mirror of
https://github.com/optim-enterprises-bv/kubernetes.git
synced 2025-10-31 10:18:13 +00:00
480 lines
17 KiB
Go
480 lines
17 KiB
Go
/*
|
|
Copyright 2017 The Kubernetes Authors.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package genericvalidation
|
|
|
|
import (
|
|
"math/rand"
|
|
"reflect"
|
|
"strings"
|
|
"testing"
|
|
"time"
|
|
|
|
apimachineryvalidation "k8s.io/apimachinery/pkg/api/validation"
|
|
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
|
"k8s.io/apimachinery/pkg/util/validation/field"
|
|
)
|
|
|
|
const (
|
|
maxLengthErrMsg = "must be no more than"
|
|
namePartErrMsg = "name part must consist of"
|
|
nameErrMsg = "a qualified name must consist of"
|
|
)
|
|
|
|
// Ensure custom name functions are allowed
|
|
func TestValidateObjectMetaCustomName(t *testing.T) {
|
|
errs := ValidateObjectMeta(
|
|
&metav1.ObjectMeta{Name: "test", GenerateName: "foo"},
|
|
false,
|
|
func(s string, prefix bool) []string {
|
|
if s == "test" {
|
|
return nil
|
|
}
|
|
return []string{"name-gen"}
|
|
},
|
|
field.NewPath("field"))
|
|
if len(errs) != 1 {
|
|
t.Fatalf("unexpected errors: %v", errs)
|
|
}
|
|
if !strings.Contains(errs[0].Error(), "name-gen") {
|
|
t.Errorf("unexpected error message: %v", errs)
|
|
}
|
|
}
|
|
|
|
// Ensure namespace names follow dns label format
|
|
func TestValidateObjectMetaNamespaces(t *testing.T) {
|
|
errs := ValidateObjectMeta(
|
|
&metav1.ObjectMeta{Name: "test", Namespace: "foo.bar"},
|
|
true,
|
|
func(s string, prefix bool) []string {
|
|
return nil
|
|
},
|
|
field.NewPath("field"))
|
|
if len(errs) != 1 {
|
|
t.Fatalf("unexpected errors: %v", errs)
|
|
}
|
|
if !strings.Contains(errs[0].Error(), `Invalid value: "foo.bar"`) {
|
|
t.Errorf("unexpected error message: %v", errs)
|
|
}
|
|
maxLength := 63
|
|
letters := []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789")
|
|
b := make([]rune, maxLength+1)
|
|
for i := range b {
|
|
b[i] = letters[rand.Intn(len(letters))]
|
|
}
|
|
errs = ValidateObjectMeta(
|
|
&metav1.ObjectMeta{Name: "test", Namespace: string(b)},
|
|
true,
|
|
func(s string, prefix bool) []string {
|
|
return nil
|
|
},
|
|
field.NewPath("field"))
|
|
if len(errs) != 2 {
|
|
t.Fatalf("unexpected errors: %v", errs)
|
|
}
|
|
if !strings.Contains(errs[0].Error(), "Invalid value") || !strings.Contains(errs[1].Error(), "Invalid value") {
|
|
t.Errorf("unexpected error message: %v", errs)
|
|
}
|
|
}
|
|
|
|
func TestValidateObjectMetaOwnerReferences(t *testing.T) {
|
|
trueVar := true
|
|
falseVar := false
|
|
testCases := []struct {
|
|
description string
|
|
ownerReferences []metav1.OwnerReference
|
|
expectError bool
|
|
expectedErrorMessage string
|
|
}{
|
|
{
|
|
description: "simple success - third party extension.",
|
|
ownerReferences: []metav1.OwnerReference{
|
|
{
|
|
APIVersion: "thirdpartyVersion",
|
|
Kind: "thirdpartyKind",
|
|
