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check pod name with that in pod eviction object

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This commit is contained in:
Di Xu 2019-06-30 20:37:45 +08:00
parent 5ed1b8fa29
commit b28f62c8ad
2 changed files with 61 additions and 70 deletions
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13
pkg/registry/core/pod/storage/eviction.go
View File

@ -67,7 +67,7 @@ type EvictionREST struct {
podDisruptionBudgetClient policyclient.PodDisruptionBudgetsGetter
}
var _ = rest.Creater(&EvictionREST{})
var _ = rest.NamedCreater(&EvictionREST{})
var _ = rest.GroupVersionKindProvider(&EvictionREST{})
// GroupVersionKind specifies a particular GroupVersionKind to discovery
@ -101,8 +101,15 @@ func propagateDryRun(eviction *policy.Eviction, options *metav1.CreateOptions) (
}
// Create attempts to create a new eviction. That is, it tries to evict a pod.
func (r *EvictionREST) Create(ctx context.Context, obj runtime.Object, createValidation rest.ValidateObjectFunc, options *metav1.CreateOptions) (runtime.Object, error) {
eviction := obj.(*policy.Eviction)
func (r *EvictionREST) Create(ctx context.Context, name string, obj runtime.Object, createValidation rest.ValidateObjectFunc, options *metav1.CreateOptions) (runtime.Object, error) {
eviction, ok := obj.(*policy.Eviction)
if !ok {
return nil, errors.NewBadRequest(fmt.Sprintf("not a Eviction object: %T", obj))
}
if name != eviction.Name {
return nil, errors.NewBadRequest("name in URL does not match name in Eviction object")
}
deletionOptions, err := propagateDryRun(eviction, options)
if err != nil {

