Golang testing.CreateContainer函数代码示例

func (s *LxcSuite) TestCreateContainerEvents(c *gc.C) {
	manager := s.makeManager(c, "test")
	instance := containertesting.CreateContainer(c, manager, "1")
	id := string(instance.Id())
	s.AssertEvent(c, <-s.events, mock.Created, id)
	s.AssertEvent(c, <-s.events, mock.Started, id)
}

func (s *LxcSuite) TestDestroyContainerRemovesAutostartLink(c *gc.C) {
	manager := s.makeManager(c, "test")
	instance := containertesting.CreateContainer(c, manager, "1/lxc/0")
	err := manager.DestroyContainer(instance.Id())
	c.Assert(err, gc.IsNil)
	autostartLink := lxc.RestartSymlink(string(instance.Id()))
	c.Assert(autostartLink, jc.SymlinkDoesNotExist)
}

func (s *LxcSuite) TestDestroyContainerNoRestartDir(c *gc.C) {
	err := os.Remove(s.RestartDir)
	c.Assert(err, gc.IsNil)

	manager := s.makeManager(c, "test")
	instance := containertesting.CreateContainer(c, manager, "1/lxc/0")
	err = manager.DestroyContainer(instance.Id())
	c.Assert(err, gc.IsNil)
}

func (s *LxcSuite) TestListContainers(c *gc.C) {
	foo := s.makeManager(c, "foo")
	bar := s.makeManager(c, "bar")

	foo1 := containertesting.CreateContainer(c, foo, "1/lxc/0")
	foo2 := containertesting.CreateContainer(c, foo, "1/lxc/1")
	foo3 := containertesting.CreateContainer(c, foo, "1/lxc/2")

	bar1 := containertesting.CreateContainer(c, bar, "1/lxc/0")
	bar2 := containertesting.CreateContainer(c, bar, "1/lxc/1")

	result, err := foo.ListContainers()
	c.Assert(err, gc.IsNil)
	instancetest.MatchInstances(c, result, foo1, foo2, foo3)

	result, err = bar.ListContainers()
	c.Assert(err, gc.IsNil)
	instancetest.MatchInstances(c, result, bar1, bar2)
}

func (s *LxcSuite) TestCreateContainerEventsWithCloneExistingTemplate(c *gc.C) {
	s.createTemplate(c)
	s.PatchValue(&s.useClone, true)
	manager := s.makeManager(c, "test")
	instance := containertesting.CreateContainer(c, manager, "1")
	name := string(instance.Id())
	cloned := <-s.events
	s.AssertEvent(c, cloned, mock.Cloned, "juju-quantal-lxc-template")
	c.Assert(cloned.Args, gc.IsNil)
	s.AssertEvent(c, <-s.events, mock.Started, name)
}

func (s *LxcSuite) TestCreateContainerEventsWithCloneExistingTemplateBtrfs(c *gc.C) {
	s.HookCommandOutput(&lxc.FsCommandOutput, []byte("Type\nbtrfs\n"), nil)
	s.createTemplate(c)
	s.PatchValue(&s.useClone, true)
	manager := s.makeManager(c, "test")
	instance := containertesting.CreateContainer(c, manager, "1")
	name := string(instance.Id())
	cloned := <-s.events
	s.AssertEvent(c, cloned, mock.Cloned, "juju-quantal-lxc-template")
	c.Assert(cloned.Args, gc.DeepEquals, []string{"--snapshot"})
	s.AssertEvent(c, <-s.events, mock.Started, name)
}

func (s *KVMSuite) TestDestroyContainer(c *gc.C) {
	instance := containertesting.CreateContainer(c, s.manager, "1/lxc/0")

	err := s.manager.DestroyContainer(instance.Id())
	c.Assert(err, gc.IsNil)

