package main import ( "encoding/json" "fmt" "os/exec" "strconv" "strings" "time" "github.com/docker/docker/pkg/integration/checker" "github.com/docker/engine-api/types" "github.com/docker/engine-api/types/container" "github.com/go-check/check" ) func checkValidGraphDriver(c *check.C, name string) { if name != "devicemapper" && name != "overlay" && name != "vfs" && name != "zfs" && name != "btrfs" && name != "aufs" { c.Fatalf("%v is not a valid graph driver name", name) } } func (s *DockerSuite) TestInspectImage(c *check.C) { testRequires(c, DaemonIsLinux) imageTest := "emptyfs" // It is important that this ID remain stable. If a code change causes // it to be different, this is equivalent to a cache bust when pulling // a legacy-format manifest. If the check at the end of this function // fails, fix the difference in the image serialization instead of // updating this hash. imageTestID := "sha256:11f64303f0f7ffdc71f001788132bca5346831939a956e3e975c93267d89a16d" id := inspectField(c, imageTest, "Id") c.Assert(id, checker.Equals, imageTestID) } func (s *DockerSuite) TestInspectInt64(c *check.C) { testRequires(c, DaemonIsLinux) dockerCmd(c, "run", "-d", "-m=300M", "--name", "inspectTest", "busybox", "true") inspectOut := inspectField(c, "inspectTest", "HostConfig.Memory") c.Assert(inspectOut, checker.Equals, "314572800") } func (s *DockerSuite) TestInspectDefault(c *check.C) { testRequires(c, DaemonIsLinux) //Both the container and image are named busybox. docker inspect will fetch the container JSON. //If the container JSON is not available, it will go for the image JSON. out, _ := dockerCmd(c, "run", "--name=busybox", "-d", "busybox", "true") containerID := strings.TrimSpace(out) inspectOut := inspectField(c, "busybox", "Id") c.Assert(strings.TrimSpace(inspectOut), checker.Equals, containerID) } func (s *DockerSuite) TestInspectStatus(c *check.C) { defer unpauseAllContainers() testRequires(c, DaemonIsLinux) out, _ := dockerCmd(c, "run", "-d", "busybox", "top") out = strings.TrimSpace(out) inspectOut := inspectField(c, out, "State.Status") c.Assert(inspectOut, checker.Equals, "running") dockerCmd(c, "pause", out) inspectOut = inspectField(c, out, "State.Status") c.Assert(inspectOut, checker.Equals, "paused") dockerCmd(c, "unpause", out) inspectOut = inspectField(c, out, "State.Status") c.Assert(inspectOut, checker.Equals, "running") dockerCmd(c, "stop", out) inspectOut = inspectField(c, out, "State.Status") c.Assert(inspectOut, checker.Equals, "exited") } func (s *DockerSuite) TestInspectTypeFlagContainer(c *check.C) { testRequires(c, DaemonIsLinux) //Both the container and image are named busybox. docker inspect will fetch container //JSON State.Running field. If the field is true, it's a container. dockerCmd(c, "run", "--name=busybox", "-d", "busybox", "top") formatStr := "--format='{{.State.Running}}'" out, _ := dockerCmd(c, "inspect", "--type=container", formatStr, "busybox") c.Assert(out, checker.Equals, "true\n") // not a container JSON } func (s *DockerSuite) TestInspectTypeFlagWithNoContainer(c *check.C) { testRequires(c, DaemonIsLinux) //Run this test on an image named busybox. docker inspect will try to fetch container //JSON. Since there is no container named busybox and --type=container, docker inspect will //not try to get the image JSON. It will throw an error. dockerCmd(c, "run", "-d", "busybox", "true") _, _, err := dockerCmdWithError("inspect", "--type=container", "busybox") // docker inspect should fail, as there is no container named busybox c.Assert(err, checker.NotNil) } func (s *DockerSuite) TestInspectTypeFlagWithImage(c *check.C) { testRequires(c, DaemonIsLinux) //Both the container and image are named busybox. docker inspect will fetch image //JSON as --type=image. if there is no image with name busybox, docker inspect //will throw an error. dockerCmd(c, "run", "--name=busybox", "-d", "busybox", "true") out, _ := dockerCmd(c, "inspect", "--type=image", "busybox") c.Assert(out, checker.Not(checker.Contains), "State") // not an image JSON } func (s *DockerSuite) TestInspectTypeFlagWithInvalidValue(c *check.C) { testRequires(c, DaemonIsLinux) //Both the container and image are named busybox. docker inspect will fail //as --type=foobar is not a valid value for the flag. dockerCmd(c, "run", "--name=busybox", "-d", "busybox", "true") out, exitCode, err := dockerCmdWithError("inspect", "--type=foobar", "busybox") c.Assert(err, checker.NotNil, check.Commentf("%s", exitCode)) c.Assert(exitCode, checker.Equals, 1, check.Commentf("%s", err)) c.Assert(out, checker.Contains, "not a valid value for --type") } func (s *DockerSuite) TestInspectImageFilterInt(c *check.C) { testRequires(c, DaemonIsLinux) imageTest := "emptyfs" out := inspectField(c, imageTest, "Size") size, err := strconv.Atoi(out) c.Assert(err, checker.IsNil, check.Commentf("failed to inspect size of the image: %s, %v", out, err)) //now see if the size turns out to be the same formatStr := fmt.Sprintf("--format='{{eq .Size %d}}'", size) out, _ = dockerCmd(c, "inspect", formatStr, imageTest) result, err := strconv.ParseBool(strings.TrimSuffix(out, "\n")) c.Assert(err, checker.IsNil) c.Assert(result, checker.Equals, true) } func (s *DockerSuite) TestInspectContainerFilterInt(c *check.C) { testRequires(c, DaemonIsLinux) runCmd := exec.Command(dockerBinary, "run", "-i", "-a", "stdin", "busybox", "cat") runCmd.Stdin = strings.NewReader("blahblah") out, _, _, err := runCommandWithStdoutStderr(runCmd) c.Assert(err, checker.IsNil, check.Commentf("failed to run container: %v, output: %q", err, out)) id := strings.TrimSpace(out) out = inspectField(c, id, "State.ExitCode") exitCode, err := strconv.Atoi(out) c.Assert(err, checker.IsNil, check.Commentf("failed to inspect exitcode of the container: %s, %v", out, err)) //now get the exit code to verify formatStr := fmt.Sprintf("--format='{{eq .State.ExitCode %d}}'", exitCode) out, _ = dockerCmd(c, "inspect", formatStr, id) result, err := strconv.ParseBool(strings.TrimSuffix(out, "\n")) c.Assert(err, checker.IsNil) c.Assert(result, checker.Equals, true) } func (s *DockerSuite) TestInspectImageGraphDriver(c *check.C) { testRequires(c, DaemonIsLinux, Devicemapper) imageTest := "emptyfs" name := inspectField(c, imageTest, "GraphDriver.Name") checkValidGraphDriver(c, name) deviceID := inspectField(c, imageTest, "GraphDriver.Data.DeviceId") _, err := strconv.Atoi(deviceID) c.Assert(err, checker.IsNil, check.Commentf("failed to inspect DeviceId of the image: %s, %v", deviceID, err)) deviceSize := inspectField(c, imageTest, "GraphDriver.Data.DeviceSize") _, err = strconv.ParseUint(deviceSize, 10, 64) c.Assert(err, checker.IsNil, check.Commentf("failed to inspect DeviceSize of the image: %s, %v", deviceSize, err)) } func (s *DockerSuite) TestInspectContainerGraphDriver(c *check.C) { testRequires(c, DaemonIsLinux, Devicemapper) out, _ := dockerCmd(c, "run", "-d", "busybox", "true") out = strings.TrimSpace(out) name := inspectField(c, out, "GraphDriver.Name") checkValidGraphDriver(c, name) imageDeviceID := inspectField(c, "busybox", "GraphDriver.Data.DeviceId") deviceID := inspectField(c, out, "GraphDriver.Data.DeviceId") c.Assert(imageDeviceID, checker.Not(checker.Equals), deviceID) _, err := strconv.Atoi(deviceID) c.Assert(err, checker.IsNil, check.Commentf("failed to inspect DeviceId of the image: %s, %v", deviceID, err)) deviceSize := inspectField(c, out, "GraphDriver.Data.DeviceSize") _, err = strconv.ParseUint(deviceSize, 10, 64) c.Assert(err, checker.IsNil, check.Commentf("failed to inspect DeviceSize of the image: %s, %v", deviceSize, err)) } func (s *DockerSuite) TestInspectBindMountPoint(c *check.C) { testRequires(c, DaemonIsLinux) dockerCmd(c, "run", "-d", "--name", "test", "-v", "/data:/data:ro,z", "busybox", "cat") vol := inspectFieldJSON(c, "test", "Mounts") var mp []types.MountPoint err := unmarshalJSON([]byte(vol), &mp) c.Assert(err, checker.IsNil) // check that there is only one mountpoint c.Assert(mp, check.HasLen, 1) m := mp[0] c.Assert(m.Name, checker.Equals, "") c.Assert(m.Driver, checker.Equals, "") c.Assert(m.Source, checker.Equals, "/data") c.Assert(m.Destination, checker.Equals, "/data") c.Assert(m.Mode, checker.Equals, "ro,z") c.Assert(m.RW, checker.Equals, false) } // #14947 func (s *DockerSuite) TestInspectTimesAsRFC3339Nano(c *check.C) { testRequires(c, DaemonIsLinux) out, _ := dockerCmd(c, "run", "-d", "busybox", "true") id := strings.TrimSpace(out) startedAt := inspectField(c, id, "State.StartedAt") finishedAt := inspectField(c, id, "State.FinishedAt") created := inspectField(c, id, "Created") _, err := time.Parse(time.RFC3339Nano, startedAt) c.Assert(err, checker.IsNil) _, err = time.Parse(time.RFC3339Nano, finishedAt) c.Assert(err, checker.IsNil) _, err = time.Parse(time.RFC3339Nano, created) c.Assert(err, checker.IsNil) created = inspectField(c, "busybox", "Created") _, err = time.Parse(time.RFC3339Nano, created) c.Assert(err, checker.IsNil) } // #15633 func (s *DockerSuite) TestInspectLogConfigNoType(c *check.C) { testRequires(c, DaemonIsLinux) dockerCmd(c, "create", "--name=test", "--log-opt", "max-file=42", "busybox") var logConfig container.LogConfig out := inspectFieldJSON(c, "test", "HostConfig.LogConfig") err := json.NewDecoder(strings.NewReader(out)).Decode(&logConfig) c.Assert(err, checker.IsNil, check.Commentf("%v", out)) c.Assert(logConfig.Type, checker.Equals, "json-file") c.Assert(logConfig.Config["max-file"], checker.Equals, "42", check.Commentf("%v", logConfig)) } func (s *DockerSuite) TestInspectNoSizeFlagContainer(c *check.C) { //Both the container and image are named busybox. docker inspect will fetch container //JSON SizeRw and SizeRootFs field. If there is no flag --size/-s, there are no size fields. runSleepingContainer(c, "--name=busybox", "-d") formatStr := "--format='{{.SizeRw}},{{.SizeRootFs}}'" out, _ := dockerCmd(c, "inspect", "--type=container", formatStr, "busybox") c.Assert(strings.TrimSpace(out), check.Equals, ",", check.Commentf("Exepcted not to display size info: %s", out)) } func (s *DockerSuite) TestInspectSizeFlagContainer(c *check.C) { runSleepingContainer(c, "--name=busybox", "-d") formatStr := "--format='{{.SizeRw}},{{.SizeRootFs}}'" out, _ := dockerCmd(c, "inspect", "-s", "--type=container", formatStr, "busybox") sz := strings.Split(out, ",") c.Assert(strings.TrimSpace(sz[0]), check.Not(check.Equals), "") c.Assert(strings.TrimSpace(sz[1]), check.Not(check.Equals), "") } func (s *DockerSuite) TestInspectSizeFlagImage(c *check.C) { runSleepingContainer(c, "-d") formatStr := "--format='{{.SizeRw}},{{.SizeRootFs}}'" out, _, err := dockerCmdWithError("inspect", "-s", "--type=image", formatStr, "busybox") // Template error rather than // This is a more correct behavior because images don't have