731 lines
20 KiB
Go
731 lines
20 KiB
Go
/*
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Copyright 2023 The Karmada 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 native
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import (
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"testing"
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"github.com/stretchr/testify/assert"
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appsv1 "k8s.io/api/apps/v1"
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corev1 "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/schema"
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"k8s.io/klog/v2"
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"github.com/karmada-io/karmada/pkg/util"
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"github.com/karmada-io/karmada/pkg/util/helper"
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)
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func Test_retainK8sWorkloadReplicas(t *testing.T) {
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desiredNum, observedNum := int32(2), int32(4)
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type args struct {
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desired interface{}
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observed interface{}
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}
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tests := []struct {
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name string
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args args
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want interface{}
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wantErr bool
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}{
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{
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name: "deployment is control by hpa",
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args: args{
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desired: &appsv1.Deployment{
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ObjectMeta: metav1.ObjectMeta{
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Name: "nginx",
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Labels: map[string]string{
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util.RetainReplicasLabel: util.RetainReplicasValue,
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},
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},
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Spec: appsv1.DeploymentSpec{
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Replicas: &desiredNum,
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},
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},
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observed: &appsv1.Deployment{
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ObjectMeta: metav1.ObjectMeta{
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Name: "nginx",
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},
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Spec: appsv1.DeploymentSpec{
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Replicas: &observedNum,
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},
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},
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},
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want: &appsv1.Deployment{
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ObjectMeta: metav1.ObjectMeta{
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Name: "nginx",
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Labels: map[string]string{
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util.RetainReplicasLabel: util.RetainReplicasValue,
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},
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},
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Spec: appsv1.DeploymentSpec{
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Replicas: &observedNum,
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},
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},
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wantErr: false,
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},
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{
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name: "deployment is not control by hpa",
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args: args{
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desired: &appsv1.Deployment{
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ObjectMeta: metav1.ObjectMeta{
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Name: "nginx",
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},
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Spec: appsv1.DeploymentSpec{
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Replicas: &desiredNum,
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},
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},
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observed: &appsv1.Deployment{
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ObjectMeta: metav1.ObjectMeta{
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Name: "nginx",
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},
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Spec: appsv1.DeploymentSpec{
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Replicas: &observedNum,
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},
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},
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},
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want: &appsv1.Deployment{
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ObjectMeta: metav1.ObjectMeta{
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Name: "nginx",
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},
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Spec: appsv1.DeploymentSpec{
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Replicas: &desiredNum,
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},
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},
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wantErr: false,
