mirror of https://github.com/k3s-io/k3s
add unit tests for attacher DisksAreAttached and BulkDisksAreAttached
Hantao (Will) Wang
parent
08ed1c24ce
commit
bd7d09e818
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@ -60,6 +60,7 @@ go_test(
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"//staging/src/k8s.io/apimachinery/pkg/util/sets:go_default_library",
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"//staging/src/k8s.io/client-go/kubernetes/fake:go_default_library",
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"//staging/src/k8s.io/client-go/util/testing:go_default_library",
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"//staging/src/k8s.io/cloud-provider:go_default_library",
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"//staging/src/k8s.io/cloud-provider/volume:go_default_library",
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"//staging/src/k8s.io/cloud-provider/volume/helpers:go_default_library",
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"//vendor/k8s.io/klog:go_default_library",
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@ -24,6 +24,7 @@ import (
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"k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/api/resource"
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"k8s.io/apimachinery/pkg/util/sets"
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cloudprovider "k8s.io/cloud-provider"
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cloudvolume "k8s.io/cloud-provider/volume"
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"k8s.io/kubernetes/pkg/volume"
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volumetest "k8s.io/kubernetes/pkg/volume/testing"
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@ -85,7 +86,7 @@ func TestAttachDetachRegional(t *testing.T) {
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// Successful Attach call
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testcase := testcase{
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name: "Attach_Regional_Positive",
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diskIsAttached: diskIsAttachedCall{diskName, nodeName, false, nil},
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diskIsAttached: diskIsAttachedCall{disksAttachedMap{nodeName: {diskName}}, nil},
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attach: attachCall{diskName, nodeName, readOnly, regional, nil},
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test: func(testcase *testcase) error {
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attacher := newAttacher(testcase)
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@ -99,9 +100,8 @@ func TestAttachDetachRegional(t *testing.T) {
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err := testcase.test(&testcase)
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if err != testcase.expectedReturn {
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t.Errorf("%s failed: expected err=%q, got %q", testcase.name, testcase.expectedReturn.Error(), err.Error())
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t.Errorf("%s failed: expected err=%v, got %v", testcase.name, testcase.expectedReturn, err)
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}
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t.Logf("Test %q succeeded", testcase.name)
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}
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func TestAttachDetach(t *testing.T) {
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@ -117,7 +117,7 @@ func TestAttachDetach(t *testing.T) {
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// Successful Attach call
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{
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name: "Attach_Positive",
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diskIsAttached: diskIsAttachedCall{diskName, nodeName, false, nil},
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diskIsAttached: diskIsAttachedCall{disksAttachedMap{nodeName: {}}, nil},
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attach: attachCall{diskName, nodeName, readOnly, regional, nil},
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test: func(testcase *testcase) error {
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attacher := newAttacher(testcase)
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@ -132,7 +132,7 @@ func TestAttachDetach(t *testing.T) {
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// Disk is already attached
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{
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name: "Attach_Positive_AlreadyAttached",
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diskIsAttached: diskIsAttachedCall{diskName, nodeName, true, nil},
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diskIsAttached: diskIsAttachedCall{disksAttachedMap{nodeName: {diskName}}, nil},
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test: func(testcase *testcase) error {
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attacher := newAttacher(testcase)
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devicePath, err := attacher.Attach(spec, nodeName)
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@ -146,7 +146,7 @@ func TestAttachDetach(t *testing.T) {
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// DiskIsAttached fails and Attach succeeds
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{
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name: "Attach_Positive_CheckFails",
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diskIsAttached: diskIsAttachedCall{diskName, nodeName, false, diskCheckError},
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diskIsAttached: diskIsAttachedCall{disksAttachedMap{nodeName: {}}, diskCheckError},
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attach: attachCall{diskName, nodeName, readOnly, regional, nil},
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test: func(testcase *testcase) error {
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attacher := newAttacher(testcase)
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@ -161,7 +161,7 @@ func TestAttachDetach(t *testing.T) {
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// Attach call fails
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{
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name: "Attach_Negative",
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diskIsAttached: diskIsAttachedCall{diskName, nodeName, false, diskCheckError},
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diskIsAttached: diskIsAttachedCall{disksAttachedMap{nodeName: {}}, diskCheckError},
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attach: attachCall{diskName, nodeName, readOnly, regional, attachError},
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test: func(testcase *testcase) error {
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attacher := newAttacher(testcase)
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@ -177,7 +177,7 @@ func TestAttachDetach(t *testing.T) {
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// Detach succeeds
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{
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name: "Detach_Positive",
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diskIsAttached: diskIsAttachedCall{diskName, nodeName, true, nil},
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diskIsAttached: diskIsAttachedCall{disksAttachedMap{nodeName: {diskName}}, nil},
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detach: detachCall{diskName, nodeName, nil},
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test: func(testcase *testcase) error {
