func GetCronJobListFromChannels(channels *k8scommon.ResourceChannels, dsQuery *dataselect.DataSelectQuery) (*CronJobList, error) {
cronJobs := <-channels.CronJobList.List
err := <-channels.CronJobList.Error
if err != nil {
return nil, err
}
cronJobList := toCronJobList(cronJobs.Items, dsQuery)
cronJobList.Status = getStatus(cronJobs)
return cronJobList, nil
}
func toCronJobList(cronJobs []v1beta1.CronJob, dsQuery *dataselect.DataSelectQuery) *CronJobList {
list := &CronJobList{
Items: make([]CronJob, 0),
ListMeta: k8s.ListMeta{TotalItems: len(cronJobs)},
}
cronJobCells, filteredTotal := dataselect.GenericDataSelectWithFilter(ToCells(cronJobs), dsQuery)
cronJobs = FromCells(cronJobCells)
list.ListMeta = k8s.ListMeta{TotalItems: filteredTotal}
for _, cronJob := range cronJobs {
list.Items = append(list.Items, toCronJob(&cronJob))
}
return list
}
func toCronJob(cj *v1beta1.CronJob) CronJob {
return CronJob{
ObjectMeta: k8s.NewObjectMeta(cj.ObjectMeta),
TypeMeta: k8s.NewTypeMeta(k8s.ResourceKindCronJob),
Schedule: cj.Spec.Schedule,
Suspend: cj.Spec.Suspend,
Active: len(cj.Status.Active),
LastSchedule: cj.Status.LastScheduleTime,
ContainerImages: getContainerImages(cj),
}
}
func DeleteCronJob(client *client.Clientset, namespace, name string) (err error) {
// for k8s version < 1.21.0, use batch/v1beta1
// if you use BatchV1 Will report an error: the server could not find the requested resource
// BatchV1beta1
return client.BatchV1beta1().CronJobs(namespace).Delete(context.TODO(), name, metav1.DeleteOptions{})
}
func DeleteCollectionCronJob(client *client.Clientset, jobList []k8s.JobData) (err error) {
common.LOG.Info("批量删除cronjob开始")
for _, v := range jobList {
common.LOG.Info(fmt.Sprintf("delete cronjob:%v, ns: %v", v.Name, v.Namespace))
err := client.BatchV1beta1().CronJobs(v.Namespace).Delete(
context.TODO(),
v.Name,
metav1.DeleteOptions{},
)
if err != nil {
common.LOG.Error(err.Error())
return err
}
}
common.LOG.Info("删除cronjob已完成")
return nil
}