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},
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{
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name: "empty observed replicas",
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args: args{
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desired: &appsv1.Deployment{
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ObjectMeta: metav1.ObjectMeta{
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Name: "nginx",
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Labels: map[string]string{
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util.RetainReplicasLabel: util.RetainReplicasValue,
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},
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},
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Spec: appsv1.DeploymentSpec{
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Replicas: &desiredNum,
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},
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},
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observed: &appsv1.Deployment{
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ObjectMeta: metav1.ObjectMeta{
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Name: "nginx",
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},
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Spec: appsv1.DeploymentSpec{},
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},
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},
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want: nil,
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wantErr: true,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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unstructuredDesiredObj, err := helper.ToUnstructured(tt.args.desired)
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if err != nil {
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klog.Errorf("Failed to transform desired, error: %v", err)
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return
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}
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unstructuredObservedObj, err := helper.ToUnstructured(tt.args.observed)
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if err != nil {
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klog.Errorf("Failed to transform observed, error: %v", err)
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return
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}
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got, err := retainWorkloadReplicas(unstructuredDesiredObj, unstructuredObservedObj)
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if (err != nil) != tt.wantErr {
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t.Errorf("retainWorkloadReplicas() error = %v, wantErr %v", err, tt.wantErr)
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return
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}
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unstructuredWantObj := (*unstructured.Unstructured)(nil)
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if tt.want != nil {
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unstructuredWantObj, err = helper.ToUnstructured(tt.want)
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if err != nil {
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klog.Errorf("Failed to transform want, error: %v", err)
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return
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}
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}
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assert.Equalf(t, unstructuredWantObj, got, "retainWorkloadReplicas(%v, %v)", unstructuredDesiredObj, unstructuredObservedObj)
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})
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}
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}
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func Test_retainSecretServiceAccountToken(t *testing.T) {
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createSecret := func(secretType corev1.SecretType, dataKey, dataValue string) *unstructured.Unstructured {
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ret, _ := helper.ToUnstructured(&corev1.Secret{
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TypeMeta: metav1.TypeMeta{
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Kind: "Secret",
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APIVersion: corev1.SchemeGroupVersion.String(),
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},
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ObjectMeta: metav1.ObjectMeta{},
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Data: map[string][]byte{dataKey: []byte(dataValue)},
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Type: secretType,
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})
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return ret
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}
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type args struct {
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desired *unstructured.Unstructured
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observed *unstructured.Unstructured
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}
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tests := []struct {
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name string
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args args
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want *unstructured.Unstructured
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}{
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{
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name: "secret data and uid are retained for type service-account-token",
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args: args{
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desired: createSecret(corev1.SecretTypeServiceAccountToken, corev1.ServiceAccountTokenKey, "desired-token"),
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observed: createSecret(corev1.SecretTypeServiceAccountToken, corev1.ServiceAccountTokenKey, "observed-token"),
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},
