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queue_controller_action.go
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/
queue_controller_action.go
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/*
Copyright 2019 The Volcano 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 queue
import (
"fmt"
"reflect"
schedulingv1alpha2 "volcano.sh/volcano/pkg/apis/scheduling/v1alpha2"
"volcano.sh/volcano/pkg/controllers/queue/state"
"k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/tools/cache"
"k8s.io/klog"
)
func (c *Controller) syncQueue(queue *schedulingv1alpha2.Queue, updateStateFn state.UpdateQueueStatusFn) error {
klog.V(4).Infof("Begin to sync queue %s.", queue.Name)
podGroups := c.getPodGroups(queue.Name)
queueStatus := schedulingv1alpha2.QueueStatus{}
for _, pgKey := range podGroups {
// Ignore error here, tt can not occur.
ns, name, _ := cache.SplitMetaNamespaceKey(pgKey)
// TODO: check NotFound error and sync local cache.
pg, err := c.pgLister.PodGroups(ns).Get(name)
if err != nil {
return err
}
switch pg.Status.Phase {
case schedulingv1alpha2.PodGroupPending:
queueStatus.Pending++
case schedulingv1alpha2.PodGroupRunning:
queueStatus.Running++
case schedulingv1alpha2.PodGroupUnknown:
queueStatus.Unknown++
case schedulingv1alpha2.PodGroupInqueue:
queueStatus.Inqueue++
}
}
if updateStateFn != nil {
updateStateFn(&queueStatus, podGroups)
} else {
queueStatus.State = queue.Status.State
}
// ignore update when status does not change
if reflect.DeepEqual(queueStatus, queue.Status) {
return nil
}
newQueue := queue.DeepCopy()
newQueue.Status = queueStatus
if _, err := c.vcClient.SchedulingV1alpha2().Queues().UpdateStatus(newQueue); err != nil {
klog.Errorf("Failed to update status of Queue %s: %v.", newQueue.Name, err)
return err
}
return nil
}
func (c *Controller) openQueue(queue *schedulingv1alpha2.Queue, updateStateFn state.UpdateQueueStatusFn) error {
klog.V(4).Infof("Begin to open queue %s.", queue.Name)
newQueue := queue.DeepCopy()
newQueue.Spec.State = schedulingv1alpha2.QueueStateOpen
if queue.Spec.State != newQueue.Spec.State {
if _, err := c.vcClient.SchedulingV1alpha2().Queues().Update(newQueue); err != nil {
c.recorder.Event(newQueue, v1.EventTypeWarning, string(schedulingv1alpha2.OpenQueueAction),
fmt.Sprintf("Open queue failed for %v", err))
return err
}
c.recorder.Event(newQueue, v1.EventTypeNormal, string(schedulingv1alpha2.OpenQueueAction),
fmt.Sprintf("Open queue succeed"))
} else {
return nil
}
q, err := c.vcClient.SchedulingV1alpha2().Queues().Get(newQueue.Name, metav1.GetOptions{})
if err != nil {
return err
}
newQueue = q.DeepCopy()
if updateStateFn != nil {
updateStateFn(&newQueue.Status, nil)
} else {
return fmt.Errorf("internal error, update state function should be provided")
}
if queue.Status.State != newQueue.Status.State {
if _, err := c.vcClient.SchedulingV1alpha2().Queues().UpdateStatus(newQueue); err != nil {
c.recorder.Event(newQueue, v1.EventTypeWarning, string(schedulingv1alpha2.OpenQueueAction),
fmt.Sprintf("Update queue status from %s to %s failed for %v",
queue.Status.State, newQueue.Status.State, err))
return err
}
}
return nil
}
func (c *Controller) closeQueue(queue *schedulingv1alpha2.Queue, updateStateFn state.UpdateQueueStatusFn) error {
klog.V(4).Infof("Begin to close queue %s.", queue.Name)
newQueue := queue.DeepCopy()
newQueue.Spec.State = schedulingv1alpha2.QueueStateClosed
if queue.Spec.State != newQueue.Spec.State {
if _, err := c.vcClient.SchedulingV1alpha2().Queues().Update(newQueue); err != nil {
c.recorder.Event(newQueue, v1.EventTypeWarning, string(schedulingv1alpha2.CloseQueueAction),
fmt.Sprintf("Close queue failed for %v", err))
return err
}
c.recorder.Event(newQueue, v1.EventTypeNormal, string(schedulingv1alpha2.CloseQueueAction),
fmt.Sprintf("Close queue succeed"))
} else {
return nil
}
q, err := c.vcClient.SchedulingV1alpha2().Queues().Get(newQueue.Name, metav1.GetOptions{})
if err != nil {
return err
}
newQueue = q.DeepCopy()
podGroups := c.getPodGroups(newQueue.Name)
if updateStateFn != nil {
updateStateFn(&newQueue.Status, podGroups)
} else {
return fmt.Errorf("internal error, update state function should be provided")
}
if queue.Status.State != newQueue.Status.State {
if _, err := c.vcClient.SchedulingV1alpha2().Queues().UpdateStatus(newQueue); err != nil {
c.recorder.Event(newQueue, v1.EventTypeWarning, string(schedulingv1alpha2.CloseQueueAction),
fmt.Sprintf("Update queue status from %s to %s failed for %v",
queue.Status.State, newQueue.Status.State, err))
return err
}
}
return nil
}