Golang runconfig.Parse函數代碼示例

func TestGetAllChildren(t *testing.T) {
	eng := NewTestEngine(t)
	daemon := mkDaemonFromEngine(eng, t)
	defer nuke(daemon)

	config, _, _, err := runconfig.Parse([]string{unitTestImageID, "echo test"}, nil)
	if err != nil {
		t.Fatal(err)
	}

	container := daemon.Get(createNamedTestContainer(eng, config, t, "/webapp"))

	webapp, err := daemon.GetByName("/webapp")
	if err != nil {
		t.Fatal(err)
	}

	if webapp.ID != container.ID {
		t.Fatalf("Expect webapp id to match container id: %s != %s", webapp.ID, container.ID)
	}

	config, _, _, err = runconfig.Parse([]string{unitTestImageID, "echo test"}, nil)
	if err != nil {
		t.Fatal(err)
	}

	childContainer := daemon.Get(createTestContainer(eng, config, t))

	if err := daemon.RegisterLink(webapp, childContainer, "db"); err != nil {
		t.Fatal(err)
	}

	children, err := daemon.Children("/webapp")
	if err != nil {
		t.Fatal(err)
	}

	if children == nil {
		t.Fatal("Children should not be nil")
	}
	if len(children) == 0 {
		t.Fatal("Children should not be empty")
	}

	for key, value := range children {
		if key != "/webapp/db" {
			t.Fatalf("Expected /webapp/db got %s", key)
		}
		if value.ID != childContainer.ID {
			t.Fatalf("Expected id %s got %s", childContainer.ID, value.ID)
		}
	}
}

// Create a test container from the given daemon `r` and run arguments `args`.
// If the image name is "_", (eg. []string{"-i", "-t", "_", "bash"}, it is
// dynamically replaced by the current test image.
// The caller is responsible for destroying the container.
// Call t.Fatal() at the first error.
func mkContainer(r *daemon.Daemon, args []string, t *testing.T) (*daemon.Container, *runconfig.HostConfig, error) {
	config, hc, _, err := runconfig.Parse(args, nil)
	defer func() {
		if err != nil && t != nil {
			t.Fatal(err)
		}
	}()
	if err != nil {
		return nil, nil, err
	}
	if config.Image == "_" {
		config.Image = GetTestImage(r).ID
	}
	c, _, err := r.Create(config, "")
	if err != nil {
		return nil, nil, err
	}
	// NOTE: hostConfig is ignored.
	// If `args` specify privileged mode, custom lxc conf, external mount binds,
	// port redirects etc. they will be ignored.
	// This is because the correct way to set these things is to pass environment
	// to the `start` job.
	// FIXME: this helper function should be deprecated in favor of calling
	// `create` and `start` jobs directly.
	return c, hc, nil
}

// Test that creating a container with a volume doesn't crash. Regression test for #995.
func TestCreateVolume(t *testing.T) {
	eng := NewTestEngine(t)
	runtime := mkRuntimeFromEngine(eng, t)
	defer nuke(runtime)

	config, hc, _, err := runconfig.Parse([]string{"-v", "/var/lib/data", unitTestImageID, "echo", "hello", "world"}, nil)
	if err != nil {
		t.Fatal(err)
	}
	jobCreate := eng.Job("create")
	if err := jobCreate.ImportEnv(config); err != nil {
		t.Fatal(err)
	}
	var id string
	jobCreate.Stdout.AddString(&id)
	if err := jobCreate.Run(); err != nil {
		t.Fatal(err)
	}
	jobStart := eng.Job("start", id)
	if err := jobStart.ImportEnv(hc); err != nil {
		t.Fatal(err)
	}
	if err := jobStart.Run(); err != nil {
		t.Fatal(err)
	}
	// FIXME: this hack can be removed once Wait is a job
	c := runtime.Get(id)
	if c == nil {
		t.Fatalf("Couldn't retrieve container %s from runtime", id)
	}
	c.WaitTimeout(500 * time.Millisecond)
	c.Wait()
}

func (b *buildFile) CmdRun(args string) error {
	if b.image == "" {
		return fmt.Errorf("Please provide a source image with `from` prior to run")
	}
	config, _, _, err := runconfig.Parse(append([]string{b.image}, b.buildCmdFromJson(args)...), nil)
	if err != nil {
		return err
	}

	cmd := b.config.Cmd
	b.config.Cmd = nil
	runconfig.Merge(b.config, config)

	defer func(cmd []string) { b.config.Cmd = cmd }(cmd)

	utils.Debugf("Command to be executed: %v", b.config.Cmd)

	hit, err := b.probeCache()
	if err != nil {
		return err
	}
	if hit {
		return nil
	}

	cid, err := b.run()
	if err != nil {
		return err
	}
	if err := b.commit(cid, cmd, "run"); err != nil {
		return err
	}

