153 lines
7.3 KiB
Go
153 lines
7.3 KiB
Go
/*
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Copyright 2017 the Velero contributors.
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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 backup
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import (
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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corev1 "k8s.io/api/core/v1"
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corev1api "k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
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"k8s.io/apimachinery/pkg/runtime"
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v1 "github.com/vmware-tanzu/velero/pkg/apis/velero/v1"
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"github.com/vmware-tanzu/velero/pkg/builder"
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"github.com/vmware-tanzu/velero/pkg/kuberesource"
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"github.com/vmware-tanzu/velero/pkg/plugin/velero"
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velerotest "github.com/vmware-tanzu/velero/pkg/test"
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)
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func TestBackupPVAction(t *testing.T) {
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pvc := &unstructured.Unstructured{
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Object: map[string]interface{}{
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"spec": map[string]interface{}{},
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"status": map[string]interface{}{},
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},
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}
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backup := &v1.Backup{}
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a := NewPVCAction(velerotest.NewLogger())
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// no spec.volumeName should result in no error
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// and no additional items
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_, additional, err := a.Execute(pvc, backup)
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assert.NoError(t, err)
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assert.Len(t, additional, 0)
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// empty spec.volumeName should result in no error
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// and no additional items
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pvc.Object["spec"].(map[string]interface{})["volumeName"] = ""
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_, additional, err = a.Execute(pvc, backup)
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assert.NoError(t, err)
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assert.Len(t, additional, 0)
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// Action should clean the spec.Selector when the StorageClassName is not set.
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input := builder.ForPersistentVolumeClaim("abc", "abc").VolumeName("pv").Selector(&metav1.LabelSelector{MatchLabels: map[string]string{"abc": "abc"}}).Phase(corev1.ClaimBound).Result()
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inputUnstructured, err := runtime.DefaultUnstructuredConverter.ToUnstructured(input)
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require.NoError(t, err)
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item, additional, err := a.Execute(&unstructured.Unstructured{Object: inputUnstructured}, backup)
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require.NoError(t, err)
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require.Len(t, additional, 1)
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modifiedPVC := new(corev1.PersistentVolumeClaim)
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require.NoError(t, runtime.DefaultUnstructuredConverter.FromUnstructured(item.UnstructuredContent(), modifiedPVC))
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require.Nil(t, modifiedPVC.Spec.Selector)
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// Action should clean the spec.Selector when the StorageClassName is set to specific StorageClass
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input2 := builder.ForPersistentVolumeClaim("abc", "abc").VolumeName("pv").StorageClass("sc1").Selector(&metav1.LabelSelector{MatchLabels: map[string]string{"abc": "abc"}}).Phase(corev1.ClaimBound).Result()
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inputUnstructured2, err2 := runtime.DefaultUnstructuredConverter.ToUnstructured(input2)
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require.NoError(t, err2)
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item2, additional2, err2 := a.Execute(&unstructured.Unstructured{Object: inputUnstructured2}, backup)
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require.NoError(t, err2)
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require.Len(t, additional2, 1)
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modifiedPVC2 := new(corev1.PersistentVolumeClaim)
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require.NoError(t, runtime.DefaultUnstructuredConverter.FromUnstructured(item2.UnstructuredContent(), modifiedPVC2))
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require.Nil(t, modifiedPVC2.Spec.Selector)
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// Action should keep the spec.Selector when the StorageClassName is set to ""
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input3 := builder.ForPersistentVolumeClaim("abc", "abc").StorageClass("").Selector(&metav1.LabelSelector{MatchLabels: map[string]string{"abc": "abc"}}).VolumeName("pv").Phase(corev1.ClaimBound).Result()
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inputUnstructured3, err3 := runtime.DefaultUnstructuredConverter.ToUnstructured(input3)
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require.NoError(t, err3)
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item3, additional3, err3 := a.Execute(&unstructured.Unstructured{Object: inputUnstructured3}, backup)
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require.NoError(t, err3)
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require.Len(t, additional3, 1)
