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110 lines
3.0 KiB
Go
110 lines
3.0 KiB
Go
/*
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Copyright 2019 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 csi
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import (
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"os"
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"testing"
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"k8s.io/apimachinery/pkg/api/resource"
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"k8s.io/kubernetes/pkg/volume"
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)
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func TestNodeExpand(t *testing.T) {
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tests := []struct {
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name string
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nodeExpansion bool
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nodeStageSet bool
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volumePhase volume.CSIVolumePhaseType
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success bool
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fsVolume bool
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}{
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{
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name: "when node expansion is not set",
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success: false,
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},
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{
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name: "when nodeExpansion=on, nodeStage=on, volumePhase=staged",
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nodeExpansion: true,
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nodeStageSet: true,
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volumePhase: volume.CSIVolumeStaged,
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success: true,
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fsVolume: true,
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},
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{
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name: "when nodeExpansion=on, nodeStage=off, volumePhase=staged",
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nodeExpansion: true,
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volumePhase: volume.CSIVolumeStaged,
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success: false,
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fsVolume: true,
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},
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{
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name: "when nodeExpansion=on, nodeStage=on, volumePhase=published",
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nodeExpansion: true,
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nodeStageSet: true,
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volumePhase: volume.CSIVolumePublished,
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success: true,
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fsVolume: true,
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},
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{
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name: "when nodeExpansion=on, nodeStage=off, volumePhase=published",
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nodeExpansion: true,
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volumePhase: volume.CSIVolumePublished,
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success: true,
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fsVolume: true,
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},
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{
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name: "when nodeExpansion=on, nodeStage=off, volumePhase=published, fsVolume=false",
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nodeExpansion: true,
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volumePhase: volume.CSIVolumePublished,
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success: true,
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fsVolume: false,
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},
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}
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for _, tc := range tests {
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t.Run(tc.name, func(t *testing.T) {
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plug, tmpDir := newTestPlugin(t, nil)
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defer os.RemoveAll(tmpDir)
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spec := volume.NewSpecFromPersistentVolume(makeTestPV("test-pv", 10, "expandable", "test-vol"), false)
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newSize, _ := resource.ParseQuantity("20Gi")
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resizeOptions := volume.NodeResizeOptions{
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VolumeSpec: spec,
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NewSize: newSize,
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DeviceMountPath: "/foo/bar",
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DevicePath: "/mnt/foobar",
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CSIVolumePhase: tc.volumePhase,
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}
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csiSource, _ := getCSISourceFromSpec(resizeOptions.VolumeSpec)
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csClient := setupClientWithExpansion(t, tc.nodeStageSet, tc.nodeExpansion)
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ok, err := plug.nodeExpandWithClient(resizeOptions, csiSource, csClient, tc.fsVolume)
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if ok != tc.success {
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if err != nil {
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t.Errorf("For %s : expected %v got %v with %v", tc.name, tc.success, ok, err)
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} else {
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t.Errorf("For %s : expected %v got %v", tc.name, tc.success, ok)
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}
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}
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})
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}
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}
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