mirror of
https://github.com/moby/moby.git
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274 lines
9.3 KiB
Go
274 lines
9.3 KiB
Go
package main
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import (
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"fmt"
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"os/exec"
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"strings"
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"time"
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"github.com/go-check/check"
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)
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// Regression test for https://github.com/docker/docker/issues/7843
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func (s *DockerSuite) TestStartAttachReturnsOnError(c *check.C) {
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dockerCmd(c, "run", "-d", "--name", "test", "busybox")
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dockerCmd(c, "wait", "test")
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// Expect this to fail because the above container is stopped, this is what we want
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if _, err := runCommand(exec.Command(dockerBinary, "run", "-d", "--name", "test2", "--link", "test:test", "busybox")); err == nil {
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c.Fatal("Expected error but got none")
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}
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ch := make(chan error)
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go func() {
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// Attempt to start attached to the container that won't start
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// This should return an error immediately since the container can't be started
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if _, err := runCommand(exec.Command(dockerBinary, "start", "-a", "test2")); err == nil {
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ch <- fmt.Errorf("Expected error but got none")
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}
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close(ch)
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}()
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select {
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case err := <-ch:
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c.Assert(err, check.IsNil)
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case <-time.After(time.Second):
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c.Fatalf("Attach did not exit properly")
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}
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}
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// gh#8555: Exit code should be passed through when using start -a
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func (s *DockerSuite) TestStartAttachCorrectExitCode(c *check.C) {
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runCmd := exec.Command(dockerBinary, "run", "-d", "busybox", "sh", "-c", "sleep 2; exit 1")
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out, _, _, err := runCommandWithStdoutStderr(runCmd)
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if err != nil {
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c.Fatalf("failed to run container: %v, output: %q", err, out)
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}
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out = strings.TrimSpace(out)
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// make sure the container has exited before trying the "start -a"
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waitCmd := exec.Command(dockerBinary, "wait", out)
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if _, _, err = runCommandWithOutput(waitCmd); err != nil {
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c.Fatalf("Failed to wait on container: %v", err)
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}
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startCmd := exec.Command(dockerBinary, "start", "-a", out)
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startOut, exitCode, err := runCommandWithOutput(startCmd)
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if err != nil && !strings.Contains("exit status 1", fmt.Sprintf("%s", err)) {
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c.Fatalf("start command failed unexpectedly with error: %v, output: %q", err, startOut)
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}
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if exitCode != 1 {
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c.Fatalf("start -a did not respond with proper exit code: expected 1, got %d", exitCode)
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}
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}
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func (s *DockerSuite) TestStartAttachSilent(c *check.C) {
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name := "teststartattachcorrectexitcode"
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runCmd := exec.Command(dockerBinary, "run", "--name", name, "busybox", "echo", "test")
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out, _, _, err := runCommandWithStdoutStderr(runCmd)
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if err != nil {
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c.Fatalf("failed to run container: %v, output: %q", err, out)
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}
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// make sure the container has exited before trying the "start -a"
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waitCmd := exec.Command(dockerBinary, "wait", name)
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if _, _, err = runCommandWithOutput(waitCmd); err != nil {
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c.Fatalf("wait command failed with error: %v", err)
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}
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startCmd := exec.Command(dockerBinary, "start", "-a", name)
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startOut, _, err := runCommandWithOutput(startCmd)
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if err != nil {
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c.Fatalf("start command failed unexpectedly with error: %v, output: %q", err, startOut)
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}
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if expected := "test\n"; startOut != expected {
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c.Fatalf("start -a produced unexpected output: expected %q, got %q", expected, startOut)
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}
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}
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func (s *DockerSuite) TestStartRecordError(c *check.C) {
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// when container runs successfully, we should not have state.Error
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dockerCmd(c, "run", "-d", "-p", "9999:9999", "--name", "test", "busybox", "top")
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stateErr, err := inspectField("test", "State.Error")
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if err != nil {
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c.Fatalf("Failed to inspect %q state's error, got error %q", "test", err)
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}
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if stateErr != "" {
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c.Fatalf("Expected to not have state error but got state.Error(%q)", stateErr)
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}
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// Expect this to fail and records error because of ports conflict
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out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "-d", "--name", "test2", "-p", "9999:9999", "busybox", "top"))
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if err == nil {
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c.Fatalf("Expected error but got none, output %q", out)
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}
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stateErr, err = inspectField("test2", "State.Error")
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if err != nil {
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c.Fatalf("Failed to inspect %q state's error, got error %q", "test2", err)
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}
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expected := "port is already allocated"
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if stateErr == "" || !strings.Contains(stateErr, expected) {
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c.Fatalf("State.Error(%q) does not include %q", stateErr, expected)
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}
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// Expect the conflict to be resolved when we stop the initial container
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dockerCmd(c, "stop", "test")
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dockerCmd(c, "start", "test2")
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stateErr, err = inspectField("test2", "State.Error")
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if err != nil {
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c.Fatalf("Failed to inspect %q state's error, got error %q", "test", err)
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}
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if stateErr != "" {
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c.Fatalf("Expected to not have state error but got state.Error(%q)", stateErr)
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}
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}
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// gh#8726: a failed Start() breaks --volumes-from on subsequent Start()'s
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func (s *DockerSuite) TestStartVolumesFromFailsCleanly(c *check.C) {
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// Create the first data volume
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dockerCmd(c, "run", "-d", "--name", "data_before", "-v", "/foo", "busybox")