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want: createSecret(corev1.SecretTypeServiceAccountToken, corev1.ServiceAccountTokenKey, "observed-token"),
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},
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{
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name: "ignores missing uid and data for type service-account-token",
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args: args{
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desired: &unstructured.Unstructured{Object: map[string]interface{}{"type": string(corev1.SecretTypeServiceAccountToken)}},
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observed: &unstructured.Unstructured{Object: map[string]interface{}{"type": string(corev1.SecretTypeServiceAccountToken)}},
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},
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want: &unstructured.Unstructured{Object: map[string]interface{}{"type": string(corev1.SecretTypeServiceAccountToken)}},
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},
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{
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name: "does not retain for type tls",
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args: args{
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desired: createSecret(corev1.SecretTypeTLS, corev1.TLSCertKey, "desired-cert"),
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observed: createSecret(corev1.SecretTypeTLS, corev1.TLSCertKey, "observed-cert"),
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},
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want: createSecret(corev1.SecretTypeTLS, corev1.TLSCertKey, "desired-cert"),
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},
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{
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name: "does not retain for type basic-auth",
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args: args{
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desired: createSecret(corev1.SecretTypeBasicAuth, corev1.BasicAuthUsernameKey, "desired-user"),
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observed: createSecret(corev1.SecretTypeBasicAuth, corev1.BasicAuthUsernameKey, "observed-user"),
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},
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want: createSecret(corev1.SecretTypeBasicAuth, corev1.BasicAuthUsernameKey, "desired-user"),
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},
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{
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name: "does not retain for type dockercfg",
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args: args{
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desired: createSecret(corev1.SecretTypeDockercfg, corev1.DockerConfigKey, "desired-docker-cfg"),
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observed: createSecret(corev1.SecretTypeDockercfg, corev1.DockerConfigKey, "observed-docker-cfg"),
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},
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want: createSecret(corev1.SecretTypeDockercfg, corev1.DockerConfigKey, "desired-docker-cfg"),
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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got, err := retainSecretServiceAccountToken(tt.args.desired, tt.args.observed)
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assert.Nil(t, err, "retainSecretServiceAccountToken() error = %v", err)
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assert.Equalf(t, tt.want, got, "retainSecretServiceAccountToken(%v, %v)", tt.args.desired, tt.args.observed)
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})
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}
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}
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func Test_retainPersistentVolumeFields(t *testing.T) {
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createPV := func(claimRef *corev1.ObjectReference) *unstructured.Unstructured {
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ret, _ := helper.ToUnstructured(&corev1.PersistentVolume{
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TypeMeta: metav1.TypeMeta{
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Kind: "PersistentVolume",
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APIVersion: corev1.SchemeGroupVersion.String(),
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},
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ObjectMeta: metav1.ObjectMeta{
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Name: "pv",
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},
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Spec: corev1.PersistentVolumeSpec{
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ClaimRef: claimRef,
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},
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})
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return ret
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}
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type args struct {
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desired *unstructured.Unstructured
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observed *unstructured.Unstructured
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}
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tests := []struct {
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name string
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args args
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want *unstructured.Unstructured
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}{
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{
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name: "retain claimRef",
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args: args{
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desired: createPV(&corev1.ObjectReference{Name: "pvc-1", Namespace: "default"}),
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observed: createPV(&corev1.ObjectReference{Name: "pvc-2", Namespace: "default"}),
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},
