/
pods.go
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/
pods.go
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// Copyright 2017 The Kubernetes 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 service
import (
"github.com/kubernetes/dashboard/src/app/backend/errors"
metricapi "github.com/kubernetes/dashboard/src/app/backend/integration/metric/api"
"github.com/kubernetes/dashboard/src/app/backend/resource/common"
"github.com/kubernetes/dashboard/src/app/backend/resource/dataselect"
"github.com/kubernetes/dashboard/src/app/backend/resource/event"
"github.com/kubernetes/dashboard/src/app/backend/resource/pod"
metaV1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/fields"
"k8s.io/apimachinery/pkg/labels"
k8sClient "k8s.io/client-go/kubernetes"
)
// GetServicePods gets list of pods targeted by given label selector in given namespace.
func GetServicePods(client k8sClient.Interface, metricClient metricapi.MetricClient, namespace,
name string, dsQuery *dataselect.DataSelectQuery) (*pod.PodList, error) {
podList := pod.PodList{
Pods: []pod.Pod{},
CumulativeMetrics: []metricapi.Metric{},
}
service, err := client.CoreV1().Services(namespace).Get(name, metaV1.GetOptions{})
if err != nil {
return &podList, err
}
if service.Spec.Selector == nil {
return &podList, nil
}
labelSelector := labels.SelectorFromSet(service.Spec.Selector)
channels := &common.ResourceChannels{
PodList: common.GetPodListChannelWithOptions(client, common.NewSameNamespaceQuery(namespace),
metaV1.ListOptions{
LabelSelector: labelSelector.String(),
FieldSelector: fields.Everything().String(),
}, 1),
}
apiPodList := <-channels.PodList.List
if err := <-channels.PodList.Error; err != nil {
return &podList, err
}
events, err := event.GetPodsEvents(client, namespace, apiPodList.Items)
nonCriticalErrors, criticalError := errors.HandleError(err)
if criticalError != nil {
return &podList, criticalError
}
podList = pod.ToPodList(apiPodList.Items, events, nonCriticalErrors, dsQuery, metricClient)
return &podList, nil
}