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package main
import (
"encoding/json"
"fmt"
"os/exec"
"strconv"
"strings"
"time"
"github.com/docker/docker/api/types"
"github.com/docker/docker/pkg/integration/checker"
"github.com/docker/docker/runconfig"
"github.com/go-check/check"
)
func (s *DockerSuite) TestInspectImage(c *check.C) {
testRequires(c, DaemonIsLinux)
imageTest := "emptyfs"
imageTestID := "511136ea3c5a64f264b78b5433614aec563103b4d4702f3ba7d4d2698e22c158"
id, err := inspectField(imageTest, "Id")
c.Assert(err, check.IsNil)
if id != imageTestID {
c.Fatalf("Expected id: %s for image: %s but received id: %s", imageTestID, imageTest, id)
}
}
func (s *DockerSuite) TestInspectInt64(c *check.C) {
testRequires(c, DaemonIsLinux)
dockerCmd(c, "run", "-d", "-m=300M", "--name", "inspectTest", "busybox", "true")
inspectOut, err := inspectField("inspectTest", "HostConfig.Memory")
c.Assert(err, check.IsNil)
if inspectOut != "314572800" {
c.Fatalf("inspect got wrong value, got: %q, expected: 314572800", inspectOut)
}
}
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.
dockerCmd(c, "run", "--name=busybox", "-d", "busybox", "true")
dockerCmd(c, "inspect", "busybox")
}
func (s *DockerSuite) TestInspectStatus(c *check.C) {
defer unpauseAllContainers()
testRequires(c, DaemonIsLinux)
out, _ := dockerCmd(c, "run", "-d", "busybox", "top")
out = strings.TrimSpace(out)
inspectOut, err := inspectField(out, "State.Status")
c.Assert(err, check.IsNil)
if inspectOut != "running" {
c.Fatalf("inspect got wrong status, got: %q, expected: running", inspectOut)
}
dockerCmd(c, "pause", out)
inspectOut, err = inspectField(out, "State.Status")
c.Assert(err, check.IsNil)
if inspectOut != "paused" {
c.Fatalf("inspect got wrong status, got: %q, expected: paused", inspectOut)
}
dockerCmd(c, "unpause", out)
inspectOut, err = inspectField(out, "State.Status")
c.Assert(err, check.IsNil)
if inspectOut != "running" {
c.Fatalf("inspect got wrong status, got: %q, expected: running", inspectOut)
}
dockerCmd(c, "stop", out)
inspectOut, err = inspectField(out, "State.Status")
c.Assert(err, check.IsNil)
if inspectOut != "exited" {
c.Fatalf("inspect got wrong status, got: %q, expected: exited", inspectOut)
}
}
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, exitCode, err := dockerCmdWithError("inspect", "--type=container", formatStr, "busybox")
if exitCode != 0 || err != nil {
c.Fatalf("failed to inspect container: %s, %v", out, err)
}
if out != "true\n" {
c.Fatal("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")
_, exitCode, err := dockerCmdWithError("inspect", "--type=container", "busybox")
if exitCode == 0 || err == nil {
c.Fatalf("docker inspect should have failed, as there is no container named busybox")
}
}
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, exitCode, err := dockerCmdWithError("inspect", "--type=image", "busybox")
if exitCode != 0 || err != nil {
c.Fatalf("failed to inspect image: %s, %v", out, err)
}
if strings.Contains(out, "State") {
c.Fatal("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")
if exitCode != 0 || err != nil {
if !strings.Contains(out, "not a valid value for --type") {
c.Fatalf("failed to inspect image: %s, %v", out, err)
}
}
}
func (s *DockerSuite) TestInspectImageFilterInt(c *check.C) {
testRequires(c, DaemonIsLinux)
imageTest := "emptyfs"
out, err := inspectField(imageTest, "Size")
c.Assert(err, check.IsNil)
size, err := strconv.Atoi(out)
if err != nil {
c.Fatalf("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, exitCode, err := dockerCmdWithError("inspect", formatStr, imageTest)
if exitCode != 0 || err != nil {
c.Fatalf("failed to inspect image: %s, %v", out, err)
}
if result, err := strconv.ParseBool(strings.TrimSuffix(out, "\n")); err != nil || !result {
c.Fatalf("Expected size: %d for image: %s but received size: %s", size, imageTest, strings.TrimSuffix(out, "\n"))
}
}
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)
if err != nil {
c.Fatalf("failed to run container: %v, output: %q", err, out)
}
id := strings.TrimSpace(out)
out, err = inspectField(id, "State.ExitCode")
c.Assert(err, check.IsNil)
exitCode, err := strconv.Atoi(out)
if err != nil {
c.Fatalf("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)
if result, err := strconv.ParseBool(strings.TrimSuffix(out, "\n")); err != nil || !result {
c.Fatalf("Expected exitcode: %d for container: %s", exitCode, id)
}
}
func (s *DockerSuite) TestInspectImageGraphDriver(c *check.C) {
testRequires(c, DaemonIsLinux)
imageTest := "emptyfs"
name, err := inspectField(imageTest, "GraphDriver.Name")
c.Assert(err, check.IsNil)
if name != "devicemapper" && name != "overlay" && name != "vfs" && name != "zfs" && name != "btrfs" && name != "aufs" {
c.Fatalf("%v is not a valid graph driver name", name)
