/
util.go
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/
util.go
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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 utils
import (
"context"
"fmt"
"os"
"sort"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/sets"
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/util/retry"
"k8s.io/klog/v2"
"k8s.io/utils/strings/slices"
"github.com/apache/incubator-uniffle/deploy/kubernetes/operator/pkg/constants"
)
// GetCurrentNamespace returns current namespace.
func GetCurrentNamespace() string {
namespace := os.Getenv(constants.PodNamespaceEnv)
if namespace == "" {
namespace = constants.DefaultNamespace
}
return namespace
}
// UpdateSecret updates Secret and retries when conflicts are encountered.
func UpdateSecret(kubeClient kubernetes.Interface, namespace, secretName string,
updateFunc func(secret *corev1.Secret)) error {
return retry.RetryOnConflict(retry.DefaultRetry, func() error {
var err error
var secret *corev1.Secret
secret, err = kubeClient.CoreV1().Secrets(namespace).
Get(context.Background(), secretName, metav1.GetOptions{})
if err != nil {
klog.Errorf("get secret %v/%v failed: %v", namespace, secretName, err)
return err
}
updateFunc(secret)
_, err = kubeClient.CoreV1().Secrets(namespace).Update(context.Background(), secret,
metav1.UpdateOptions{})
if err != nil {
klog.Errorf("update configMap %v/%v failed: %v", namespace, secretName, err)
}
return err
})
}
// UniqueName returns unique name of an object.
func UniqueName(object metav1.Object) string {
return fmt.Sprintf("%v/%v/%v", object.GetNamespace(), object.GetName(), object.GetUID())
}
// GetRssNameByPod returns rss object name from a pod.
func GetRssNameByPod(pod *corev1.Pod) string {
return pod.Annotations[constants.AnnotationRssName]
}
// GetSortedList returns sorted slice.
func GetSortedList(values sets.String) []string {
sorted := slices.Filter(nil, values.List(), func(v string) bool {
return len(v) > 0
})
sort.Slice(sorted, func(i, j int) bool {
return sorted[i] < sorted[j]
})
return sorted
}