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ceph-csi/e2e/namespace.go

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/*
Copyright 2021 The Ceph-CSI 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 e2e
import (
"context"
"fmt"
"os"
"strings"
"time"
v1 "k8s.io/api/core/v1"
apierrs "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/wait"
"k8s.io/client-go/kubernetes"
"k8s.io/kubernetes/test/e2e/framework"
)
func createNamespace(c kubernetes.Interface, name string) error {
timeout := time.Duration(deployTimeout) * time.Minute
ns := &v1.Namespace{
ObjectMeta: metav1.ObjectMeta{
Name: name,
},
}
ctx := context.TODO()
_, err := c.CoreV1().Namespaces().Create(ctx, ns, metav1.CreateOptions{})
if err != nil && !apierrs.IsAlreadyExists(err) {
return fmt.Errorf("failed to create namespace: %w", err)
}
return wait.PollUntilContextTimeout(ctx, poll, timeout, true, func(ctx context.Context) (bool, error) {
_, err := c.CoreV1().Namespaces().Get(ctx, name, metav1.GetOptions{})
if err != nil {
framework.Logf("Error getting namespace: '%s': %v", name, err)
if apierrs.IsNotFound(err) {
return false, nil
}
if isRetryableAPIError(err) {
return false, nil
}
return false, err
}
return true, nil
})
}
func deleteNamespace(c kubernetes.Interface, name string) error {
timeout := time.Duration(deployTimeout) * time.Minute
ctx := context.TODO()
err := c.CoreV1().Namespaces().Delete(ctx, name, metav1.DeleteOptions{})
if err != nil && !apierrs.IsNotFound(err) {
return fmt.Errorf("failed to delete namespace: %w", err)
}
return wait.PollUntilContextTimeout(ctx, poll, timeout, true, func(ctx context.Context) (bool, error) {
_, err = c.CoreV1().Namespaces().Get(ctx, name, metav1.GetOptions{})
if err != nil {
if apierrs.IsNotFound(err) {
return true, nil
}
framework.Logf("Error getting namespace: '%s': %v", name, err)
if isRetryableAPIError(err) {
return false, nil
}
return false, err
}
return false, nil
})
}
func replaceNamespaceInTemplate(filePath string) (string, error) {
read, err := os.ReadFile(filePath)
if err != nil {
return "", err
}
// template can contain "default" as namespace, with or without ".
templ := strings.ReplaceAll(string(read), "namespace: default", "namespace: "+cephCSINamespace)
templ = strings.ReplaceAll(templ, "namespace: \"default\"", "namespace: "+cephCSINamespace)
return templ, nil
}