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want: createPV(&corev1.ObjectReference{Name: "pvc-2", Namespace: "default"}),
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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got, err := retainPersistentVolumeFields(tt.args.desired, tt.args.observed)
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assert.Nil(t, err, "retainPersistentVolumeFields() error = %v", err)
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assert.Equalf(t, tt.want, got, "retainPersistentVolumeFields(%v, %v)", tt.args.desired, tt.args.observed)
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})
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}
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}
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func Test_retainPersistentVolumeClaimFields(t *testing.T) {
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createPVC := func(volumeName string) *unstructured.Unstructured {
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ret, _ := helper.ToUnstructured(&corev1.PersistentVolumeClaim{
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TypeMeta: metav1.TypeMeta{
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Kind: "PersistentVolumeClaim",
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APIVersion: corev1.SchemeGroupVersion.String(),
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},
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ObjectMeta: metav1.ObjectMeta{
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Name: "pvc",
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},
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Spec: corev1.PersistentVolumeClaimSpec{
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VolumeName: volumeName,
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},
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})
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return ret
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}
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type args struct {
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desired *unstructured.Unstructured
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observed *unstructured.Unstructured
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}
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tests := []struct {
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name string
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args args
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want *unstructured.Unstructured
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}{
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{
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name: "retain observed volume name",
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args: args{
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desired: createPVC("desired-volume-name"),
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observed: createPVC("observed-volume-name"),
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},
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want: createPVC("observed-volume-name"),
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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got, err := retainPersistentVolumeClaimFields(tt.args.desired, tt.args.observed)
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assert.Nil(t, err, "retainPersistentVolumeClaimFields() error = %v", err)
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assert.Equalf(t, tt.want, got, "retainPersistentVolumeClaimFields(%v, %v)", tt.args.desired, tt.args.observed)
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})
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}
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}
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func Test_retainJobSelectorFields(t *testing.T) {
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replicaNum := int32(2)
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type args struct {
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desired interface{}
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observed interface{}
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}
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tests := []struct {
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name string
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args args
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want interface{}
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wantErr bool
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}{
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{
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name: "matchLabels and templateLabels exists",
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args: args{
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desired: &appsv1.Deployment{
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ObjectMeta: metav1.ObjectMeta{
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Name: "nginx",
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},
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Spec: appsv1.DeploymentSpec{
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Selector: &metav1.LabelSelector{
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MatchLabels: map[string]string{"app": "nginx_v1"},
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},
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Template: corev1.PodTemplateSpec{
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ObjectMeta: metav1.ObjectMeta{
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Labels: map[string]string{"app": "nginx_v1"},
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},
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},
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Replicas: &replicaNum,
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},
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},
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observed: &appsv1.Deployment{
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ObjectMeta: metav1.ObjectMeta{
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Name: "nginx",