sizes associated. c.Assert(err, check.Not(check.IsNil)) c.Assert(out, checker.Contains, "Template parsing error") } func (s *DockerSuite) TestInspectTemplateError(c *check.C) { // Template parsing error for both the container and image. runSleepingContainer(c, "--name=container1", "-d") out, _, err := dockerCmdWithError("inspect", "--type=container", "--format='Format container: {{.ThisDoesNotExist}}'", "container1") c.Assert(err, check.Not(check.IsNil)) c.Assert(out, checker.Contains, "Template parsing error") out, _, err = dockerCmdWithError("inspect", "--type=image", "--format='Format container: {{.ThisDoesNotExist}}'", "busybox") c.Assert(err, check.Not(check.IsNil)) c.Assert(out, checker.Contains, "Template parsing error") } func (s *DockerSuite) TestInspectJSONFields(c *check.C) { runSleepingContainer(c, "--name=busybox", "-d") out, _, err := dockerCmdWithError("inspect", "--type=container", "--format='{{.HostConfig.Dns}}'", "busybox") c.Assert(err, check.IsNil) c.Assert(out, checker.Equals, "[]\n") } func (s *DockerSuite) TestInspectByPrefix(c *check.C) { id := inspectField(c, "busybox", "Id") c.Assert(id, checker.HasPrefix, "sha256:") id2 := inspectField(c, id[:12], "Id") c.Assert(id, checker.Equals, id2) id3 := inspectField(c, strings.TrimPrefix(id, "sha256:")[:12], "Id") c.Assert(id, checker.Equals, id3) } func (s *DockerSuite) TestInspectStopWhenNotFound(c *check.C) { runSleepingContainer(c, "--name=busybox", "-d") runSleepingContainer(c, "--name=not-shown", "-d") out, _, err := dockerCmdWithError("inspect", "--type=container", "--format='{{.Name}}'", "busybox", "missing", "not-shown") c.Assert(err, checker.Not(check.IsNil)) c.Assert(out, checker.Contains, "busybox") c.Assert(out, checker.Not(checker.Contains), "not-shown") c.Assert(out, checker.Contains, "Error: No such container: missing") } func (s *DockerSuite) TestInspectHistory(c *check.C) { testRequires(c, DaemonIsLinux) dockerCmd(c, "run", "--name=testcont", "-d", "busybox", "top") dockerCmd(c, "commit", "-m", "test comment", "testcont", "testimg") out, _, err := dockerCmdWithError("inspect", "--format='{{.Comment}}'", "testimg") c.Assert(err, check.IsNil) c.Assert(out, checker.Contains, "test comment") } func (s *DockerSuite) TestInspectContainerNetworkDefault(c *check.C) { testRequires(c, DaemonIsLinux) contName := "test1" dockerCmd(c, "run", "--name", contName, "-d", "busybox", "top") netOut, _ := dockerCmd(c, "network", "inspect", "--format='{{.ID}}'", "bridge") out := inspectField(c, contName, "NetworkSettings.Networks") c.Assert(out, checker.Contains, "bridge") out = inspectField(c, contName, "NetworkSettings.Networks.bridge.NetworkID") c.Assert(strings.TrimSpace(out), checker.Equals, strings.TrimSpace(netOut)) } func (s *DockerSuite) TestInspectContainerNetworkCustom(c *check.C) { testRequires(c, DaemonIsLinux) netOut, _ := dockerCmd(c, "network", "create", "net1") dockerCmd(c, "run", "--name=container1", "--net=net1", "-d", "busybox", "top") out := inspectField(c, "container1", "NetworkSettings.Networks") c.Assert(out, checker.Contains, "net1") out = inspectField(c, "container1", "NetworkSettings.Networks.net1.NetworkID") c.Assert(strings.TrimSpace(out), checker.Equals, strings.TrimSpace(netOut)) } func (s *DockerSuite) TestInspectRootFS(c *check.C) { testRequires(c, DaemonIsLinux) out, _, err := dockerCmdWithError("inspect", "busybox") c.Assert(err, check.IsNil) var imageJSON []types.ImageInspect err = json.Unmarshal([]byte(out), &imageJSON) c.Assert(err, checker.IsNil) c.Assert(len(imageJSON[0].RootFS.Layers), checker.GreaterOrEqualThan, 1) }