File: docker_cli_commit_test.go

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package main

import (
	"strings"

	"github.com/docker/docker/pkg/integration/checker"
	"gopkg.in/check.v1"
)

func (s *DockerSuite) TestCommitAfterContainerIsDone(c *check.C) {
	testRequires(c, DaemonIsLinux)
	out, _ := dockerCmd(c, "run", "-i", "-a", "stdin", "busybox", "echo", "foo")

	cleanedContainerID := strings.TrimSpace(out)

	dockerCmd(c, "wait", cleanedContainerID)

	out, _ = dockerCmd(c, "commit", cleanedContainerID)

	cleanedImageID := strings.TrimSpace(out)

	dockerCmd(c, "inspect", cleanedImageID)
}

func (s *DockerSuite) TestCommitWithoutPause(c *check.C) {
	testRequires(c, DaemonIsLinux)
	out, _ := dockerCmd(c, "run", "-i", "-a", "stdin", "busybox", "echo", "foo")

	cleanedContainerID := strings.TrimSpace(out)

	dockerCmd(c, "wait", cleanedContainerID)

	out, _ = dockerCmd(c, "commit", "-p=false", cleanedContainerID)

	cleanedImageID := strings.TrimSpace(out)

	dockerCmd(c, "inspect", cleanedImageID)
}

//test commit a paused container should not unpause it after commit
func (s *DockerSuite) TestCommitPausedContainer(c *check.C) {
	testRequires(c, DaemonIsLinux)
	defer unpauseAllContainers()
	out, _ := dockerCmd(c, "run", "-i", "-d", "busybox")

	cleanedContainerID := strings.TrimSpace(out)

	dockerCmd(c, "pause", cleanedContainerID)

	out, _ = dockerCmd(c, "commit", cleanedContainerID)

	out = inspectField(c, cleanedContainerID, "State.Paused")
	// commit should not unpause a paused container
	c.Assert(out, checker.Contains, "true")
}

func (s *DockerSuite) TestCommitNewFile(c *check.C) {
	testRequires(c, DaemonIsLinux)
	dockerCmd(c, "run", "--name", "commiter", "busybox", "/bin/sh", "-c", "echo koye > /foo")

	imageID, _ := dockerCmd(c, "commit", "commiter")
	imageID = strings.TrimSpace(imageID)

	out, _ := dockerCmd(c, "run", imageID, "cat", "/foo")
	actual := strings.TrimSpace(out)
	c.Assert(actual, checker.Equals, "koye")
}

func (s *DockerSuite) TestCommitHardlink(c *check.C) {
	testRequires(c, DaemonIsLinux)
	firstOutput, _ := dockerCmd(c, "run", "-t", "--name", "hardlinks", "busybox", "sh", "-c", "touch file1 && ln file1 file2 && ls -di file1 file2")

	chunks := strings.Split(strings.TrimSpace(firstOutput), " ")
	inode := chunks[0]
	chunks = strings.SplitAfterN(strings.TrimSpace(firstOutput), " ", 2)
	c.Assert(chunks[1], checker.Contains, chunks[0], check.Commentf("Failed to create hardlink in a container. Expected to find %q in %q", inode, chunks[1:]))

	imageID, _ := dockerCmd(c, "commit", "hardlinks", "hardlinks")
	imageID = strings.TrimSpace(imageID)

	secondOutput, _ := dockerCmd(c, "run", "-t", "hardlinks", "ls", "-di", "file1", "file2")

	chunks = strings.Split(strings.TrimSpace(secondOutput), " ")
	inode = chunks[0]
	chunks = strings.SplitAfterN(strings.TrimSpace(secondOutput), " ", 2)
	c.Assert(chunks[1], checker.Contains, chunks[0], check.Commentf("Failed to create hardlink in a container. Expected to find %q in %q", inode, chunks[1:]))
}

func (s *DockerSuite) TestCommitTTY(c *check.C) {
	testRequires(c, DaemonIsLinux)
	dockerCmd(c, "run", "-t", "--name", "tty", "busybox", "/bin/ls")