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// Expect this to fail because the data test after contaienr doesn't exist yet
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if _, err := runCommand(exec.Command(dockerBinary, "run", "-d", "--name", "consumer", "--volumes-from", "data_before", "--volumes-from", "data_after", "busybox")); err == nil {
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c.Fatal("Expected error but got none")
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}
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// Create the second data volume
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dockerCmd(c, "run", "-d", "--name", "data_after", "-v", "/bar", "busybox")
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// Now, all the volumes should be there
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dockerCmd(c, "start", "consumer")
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// Check that we have the volumes we want
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out, _ := dockerCmd(c, "inspect", "--format='{{ len .Volumes }}'", "consumer")
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nVolumes := strings.Trim(out, " \r\n'")
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if nVolumes != "2" {
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c.Fatalf("Missing volumes: expected 2, got %s", nVolumes)
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}
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}
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func (s *DockerSuite) TestStartPausedContainer(c *check.C) {
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defer unpauseAllContainers()
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runCmd := exec.Command(dockerBinary, "run", "-d", "--name", "testing", "busybox", "top")
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if out, _, err := runCommandWithOutput(runCmd); err != nil {
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c.Fatal(out, err)
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}
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runCmd = exec.Command(dockerBinary, "pause", "testing")
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if out, _, err := runCommandWithOutput(runCmd); err != nil {
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c.Fatal(out, err)
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}
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runCmd = exec.Command(dockerBinary, "start", "testing")
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if out, _, err := runCommandWithOutput(runCmd); err == nil || !strings.Contains(out, "Cannot start a paused container, try unpause instead.") {
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c.Fatalf("an error should have been shown that you cannot start paused container: %s\n%v", out, err)
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}
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}
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func (s *DockerSuite) TestStartMultipleContainers(c *check.C) {
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// run a container named 'parent' and create two container link to `parent`
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cmd := exec.Command(dockerBinary, "run", "-d", "--name", "parent", "busybox", "top")
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if out, _, err := runCommandWithOutput(cmd); err != nil {
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c.Fatal(out, err)
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}
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for _, container := range []string{"child_first", "child_second"} {
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cmd = exec.Command(dockerBinary, "create", "--name", container, "--link", "parent:parent", "busybox", "top")
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if out, _, err := runCommandWithOutput(cmd); err != nil {
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c.Fatal(out, err)
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}
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}
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// stop 'parent' container
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cmd = exec.Command(dockerBinary, "stop", "parent")
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if out, _, err := runCommandWithOutput(cmd); err != nil {
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c.Fatal(out, err)
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}
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cmd = exec.Command(dockerBinary, "inspect", "-f", "{{.State.Running}}", "parent")
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out, _, err := runCommandWithOutput(cmd)
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if err != nil {
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c.Fatal(out, err)
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}
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out = strings.Trim(out, "\r\n")
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if out != "false" {
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c.Fatal("Container should be stopped")
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}
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// start all the three containers, container `child_first` start first which should be failed
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// container 'parent' start second and then start container 'child_second'
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cmd = exec.Command(dockerBinary, "start", "child_first", "parent", "child_second")
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out, _, err = runCommandWithOutput(cmd)
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if !strings.Contains(out, "Cannot start container child_first") || err == nil {
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c.Fatal("Expected error but got none")
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}
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for container, expected := range map[string]string{"parent": "true", "child_first": "false", "child_second": "true"} {
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cmd = exec.Command(dockerBinary, "inspect", "-f", "{{.State.Running}}", container)
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out, _, err = runCommandWithOutput(cmd)
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if err != nil {
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c.Fatal(out, err)
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}
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out = strings.Trim(out, "\r\n")
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if out != expected {
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c.Fatal("Container running state wrong")
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}
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}
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}
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func (s *DockerSuite) TestStartAttachMultipleContainers(c *check.C) {
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var cmd *exec.Cmd
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// run multiple containers to test
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for _, container := range []string{"test1", "test2", "test3"} {
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cmd = exec.Command(dockerBinary, "run", "-d", "--name", container, "busybox", "top")
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if out, _, err := runCommandWithOutput(cmd); err != nil {
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c.Fatal(out, err)
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}
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}
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// stop all the containers
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for _, container := range []string{"test1", "test2", "test3"} {
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cmd = exec.Command(dockerBinary, "stop", container)
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if out, _, err := runCommandWithOutput(cmd); err != nil {
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c.Fatal(out, err)
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}
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}
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// test start and attach multiple containers at once, expected error
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for _, option := range []string{"-a", "-i", "-ai"} {
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cmd = exec.Command(dockerBinary, "start", option, "test1", "test2", "test3")
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out, _, err := runCommandWithOutput(cmd)
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if !strings.Contains(out, "You cannot start and attach multiple containers at once.") || err == nil {
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c.Fatal("Expected error but got none")
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}
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}
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// confirm the state of all the containers be stopped
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for container, expected := range map[string]string{"test1": "false", "test2": "false", "test3": "false"} {
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cmd = exec.Command(dockerBinary, "inspect", "-f", "{{.State.Running}}", container)
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out, _, err := runCommandWithOutput(cmd)
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if err != nil {
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c.Fatal(out, err)
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}
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out = strings.Trim(out, "\r\n")
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if out != expected {
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c.Fatal("Container running state wrong")
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}
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}
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}
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