	name := string(instance.Id())
	// Check that the container dir is no longer in the container dir
	c.Assert(filepath.Join(s.ContainerDir, name), jc.DoesNotExist)
	// but instead, in the removed container dir
	c.Assert(filepath.Join(s.RemovedDir, name), jc.IsDirectory)
}

func (s *LxcSuite) TestCreateContainerEventsWithCloneExistingTemplateAUFS(c *gc.C) {
	s.createTemplate(c)
	s.PatchValue(&s.useClone, true)
	s.PatchValue(&s.useAUFS, true)
	manager := s.makeManager(c, "test")
	instance := containertesting.CreateContainer(c, manager, "1")
	name := string(instance.Id())
	cloned := <-s.events
	s.AssertEvent(c, cloned, mock.Cloned, "juju-quantal-lxc-template")
	c.Assert(cloned.Args, gc.DeepEquals, []string{"--snapshot", "--backingstore", "aufs"})
	s.AssertEvent(c, <-s.events, mock.Started, name)
}

func (s *LxcSuite) TestContainerState(c *gc.C) {
	manager := s.makeManager(c, "test")
	c.Logf("%#v", manager)
	instance := containertesting.CreateContainer(c, manager, "1/lxc/0")

	// The mock container will be immediately "running".
	c.Assert(instance.Status(), gc.Equals, string(golxc.StateRunning))

	// DestroyContainer stops and then destroys the container, putting it
	// into "unknown" state.
	err := manager.DestroyContainer(instance.Id())
	c.Assert(err, gc.IsNil)
	c.Assert(instance.Status(), gc.Equals, string(golxc.StateUnknown))
}

func (s *LxcSuite) TestCreateContainerWithCloneMountsAndAutostarts(c *gc.C) {
	s.createTemplate(c)
	s.PatchValue(&s.useClone, true)
	manager := s.makeManager(c, "test")
	instance := containertesting.CreateContainer(c, manager, "1")
	name := string(instance.Id())

	autostartLink := lxc.RestartSymlink(name)
	config, err := ioutil.ReadFile(lxc.ContainerConfigFilename(name))
	c.Assert(err, gc.IsNil)
	mountLine := "lxc.mount.entry=/var/log/juju var/log/juju none defaults,bind 0 0"
	c.Assert(string(config), jc.Contains, mountLine)
	c.Assert(autostartLink, jc.IsSymlink)
}

func (s *LxcSuite) TestCreateContainerEventsWithClone(c *gc.C) {
	s.PatchValue(&s.useClone, true)
	// The template containers are created with an upstart job that
	// stops them once cloud init has finished.  We emulate that here.
	template := "juju-series-template"
	s.ensureTemplateStopped(template)
	manager := s.makeManager(c, "test")
	instance := containertesting.CreateContainer(c, manager, "1")
	id := string(instance.Id())
	s.AssertEvent(c, <-s.events, mock.Created, template)
	s.AssertEvent(c, <-s.events, mock.Started, template)
	s.AssertEvent(c, <-s.events, mock.Stopped, template)
	s.AssertEvent(c, <-s.events, mock.Cloned, template)
	s.AssertEvent(c, <-s.events, mock.Started, id)
}

func (s *LxcSuite) TestContainerState(c *gc.C) {
	// TODO(perrito666) refactor state reporting to return a proper state.
	manager := s.makeManager(c, "test")
	c.Logf("%#v", manager)
	instance := containertesting.CreateContainer(c, manager, "1/lxc/0")

	// The mock container will be immediately "running".
	c.Assert(instance.Status().Message, gc.Equals, string(golxc.StateRunning))

	// DestroyContainer stops and then destroys the container, putting it
	// into "unknown" state.
	err := manager.DestroyContainer(instance.Id())
	c.Assert(err, jc.ErrorIsNil)
	c.Assert(instance.Status().Message, gc.Equals, string(golxc.StateUnknown))
}

func (s *LxcSuite) TestDestroyContainerNameClash(c *gc.C) {
	manager := s.makeManager(c, "test")
	instance := containertesting.CreateContainer(c, manager, "1/lxc/0")

	name := string(instance.Id())
	targetDir := filepath.Join(s.RemovedDir, name)
	err := os.MkdirAll(targetDir, 0755)
	c.Assert(err, gc.IsNil)

	err = manager.DestroyContainer(instance.Id())
	c.Assert(err, gc.IsNil)

