volcano.sh/volcano@v1.9.0/test/e2e/schedulingbase/drf.go (about)

     1  /*
     2  Copyright 2021 The Volcano Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package schedulingbase
    18  
    19  import (
    20  	. "github.com/onsi/ginkgo/v2"
    21  	. "github.com/onsi/gomega"
    22  
    23  	e2eutil "volcano.sh/volcano/test/e2e/util"
    24  )
    25  
    26  var _ = Describe("DRF Test", func() {
    27  	It("drf works", func() {
    28  		Skip("Failed when add yaml, test case may fail in some condition")
    29  		ctx := e2eutil.InitTestContext(e2eutil.Options{})
    30  		defer e2eutil.CleanupTestContext(ctx)
    31  
    32  		slot := e2eutil.OneCPU
    33  		rep := e2eutil.ClusterSize(ctx, slot)
    34  		job := &e2eutil.JobSpec{
    35  			Tasks: []e2eutil.TaskSpec{
    36  				{
    37  					Img: e2eutil.DefaultNginxImage,
    38  					Req: slot,
    39  					Min: rep,
    40  					Rep: rep,
    41  				},
    42  			},
    43  		}
    44  		// tasks in j1-reference take all the cluster resource
    45  		// each replicas request 1 CPU
    46  		job.Name = "j1-reference"
    47  		referenceJob := e2eutil.CreateJob(ctx, job)
    48  		err := e2eutil.WaitTasksReady(ctx, referenceJob, int(rep))
    49  		Expect(err).NotTo(HaveOccurred())
    50  
    51  		// tasks in j2-drf request half of the cluster resource
    52  		// each replicas request 0.5 CPU
    53  		// drf works to make j2-drf preempt the cluster resource
    54  		job.Name = "j2-drf"
    55  		job.Tasks[0].Req = e2eutil.HalfCPU
    56  		backfillJob := e2eutil.CreateJob(ctx, job)
    57  		err = e2eutil.WaitTasksReady(ctx, backfillJob, int(rep))
    58  		Expect(err).NotTo(HaveOccurred())
    59  	})
    60  })