Name: "name",
|
|
UID: "1",
|
|
},
|
|
},
|
|
expectError: false,
|
|
expectedErrorMessage: "",
|
|
},
|
|
{
|
|
description: "simple failures - event shouldn't be set as an owner",
|
|
ownerReferences: []metav1.OwnerReference{
|
|
{
|
|
APIVersion: "v1",
|
|
Kind: "Event",
|
|
Name: "name",
|
|
UID: "1",
|
|
},
|
|
},
|
|
expectError: true,
|
|
expectedErrorMessage: "is disallowed from being an owner",
|
|
},
|
|
{
|
|
description: "simple controller ref success - one reference with Controller set",
|
|
ownerReferences: []metav1.OwnerReference{
|
|
{
|
|
APIVersion: "thirdpartyVersion",
|
|
Kind: "thirdpartyKind",
|
|
Name: "name",
|
|
UID: "1",
|
|
Controller: &falseVar,
|
|
},
|
|
{
|
|
APIVersion: "thirdpartyVersion",
|
|
Kind: "thirdpartyKind",
|
|
Name: "name",
|
|
UID: "2",
|
|
Controller: &trueVar,
|
|
},
|
|
{
|
|
APIVersion: "thirdpartyVersion",
|
|
Kind: "thirdpartyKind",
|
|
Name: "name",
|
|
UID: "3",
|
|
Controller: &falseVar,
|
|
},
|
|
{
|
|
APIVersion: "thirdpartyVersion",
|
|
Kind: "thirdpartyKind",
|
|
Name: "name",
|
|
UID: "4",
|
|
},
|
|
},
|
|
expectError: false,
|
|
expectedErrorMessage: "",
|
|
},
|
|
{
|
|
description: "simple controller ref failure - two references with Controller set",
|
|
ownerReferences: []metav1.OwnerReference{
|
|
{
|
|
APIVersion: "thirdpartyVersion",
|
|
Kind: "thirdpartyKind",
|
|
Name: "name",
|
|
UID: "1",
|
|
Controller: &falseVar,
|
|
},
|
|
{
|
|
APIVersion: "thirdpartyVersion",
|
|
Kind: "thirdpartyKind",
|
|
Name: "name",
|
|
UID: "2",
|
|
Controller: &trueVar,
|
|
},
|
|
{
|
|
APIVersion: "thirdpartyVersion",
|
|
Kind: "thirdpartyKind",
|
|
Name: "name",
|
|
UID: "3",
|
|
Controller: &trueVar,
|
|
},
|
|
{
|
|
APIVersion: "thirdpartyVersion",
|
|
Kind: "thirdpartyKind",
|
|
Name: "name",
|
|
UID: "4",
|
|
},
|
|
},
|
|
expectError: true,
|
|
expectedErrorMessage: "Only one reference can have Controller set to true",
|
|
},
|
|
}
|
|
|
|
for _, tc := range testCases {
|
|
errs := ValidateObjectMeta(
|
|
&metav1.ObjectMeta{Name: "test", Namespace: "test", OwnerReferences: tc.ownerReferences},
|
|
true,
|
|
func(s string, prefix bool) []string {
|
|
return nil
|
|
},
|
|
field.NewPath("field"))
|
|
if len(errs) != 0 && !tc.expectError {
|
|
t.Errorf("unexpected error: %v in test case %v", errs, tc.description)
|
|
}
|
|
if len(errs) == 0 && tc.expectError {
|
|
t.Errorf("expect error in test case %v", tc.description)
|
|
}
|
|
if len(errs) != 0 && !strings.Contains(errs[0].Error(), tc.expectedErrorMessage) {
|
|
t.Errorf("unexpected error message: %v in test case %v", errs, tc.description)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestValidateObjectMetaUpdateIgnoresCreationTimestamp(t *testing.T) {
|
|
if errs := ValidateObjectMetaUpdate(
|
|
&metav1.ObjectMeta{Name: "test", ResourceVersion: "1"},
|
|
&metav1.ObjectMeta{Name: "test", ResourceVersion: "1", CreationTimestamp: metav1.NewTime(time.Unix(10, 0))},
