mirror of
https://github.com/k3s-io/kubernetes.git
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195 lines
6.1 KiB
Go
195 lines
6.1 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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"context"
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"os"
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"testing"
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"google.golang.org/grpc/codes"
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"google.golang.org/grpc/status"
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api "k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/api/resource"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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utilfeature "k8s.io/apiserver/pkg/util/feature"
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featuregatetesting "k8s.io/component-base/featuregate/testing"
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"k8s.io/kubernetes/pkg/features"
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"k8s.io/kubernetes/pkg/volume"
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volumetypes "k8s.io/kubernetes/pkg/volume/util/types"
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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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success bool
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fsVolume bool
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grpcError error
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hasVolumeInUseError bool
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deviceStagePath string
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enableCSINodeExpandSecret bool
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secret *api.Secret
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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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success: true,
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fsVolume: true,
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deviceStagePath: "/foo/bar",
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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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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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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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success: true,
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fsVolume: false,
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},
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{
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name: "when nodeExpansion=on, nodeStage=on, volumePhase=published has grpc volume-in-use error",
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nodeExpansion: true,
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nodeStageSet: true,
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success: false,
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fsVolume: true,
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grpcError: status.Error(codes.FailedPrecondition, "volume-in-use"),
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hasVolumeInUseError: true,
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},
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{
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name: "when nodeExpansion=on, nodeStage=on, volumePhase=published has other grpc error",
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nodeExpansion: true,
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nodeStageSet: true,
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success: false,
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fsVolume: true,
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grpcError: status.Error(codes.InvalidArgument, "invalid-argument"),
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hasVolumeInUseError: 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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success: true,
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fsVolume: true,
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deviceStagePath: "/foo/bar",
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enableCSINodeExpandSecret: true,
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secret: &api.Secret{
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ObjectMeta: metav1.ObjectMeta{
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Name: "expand-secret",
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Namespace: "default",
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},
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Data: map[string][]byte{
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"apiUsername": []byte("csiusername"),
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"apiPassword": []byte("csipassword"),
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},
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},
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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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defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.CSINodeExpandSecret, tc.enableCSINodeExpandSecret)()
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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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if tc.enableCSINodeExpandSecret {
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spec.PersistentVolume.Spec.CSI.NodeExpandSecretRef = &api.SecretReference{
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Name: tc.secret.Name,
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Namespace: tc.secret.Namespace,
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}
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}
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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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DeviceStagePath: "/foo/bar",
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DevicePath: "/mnt/foobar",
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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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fakeCSIClient, _ := csClient.(*fakeCsiDriverClient)
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fakeNodeClient := fakeCSIClient.nodeClient
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if tc.enableCSINodeExpandSecret {
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_, err := plug.host.GetKubeClient().CoreV1().Secrets(tc.secret.Namespace).Create(context.TODO(), tc.secret, metav1.CreateOptions{})
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if err != nil {
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t.Fatal(err)
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}
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}
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if tc.grpcError != nil {
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fakeNodeClient.SetNextError(tc.grpcError)
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}
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ok, err := plug.nodeExpandWithClient(resizeOptions, csiSource, csClient, tc.fsVolume)
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if tc.hasVolumeInUseError {
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if !volumetypes.IsFailedPreconditionError(err) {
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t.Errorf("expected failed precondition error got: %v", err)
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}
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}
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// verify device staging target path
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stagingTargetPath := fakeNodeClient.FakeNodeExpansionRequest.GetStagingTargetPath()
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if tc.deviceStagePath != "" && tc.deviceStagePath != stagingTargetPath {
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t.Errorf("For %s: expected staging path %s got %s", tc.name, tc.deviceStagePath, stagingTargetPath)
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}
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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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// verify volume capability received by node expansion request
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if tc.success {
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capability := fakeNodeClient.FakeNodeExpansionRequest.GetVolumeCapability()
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if tc.fsVolume {
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if capability.GetMount() == nil {
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t.Errorf("For %s: expected mount accesstype got: %v", tc.name, capability)
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}
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} else {
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if capability.GetBlock() == nil {
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t.Errorf("For %s: expected block accesstype got: %v", tc.name, capability)
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}
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}
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}
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})
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}
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}
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