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get.go
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get.go
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/*
Copyright 2019 The Volcano 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 queue
import (
"fmt"
"io"
"os"
"github.com/spf13/cobra"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"volcano.sh/volcano/pkg/apis/scheduling/v1alpha2"
"volcano.sh/volcano/pkg/client/clientset/versioned"
)
type getFlags struct {
commonFlags
Name string
}
var getQueueFlags = &getFlags{}
// InitGetFlags is used to init all flags
func InitGetFlags(cmd *cobra.Command) {
initFlags(cmd, &getQueueFlags.commonFlags)
cmd.Flags().StringVarP(&getQueueFlags.Name, "name", "n", "", "the name of queue")
}
// GetQueue gets a queue
func GetQueue() error {
config, err := buildConfig(getQueueFlags.Master, getQueueFlags.Kubeconfig)
if err != nil {
return err
}
if getQueueFlags.Name == "" {
err := fmt.Errorf("name is mandatory to get the particular queue details")
return err
}
queueClient := versioned.NewForConfigOrDie(config)
queue, err := queueClient.SchedulingV1alpha2().Queues().Get(getQueueFlags.Name, metav1.GetOptions{})
if err != nil {
return err
}
PrintQueue(queue, os.Stdout)
return nil
}
// PrintQueue prints queue information
func PrintQueue(queue *v1alpha2.Queue, writer io.Writer) {
_, err := fmt.Fprintf(writer, "%-25s%-8s%-8s%-8s%-8s%-8s%-8s\n",
Name, Weight, State, Inqueue, Pending, Running, Unknown)
if err != nil {
fmt.Printf("Failed to print queue command result: %s.\n", err)
}
_, err = fmt.Fprintf(writer, "%-25s%-8d%-8s%-8d%-8d%-8d%-8d\n",
queue.Name, queue.Spec.Weight, queue.Status.State, queue.Status.Inqueue,
queue.Status.Pending, queue.Status.Running, queue.Status.Unknown)
if err != nil {
fmt.Printf("Failed to print queue command result: %s.\n", err)
}
}