	return nil
}

func TestCreateRmVolumes(t *testing.T) {
	eng := NewTestEngine(t)
	defer mkRuntimeFromEngine(eng, t).Nuke()

	config, hostConfig, _, err := runconfig.Parse([]string{"-v", "/srv", unitTestImageID, "echo", "test"}, nil)
	if err != nil {
		t.Fatal(err)
	}

	id := createTestContainer(eng, config, t)

	job := eng.Job("containers")
	job.SetenvBool("all", true)
	outs, err := job.Stdout.AddListTable()
	if err != nil {
		t.Fatal(err)
	}
	if err := job.Run(); err != nil {
		t.Fatal(err)
	}

	if len(outs.Data) != 1 {
		t.Errorf("Expected 1 container, %v found", len(outs.Data))
	}

	job = eng.Job("start", id)
	if err := job.ImportEnv(hostConfig); err != nil {
		t.Fatal(err)
	}
	if err := job.Run(); err != nil {
		t.Fatal(err)
	}

	job = eng.Job("stop", id)
	job.SetenvInt("t", 1)
	if err := job.Run(); err != nil {
		t.Fatal(err)
	}

	job = eng.Job("container_delete", id)
	job.SetenvBool("removeVolume", true)
	if err := job.Run(); err != nil {
		t.Fatal(err)
	}

	job = eng.Job("containers")
	job.SetenvBool("all", true)
	outs, err = job.Stdout.AddListTable()
	if err != nil {
		t.Fatal(err)
	}
	if err := job.Run(); err != nil {
		t.Fatal(err)
	}

	if len(outs.Data) != 0 {
		t.Errorf("Expected 0 container, %v found", len(outs.Data))
	}
}

func TestMergeConfigOnCommit(t *testing.T) {
	eng := NewTestEngine(t)
	runtime := mkRuntimeFromEngine(eng, t)
	defer runtime.Nuke()

	container1, _, _ := mkContainer(runtime, []string{"-e", "FOO=bar", unitTestImageID, "echo test > /tmp/foo"}, t)
	defer runtime.Destroy(container1)

	config, _, _, err := runconfig.Parse([]string{container1.ID, "cat /tmp/foo"}, nil)
	if err != nil {
		t.Error(err)
	}

	job := eng.Job("commit", container1.ID)
	job.Setenv("repo", "testrepo")
	job.Setenv("tag", "testtag")
	job.SetenvJson("config", config)
	var newId string
	job.Stdout.AddString(&newId)
	if err := job.Run(); err != nil {
		t.Error(err)
	}

	container2, _, _ := mkContainer(runtime, []string{newId}, t)
	defer runtime.Destroy(container2)

	job = eng.Job("inspect", container1.Name, "container")
	baseContainer, _ := job.Stdout.AddEnv()
	if err := job.Run(); err != nil {
		t.Error(err)
	}

	job = eng.Job("inspect", container2.Name, "container")
	commitContainer, _ := job.Stdout.AddEnv()
	if err := job.Run(); err != nil {
		t.Error(err)
	}

	baseConfig := baseContainer.GetSubEnv("Config")
	commitConfig := commitContainer.GetSubEnv("Config")

	if commitConfig.Get("Env") != baseConfig.Get("Env") {
		t.Fatalf("Env config in committed container should be %v, was %v",
			baseConfig.Get("Env"), commitConfig.Get("Env"))
	}

	if baseConfig.Get("Cmd") != "[\"echo test \\u003e /tmp/foo\"]" {
		t.Fatalf("Cmd in base container should be [\"echo test \\u003e /tmp/foo\"], was %s",
			baseConfig.Get("Cmd"))
	}

	if commitConfig.Get("Cmd") != "[\"cat /tmp/foo\"]" {
		t.Fatalf("Cmd in committed container should be [\"cat /tmp/foo\"], was %s",
			commitConfig.Get("Cmd"))
	}
}

func TestEnv(t *testing.T) {
	os.Setenv("TRUE", "false")
	os.Setenv("TRICKY", "tri\ncky\n")
	runtime := mkRuntime(t)
	defer nuke(runtime)
	config, _, _, err := runconfig.Parse([]string{"-e=FALSE=true", "-e=TRUE", "-e=TRICKY", GetTestImage(runtime).ID, "env"}, nil)
	if err != nil {
		t.Fatal(err)
	}
	container, _, err := runtime.Create(config, "")
	if err != nil {
		t.Fatal(err)
	}
	defer runtime.Destroy(container)

