79 lines
2.3 KiB
Go
79 lines
2.3 KiB
Go
/*
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Copyright 2017 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package cache
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import (
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v1 "k8s.io/api/core/v1"
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"volcano.sh/volcano/pkg/scheduler/api"
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)
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// Cache collects pods/nodes/queues information
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// and provides information snapshot
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type Cache interface {
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// Run start informer
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Run(stopCh <-chan struct{})
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// Snapshot deep copy overall cache information into snapshot
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Snapshot() *api.ClusterInfo
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// WaitForCacheSync waits for all cache synced
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WaitForCacheSync(stopCh <-chan struct{}) bool
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// Bind binds Task to the target host.
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// TODO(jinzhej): clean up expire Tasks.
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Bind(task *api.TaskInfo, hostname string) error
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// Evict evicts the task to release resources.
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Evict(task *api.TaskInfo, reason string) error
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// RecordJobStatusEvent records related events according to job status.
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// Deprecated: remove it after removed PDB support.
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RecordJobStatusEvent(job *api.JobInfo)
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// UpdateJobStatus puts job in backlog for a while.
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UpdateJobStatus(job *api.JobInfo, updatePG bool) (*api.JobInfo, error)
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// AllocateVolumes allocates volume on the host to the task
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AllocateVolumes(task *api.TaskInfo, hostname string) error
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// BindVolumes binds volumes to the task
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BindVolumes(task *api.TaskInfo) error
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}
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// VolumeBinder interface for allocate and bind volumes
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type VolumeBinder interface {
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AllocateVolumes(task *api.TaskInfo, hostname string) error
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BindVolumes(task *api.TaskInfo) error
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}
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//Binder interface for binding task and hostname
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type Binder interface {
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Bind(task *v1.Pod, hostname string) error
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}
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// Evictor interface for evict pods
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type Evictor interface {
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Evict(pod *v1.Pod) error
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}
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// StatusUpdater updates pod with given PodCondition
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type StatusUpdater interface {
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UpdatePodCondition(pod *v1.Pod, podCondition *v1.PodCondition) (*v1.Pod, error)
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UpdatePodGroup(pg *api.PodGroup) (*api.PodGroup, error)
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}
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