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modifiedPVC3 := new(corev1.PersistentVolumeClaim)
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require.NoError(t, runtime.DefaultUnstructuredConverter.FromUnstructured(item3.UnstructuredContent(), modifiedPVC3))
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require.Equal(t, input3.Spec.Selector, modifiedPVC3.Spec.Selector)
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// Action should delete label started with"velero.io/" from the spec.Selector when the StorageClassName is set to ""
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input4 := builder.ForPersistentVolumeClaim("abc", "abc").StorageClass("").Selector(&metav1.LabelSelector{MatchLabels: map[string]string{"velero.io/abc": "abc", "abc": "abc"}}).VolumeName("pv").Phase(corev1.ClaimBound).Result()
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inputUnstructured4, err4 := runtime.DefaultUnstructuredConverter.ToUnstructured(input4)
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require.NoError(t, err4)
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item4, additional4, err4 := a.Execute(&unstructured.Unstructured{Object: inputUnstructured4}, backup)
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require.NoError(t, err4)
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require.Len(t, additional4, 1)
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modifiedPVC4 := new(corev1.PersistentVolumeClaim)
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require.NoError(t, runtime.DefaultUnstructuredConverter.FromUnstructured(item4.UnstructuredContent(), modifiedPVC4))
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require.Equal(t, &metav1.LabelSelector{MatchLabels: map[string]string{"abc": "abc"}}, modifiedPVC4.Spec.Selector)
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// Action should clean the spec.Selector when the StorageClassName has value
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input5 := builder.ForPersistentVolumeClaim("abc", "abc").StorageClass("sc1").Selector(&metav1.LabelSelector{MatchLabels: map[string]string{"velero.io/abc": "abc", "abc": "abc"}}).VolumeName("pv").Phase(corev1.ClaimBound).Result()
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inputUnstructured5, err5 := runtime.DefaultUnstructuredConverter.ToUnstructured(input5)
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require.NoError(t, err5)
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item5, additional5, err5 := a.Execute(&unstructured.Unstructured{Object: inputUnstructured5}, backup)
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require.NoError(t, err5)
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require.Len(t, additional5, 1)
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modifiedPVC5 := new(corev1.PersistentVolumeClaim)
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require.NoError(t, runtime.DefaultUnstructuredConverter.FromUnstructured(item5.UnstructuredContent(), modifiedPVC5))
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require.Nil(t, modifiedPVC5.Spec.Selector)
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// non-empty spec.volumeName when status.phase is empty
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// should result in no error and no additional items
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pvc.Object["spec"].(map[string]interface{})["volumeName"] = "myVolume"
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_, additional, err = a.Execute(pvc, backup)
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require.NoError(t, err)
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require.Len(t, additional, 0)
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// non-empty spec.volumeName when status.phase is 'Pending'
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// should result in no error and no additional items
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pvc.Object["status"].(map[string]interface{})["phase"] = corev1api.ClaimPending
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_, additional, err = a.Execute(pvc, backup)
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require.NoError(t, err)
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require.Len(t, additional, 0)
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// non-empty spec.volumeName when status.phase is 'Lost'
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// should result in no error and no additional items
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pvc.Object["status"].(map[string]interface{})["phase"] = corev1api.ClaimLost
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_, additional, err = a.Execute(pvc, backup)
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require.NoError(t, err)
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require.Len(t, additional, 0)
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// non-empty spec.volumeName when status.phase is 'Bound'
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// should result in no error and one additional item for the PV
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pvc.Object["status"].(map[string]interface{})["phase"] = corev1api.ClaimBound
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_, additional, err = a.Execute(pvc, backup)
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require.NoError(t, err)
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require.Len(t, additional, 1)
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assert.Equal(t, velero.ResourceIdentifier{GroupResource: kuberesource.PersistentVolumes, Name: "myVolume"}, additional[0])
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// empty spec.volumeName when status.phase is 'Bound' should
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// result in no error and no additional items
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pvc.Object["spec"].(map[string]interface{})["volumeName"] = ""
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_, additional, err = a.Execute(pvc, backup)
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assert.NoError(t, err)
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assert.Len(t, additional, 0)
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}
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