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detacher := newDetacher(testcase)
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@ -188,7 +188,7 @@ func TestAttachDetach(t *testing.T) {
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// Disk is already detached
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{
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name: "Detach_Positive_AlreadyDetached",
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diskIsAttached: diskIsAttachedCall{diskName, nodeName, false, nil},
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diskIsAttached: diskIsAttachedCall{disksAttachedMap{nodeName: {}}, nil},
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test: func(testcase *testcase) error {
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detacher := newDetacher(testcase)
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return detacher.Detach(diskName, nodeName)
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@ -198,7 +198,7 @@ func TestAttachDetach(t *testing.T) {
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// Detach succeeds when DiskIsAttached fails
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{
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name: "Detach_Positive_CheckFails",
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diskIsAttached: diskIsAttachedCall{diskName, nodeName, false, diskCheckError},
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diskIsAttached: diskIsAttachedCall{disksAttachedMap{nodeName: {}}, diskCheckError},
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detach: detachCall{diskName, nodeName, nil},
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test: func(testcase *testcase) error {
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detacher := newDetacher(testcase)
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@ -209,7 +209,7 @@ func TestAttachDetach(t *testing.T) {
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// Detach fails
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{
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name: "Detach_Negative",
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diskIsAttached: diskIsAttachedCall{diskName, nodeName, false, diskCheckError},
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diskIsAttached: diskIsAttachedCall{disksAttachedMap{nodeName: {}}, diskCheckError},
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detach: detachCall{diskName, nodeName, detachError},
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test: func(testcase *testcase) error {
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detacher := newDetacher(testcase)
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@ -223,9 +223,177 @@ func TestAttachDetach(t *testing.T) {
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testcase.t = t
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err := testcase.test(&testcase)
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if err != testcase.expectedReturn {
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t.Errorf("%s failed: expected err=%q, got %q", testcase.name, testcase.expectedReturn.Error(), err.Error())
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t.Errorf("%s failed: expected err=%v, got %v", testcase.name, testcase.expectedReturn, err)
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}
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}
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}
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func TestVerifyVolumesAttached(t *testing.T) {
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readOnly := false
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nodeName1 := types.NodeName("instance1")
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nodeName2 := types.NodeName("instance2")
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diskAName := "diskA"
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diskBName := "diskB"
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diskCName := "diskC"
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diskASpec := createVolSpec(diskAName, readOnly)
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diskBSpec := createVolSpec(diskBName, readOnly)
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diskCSpec := createVolSpec(diskCName, readOnly)
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verifyDiskAttachedInResult := func(results map[*volume.Spec]bool, spec *volume.Spec, expected bool) error {
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found, ok := results[spec]
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if !ok {
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return fmt.Errorf("expected to find volume %s in verifcation result, but didn't", spec.Name())
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}
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if found != expected {
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return fmt.Errorf("expected to find volume %s to be have attached value %v but got %v", spec.Name(), expected, found)
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}
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return nil
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}
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tests := []testcase{
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// Successful VolumesAreAttached
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{
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name: "VolumesAreAttached_Positive",
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diskIsAttached: diskIsAttachedCall{disksAttachedMap{nodeName1: {diskAName, diskBName}}, nil},
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test: func(testcase *testcase) error {
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attacher := newAttacher(testcase)
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results, err := attacher.VolumesAreAttached([]*volume.Spec{diskASpec, diskBSpec}, nodeName1)
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if err != nil {
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return err
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}
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err = verifyDiskAttachedInResult(results, diskASpec, true)
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if err != nil {
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return err
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}
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return verifyDiskAttachedInResult(results, diskBSpec, true)
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},
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},
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// Successful VolumesAreAttached for detached disk
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{
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name: "VolumesAreAttached_Negative",
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diskIsAttached: diskIsAttachedCall{disksAttachedMap{nodeName1: {diskAName}}, nil},
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test: func(testcase *testcase) error {
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attacher := newAttacher(testcase)
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results, err := attacher.VolumesAreAttached([]*volume.Spec{diskASpec, diskBSpec}, nodeName1)
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if err != nil {
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return err
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}
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err = verifyDiskAttachedInResult(results, diskASpec, true)
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if err != nil {
