/
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 vqueues
import (
"context"
"fmt"
"io"
"os"
"github.com/spf13/cobra"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"volcano.sh/apis/pkg/apis/scheduling/v1beta1"
"volcano.sh/apis/pkg/client/clientset/versioned"
"volcano.sh/volcano/pkg/cli/util"
)
type getFlags struct {
util.CommonFlags
Name string
}
const (
// Weight of the queue
Weight string = "Weight"
// Name of queue
Name string = "Name"
// Pending status of the queue
Pending string = "Pending"
// Running status of the queue
Running string = "Running"
// Unknown status of the queue
Unknown string = "Unknown"
// Inqueue status of queue
Inqueue string = "Inqueue"
// State is state of queue
State string = "State"
)
var getQueueFlags = &getFlags{}
// InitGetFlags is used to init all flags.
func InitGetFlags(cmd *cobra.Command) {
util.InitFlags(cmd, &getQueueFlags.CommonFlags)
cmd.Flags().StringVarP(&getQueueFlags.Name, "name", "n", "", "the name of queue")
}
// ListQueue lists all the queue.
func ListQueue() error {
config, err := util.BuildConfig(getQueueFlags.Master, getQueueFlags.Kubeconfig)
if err != nil {
return err
}
jobClient := versioned.NewForConfigOrDie(config)
queues, err := jobClient.SchedulingV1beta1().Queues().List(context.TODO(), metav1.ListOptions{})
if err != nil {
return err
}
if len(queues.Items) == 0 {
fmt.Printf("No resources found\n")
return nil
}
PrintQueues(queues, os.Stdout)
return nil
}
// PrintQueues prints queue information.
func PrintQueues(queues *v1beta1.QueueList, 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)
}
for _, queue := range queues.Items {
_, 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)
}
}
}
// GetQueue gets a queue.
func GetQueue() error {
config, err := util.BuildConfig(getQueueFlags.Master, getQueueFlags.Kubeconfig)
if err != nil {
return err
}
if getQueueFlags.Name == "" {
err := ListQueue()
return err
}
queueClient := versioned.NewForConfigOrDie(config)
queue, err := queueClient.SchedulingV1beta1().Queues().Get(context.TODO(), getQueueFlags.Name, metav1.GetOptions{})
if err != nil {
return err
}
PrintQueue(queue, os.Stdout)
return nil
}
// PrintQueue prints queue information.
func PrintQueue(queue *v1beta1.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)
}
}