	stdout, err := container.StdoutPipe()
	if err != nil {
		t.Fatal(err)
	}
	defer stdout.Close()
	if err := container.Start(); err != nil {
		t.Fatal(err)
	}
	container.Wait()
	output, err := ioutil.ReadAll(stdout)
	if err != nil {
		t.Fatal(err)
	}
	actualEnv := strings.Split(string(output), "\n")
	if actualEnv[len(actualEnv)-1] == "" {
		actualEnv = actualEnv[:len(actualEnv)-1]
	}
	sort.Strings(actualEnv)
	goodEnv := []string{
		"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
		"HOME=/",
		"container=lxc",
		"HOSTNAME=" + utils.TruncateID(container.ID),
		"FALSE=true",
		"TRUE=false",
		"TRICKY=tri",
		"cky",
		"",
	}
	sort.Strings(goodEnv)
	if len(goodEnv) != len(actualEnv) {
		t.Fatalf("Wrong environment: should be %d variables, not: '%s'\n", len(goodEnv), strings.Join(actualEnv, ", "))
	}
	for i := range goodEnv {
		if actualEnv[i] != goodEnv[i] {
			t.Fatalf("Wrong environment variable: should be %s, not %s", goodEnv[i], actualEnv[i])
		}
	}
}

func TestCreateNumberHostname(t *testing.T) {
	eng := NewTestEngine(t)
	defer mkDaemonFromEngine(eng, t).Nuke()

	config, _, _, err := runconfig.Parse([]string{"-h", "web.0", unitTestImageID, "echo test"}, nil)
	if err != nil {
		t.Fatal(err)
	}

	createTestContainer(eng, config, t)
}

func TestCreateNumberUsername(t *testing.T) {
	eng := NewTestEngine(t)
	defer mkRuntimeFromEngine(eng, t).Nuke()

	config, _, _, err := runconfig.Parse([]string{"-u", "1002", unitTestImageID, "echo test"}, nil)
	if err != nil {
		t.Fatal(err)
	}

	createTestContainer(eng, config, t)
}

func TestLinkChildContainer(t *testing.T) {
	eng := NewTestEngine(t)
	daemon := mkDaemonFromEngine(eng, t)
	defer nuke(daemon)

	config, _, _, err := runconfig.Parse([]string{unitTestImageID, "echo test"}, nil)
	if err != nil {
		t.Fatal(err)
	}

	container := daemon.Get(createNamedTestContainer(eng, config, t, "/webapp"))

	webapp, err := daemon.GetByName("/webapp")
	if err != nil {
		t.Fatal(err)
	}

	if webapp.ID != container.ID {
		t.Fatalf("Expect webapp id to match container id: %s != %s", webapp.ID, container.ID)
	}

	config, _, _, err = runconfig.Parse([]string{GetTestImage(daemon).ID, "echo test"}, nil)
	if err != nil {
		t.Fatal(err)
	}

	childContainer := daemon.Get(createTestContainer(eng, config, t))

	if err := daemon.RegisterLink(webapp, childContainer, "db"); err != nil {
		t.Fatal(err)
	}

	// Get the child by it's new name
	db, err := daemon.GetByName("/webapp/db")
	if err != nil {
		t.Fatal(err)
	}
	if db.ID != childContainer.ID {
		t.Fatalf("Expect db id to match container id: %s != %s", db.ID, childContainer.ID)
	}
}

func TestOnlyLoopbackExistsWhenUsingDisableNetworkOption(t *testing.T) {
	eng := NewTestEngine(t)
	runtime := mkRuntimeFromEngine(eng, t)
	defer nuke(runtime)

	config, hc, _, err := runconfig.Parse([]string{"-n=false", GetTestImage(runtime).ID, "ip", "addr", "show"}, nil)
	if err != nil {
		t.Fatal(err)
	}

	jobCreate := eng.Job("create")
	if err := jobCreate.ImportEnv(config); err != nil {
		t.Fatal(err)
	}
	var id string
	jobCreate.Stdout.AddString(&id)
	if err := jobCreate.Run(); err != nil {
		t.Fatal(err)
	}
	// FIXME: this hack can be removed once Wait is a job
	c := runtime.Get(id)
	if c == nil {
		t.Fatalf("Couldn't retrieve container %s from runtime", id)
	}
	stdout, err := c.StdoutPipe()
	if err != nil {
		t.Fatal(err)
	}

	jobStart := eng.Job("start", id)
	if err := jobStart.ImportEnv(hc); err != nil {
		t.Fatal(err)
	}
	if err := jobStart.Run(); err != nil {
		t.Fatal(err)
	}

	c.WaitTimeout(500 * time.Millisecond)
	c.Wait()
	output, err := ioutil.ReadAll(stdout)
	if err != nil {
		t.Fatal(err)
	}

	interfaces := regexp.MustCompile(`(?m)^[0-9]+: [a-zA-Z0-9]+`).FindAllString(string(output), -1)
	if len(interfaces) != 1 {
		t.Fatalf("Wrong interface count in test container: expected [*: lo], got %s", interfaces)
	}
	if !strings.HasSuffix(interfaces[0], ": lo") {
		t.Fatalf("Wrong interface in test container: expected [*: lo], got %s", interfaces)
	}
}