|
|
field.NewPath("field"),
|
|
); len(errs) != 0 {
|
|
t.Fatalf("unexpected errors: %v", errs)
|
|
}
|
|
if errs := ValidateObjectMetaUpdate(
|
|
&metav1.ObjectMeta{Name: "test", ResourceVersion: "1", CreationTimestamp: metav1.NewTime(time.Unix(10, 0))},
|
|
&metav1.ObjectMeta{Name: "test", ResourceVersion: "1"},
|
|
field.NewPath("field"),
|
|
); len(errs) != 0 {
|
|
t.Fatalf("unexpected errors: %v", errs)
|
|
}
|
|
if errs := ValidateObjectMetaUpdate(
|
|
&metav1.ObjectMeta{Name: "test", ResourceVersion: "1", CreationTimestamp: metav1.NewTime(time.Unix(10, 0))},
|
|
&metav1.ObjectMeta{Name: "test", ResourceVersion: "1", CreationTimestamp: metav1.NewTime(time.Unix(11, 0))},
|
|
field.NewPath("field"),
|
|
); len(errs) != 0 {
|
|
t.Fatalf("unexpected errors: %v", errs)
|
|
}
|
|
}
|
|
|
|
func TestValidateFinalizersUpdate(t *testing.T) {
|
|
testcases := map[string]struct {
|
|
Old metav1.ObjectMeta
|
|
New metav1.ObjectMeta
|
|
ExpectedErr string
|
|
}{
|
|
"invalid adding finalizers": {
|
|
Old: metav1.ObjectMeta{Name: "test", ResourceVersion: "1", DeletionTimestamp: &metav1.Time{}, Finalizers: []string{"x/a"}},
|
|
New: metav1.ObjectMeta{Name: "test", ResourceVersion: "1", DeletionTimestamp: &metav1.Time{}, Finalizers: []string{"x/a", "y/b"}},
|
|
ExpectedErr: "y/b",
|
|
},
|
|
"invalid changing finalizers": {
|
|
Old: metav1.ObjectMeta{Name: "test", ResourceVersion: "1", DeletionTimestamp: &metav1.Time{}, Finalizers: []string{"x/a"}},
|
|
New: metav1.ObjectMeta{Name: "test", ResourceVersion: "1", DeletionTimestamp: &metav1.Time{}, Finalizers: []string{"x/b"}},
|
|
ExpectedErr: "x/b",
|
|
},
|
|
"valid removing finalizers": {
|
|
Old: metav1.ObjectMeta{Name: "test", ResourceVersion: "1", DeletionTimestamp: &metav1.Time{}, Finalizers: []string{"x/a", "y/b"}},
|
|
New: metav1.ObjectMeta{Name: "test", ResourceVersion: "1", DeletionTimestamp: &metav1.Time{}, Finalizers: []string{"x/a"}},
|
|
ExpectedErr: "",
|
|
},
|
|
"valid adding finalizers for objects not being deleted": {
|
|
Old: metav1.ObjectMeta{Name: "test", ResourceVersion: "1", Finalizers: []string{"x/a"}},
|
|
New: metav1.ObjectMeta{Name: "test", ResourceVersion: "1", Finalizers: []string{"x/a", "y/b"}},
|
|
ExpectedErr: "",
|
|
},
|
|
}
|
|
for name, tc := range testcases {
|
|
errs := ValidateObjectMetaUpdate(&tc.New, &tc.Old, field.NewPath("field"))
|
|
if len(errs) == 0 {
|
|
if len(tc.ExpectedErr) != 0 {
|
|
t.Errorf("case: %q, expected error to contain %q", name, tc.ExpectedErr)
|
|
}
|
|
} else if e, a := tc.ExpectedErr, errs.ToAggregate().Error(); !strings.Contains(a, e) {
|
|
t.Errorf("case: %q, expected error to contain %q, got error %q", name, e, a)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestValidateObjectMetaUpdatePreventsDeletionFieldMutation(t *testing.T) {
|
|
now := metav1.NewTime(time.Unix(1000, 0).UTC())
