github.com/Equinix-Metal/virtlet@v1.5.2-0.20210807010419-342346535dc5/tests/e2e/stop_qemu_test.go (about)

     1  /*
     2  Copyright 2017 Mirantis
     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 e2e
    18  
    19  import (
    20  	"fmt"
    21  	"strings"
    22  	"time"
    23  
    24  	. "github.com/onsi/gomega"
    25  
    26  	"github.com/Equinix-Metal/virtlet/tests/e2e/framework"
    27  	. "github.com/Equinix-Metal/virtlet/tests/e2e/ginkgo-ext"
    28  )
    29  
    30  var _ = Describe("QEMU Process", func() {
    31  	var (
    32  		vm           *framework.VMInterface
    33  		ssh          framework.Executor
    34  		containerId  string
    35  		vmsContainer framework.Executor
    36  	)
    37  
    38  	BeforeAll(func() {
    39  		vm = controller.VM("kill-qemu-vm")
    40  		Expect(vm.CreateAndWait(VMOptions{}.ApplyDefaults(), time.Minute*5, nil)).To(Succeed())
    41  		var err error
    42  		vmPod, err := vm.Pod()
    43  		Expect(err).NotTo(HaveOccurred())
    44  		containerId = vmPod.Pod.Status.ContainerStatuses[0].ContainerID
    45  		p := strings.LastIndex(containerId, "__")
    46  		if p >= 0 {
    47  			containerId = containerId[p+2:]
    48  		}
    49  		virtletPod, err := vm.VirtletPod()
    50  		Expect(err).NotTo(HaveOccurred())
    51  		// The container doesn't matter much here because Virtlet pod
    52  		// uses host PID namespace, but let's use vms because that's
    53  		// where the VMs live, and we want to look for QEMU processes.
    54  		// This way this will work even if hostPID is turned off for
    55  		// Virtlet pod.
    56  		vmsContainer, err = virtletPod.Container("vms")
    57  		Expect(err).NotTo(HaveOccurred())
    58  	})
    59  
    60  	scheduleWaitSSH(&vm, &ssh)
    61  
    62  	It("Must be active while VM is running and gone after it's deleted [Conformance]", func() {
    63  		qemuRunning := func() bool {
    64  			_, _, err := framework.Run(vmsContainer, "",
    65  				"pgrep", "-f", fmt.Sprintf("qemu-system-x86_64.* %s", containerId),
    66  			)
    67  			if ce, ok := err.(framework.CommandError); ok {
    68  				return ce.ExitCode == 0
    69  			}
    70  			Expect(err).NotTo(HaveOccurred())
    71  			return true
    72  		}
    73  		Expect(qemuRunning()).To(BeTrue())
    74  		deleteVM(vm)
    75  		Expect(qemuRunning()).To(BeFalse())
    76  	})
    77  })