118
pkg/registry/core/pod/storage/eviction_test.go
View File

@ -42,9 +42,10 @@ func TestEviction(t *testing.T) {
testcases := []struct {
name string
pdbs []runtime.Object
pod *api.Pod
eviction *policy.Eviction
badNameInURL bool
expectError bool
expectDeleted bool
}{
@ -55,12 +56,6 @@ func TestEviction(t *testing.T) {
Spec: policyv1beta1.PodDisruptionBudgetSpec{Selector: &metav1.LabelSelector{MatchLabels: map[string]string{"a": "true"}}},
Status: policyv1beta1.PodDisruptionBudgetStatus{PodDisruptionsAllowed: 0},
}},
pod: func() *api.Pod {
pod := validNewPod()
pod.Labels = map[string]string{"a": "true"}
pod.Spec.NodeName = "foo"
return pod
}(),
eviction: &policy.Eviction{ObjectMeta: metav1.ObjectMeta{Name: "foo", Namespace: "default"}, DeleteOptions: metav1.NewDeleteOptions(0)},
expectError: true,
},
@ -71,12 +66,6 @@ func TestEviction(t *testing.T) {
Spec: policyv1beta1.PodDisruptionBudgetSpec{Selector: &metav1.LabelSelector{MatchLabels: map[string]string{"a": "true"}}},
Status: policyv1beta1.PodDisruptionBudgetStatus{PodDisruptionsAllowed: 1},
}},
pod: func() *api.Pod {
pod := validNewPod()
pod.Labels = map[string]string{"a": "true"}
pod.Spec.NodeName = "foo"
return pod
}(),
eviction: &policy.Eviction{ObjectMeta: metav1.ObjectMeta{Name: "foo", Namespace: "default"}, DeleteOptions: metav1.NewDeleteOptions(0)},
expectDeleted: true,
},
@ -87,15 +76,20 @@ func TestEviction(t *testing.T) {
Spec: policyv1beta1.PodDisruptionBudgetSpec{Selector: &metav1.LabelSelector{MatchLabels: map[string]string{"b": "true"}}},
Status: policyv1beta1.PodDisruptionBudgetStatus{PodDisruptionsAllowed: 0},
}},
pod: func() *api.Pod {
pod := validNewPod()
pod.Labels = map[string]string{"a": "true"}
pod.Spec.NodeName = "foo"
return pod
}(),
eviction: &policy.Eviction{ObjectMeta: metav1.ObjectMeta{Name: "foo", Namespace: "default"}, DeleteOptions: metav1.NewDeleteOptions(0)},
expectDeleted: true,
},
{
name: "matching pdbs with disruptions allowed but bad name in Url",
pdbs: []runtime.Object{&policyv1beta1.PodDisruptionBudget{
ObjectMeta: metav1.ObjectMeta{Name: "foo", Namespace: "default"},
Spec: policyv1beta1.PodDisruptionBudgetSpec{Selector: &metav1.LabelSelector{MatchLabels: map[string]string{"a": "true"}}},
Status: policyv1beta1.PodDisruptionBudgetStatus{PodDisruptionsAllowed: 1},
}},
badNameInURL: true,
eviction: &policy.Eviction{ObjectMeta: metav1.ObjectMeta{Name: "foo", Namespace: "default"}, DeleteOptions: metav1.NewDeleteOptions(0)},
expectError: true,
},
}
for _, tc := range testcases {
@ -104,43 +98,58 @@ func TestEviction(t *testing.T) {
storage, _, _, server := newStorage(t)
defer server.Terminate(t)
defer storage.Store.DestroyFunc()
if tc.pod != nil {
if _, err := storage.Create(testContext, tc.pod, nil, &metav1.CreateOptions{}); err != nil {
t.Error(err)
}
pod := validNewPod()
pod.Labels = map[string]string{"a": "true"}
pod.Spec.NodeName = "foo"
if _, err := storage.Create(testContext, pod, nil, &metav1.CreateOptions{}); err != nil {
t.Error(err)
}
client := fake.NewSimpleClientset(tc.pdbs...)
evictionRest := newEvictionStorage(storage.Store, client.PolicyV1beta1())
_, err := evictionRest.Create(testContext, tc.eviction, nil, &metav1.CreateOptions{})
name := pod.Name
if tc.badNameInURL {
name += "bad-name"
}
_, err := evictionRest.Create(testContext, name, tc.eviction, nil, &metav1.CreateOptions{})
if (err != nil) != tc.expectError {
t.Errorf("expected error=%v, got %v", tc.expectError, err)
return
}
if tc.badNameInURL {
if err == nil {
t.Error("expected error here, but got nil")
return
}
if err.Error() != "name in URL does not match name in Eviction object" {
t.Errorf("got unexpected error: %v", err)
}
}
if tc.expectError {
return
}
if tc.pod != nil {
existingPod, err := storage.Get(testContext, tc.pod.Name, &metav1.GetOptions{})
if tc.expectDeleted {
if !apierrors.IsNotFound(err) {
t.Errorf("expected to be deleted, lookup returned %#v", existingPod)
}
return
} else if apierrors.IsNotFound(err) {
t.Errorf("expected graceful deletion, got %v", err)
return
existingPod, err := storage.Get(testContext, pod.Name, &metav1.GetOptions{})
if tc.expectDeleted {
if !apierrors.IsNotFound(err) {
t.Errorf("expected to be deleted, lookup returned %#v", existingPod)
}
return
} else if apierrors.IsNotFound(err) {
t.Errorf("expected graceful deletion, got %v", err)
return
}
if err != nil {
t.Errorf("%#v", err)
return
}
if err != nil {
t.Errorf("%#v", err)
return
}
if existingPod.(*api.Pod).DeletionTimestamp == nil {
t.Errorf("expected gracefully deleted pod with deletionTimestamp set, got %#v", existingPod)
}
if existingPod.(*api.Pod).DeletionTimestamp == nil {
t.Errorf("expected gracefully deleted pod with deletionTimestamp set, got %#v", existingPod)
}
})
}
@ -186,52 +195,27 @@ func TestEvictionDryRun(t *testing.T) {
name string
evictionOptions *metav1.DeleteOptions
requestOptions *metav1.CreateOptions
pod *api.Pod
pdbs []runtime.Object
}{
{
name: "just request-options",
requestOptions: &metav1.CreateOptions{DryRun: []string{"All"}},
evictionOptions: &metav1.DeleteOptions{},
pod: func() *api.Pod {
pod := validNewPod()
pod.Labels = map[string]string{"a": "true"}
pod.Spec.NodeName = "foo"
return pod
}(),
},
{
name: "just eviction-options",
requestOptions: &metav1.CreateOptions{},
evictionOptions: &metav1.DeleteOptions{DryRun: []string{"All"}},
pod: func() *api.Pod {
pod := validNewPod()
pod.Labels = map[string]string{"a": "true"}
pod.Spec.NodeName = "foo"
return pod
}(),
},
{
name: "both options",
evictionOptions: &metav1.DeleteOptions{DryRun: []string{"All"}},
requestOptions: &metav1.CreateOptions{DryRun: []string{"All"}},
pod: func() *api.Pod {
pod := validNewPod()
pod.Labels = map[string]string{"a": "true"}
pod.Spec.NodeName = "foo"
return pod
}(),
},
{
name: "with pdbs",
evictionOptions: &metav1.DeleteOptions{DryRun: []string{"All"}},
requestOptions: &metav1.CreateOptions{DryRun: []string{"All"}},
pod: func() *api.Pod {
pod := validNewPod()
pod.Labels = map[string]string{"a": "true"}
pod.Spec.NodeName = "foo"
return pod
}(),
pdbs: []runtime.Object{&policyv1beta1.PodDisruptionBudget{
ObjectMeta: metav1.ObjectMeta{Name: "foo", Namespace: "default"},
Spec: policyv1beta1.PodDisruptionBudgetSpec{Selector: &metav1.LabelSelector{MatchLabels: map[string]string{"a": "true"}}},
@ -257,7 +241,7 @@ func TestEvictionDryRun(t *testing.T) {
client := fake.NewSimpleClientset(tc.pdbs...)
evictionRest := newEvictionStorage(storage.Store, client.PolicyV1beta1())
eviction := &policy.Eviction{ObjectMeta: metav1.ObjectMeta{Name: "foo", Namespace: "default"}, DeleteOptions: tc.evictionOptions}
_, err := evictionRest.Create(testContext, eviction, nil, tc.requestOptions)
_, err := evictionRest.Create(testContext, pod.Name, eviction, nil, tc.requestOptions)
if err != nil {
t.Fatalf("Failed to run eviction: %v", err)
}