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return err
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}
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return verifyDiskAttachedInResult(results, diskBSpec, false)
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},
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},
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// VolumesAreAttached with InstanceNotFound
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{
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name: "VolumesAreAttached_InstanceNotFound",
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diskIsAttached: diskIsAttachedCall{disksAttachedMap{}, nil},
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expectedReturn: cloudprovider.InstanceNotFound,
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test: func(testcase *testcase) error {
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attacher := newAttacher(testcase)
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_, err := attacher.VolumesAreAttached([]*volume.Spec{diskASpec}, nodeName1)
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if err != cloudprovider.InstanceNotFound {
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return fmt.Errorf("expected InstanceNotFound error, but got %v", err)
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}
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return err
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},
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},
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// Successful BulkDisksAreAttached
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{
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name: "BulkDisksAreAttached_Positive",
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diskIsAttached: diskIsAttachedCall{disksAttachedMap{nodeName1: {diskAName}, nodeName2: {diskBName, diskCName}}, nil},
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test: func(testcase *testcase) error {
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attacher := newAttacher(testcase)
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results, err := attacher.BulkVerifyVolumes(map[types.NodeName][]*volume.Spec{nodeName1: {diskASpec}, nodeName2: {diskBSpec, diskCSpec}})
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if err != nil {
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return err
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}
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disksAttachedNode1, nodeFound := results[nodeName1]
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if !nodeFound {
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return fmt.Errorf("expected to find node %s but didn't", nodeName1)
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}
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if err := verifyDiskAttachedInResult(disksAttachedNode1, diskASpec, true); err != nil {
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return err
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}
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disksAttachedNode2, nodeFound := results[nodeName2]
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if !nodeFound {
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return fmt.Errorf("expected to find node %s but didn't", nodeName2)
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}
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if err := verifyDiskAttachedInResult(disksAttachedNode2, diskBSpec, true); err != nil {
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return err
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}
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return verifyDiskAttachedInResult(disksAttachedNode2, diskCSpec, true)
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},
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},
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// Successful BulkDisksAreAttached for detached disk
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{
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name: "BulkDisksAreAttached_Negative",
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diskIsAttached: diskIsAttachedCall{disksAttachedMap{nodeName1: {}, nodeName2: {diskBName}}, nil},
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test: func(testcase *testcase) error {
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attacher := newAttacher(testcase)
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results, err := attacher.BulkVerifyVolumes(map[types.NodeName][]*volume.Spec{nodeName1: {diskASpec}, nodeName2: {diskBSpec, diskCSpec}})
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if err != nil {
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return err
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}
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disksAttachedNode1, nodeFound := results[nodeName1]
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if !nodeFound {
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return fmt.Errorf("expected to find node %s but didn't", nodeName1)
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}
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if err := verifyDiskAttachedInResult(disksAttachedNode1, diskASpec, false); err != nil {
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return err
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}
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disksAttachedNode2, nodeFound := results[nodeName2]
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if !nodeFound {
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return fmt.Errorf("expected to find node %s but didn't", nodeName2)
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}
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if err := verifyDiskAttachedInResult(disksAttachedNode2, diskBSpec, true); err != nil {
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return err
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}
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return verifyDiskAttachedInResult(disksAttachedNode2, diskCSpec, false)
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},
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},
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// Successful BulkDisksAreAttached with InstanceNotFound
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{
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name: "BulkDisksAreAttached_InstanceNotFound",
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diskIsAttached: diskIsAttachedCall{disksAttachedMap{nodeName1: {diskAName}}, nil},
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test: func(testcase *testcase) error {
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attacher := newAttacher(testcase)
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results, err := attacher.BulkVerifyVolumes(map[types.NodeName][]*volume.Spec{nodeName1: {diskASpec}, nodeName2: {diskBSpec, diskCSpec}})
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if err != nil {
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return err
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}
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disksAttachedNode1, nodeFound := results[nodeName1]
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if !nodeFound {
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return fmt.Errorf("expected to find node %s but didn't", nodeName1)
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}
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if err := verifyDiskAttachedInResult(disksAttachedNode1, diskASpec, true); err != nil {