|
|
later := metav1.NewTime(time.Unix(2000, 0).UTC())
|
|
gracePeriodShort := int64(30)
|
|
gracePeriodLong := int64(40)
|
|
|
|
testcases := map[string]struct {
|
|
Old metav1.ObjectMeta
|
|
New metav1.ObjectMeta
|
|
ExpectedNew metav1.ObjectMeta
|
|
ExpectedErrs []string
|
|
}{
|
|
"valid without deletion fields": {
|
|
Old: metav1.ObjectMeta{Name: "test", ResourceVersion: "1"},
|
|
New: metav1.ObjectMeta{Name: "test", ResourceVersion: "1"},
|
|
ExpectedNew: metav1.ObjectMeta{Name: "test", ResourceVersion: "1"},
|
|
ExpectedErrs: []string{},
|
|
},
|
|
"valid with deletion fields": {
|
|
Old: metav1.ObjectMeta{Name: "test", ResourceVersion: "1", DeletionTimestamp: &now, DeletionGracePeriodSeconds: &gracePeriodShort},
|
|
New: metav1.ObjectMeta{Name: "test", ResourceVersion: "1", DeletionTimestamp: &now, DeletionGracePeriodSeconds: &gracePeriodShort},
|
|
ExpectedNew: metav1.ObjectMeta{Name: "test", ResourceVersion: "1", DeletionTimestamp: &now, DeletionGracePeriodSeconds: &gracePeriodShort},
|
|
ExpectedErrs: []string{},
|
|
},
|
|
|
|
"invalid set deletionTimestamp": {
|
|
Old: metav1.ObjectMeta{Name: "test", ResourceVersion: "1"},
|
|
New: metav1.ObjectMeta{Name: "test", ResourceVersion: "1", DeletionTimestamp: &now},
|
|
ExpectedNew: metav1.ObjectMeta{Name: "test", ResourceVersion: "1", DeletionTimestamp: &now},
|
|
ExpectedErrs: []string{"field.deletionTimestamp: Invalid value: \"1970-01-01T00:16:40Z\": field is immutable; may only be changed via deletion"},
|
|
},
|
|
"invalid clear deletionTimestamp": {
|
|
Old: metav1.ObjectMeta{Name: "test", ResourceVersion: "1", DeletionTimestamp: &now},
|
|
New: metav1.ObjectMeta{Name: "test", ResourceVersion: "1"},
|
|
ExpectedNew: metav1.ObjectMeta{Name: "test", ResourceVersion: "1", DeletionTimestamp: &now},
|
|
ExpectedErrs: []string{}, // no errors, validation copies the old value
|
|
},
|
|
"invalid change deletionTimestamp": {
|
|
Old: metav1.ObjectMeta{Name: "test", ResourceVersion: "1", DeletionTimestamp: &now},
|
|
New: metav1.ObjectMeta{Name: "test", ResourceVersion: "1", DeletionTimestamp: &later},
|
|
ExpectedNew: metav1.ObjectMeta{Name: "test", ResourceVersion: "1", DeletionTimestamp: &now},
|
|
ExpectedErrs: []string{}, // no errors, validation copies the old value
|
|
},
|
|
|
|
"invalid set deletionGracePeriodSeconds": {
|
|
Old: metav1.ObjectMeta{Name: "test", ResourceVersion: "1"},
|
|
New: metav1.ObjectMeta{Name: "test", ResourceVersion: "1", DeletionGracePeriodSeconds: &gracePeriodShort},
|
|
ExpectedNew: metav1.ObjectMeta{Name: "test", ResourceVersion: "1", DeletionGracePeriodSeconds: &gracePeriodShort},
|
|
ExpectedErrs: []string{"field.deletionGracePeriodSeconds: Invalid value: 30: field is immutable; may only be changed via deletion"},
|
|
},
|
|
"invalid clear deletionGracePeriodSeconds": {
|
|
