1/* 2Copyright 2017 The Kubernetes Authors. 3 4Licensed under the Apache License, Version 2.0 (the "License"); 5you may not use this file except in compliance with the License. 6You may obtain a copy of the License at 7 8 http://www.apache.org/licenses/LICENSE-2.0 9 10Unless required by applicable law or agreed to in writing, software 11distributed under the License is distributed on an "AS IS" BASIS, 12WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13See the License for the specific language governing permissions and 14limitations under the License. 15*/ 16 17package scheduling 18 19import v1 "k8s.io/api/core/v1" 20 21// FakeVolumeBinderConfig holds configurations for fake volume binder. 22type FakeVolumeBinderConfig struct { 23 AllBound bool 24 FindReasons ConflictReasons 25 FindErr error 26 AssumeErr error 27 BindErr error 28} 29 30// NewFakeVolumeBinder sets up all the caches needed for the scheduler to make 31// topology-aware volume binding decisions. 32func NewFakeVolumeBinder(config *FakeVolumeBinderConfig) *FakeVolumeBinder { 33 return &FakeVolumeBinder{ 34 config: config, 35 } 36} 37 38// FakeVolumeBinder represents a fake volume binder for testing. 39type FakeVolumeBinder struct { 40 config *FakeVolumeBinderConfig 41 AssumeCalled bool 42 BindCalled bool 43} 44 45// GetPodVolumes implements SchedulerVolumeBinder.GetPodVolumes. 46func (b *FakeVolumeBinder) GetPodVolumes(pod *v1.Pod) (boundClaims, unboundClaimsDelayBinding, unboundClaimsImmediate []*v1.PersistentVolumeClaim, err error) { 47 return nil, nil, nil, nil 48} 49 50// FindPodVolumes implements SchedulerVolumeBinder.FindPodVolumes. 51func (b *FakeVolumeBinder) FindPodVolumes(pod *v1.Pod, _, _ []*v1.PersistentVolumeClaim, node *v1.Node) (podVolumes *PodVolumes, reasons ConflictReasons, err error) { 52 return nil, b.config.FindReasons, b.config.FindErr 53} 54 55// AssumePodVolumes implements SchedulerVolumeBinder.AssumePodVolumes. 56func (b *FakeVolumeBinder) AssumePodVolumes(assumedPod *v1.Pod, nodeName string, podVolumes *PodVolumes) (bool, error) { 57 b.AssumeCalled = true 58 return b.config.AllBound, b.config.AssumeErr 59} 60 61// RevertAssumedPodVolumes implements SchedulerVolumeBinder.RevertAssumedPodVolumes 62func (b *FakeVolumeBinder) RevertAssumedPodVolumes(_ *PodVolumes) {} 63 64// BindPodVolumes implements SchedulerVolumeBinder.BindPodVolumes. 65func (b *FakeVolumeBinder) BindPodVolumes(assumedPod *v1.Pod, podVolumes *PodVolumes) error { 66 b.BindCalled = true 67 return b.config.BindErr 68} 69