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k8s.go
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k8s.go
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// Copyright 2022 Google LLC
//
// 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 testk8s
import (
"bytes"
"context"
"encoding/json"
"testing"
"github.com/GoogleCloudPlatform/k8s-config-connector/pkg/k8s"
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/apimachinery/pkg/types"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/structured-merge-diff/v4/fieldpath"
)
func GetNamespace(t *testing.T, kubeClient client.Client, namespaceName string) *corev1.Namespace {
t.Helper()
namespace := corev1.Namespace{}
if err := kubeClient.Get(context.TODO(), types.NamespacedName{Name: namespaceName}, &namespace); err != nil {
t.Fatalf("error getting namespace: %v", err)
}
return &namespace
}
func RemoveDeletionDefenderFinalizer(t *testing.T, obj metav1.Object, gvk schema.GroupVersionKind, c client.Client) {
t.Helper()
nn := k8s.GetNamespacedName(obj)
u := &unstructured.Unstructured{}
u.SetGroupVersionKind(gvk)
if err := c.Get(context.Background(), nn, u); err != nil {
if errors.IsNotFound(err) {
return
}
t.Fatalf("error getting %v %v: %v", gvk, nn, err)
}
if !k8s.HasFinalizer(u, k8s.DeletionDefenderFinalizerName) {
return
}
k8s.RemoveFinalizer(u, k8s.DeletionDefenderFinalizerName)
if err := c.Update(context.Background(), u); err != nil {
t.Fatalf("error updating %v %v: %v", gvk, nn, err)
}
}
func RemoveDeletionDefenderFinalizerForUnstructured(t *testing.T, u *unstructured.Unstructured, c client.Client) {
t.Helper()
RemoveDeletionDefenderFinalizer(t, u, u.GroupVersionKind(), c)
}
func MapToFieldPathSet(t *testing.T, m map[string]interface{}) *fieldpath.Set {
b, err := json.Marshal(m)
if err != nil {
t.Fatal("error marshaling field path set JSON:", err)
}
res := fieldpath.NewSet()
if err := res.FromJSON(bytes.NewReader(b)); err != nil {
t.Fatal("error constructing expected set from JSON:", err)
}
return res
}