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return err
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}
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disksAttachedNode2, nodeFound := results[nodeName2]
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if !nodeFound {
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return fmt.Errorf("expected to find node %s but didn't", nodeName2)
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}
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if err := verifyDiskAttachedInResult(disksAttachedNode2, diskBSpec, false); err != nil {
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return err
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}
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return verifyDiskAttachedInResult(disksAttachedNode2, diskCSpec, false)
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},
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},
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}
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for _, testcase := range tests {
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testcase.t = t
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err := testcase.test(&testcase)
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if err != testcase.expectedReturn {
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t.Errorf("%s failed: expected err=%v, got %v", testcase.name, testcase.expectedReturn, err)
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}
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t.Logf("Test %q succeeded", testcase.name)
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}
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}
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@ -300,113 +468,129 @@ type attachCall struct {
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nodeName types.NodeName
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readOnly bool
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regional bool
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ret error
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retErr error
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}
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type detachCall struct {
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devicePath string
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nodeName types.NodeName
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ret error
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retErr error
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}
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type diskIsAttachedCall struct {
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diskName string
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nodeName types.NodeName
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isAttached bool
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ret error
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attachedDisks disksAttachedMap
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retErr error
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}
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// disksAttachedMap specifies what disks in the test scenario are actually attached to each node
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type disksAttachedMap map[types.NodeName][]string
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func (testcase *testcase) AttachDisk(diskName string, nodeName types.NodeName, readOnly bool, regional bool) error {
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expected := &testcase.attach
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if expected.diskName == "" && expected.nodeName == "" {
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// testcase.attach looks uninitialized, test did not expect to call
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// AttachDisk
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testcase.t.Errorf("Unexpected AttachDisk call!")
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// testcase.attach looks uninitialized, test did not expect to call AttachDisk
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return errors.New("unexpected AttachDisk call")
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}
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if expected.diskName != diskName {
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testcase.t.Errorf("Unexpected AttachDisk call: expected diskName %s, got %s", expected.diskName, diskName)
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return errors.New("Unexpected AttachDisk call: wrong diskName")
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return fmt.Errorf("Unexpected AttachDisk call: expected diskName %s, got %s", expected.diskName, diskName)
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}
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if expected.nodeName != nodeName {
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testcase.t.Errorf("Unexpected AttachDisk call: expected nodeName %s, got %s", expected.nodeName, nodeName)
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return errors.New("Unexpected AttachDisk call: wrong nodeName")
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return fmt.Errorf("Unexpected AttachDisk call: expected nodeName %s, got %s", expected.nodeName, nodeName)
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}
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if expected.readOnly != readOnly {
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testcase.t.Errorf("Unexpected AttachDisk call: expected readOnly %v, got %v", expected.readOnly, readOnly)
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return errors.New("Unexpected AttachDisk call: wrong readOnly")
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return fmt.Errorf("Unexpected AttachDisk call: expected readOnly %v, got %v", expected.readOnly, readOnly)
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}
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if expected.regional != regional {
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testcase.t.Errorf("Unexpected AttachDisk call: expected regional %v, got %v", expected.regional, regional)
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return errors.New("Unexpected AttachDisk call: wrong regional")
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return fmt.Errorf("Unexpected AttachDisk call: expected regional %v, got %v", expected.regional, regional)
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}
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klog.V(4).Infof("AttachDisk call: %s, %s, %v, returning %v", diskName, nodeName, readOnly, expected.ret)
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klog.V(4).Infof("AttachDisk call: %s, %s, %v, returning %v", diskName, nodeName, readOnly, expected.retErr)
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return expected.ret
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return expected.retErr
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}
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func (testcase *testcase) DetachDisk(devicePath string, nodeName types.NodeName) error {
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expected := &testcase.detach
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if expected.devicePath == "" && expected.nodeName == "" {
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// testcase.detach looks uninitialized, test did not expect to call
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// DetachDisk
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testcase.t.Errorf("Unexpected DetachDisk call!")
