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moby--moby/integration-cli/docker_cli_start_test.go

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package main
import (
"fmt"
"strings"
"time"
"github.com/go-check/check"
)
// Regression test for https://github.com/docker/docker/issues/7843
func (s *DockerSuite) TestStartAttachReturnsOnError(c *check.C) {
dockerCmd(c, "run", "-d", "--name", "test", "busybox")
dockerCmd(c, "wait", "test")
// Expect this to fail because the above container is stopped, this is what we want
if _, _, err := dockerCmdWithError("run", "-d", "--name", "test2", "--link", "test:test", "busybox"); err == nil {
c.Fatal("Expected error but got none")
}
ch := make(chan error)
go func() {
// Attempt to start attached to the container that won't start
// This should return an error immediately since the container can't be started
if _, _, err := dockerCmdWithError("start", "-a", "test2"); err == nil {
ch <- fmt.Errorf("Expected error but got none")
}
close(ch)
}()
select {
case err := <-ch:
c.Assert(err, check.IsNil)
case <-time.After(time.Second):
c.Fatalf("Attach did not exit properly")
}
}
// gh#8555: Exit code should be passed through when using start -a
func (s *DockerSuite) TestStartAttachCorrectExitCode(c *check.C) {
out, _, _ := dockerCmdWithStdoutStderr(c, "run", "-d", "busybox", "sh", "-c", "sleep 2; exit 1")
out = strings.TrimSpace(out)
// make sure the container has exited before trying the "start -a"
dockerCmd(c, "wait", out)
startOut, exitCode, err := dockerCmdWithError("start", "-a", out)
if err != nil && !strings.Contains("exit status 1", fmt.Sprintf("%s", err)) {
c.Fatalf("start command failed unexpectedly with error: %v, output: %q", err, startOut)
}
if exitCode != 1 {
c.Fatalf("start -a did not respond with proper exit code: expected 1, got %d", exitCode)
}
}
func (s *DockerSuite) TestStartAttachSilent(c *check.C) {
name := "teststartattachcorrectexitcode"
dockerCmd(c, "run", "--name", name, "busybox", "echo", "test")
// make sure the container has exited before trying the "start -a"
dockerCmd(c, "wait", name)
startOut, _ := dockerCmd(c, "start", "-a", name)
if expected := "test\n"; startOut != expected {
c.Fatalf("start -a produced unexpected output: expected %q, got %q", expected, startOut)
}
}
func (s *DockerSuite) TestStartRecordError(c *check.C) {
// when container runs successfully, we should not have state.Error
dockerCmd(c, "run", "-d", "-p", "9999:9999", "--name", "test", "busybox", "top")
stateErr, err := inspectField("test", "State.Error")
c.Assert(err, check.IsNil)
if stateErr != "" {
c.Fatalf("Expected to not have state error but got state.Error(%q)", stateErr)
}
// Expect this to fail and records error because of ports conflict
out, _, err := dockerCmdWithError("run", "-d", "--name", "test2", "-p", "9999:9999", "busybox", "top")
if err == nil {
c.Fatalf("Expected error but got none, output %q", out)
}
stateErr, err = inspectField("test2", "State.Error")
c.Assert(err, check.IsNil)
expected := "port is already allocated"
if stateErr == "" || !strings.Contains(stateErr, expected) {
c.Fatalf("State.Error(%q) does not include %q", stateErr, expected)
}
// Expect the conflict to be resolved when we stop the initial container
dockerCmd(c, "stop", "test")
dockerCmd(c, "start", "test2")
stateErr, err = inspectField("test2", "State.Error")
c.Assert(err, check.IsNil)
if stateErr != "" {
c.Fatalf("Expected to not have state error but got state.Error(%q)", stateErr)
}
}
func (s *DockerSuite) TestStartPausedContainer(c *check.C) {
defer unpauseAllContainers()
dockerCmd(c, "run", "-d", "--name", "testing", "busybox", "top")
dockerCmd(c, "pause", "testing")
if out, _, err := dockerCmdWithError("start", "testing"); err == nil || !strings.Contains(out, "Cannot start a paused container, try unpause instead.") {
c.Fatalf("an error should have been shown that you cannot start paused container: %s\n%v", out, err)
}
}
func (s *DockerSuite) TestStartMultipleContainers(c *check.C) {
// run a container named 'parent' and create two container link to `parent`
dockerCmd(c, "run", "-d", "--name", "parent", "busybox", "top")
for _, container := range []string{"child_first", "child_second"} {
dockerCmd(c, "create", "--name", container, "--link", "parent:parent", "busybox", "top")
}
// stop 'parent' container
dockerCmd(c, "stop", "parent")
out, err := inspectField("parent", "State.Running")
c.Assert(err, check.IsNil)
if out != "false" {
c.Fatal("Container should be stopped")
}
// start all the three containers, container `child_first` start first which should be failed
// container 'parent' start second and then start container 'child_second'
out, _, err = dockerCmdWithError("start", "child_first", "parent", "child_second")
if !strings.Contains(out, "Cannot start container child_first") || err == nil {
c.Fatal("Expected error but got none")
}
for container, expected := range map[string]string{"parent": "true", "child_first": "false", "child_second": "true"} {
out, err := inspectField(container, "State.Running")
c.Assert(err, check.IsNil)
if out != expected {
c.Fatal("Container running state wrong")
}
}
}
func (s *DockerSuite) TestStartAttachMultipleContainers(c *check.C) {
// run multiple containers to test
for _, container := range []string{"test1", "test2", "test3"} {
dockerCmd(c, "run", "-d", "--name", container, "busybox", "top")
}
// stop all the containers
for _, container := range []string{"test1", "test2", "test3"} {
dockerCmd(c, "stop", container)
}
// test start and attach multiple containers at once, expected error
for _, option := range []string{"-a", "-i", "-ai"} {
out, _, err := dockerCmdWithError("start", option, "test1", "test2", "test3")
if !strings.Contains(out, "You cannot start and attach multiple containers at once.") || err == nil {
c.Fatal("Expected error but got none")
}
}
// confirm the state of all the containers be stopped
for container, expected := range map[string]string{"test1": "false", "test2": "false", "test3": "false"} {
out, err := inspectField(container, "State.Running")
if err != nil {
c.Fatal(out, err)
}
if out != expected {
c.Fatal("Container running state wrong")
}
}
}