	// Check that the container dir is no longer in the container dir
	c.Assert(filepath.Join(s.ContainerDir, name), jc.DoesNotExist)
	// but instead, in the removed container dir with a ".1" suffix as there was already a directory there.
	c.Assert(filepath.Join(s.RemovedDir, fmt.Sprintf("%s.1", name)), jc.IsDirectory)
}

func (s *LxcSuite) TestDestroyContainer(c *gc.C) {
	manager := s.makeManager(c, "test")
	instance := containertesting.CreateContainer(c, manager, "1/lxc/0")

	err := manager.DestroyContainer(instance.Id())
	c.Assert(err, jc.ErrorIsNil)

	name := string(instance.Id())
	// Check that the container dir is no longer in the container dir
	c.Assert(filepath.Join(s.ContainerDir, name), jc.DoesNotExist)
	// but instead, in the removed container dir
	c.Assert(filepath.Join(s.RemovedDir, name), jc.IsDirectory)

	c.Assert(s.loopDeviceManager.detachLoopDevicesArgs, jc.DeepEquals, [][]string{
		{filepath.Join(s.LxcDir, name, "rootfs"), "/"},
	})
}

func (s *LxcSuite) TestCreateContainer(c *gc.C) {
	manager := s.makeManager(c, "test")
	instance := containertesting.CreateContainer(c, manager, "1/lxc/0")

	name := string(instance.Id())
	// Check our container config files: initial lxc.conf, the
	// run-time effective config, and cloud-init userdata.
	lxcConfContents, err := ioutil.ReadFile(filepath.Join(s.ContainerDir, name, "lxc.conf"))
	c.Assert(err, jc.ErrorIsNil)
	c.Assert(string(lxcConfContents), jc.Contains, "lxc.network.link = nic42")
	lxcConfContents, err = ioutil.ReadFile(lxc.ContainerConfigFilename(name))
	c.Assert(err, jc.ErrorIsNil)
	c.Assert(string(lxcConfContents), jc.Contains, "lxc.network.link = nic42")

	cloudInitFilename := filepath.Join(s.ContainerDir, name, "cloud-init")
	data := containertesting.AssertCloudInit(c, cloudInitFilename)

	x := make(map[interface{}]interface{})
	err = goyaml.Unmarshal(data, &x)
	c.Assert(err, jc.ErrorIsNil)

	var scripts []string
	for _, s := range x["runcmd"].([]interface{}) {
		scripts = append(scripts, s.(string))
	}

	c.Assert(scripts[len(scripts)-3:], gc.DeepEquals, []string{
		"start jujud-machine-1-lxc-0",
		"rm $bin/tools.tar.gz && rm $bin/juju2.3.4-quantal-amd64.sha256",
		"ifconfig",
	})

	// Check the mount point has been created inside the container.
	c.Assert(filepath.Join(s.LxcDir, name, "rootfs", agent.DefaultPaths.LogDir), jc.IsDirectory)
	// Check that the config file is linked in the restart dir.
	expectedLinkLocation := filepath.Join(s.RestartDir, name+".conf")
	expectedTarget := filepath.Join(s.LxcDir, name, "config")
	linkInfo, err := os.Lstat(expectedLinkLocation)
	c.Assert(err, jc.ErrorIsNil)
	c.Assert(linkInfo.Mode()&os.ModeSymlink, gc.Equals, os.ModeSymlink)

	location, err := symlink.Read(expectedLinkLocation)
	c.Assert(err, jc.ErrorIsNil)
	c.Assert(location, gc.Equals, expectedTarget)
}