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81 lines
2.6 KiB
Go
81 lines
2.6 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 volumebinding
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import (
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"context"
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v1 "k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/util/sets"
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)
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// FakeVolumeBinderConfig holds configurations for fake volume binder.
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type FakeVolumeBinderConfig struct {
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AllBound bool
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FindReasons ConflictReasons
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FindErr error
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AssumeErr error
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BindErr error
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}
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// NewFakeVolumeBinder sets up all the caches needed for the scheduler to make
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// topology-aware volume binding decisions.
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func NewFakeVolumeBinder(config *FakeVolumeBinderConfig) *FakeVolumeBinder {
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return &FakeVolumeBinder{
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config: config,
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}
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}
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// FakeVolumeBinder represents a fake volume binder for testing.
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type FakeVolumeBinder struct {
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config *FakeVolumeBinderConfig
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AssumeCalled bool
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BindCalled bool
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}
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var _ SchedulerVolumeBinder = &FakeVolumeBinder{}
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// GetPodVolumeClaims implements SchedulerVolumeBinder.GetPodVolumes.
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func (b *FakeVolumeBinder) GetPodVolumeClaims(pod *v1.Pod) (podVolumeClaims *PodVolumeClaims, err error) {
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return &PodVolumeClaims{}, nil
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}
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// GetEligibleNodes implements SchedulerVolumeBinder.GetEligibleNodes.
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func (b *FakeVolumeBinder) GetEligibleNodes(boundClaims []*v1.PersistentVolumeClaim) (eligibleNodes sets.String) {
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return nil
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}
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// FindPodVolumes implements SchedulerVolumeBinder.FindPodVolumes.
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func (b *FakeVolumeBinder) FindPodVolumes(pod *v1.Pod, _ *PodVolumeClaims, node *v1.Node) (podVolumes *PodVolumes, reasons ConflictReasons, err error) {
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return nil, b.config.FindReasons, b.config.FindErr
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}
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// AssumePodVolumes implements SchedulerVolumeBinder.AssumePodVolumes.
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func (b *FakeVolumeBinder) AssumePodVolumes(assumedPod *v1.Pod, nodeName string, podVolumes *PodVolumes) (bool, error) {
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b.AssumeCalled = true
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return b.config.AllBound, b.config.AssumeErr
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}
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// RevertAssumedPodVolumes implements SchedulerVolumeBinder.RevertAssumedPodVolumes
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func (b *FakeVolumeBinder) RevertAssumedPodVolumes(_ *PodVolumes) {}
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// BindPodVolumes implements SchedulerVolumeBinder.BindPodVolumes.
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func (b *FakeVolumeBinder) BindPodVolumes(ctx context.Context, assumedPod *v1.Pod, podVolumes *PodVolumes) error {
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b.BindCalled = true
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return b.config.BindErr
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}
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