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// testcase.detach looks uninitialized, test did not expect to call DetachDisk
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return errors.New("unexpected DetachDisk call")
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}
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if expected.devicePath != devicePath {
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testcase.t.Errorf("Unexpected DetachDisk call: expected devicePath %s, got %s", expected.devicePath, devicePath)
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return errors.New("Unexpected DetachDisk call: wrong diskName")
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return fmt.Errorf("Unexpected DetachDisk call: expected devicePath %s, got %s", expected.devicePath, devicePath)
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}
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if expected.nodeName != nodeName {
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testcase.t.Errorf("Unexpected DetachDisk call: expected nodeName %s, got %s", expected.nodeName, nodeName)
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return errors.New("Unexpected DetachDisk call: wrong nodeName")
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return fmt.Errorf("Unexpected DetachDisk call: expected nodeName %s, got %s", expected.nodeName, nodeName)
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}
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klog.V(4).Infof("DetachDisk call: %s, %s, returning %v", devicePath, nodeName, expected.ret)
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klog.V(4).Infof("DetachDisk call: %s, %s, returning %v", devicePath, nodeName, expected.retErr)
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return expected.ret
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return expected.retErr
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}
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func (testcase *testcase) DiskIsAttached(diskName string, nodeName types.NodeName) (bool, error) {
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expected := &testcase.diskIsAttached
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if expected.diskName == "" && expected.nodeName == "" {
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// testcase.diskIsAttached looks uninitialized, test did not expect to
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// call DiskIsAttached
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testcase.t.Errorf("Unexpected DiskIsAttached call!")
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if expected.attachedDisks == nil {
|
||||
// testcase.attachedDisks looks uninitialized, test did not expect to call DiskIsAttached
|
||||
return false, errors.New("unexpected DiskIsAttached call")
|
||||
}
|
||||
|
||||
if expected.diskName != diskName {
|
||||
testcase.t.Errorf("Unexpected DiskIsAttached call: expected diskName %s, got %s", expected.diskName, diskName)
|
||||
return false, errors.New("Unexpected DiskIsAttached call: wrong diskName")
|
||||
if expected.retErr != nil {
|
||||
return false, expected.retErr
|
||||
}
|
||||
|
||||
if expected.nodeName != nodeName {
|
||||
testcase.t.Errorf("Unexpected DiskIsAttached call: expected nodeName %s, got %s", expected.nodeName, nodeName)
|
||||
return false, errors.New("Unexpected DiskIsAttached call: wrong nodeName")
|
||||
disksForNode, nodeExists := expected.attachedDisks[nodeName]
|
||||
if !nodeExists {
|
||||
return false, cloudprovider.InstanceNotFound
|
||||
}
|
||||
|
||||
klog.V(4).Infof("DiskIsAttached call: %s, %s, returning %v, %v", diskName, nodeName, expected.isAttached, expected.ret)
|
||||
|
||||
return expected.isAttached, expected.ret
|
||||
found := false
|
||||
for _, diskAttachedName := range disksForNode {
|
||||
if diskAttachedName == diskName {
|
||||
found = true
|
||||
}
|
||||
}
|
||||
klog.V(4).Infof("DiskIsAttached call: %s, %s, returning %v", diskName, nodeName, found)
|
||||
return found, nil
|
||||
}
|
||||
|
||||
func (testcase *testcase) DisksAreAttached(diskNames []string, nodeName types.NodeName) (map[string]bool, error) {
|
||||
return nil, errors.New("Not implemented")
|
||||
verifiedDisks := make(map[string]bool)
|
||||
for _, name := range diskNames {
|
||||
found, err := testcase.DiskIsAttached(name, nodeName)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
verifiedDisks[name] = found
|
||||
}
|
||||
return verifiedDisks, nil
|
||||
}
|
||||
|
||||
func (testcase *testcase) BulkDisksAreAttached(diskByNodes map[types.NodeName][]string) (map[types.NodeName]map[string]bool, error) {
|
||||
return nil, errors.New("Not implemented")
|
||||
verifiedDisksByNodes := make(map[types.NodeName]map[string]bool)
|
||||
for nodeName, disksForNode := range diskByNodes {
|
||||
verifiedDisks, err := testcase.DisksAreAttached(disksForNode, nodeName)
|
||||
if err != nil {
|
||||
if err != cloudprovider.InstanceNotFound {
|
||||
return nil, err
|
||||
}
|
||||
verifiedDisks = make(map[string]bool)
|
||||
for _, diskName := range disksForNode {
|
||||
verifiedDisks[diskName] = false
|
||||
}
|
||||
}
|
||||
verifiedDisksByNodes[nodeName] = verifiedDisks
|
||||
}
|
||||
|
||||
return verifiedDisksByNodes, nil
|
||||
}
|
||||
|
||||
func (testcase *testcase) CreateDisk(name string, diskType string, zone string, sizeGb int64, tags map[string]string) error {
|
||||
|
|
|
|||
Loading…
Reference in New Issue