}
if name != "devicemapper" {
return
}
deviceID, err := inspectField(imageTest, "GraphDriver.Data.DeviceId")
c.Assert(err, check.IsNil)
_, err = strconv.Atoi(deviceID)
if err != nil {
c.Fatalf("failed to inspect DeviceId of the image: %s, %v", deviceID, err)
}
deviceSize, err := inspectField(imageTest, "GraphDriver.Data.DeviceSize")
c.Assert(err, check.IsNil)
_, err = strconv.ParseUint(deviceSize, 10, 64)
if err != nil {
c.Fatalf("failed to inspect DeviceSize of the image: %s, %v", deviceSize, err)
}
}
func (s *DockerSuite) TestInspectContainerGraphDriver(c *check.C) {
testRequires(c, DaemonIsLinux)
out, _ := dockerCmd(c, "run", "-d", "busybox", "true")
out = strings.TrimSpace(out)
name, err := inspectField(out, "GraphDriver.Name")
c.Assert(err, check.IsNil)
if name != "devicemapper" && name != "overlay" && name != "vfs" && name != "zfs" && name != "btrfs" && name != "aufs" {
c.Fatalf("%v is not a valid graph driver name", name)
}
if name != "devicemapper" {
return
}
deviceID, err := inspectField(out, "GraphDriver.Data.DeviceId")
c.Assert(err, check.IsNil)
_, err = strconv.Atoi(deviceID)
if err != nil {
c.Fatalf("failed to inspect DeviceId of the image: %s, %v", deviceID, err)
}
deviceSize, err := inspectField(out, "GraphDriver.Data.DeviceSize")
c.Assert(err, check.IsNil)
_, err = strconv.ParseUint(deviceSize, 10, 64)
if err != nil {
c.Fatalf("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, err := inspectFieldJSON("test", "Mounts")
c.Assert(err, check.IsNil)
var mp []types.MountPoint
err = unmarshalJSON([]byte(vol), &mp)
c.Assert(err, check.IsNil)
if len(mp) != 1 {
c.Fatalf("Expected 1 mount point, was %v\n", len(mp))
}
m := mp[0]
if m.Name != "" {
c.Fatal("Expected name to be empty")
}
if m.Driver != "" {
c.Fatal("Expected driver to be empty")
}
if m.Source != "/data" {
c.Fatalf("Expected source /data, was %s\n", m.Source)
}
if m.Destination != "/data" {
c.Fatalf("Expected destination /data, was %s\n", m.Destination)
}
if m.Mode != "ro,z" {
c.Fatalf("Expected mode `ro,z`, was %s\n", m.Mode)
}
if m.RW != false {
c.Fatalf("Expected rw to be false")
}
}
// #14947
func (s *DockerSuite) TestInspectTimesAsRFC3339Nano(c *check.C) {
testRequires(c, DaemonIsLinux)
out, _ := dockerCmd(c, "run", "-d", "busybox", "true")
id := strings.TrimSpace(out)
startedAt, err := inspectField(id, "State.StartedAt")
c.Assert(err, check.IsNil)
finishedAt, err := inspectField(id, "State.FinishedAt")
c.Assert(err, check.IsNil)
created, err := inspectField(id, "Created")
c.Assert(err, check.IsNil)
_, err = time.Parse(time.RFC3339Nano, startedAt)
c.Assert(err, check.IsNil)
_, err = time.Parse(time.RFC3339Nano, finishedAt)
c.Assert(err, check.IsNil)
_, err = time.Parse(time.RFC3339Nano, created)
c.Assert(err, check.IsNil)
created, err = inspectField("busybox", "Created")
c.Assert(err, check.IsNil)
_, err = time.Parse(time.RFC3339Nano, created)
c.Assert(err, check.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 runconfig.LogConfig
out, err := inspectFieldJSON("test", "HostConfig.LogConfig")
c.Assert(err, check.IsNil)
err = json.NewDecoder(strings.NewReader(out)).Decode(&logConfig)
c.Assert(err, check.IsNil)
c.Assert(logConfig.Type, check.Equals, "json-file")
c.Assert(logConfig.Config["max-file"], check.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.
dockerCmd(c, "run", "--name=busybox", "-d", "busybox", "top")
formatStr := "--format='{{.SizeRw}},{{.SizeRootFs}}'"
out, _ := dockerCmd(c, "inspect", "--type=container", formatStr, "busybox")
c.Assert(strings.TrimSpace(out), check.Equals, "<nil>,<nil>", check.Commentf("Exepcted not to display size info: %s", out))
}
func (s *DockerSuite) TestInspectSizeFlagContainer(c *check.C) {
dockerCmd(c, "run", "--name=busybox", "-d", "busybox", "top")
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), "<nil>")
c.Assert(strings.TrimSpace(sz[1]), check.Not(check.Equals), "<nil>")
}
func (s *DockerSuite) TestInspectSizeFlagImage(c *check.C) {
dockerCmd(c, "run", "--name=busybox", "-d", "busybox", "top")
formatStr := "--format='{{.SizeRw}},{{.SizeRootFs}}'"
out, _, err := dockerCmdWithError("inspect", "-s", "--type=image", formatStr, "busybox")
// Template error rather than <no value>
// 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) TestInspectTempateError(c *check.C) {
//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")
out, _, err := dockerCmdWithError("inspect", "--type=container", "--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) {
dockerCmd(c, "run", "--name=busybox", "-d", "busybox", "top")
out, _, err := dockerCmdWithError("inspect", "--type=container", "--format='{{.HostConfig.Dns}}'", "busybox")
c.Assert(err, check.IsNil)
c.Assert(out, checker.Equals, "[]\n")
}
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