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},
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Spec: appsv1.DeploymentSpec{
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Selector: &metav1.LabelSelector{
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MatchLabels: map[string]string{"name": "nginx"},
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},
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Template: corev1.PodTemplateSpec{
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ObjectMeta: metav1.ObjectMeta{
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Labels: map[string]string{"name": "nginx"},
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},
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},
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Replicas: &replicaNum,
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},
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},
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},
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want: &appsv1.Deployment{
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ObjectMeta: metav1.ObjectMeta{
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Name: "nginx",
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},
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Spec: appsv1.DeploymentSpec{
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Selector: &metav1.LabelSelector{
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MatchLabels: map[string]string{"name": "nginx"},
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},
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Template: corev1.PodTemplateSpec{
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ObjectMeta: metav1.ObjectMeta{
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Labels: map[string]string{"name": "nginx"},
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},
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},
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Replicas: &replicaNum,
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},
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},
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wantErr: false,
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},
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{
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name: "matchLabels does not exists",
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args: args{
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desired: &appsv1.Deployment{
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ObjectMeta: metav1.ObjectMeta{
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Name: "nginx",
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},
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Spec: appsv1.DeploymentSpec{
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Template: corev1.PodTemplateSpec{
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ObjectMeta: metav1.ObjectMeta{
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Labels: map[string]string{"app": "nginx_v1"},
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},
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},
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Replicas: &replicaNum,
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},
|
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},
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observed: &appsv1.Deployment{
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ObjectMeta: metav1.ObjectMeta{
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Name: "nginx",
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},
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Spec: appsv1.DeploymentSpec{
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Template: corev1.PodTemplateSpec{
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ObjectMeta: metav1.ObjectMeta{
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Labels: map[string]string{"name": "nginx"},
|
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},
|
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},
|
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Replicas: &replicaNum,
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},
|
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},
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},
|
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want: &appsv1.Deployment{
|
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ObjectMeta: metav1.ObjectMeta{
|
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Name: "nginx",
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},
|
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Spec: appsv1.DeploymentSpec{
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Template: corev1.PodTemplateSpec{
|
|
ObjectMeta: metav1.ObjectMeta{
|
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Labels: map[string]string{"name": "nginx"},
|
|
},
|
|
},
|
|
Replicas: &replicaNum,
|
|
},
|
|
},
|
|
wantErr: false,
|
|
},
|
|
{
|
|
name: "templateLabels does not exists",
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args: args{
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desired: &appsv1.Deployment{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: "nginx",
|
|
},
|
|
Spec: appsv1.DeploymentSpec{
|
|
Selector: &metav1.LabelSelector{
|
|
MatchLabels: map[string]string{"app": "nginx_v1"},
|
|
},
|
|
Replicas: &replicaNum,
|
|
},
|
|
},
|
|
observed: &appsv1.Deployment{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: "nginx",
|
|
},
|
|
Spec: appsv1.DeploymentSpec{
|
|
Selector: &metav1.LabelSelector{
|
|
MatchLabels: map[string]string{"name": "nginx"},
|
|
},
|
|
Replicas: &replicaNum,
|
|
},
|
|
},
|
|
},
|
|
want: &appsv1.Deployment{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: "nginx",
|
|
},
|
|
Spec: appsv1.DeploymentSpec{
|
|
Selector: &metav1.LabelSelector{
|
|
MatchLabels: map[string]string{"name": "nginx"},
|
|
},
|
|
Replicas: &replicaNum,
|
|
},
|
|
},
|
|
wantErr: false,
|
|
},
|
|
}
|
|
for _, tt := range tests {
|
|
t.Run(tt.name, func(t *testing.T) {
|
|
unstructuredDesiredObj, err := helper.ToUnstructured(tt.args.desired)
|
|
if err != nil {
|
|
klog.Errorf("Failed to transform desired, error: %v", err)