// Regression test for being able to untag an image with an existing
// container
func TestDeleteTagWithExistingContainers(t *testing.T) {
	eng := NewTestEngine(t)
	defer nuke(mkRuntimeFromEngine(eng, t))

	srv := mkServerFromEngine(eng, t)

	// Tag the image
	if err := eng.Job("tag", unitTestImageID, "utest", "tag1").Run(); err != nil {
		t.Fatal(err)
	}

	// Create a container from the image
	config, _, _, err := runconfig.Parse([]string{unitTestImageID, "echo test"}, nil)
	if err != nil {
		t.Fatal(err)
	}

	id := createNamedTestContainer(eng, config, t, "testingtags")
	if id == "" {
		t.Fatal("No id returned")
	}

	job := srv.Eng.Job("containers")
	job.SetenvBool("all", true)
	outs, err := job.Stdout.AddListTable()
	if err != nil {
		t.Fatal(err)
	}
	if err := job.Run(); err != nil {
		t.Fatal(err)
	}

	if len(outs.Data) != 1 {
		t.Fatalf("Expected 1 container got %d", len(outs.Data))
	}

	// Try to remove the tag
	imgs := engine.NewTable("", 0)
	if err := srv.DeleteImage("utest:tag1", imgs, true, false, false); err != nil {
		t.Fatal(err)
	}

	if len(imgs.Data) != 1 {
		t.Fatalf("Should only have deleted one untag %d", len(imgs.Data))
	}

	if untag := imgs.Data[0].Get("Untagged"); untag != "utest:tag1" {
		t.Fatalf("Expected %s got %s", unitTestImageID, untag)
	}
}

func TestContainerNameValidation(t *testing.T) {
	eng := NewTestEngine(t)
	daemon := mkDaemonFromEngine(eng, t)
	defer nuke(daemon)

	for _, test := range []struct {
		Name  string
		Valid bool
	}{
		{"abc-123_AAA.1", true},
		{"\000asdf", false},
	} {
		config, _, _, err := runconfig.Parse([]string{unitTestImageID, "echo test"}, nil)
		if err != nil {
			if !test.Valid {
				continue
			}
			t.Fatal(err)
		}

		var shortID string
		job := eng.Job("create", test.Name)
		if err := job.ImportEnv(config); err != nil {
			t.Fatal(err)
		}
		job.Stdout.AddString(&shortID)
		if err := job.Run(); err != nil {
			if !test.Valid {
				continue
			}
			t.Fatal(err)
		}

		container := daemon.Get(shortID)

		if container.Name != "/"+test.Name {
			t.Fatalf("Expect /%s got %s", test.Name, container.Name)
		}

		if c := daemon.Get("/" + test.Name); c == nil {
			t.Fatalf("Couldn't retrieve test container as /%s", test.Name)
		} else if c.ID != container.ID {
			t.Fatalf("Container /%s has ID %s instead of %s", test.Name, c.ID, container.ID)
		}
	}

}

func (b *buildFile) CmdRun(args string) error {
	if b.image == "" {
		return fmt.Errorf("Please provide a source image with `from` prior to run")
	}
	config, _, _, err := runconfig.Parse(append([]string{b.image}, b.buildCmdFromJson(args)...), nil)
	if err != nil {
		return err
	}

	cmd := b.config.Cmd
	b.config.Cmd = nil
	runconfig.Merge(b.config, config)

	defer func(cmd []string) { b.config.Cmd = cmd }(cmd)

	utils.Debugf("Command to be executed: %v", b.config.Cmd)

	hit, err := b.probeCache()
	if err != nil {
		return err
	}
	if hit {
		return nil
	}

	c, err := b.create()
	if err != nil {
		return err
	}
	// Ensure that we keep the container mounted until the commit
	// to avoid unmounting and then mounting directly again
	c.Mount()
	defer c.Unmount()

	err = b.run(c)
	if err != nil {
		return err
	}
	if err := b.commit(c.ID, cmd, "run"); err != nil {
		return err
	}

	return nil
}

func TestCommit(t *testing.T) {
	eng := NewTestEngine(t)
	defer mkRuntimeFromEngine(eng, t).Nuke()

	config, _, _, err := runconfig.Parse([]string{unitTestImageID, "/bin/cat"}, nil)
	if err != nil {
		t.Fatal(err)
	}

	id := createTestContainer(eng, config, t)

	job := eng.Job("commit", id)
	job.Setenv("repo", "testrepo")
	job.Setenv("tag", "testtag")
	job.SetenvJson("config", config)
	if err := job.Run(); err != nil {
		t.Fatal(err)
	}
}