Old: metav1.ObjectMeta{Name: "test", ResourceVersion: "1", DeletionGracePeriodSeconds: &gracePeriodShort},
|
|
New: metav1.ObjectMeta{Name: "test", ResourceVersion: "1"},
|
|
ExpectedNew: metav1.ObjectMeta{Name: "test", ResourceVersion: "1", DeletionGracePeriodSeconds: &gracePeriodShort},
|
|
ExpectedErrs: []string{}, // no errors, validation copies the old value
|
|
},
|
|
"invalid change deletionGracePeriodSeconds": {
|
|
Old: metav1.ObjectMeta{Name: "test", ResourceVersion: "1", DeletionGracePeriodSeconds: &gracePeriodShort},
|
|
New: metav1.ObjectMeta{Name: "test", ResourceVersion: "1", DeletionGracePeriodSeconds: &gracePeriodLong},
|
|
ExpectedNew: metav1.ObjectMeta{Name: "test", ResourceVersion: "1", DeletionGracePeriodSeconds: &gracePeriodLong},
|
|
ExpectedErrs: []string{"field.deletionGracePeriodSeconds: Invalid value: 40: field is immutable; may only be changed via deletion"},
|
|
},
|
|
}
|
|
|
|
for k, tc := range testcases {
|
|
errs := ValidateObjectMetaUpdate(&tc.New, &tc.Old, field.NewPath("field"))
|
|
if len(errs) != len(tc.ExpectedErrs) {
|
|
t.Logf("%s: Expected: %#v", k, tc.ExpectedErrs)
|
|
t.Logf("%s: Got: %#v", k, errs)
|
|
t.Errorf("%s: expected %d errors, got %d", k, len(tc.ExpectedErrs), len(errs))
|
|
continue
|
|
}
|
|
for i := range errs {
|
|
if errs[i].Error() != tc.ExpectedErrs[i] {
|
|
t.Errorf("%s: error #%d: expected %q, got %q", k, i, tc.ExpectedErrs[i], errs[i].Error())
|
|
}
|
|
}
|
|
if !reflect.DeepEqual(tc.New, tc.ExpectedNew) {
|
|
t.Errorf("%s: Expected after validation:\n%#v\ngot\n%#v", k, tc.ExpectedNew, tc.New)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestObjectMetaGenerationUpdate(t *testing.T) {
|
|
testcases := map[string]struct {
|
|
Old metav1.ObjectMeta
|
|
New metav1.ObjectMeta
|
|
ExpectedErrs []string
|
|
}{
|
|
"invalid generation change - decremented": {
|
|
Old: metav1.ObjectMeta{Name: "test", ResourceVersion: "1", Generation: 5},
|
|
New: metav1.ObjectMeta{Name: "test", ResourceVersion: "1", Generation: 4},
|
|
ExpectedErrs: []string{"field.generation: Invalid value: 4: must not be decremented"},
|
|
},
|
|
"valid generation change - incremented by one": {
|
|
Old: metav1.ObjectMeta{Name: "test", ResourceVersion: "1", Generation: 1},
|
|
New: metav1.ObjectMeta{Name: "test", ResourceVersion: "1", Generation: 2},
|
|
ExpectedErrs: []string{},
|
|
},
|
|
"valid generation field - not updated": {
|
|
Old: metav1.ObjectMeta{Name: "test", ResourceVersion: "1", Generation: 5},
|
|
New: metav1.ObjectMeta{Name: "test", ResourceVersion: "1", Generation: 5},
|
|
ExpectedErrs: []string{},
|
|
},
|
|
}
|
|
|
|
for k, tc := range testcases {
|
|
errList := []string{}
|
|
errs := ValidateObjectMetaUpdate(&tc.New, &tc.Old, field.NewPath("field"))
|
|
if len(errs) != len(tc.ExpectedErrs) {
|
|
t.Logf("%s: Expected: %#v", k, tc.ExpectedErrs)
|
|
for _, err := range errs {
|
|
errList = append(errList, err.Error())
|
|
}
|
|
