cli/pkg/kubernetes/pods.go

64 lines
2.0 KiB
Go

/*
Copyright 2021 The Dapr 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 kubernetes
import (
"context"
"strings"
core_v1 "k8s.io/api/core/v1"
v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/labels"
k8s "k8s.io/client-go/kubernetes"
)
func ListPodsInterface(client k8s.Interface, labelSelector map[string]string) (*core_v1.PodList, error) {
opts := v1.ListOptions{}
if labelSelector != nil {
opts.LabelSelector = labels.FormatLabels(labelSelector)
}
return client.CoreV1().Pods(v1.NamespaceAll).List(context.TODO(), opts)
}
func ListPods(client *k8s.Clientset, namespace string, labelSelector map[string]string) (*core_v1.PodList, error) {
opts := v1.ListOptions{}
if labelSelector != nil {
opts.LabelSelector = labels.FormatLabels(labelSelector)
}
return client.CoreV1().Pods(namespace).List(context.TODO(), opts)
}
// CheckPodExists returns a boolean representing the pod's existence and the namespace that the given pod resides in,
// or empty if not present in the given namespace.
func CheckPodExists(client *k8s.Clientset, namespace string, labelSelector map[string]string, deployName string) (bool, string) {
opts := v1.ListOptions{}
if labelSelector != nil {
opts.LabelSelector = labels.FormatLabels(labelSelector)
}
podList, err := client.CoreV1().Pods(namespace).List(context.TODO(), opts)
if err != nil {
return false, ""
}
for _, pod := range podList.Items {
if pod.Status.Phase == core_v1.PodRunning {
if strings.HasPrefix(pod.Name, deployName) {
return true, pod.Namespace
}
}
}
return false, ""
}