	imageID, _ := dockerCmd(c, "commit", "tty", "ttytest")
	imageID = strings.TrimSpace(imageID)

	dockerCmd(c, "run", "ttytest", "/bin/ls")
}

func (s *DockerSuite) TestCommitWithHostBindMount(c *check.C) {
	testRequires(c, DaemonIsLinux)
	dockerCmd(c, "run", "--name", "bind-commit", "-v", "/dev/null:/winning", "busybox", "true")

	imageID, _ := dockerCmd(c, "commit", "bind-commit", "bindtest")
	imageID = strings.TrimSpace(imageID)

	dockerCmd(c, "run", "bindtest", "true")
}

func (s *DockerSuite) TestCommitChange(c *check.C) {
	testRequires(c, DaemonIsLinux)
	dockerCmd(c, "run", "--name", "test", "busybox", "true")

	imageID, _ := dockerCmd(c, "commit",
		"--change", "EXPOSE 8080",
		"--change", "ENV DEBUG true",
		"--change", "ENV test 1",
		"--change", "ENV PATH /foo",
		"--change", "LABEL foo bar",
		"--change", "CMD [\"/bin/sh\"]",
		"--change", "WORKDIR /opt",
		"--change", "ENTRYPOINT [\"/bin/sh\"]",
		"--change", "USER testuser",
		"--change", "VOLUME /var/lib/docker",
		"--change", "ONBUILD /usr/local/bin/python-build --dir /app/src",
		"test", "test-commit")
	imageID = strings.TrimSpace(imageID)

	expected := map[string]string{
		"Config.ExposedPorts": "map[8080/tcp:{}]",
		"Config.Env":          "[DEBUG=true test=1 PATH=/foo]",
		"Config.Labels":       "map[foo:bar]",
		"Config.Cmd":          "[/bin/sh]",
		"Config.WorkingDir":   "/opt",
		"Config.Entrypoint":   "[/bin/sh]",
		"Config.User":         "testuser",
		"Config.Volumes":      "map[/var/lib/docker:{}]",
		"Config.OnBuild":      "[/usr/local/bin/python-build --dir /app/src]",
	}

	for conf, value := range expected {
		res := inspectField(c, imageID, conf)
		if res != value {
			c.Errorf("%s('%s'), expected %s", conf, res, value)
		}
	}
}

// TODO: commit --run is deprecated, remove this once --run is removed
func (s *DockerSuite) TestCommitMergeConfigRun(c *check.C) {
	testRequires(c, DaemonIsLinux)
	name := "commit-test"
	out, _ := dockerCmd(c, "run", "-d", "-e=FOO=bar", "busybox", "/bin/sh", "-c", "echo testing > /tmp/foo")
	id := strings.TrimSpace(out)

	dockerCmd(c, "commit", `--run={"Cmd": ["cat", "/tmp/foo"]}`, id, "commit-test")

	out, _ = dockerCmd(c, "run", "--name", name, "commit-test")
	//run config in committed container was not merged
	c.Assert(strings.TrimSpace(out), checker.Equals, "testing")

	type cfg struct {
		Env []string
		Cmd []string
	}
	config1 := cfg{}
	inspectFieldAndMarshall(c, id, "Config", &config1)

	config2 := cfg{}
	inspectFieldAndMarshall(c, name, "Config", &config2)

	// Env has at least PATH loaded as well here, so let's just grab the FOO one
	var env1, env2 string
	for _, e := range config1.Env {
		if strings.HasPrefix(e, "FOO") {
			env1 = e
			break
		}
	}
	for _, e := range config2.Env {
		if strings.HasPrefix(e, "FOO") {
			env2 = e
			break
		}
	}

	if len(config1.Env) != len(config2.Env) || env1 != env2 && env2 != "" {
		c.Fatalf("expected envs to match: %v - %v", config1.Env, config2.Env)
	}
}