t.Logf("%s: Got: %#v", k, errList)
|
|
t.Errorf("%s: expected %d errors, got %d", k, len(tc.ExpectedErrs), len(errs))
|
|
continue
|
|
}
|
|
for i := range errList {
|
|
if errList[i] != tc.ExpectedErrs[i] {
|
|
t.Errorf("%s: error #%d: expected %q, got %q", k, i, tc.ExpectedErrs[i], errList[i])
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Ensure trailing slash is allowed in generate name
|
|
func TestValidateObjectMetaTrimsTrailingSlash(t *testing.T) {
|
|
errs := ValidateObjectMeta(
|
|
&metav1.ObjectMeta{Name: "test", GenerateName: "foo-"},
|
|
false,
|
|
apimachineryvalidation.NameIsDNSSubdomain,
|
|
field.NewPath("field"))
|
|
if len(errs) != 0 {
|
|
t.Fatalf("unexpected errors: %v", errs)
|
|
}
|
|
}
|
|
|
|
func TestValidateAnnotations(t *testing.T) {
|
|
successCases := []map[string]string{
|
|
{"simple": "bar"},
|
|
{"now-with-dashes": "bar"},
|
|
{"1-starts-with-num": "bar"},
|
|
{"1234": "bar"},
|
|
{"simple/simple": "bar"},
|
|
{"now-with-dashes/simple": "bar"},
|
|
{"now-with-dashes/now-with-dashes": "bar"},
|
|
{"now.with.dots/simple": "bar"},
|
|
{"now-with.dashes-and.dots/simple": "bar"},
|
|
{"1-num.2-num/3-num": "bar"},
|
|
{"1234/5678": "bar"},
|
|
{"1.2.3.4/5678": "bar"},
|
|
{"UpperCase123": "bar"},
|
|
{"a": strings.Repeat("b", totalAnnotationSizeLimitB-1)},
|
|
{
|
|
"a": strings.Repeat("b", totalAnnotationSizeLimitB/2-1),
|
|
"c": strings.Repeat("d", totalAnnotationSizeLimitB/2-1),
|
|
},
|
|
}
|
|
for i := range successCases {
|
|
errs := ValidateAnnotations(successCases[i], field.NewPath("field"))
|
|
if len(errs) != 0 {
|
|
t.Errorf("case[%d] expected success, got %#v", i, errs)
|
|
}
|
|
}
|
|
|
|
nameErrorCases := []struct {
|
|
annotations map[string]string
|
|
expect string
|
|
}{
|
|
{map[string]string{"nospecialchars^=@": "bar"}, namePartErrMsg},
|
|
{map[string]string{"cantendwithadash-": "bar"}, namePartErrMsg},
|
|
{map[string]string{"only/one/slash": "bar"}, nameErrMsg},
|
|
{map[string]string{strings.Repeat("a", 254): "bar"}, maxLengthErrMsg},
|
|
}
|
|
for i := range nameErrorCases {
|
|
errs := ValidateAnnotations(nameErrorCases[i].annotations, field.NewPath("field"))
|
|
if len(errs) != 1 {
|
|
t.Errorf("case[%d]: expected failure", i)
|
|
} else {
|
|
if !strings.Contains(errs[0].Detail, nameErrorCases[i].expect) {
|
|
t.Errorf("case[%d]: error details do not include %q: %q", i, nameErrorCases[i].expect, errs[0].Detail)
|
|
}
|
|
}
|
|
}
|
|
totalSizeErrorCases := []map[string]string{
|
|
{"a": strings.Repeat("b", totalAnnotationSizeLimitB)},
|
|
{
|
|
"a": strings.Repeat("b", totalAnnotationSizeLimitB/2),
|
|
"c": strings.Repeat("d", totalAnnotationSizeLimitB/2),
|
|
},
|
|
}
|
|
for i := range totalSizeErrorCases {
|
|
errs := ValidateAnnotations(totalSizeErrorCases[i], field.NewPath("field"))
|
|
if len(errs) != 1 {
|
|
t.Errorf("case[%d] expected failure", i)
|
|
}
|
|
}
|
|
}
|