/
namespace.go
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/
namespace.go
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// Copyright 2017 The prometheus-operator 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 framework
import (
"context"
"encoding/json"
"fmt"
"testing"
v1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
"github.com/prometheus-operator/prometheus-operator/pkg/k8sutil"
)
func (f *Framework) CreateNamespace(ctx context.Context, t *testing.T, testCtx *TestCtx) string {
name := testCtx.ID()
rn := k8sutil.ResourceNamer{}
name, err := rn.UniqueDNS1123Label(name)
if err != nil {
t.Fatal(fmt.Errorf("failed to generate a namespace name %v: %w", name, err))
}
_, err = f.KubeClient.CoreV1().Namespaces().Create(ctx, &v1.Namespace{
ObjectMeta: metav1.ObjectMeta{
Name: name,
},
}, metav1.CreateOptions{})
if err != nil {
t.Fatal(fmt.Errorf("failed to create namespace with name %v: %w", name, err))
}
namespaceFinalizerFn := func() error {
return f.DeleteNamespace(ctx, name)
}
testCtx.AddFinalizerFn(namespaceFinalizerFn)
return name
}
func (f *Framework) DeleteNamespace(ctx context.Context, name string) error {
return f.KubeClient.CoreV1().Namespaces().Delete(ctx, name, metav1.DeleteOptions{})
}
func (f *Framework) AddLabelsToNamespace(ctx context.Context, name string, additionalLabels map[string]string) error {
ns, err := f.KubeClient.CoreV1().Namespaces().Get(ctx, name, metav1.GetOptions{})
if err != nil {
return err
}
if ns.Labels == nil {
ns.Labels = map[string]string{}
}
for k, v := range additionalLabels {
ns.Labels[k] = v
}
_, err = f.KubeClient.CoreV1().Namespaces().Update(ctx, ns, metav1.UpdateOptions{})
if err != nil {
return err
}
return nil
}
func (f *Framework) RemoveLabelsFromNamespace(ctx context.Context, name string, labels ...string) error {
ns, err := f.KubeClient.CoreV1().Namespaces().Get(ctx, name, metav1.GetOptions{})
if err != nil {
return err
}
if len(ns.Labels) == 0 {
return nil
}
type patch struct {
Op string `json:"op"`
Path string `json:"path"`
}
var patches []patch
for _, l := range labels {
patches = append(patches, patch{Op: "remove", Path: "/metadata/labels/" + l})
}
b, err := json.Marshal(patches)
if err != nil {
return err
}
_, err = f.KubeClient.CoreV1().Namespaces().Patch(ctx, name, types.JSONPatchType, b, metav1.PatchOptions{})
if err != nil {
return err
}
return nil
}