|
|
return
|
|
}
|
|
unstructuredObservedObj, err := helper.ToUnstructured(tt.args.observed)
|
|
if err != nil {
|
|
klog.Errorf("Failed to transform observed, error: %v", err)
|
|
return
|
|
}
|
|
got, err := retainJobSelectorFields(unstructuredDesiredObj, unstructuredObservedObj)
|
|
if (err != nil) != tt.wantErr {
|
|
t.Errorf("retainJobSelectorFields() error = %v, wantErr %v", err, tt.wantErr)
|
|
return
|
|
}
|
|
unstructuredWantObj, err := helper.ToUnstructured(tt.want)
|
|
if err != nil {
|
|
klog.Errorf("Failed to transform want, error: %v", err)
|
|
return
|
|
}
|
|
assert.Equalf(t, unstructuredWantObj, got, "retainJobSelectorFields(%v, %v)", unstructuredDesiredObj, unstructuredObservedObj)
|
|
})
|
|
}
|
|
}
|
|
|
|
func Test_retainPodFields(t *testing.T) {
|
|
type args struct {
|
|
desired interface{}
|
|
observed interface{}
|
|
}
|
|
tests := []struct {
|
|
name string
|
|
args args
|
|
want interface{}
|
|
wantErr bool
|
|
}{
|
|
{
|
|
name: "retain observed pod fields",
|
|
args: args{
|
|
desired: &corev1.Pod{Spec: corev1.PodSpec{
|
|
NodeName: "node2",
|
|
ServiceAccountName: "fake-desired-sa",
|
|
Volumes: []corev1.Volume{
|
|
{
|
|
Name: "fake-desired-volume",
|
|
VolumeSource: corev1.VolumeSource{
|
|
Secret: &corev1.SecretVolumeSource{
|
|
SecretName: "fake-desired-secret",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
InitContainers: []corev1.Container{{
|
|
Name: "test",
|
|
VolumeMounts: []corev1.VolumeMount{
|
|
{
|
|
Name: "fake-desired-config",
|
|
ReadOnly: false,
|
|
MountPath: "/etc/etcd/desired",
|
|
},
|
|
},
|
|
}, {
|
|
Name: "test-3",
|
|
VolumeMounts: []corev1.VolumeMount{
|
|
{
|
|
Name: "fake-desired-config-2",
|
|
ReadOnly: false,
|
|
MountPath: "/etc/etcd/desired2",
|
|
},
|
|
},
|
|
}},
|
|
Containers: []corev1.Container{{
|
|
Name: "test",
|
|
VolumeMounts: []corev1.VolumeMount{
|
|
{
|
|
Name: "fake-desired-cert",
|
|
ReadOnly: true,
|
|
MountPath: "/etc/karmada/desired",
|
|
},
|
|
},
|
|
}, {
|
|
Name: "test-3",
|
|
VolumeMounts: []corev1.VolumeMount{
|
|
{
|
|
Name: "fake-desired-cert-2",
|
|
ReadOnly: true,
|
|
MountPath: "/etc/karmada/desired2",
|
|
},
|
|
},
|
|
}},
|
|
}},
|
|
observed: &corev1.Pod{Spec: corev1.PodSpec{
|
|
NodeName: "node1",
|
|
ServiceAccountName: "fake-observed-sa",
|
|
Volumes: []corev1.Volume{
|
|
{
|
|
Name: "fake-observed-volume",
|
|
VolumeSource: corev1.VolumeSource{
|
|
Secret: &corev1.SecretVolumeSource{
|
|
SecretName: "fake-observed-secret",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
InitContainers: []corev1.Container{{
|
|
Name: "test",
|
|
VolumeMounts: []corev1.VolumeMount{
|
|
{
|
|
Name: "fake-observed-config",
|
|
ReadOnly: false,
|
|
MountPath: "/etc/etcd/observed",
|
|
},
|
|
},
|
|
}, {
|
|
Name: "test-2",
|
|
VolumeMounts: []corev1.VolumeMount{
|
|
{
|
|
Name: "fake-observed-config-2",
|
|
ReadOnly: false,
|
|
MountPath: "/etc/etcd/observed2",
|
|
},
|
|
},
|
|
}},
|
|
Containers: []corev1.Container{{
|
|
Name: "test",
|
|
VolumeMounts: []corev1.VolumeMount{
|
|
{
|
|
Name: "fake-observed-cert",
|
|
ReadOnly: true,
|
|
MountPath: "/etc/karmada/observed",
|
|
},
|
|
},
|
|
}, {
|
|
Name: "test-2",
|
|
VolumeMounts: []corev1.VolumeMount{
|
|
{
|
|
Name: "fake-observed-cert-2",
|
|
ReadOnly: true,
|
|
MountPath: "/etc/karmada/observed2",
|
|
},
|
|
},
|
|
}},
|
|
}},
|
|
},
|
|
want: &corev1.Pod{Spec: corev1.PodSpec{
|
|
NodeName: "node1",
|
|
ServiceAccountName: "fake-observed-sa",
|
|
Volumes: []corev1.Volume{
|
|
{
|
|
Name: "fake-observed-volume",
|
|
VolumeSource: corev1.VolumeSource{
|
|
Secret: &corev1.SecretVolumeSource{
|
|
SecretName: "fake-observed-secret",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
InitContainers: []corev1.Container{{
|
|
Name: "test",
|
|
VolumeMounts: []corev1.VolumeMount{
|
|
{
|
|
Name: "fake-observed-config",
|
|
ReadOnly: false,
|
|
MountPath: "/etc/etcd/observed",
|
|
},
|
|
},
|
|
}, {
|
|
Name: "test-3",
|
|
VolumeMounts: []corev1.VolumeMount{
|
|
{
|
|
Name: "fake-desired-config-2",
|
|
ReadOnly: false,
|
|
MountPath: "/etc/etcd/desired2",
|
|
},
|
|
},
|
|
}},
|
|
Containers: []corev1.Container{{
|
|
Name: "test",
|
|
VolumeMounts: []corev1.VolumeMount{
|
|
{
|
|
Name: "fake-observed-cert",
|
|
ReadOnly: true,
|
|
MountPath: "/etc/karmada/observed",
|
|
},
|
|
},
|
|
}, {
|
|
Name: "test-3",
|
|
VolumeMounts: []corev1.VolumeMount{
|
|
{
|
|
Name: "fake-desired-cert-2",
|
|
ReadOnly: true,
|
|
MountPath: "/etc/karmada/desired2",
|
|
},
|
|
},
|
|
}},
|
|
}},
|
|
wantErr: false,
|
|
},
|
|
}
|
|
for _, tt := range tests {
|
|
t.Run(tt.name, func(t *testing.T) {
|
|
unstructuredDesiredObj, err := helper.ToUnstructured(tt.args.desired)
|
|
if err != nil {
|
|
klog.Errorf("Failed to transform desired, error: %v", err)
|
|
return
|
|
}
|
|
unstructuredObservedObj, err := helper.ToUnstructured(tt.args.observed)
|
|
if err != nil {
|
|
klog.Errorf("Failed to transform observed, error: %v", err)
|
|
return
|
|
}
|
|
got, err := retainPodFields(unstructuredDesiredObj, unstructuredObservedObj)
|
|
if (err != nil) != tt.wantErr {
|
|
t.Errorf("retainPodFields() error = %v, wantErr %v", err, tt.wantErr)
|
|
return
|
|
}
|
|
unstructuredWantObj, err := helper.ToUnstructured(tt.want)
|
|
if err != nil {
|
|
klog.Errorf("Failed to transform want, error: %v", err)
|
|
return
|
|
}
|
|
assert.Equalf(t, unstructuredWantObj, got, "retainPodFields(%v, %v)", unstructuredDesiredObj, unstructuredObservedObj)
|
|
})
|
|
}
|
|
}
|
|
|
|
func Test_getAllDefaultRetentionInterpreter(t *testing.T) {
|
|
expectedKinds := []schema.GroupVersionKind{
|
|
{Group: "apps", Version: "v1", Kind: "Deployment"},
|
|
{Group: "", Version: "v1", Kind: "Pod"},
|
|
{Group: "", Version: "v1", Kind: "Service"},
|
|
{Group: "", Version: "v1", Kind: "ServiceAccount"},
|
|
{Group: "", Version: "v1", Kind: "PersistentVolumeClaim"},
|
|
{Group: "", Version: "v1", Kind: "PersistentVolume"},
|
|
{Group: "batch", Version: "v1", Kind: "Job"},
|
|
{Group: "", Version: "v1", Kind: "Secret"},
|
|
}
|
|
|
|
got := getAllDefaultRetentionInterpreter()
|
|
|
|
if len(got) != len(expectedKinds) {
|
|
t.Errorf("getAllDefaultRetentionInterpreter() length = %d, want %d", len(got), len(expectedKinds))
|
|
}
|
|
|
|
for _, key := range expectedKinds {
|
|
if _, exists := got[key]; !exists {
|
|
t.Errorf("getAllDefaultRetentionInterpreter() missing key %v", key)
|
|
}
|
|
}
|
|
}
|