267 lines
8.4 KiB
Go
267 lines
8.4 KiB
Go
package main
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import (
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"fmt"
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"os/exec"
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"strconv"
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"strings"
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"github.com/go-check/check"
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)
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func (s *DockerSuite) TestInspectImage(c *check.C) {
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imageTest := "emptyfs"
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imageTestID := "511136ea3c5a64f264b78b5433614aec563103b4d4702f3ba7d4d2698e22c158"
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id, err := inspectField(imageTest, "Id")
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c.Assert(err, check.IsNil)
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if id != imageTestID {
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c.Fatalf("Expected id: %s for image: %s but received id: %s", imageTestID, imageTest, id)
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}
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}
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func (s *DockerSuite) TestInspectInt64(c *check.C) {
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runCmd := exec.Command(dockerBinary, "run", "-d", "-m=300M", "busybox", "true")
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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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inspectOut, err := inspectField(out, "HostConfig.Memory")
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c.Assert(err, check.IsNil)
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if inspectOut != "314572800" {
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c.Fatalf("inspect got wrong value, got: %q, expected: 314572800", inspectOut)
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}
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}
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func (s *DockerSuite) TestInspectDefault(c *check.C) {
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//Both the container and image are named busybox. docker inspect will fetch the container JSON.
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//If the container JSON is not available, it will go for the image JSON.
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runCmd := exec.Command(dockerBinary, "run", "--name=busybox", "-d", "busybox", "true")
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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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inspectCmd := exec.Command(dockerBinary, "inspect", "busybox")
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_, exitCode, err := runCommandWithOutput(inspectCmd)
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if exitCode != 0 || err != nil {
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c.Fatalf("failed to inspect container: %s, %v", out, err)
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}
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}
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func (s *DockerSuite) TestInspectTypeFlagContainer(c *check.C) {
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//Both the container and image are named busybox. docker inspect will fetch container
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//JSON State.Running field. If the field is true, it's a container.
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runCmd := exec.Command(dockerBinary, "run", "--name=busybox", "-d", "busybox", "top")
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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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formatStr := fmt.Sprintf("--format='{{.State.Running}}'")
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inspectCmd := exec.Command(dockerBinary, "inspect", "--type=container", formatStr, "busybox")
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out, exitCode, err := runCommandWithOutput(inspectCmd)
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if exitCode != 0 || err != nil {
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c.Fatalf("failed to inspect container: %s, %v", out, err)
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}
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if out != "true\n" {
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c.Fatal("not a container JSON")
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}
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}
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func (s *DockerSuite) TestInspectTypeFlagWithNoContainer(c *check.C) {
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//Run this test on an image named busybox. docker inspect will try to fetch container
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//JSON. Since there is no container named busybox and --type=container, docker inspect will
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//not try to get the image JSON. It will throw an error.
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runCmd := exec.Command(dockerBinary, "run", "-d", "busybox", "true")
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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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inspectCmd := exec.Command(dockerBinary, "inspect", "--type=container", "busybox")
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_, exitCode, err := runCommandWithOutput(inspectCmd)
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if exitCode == 0 || err == nil {
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c.Fatalf("docker inspect should have failed, as there is no container named busybox")
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}
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}
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func (s *DockerSuite) TestInspectTypeFlagWithImage(c *check.C) {
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//Both the container and image are named busybox. docker inspect will fetch image
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//JSON as --type=image. if there is no image with name busybox, docker inspect
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//will throw an error.
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runCmd := exec.Command(dockerBinary, "run", "--name=busybox", "-d", "busybox", "true")
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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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inspectCmd := exec.Command(dockerBinary, "inspect", "--type=image", "busybox")
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out, exitCode, err := runCommandWithOutput(inspectCmd)
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if exitCode != 0 || err != nil {
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c.Fatalf("failed to inspect image: %s, %v", out, err)
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}
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if strings.Contains(out, "State") {
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c.Fatal("not an image JSON")
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}
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}
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func (s *DockerSuite) TestInspectTypeFlagWithInvalidValue(c *check.C) {
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//Both the container and image are named busybox. docker inspect will fail
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//as --type=foobar is not a valid value for the flag.
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runCmd := exec.Command(dockerBinary, "run", "--name=busybox", "-d", "busybox", "true")
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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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inspectCmd := exec.Command(dockerBinary, "inspect", "--type=foobar", "busybox")
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out, exitCode, err := runCommandWithOutput(inspectCmd)
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if exitCode != 0 || err != nil {
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if !strings.Contains(out, "not a valid value for --type") {
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c.Fatalf("failed to inspect image: %s, %v", out, err)
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}
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}
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}
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func (s *DockerSuite) TestInspectImageFilterInt(c *check.C) {
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imageTest := "emptyfs"
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out, err := inspectField(imageTest, "Size")
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c.Assert(err, check.IsNil)
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size, err := strconv.Atoi(out)
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if err != nil {
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c.Fatalf("failed to inspect size of the image: %s, %v", out, err)
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}
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//now see if the size turns out to be the same
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formatStr := fmt.Sprintf("--format='{{eq .Size %d}}'", size)
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imagesCmd := exec.Command(dockerBinary, "inspect", formatStr, imageTest)
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out, exitCode, err := runCommandWithOutput(imagesCmd)
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if exitCode != 0 || err != nil {
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c.Fatalf("failed to inspect image: %s, %v", out, err)
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}
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if result, err := strconv.ParseBool(strings.TrimSuffix(out, "\n")); err != nil || !result {
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c.Fatalf("Expected size: %d for image: %s but received size: %s", size, imageTest, strings.TrimSuffix(out, "\n"))
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}
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}
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func (s *DockerSuite) TestInspectContainerFilterInt(c *check.C) {
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runCmd := exec.Command(dockerBinary, "run", "-i", "-a", "stdin", "busybox", "cat")
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runCmd.Stdin = strings.NewReader("blahblah")
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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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id := strings.TrimSpace(out)
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out, err = inspectField(id, "State.ExitCode")
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c.Assert(err, check.IsNil)
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exitCode, err := strconv.Atoi(out)
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if err != nil {
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c.Fatalf("failed to inspect exitcode of the container: %s, %v", out, err)
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}
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//now get the exit code to verify
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formatStr := fmt.Sprintf("--format='{{eq .State.ExitCode %d}}'", exitCode)
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runCmd = exec.Command(dockerBinary, "inspect", formatStr, id)
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out, _, err = runCommandWithOutput(runCmd)
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if err != nil {
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c.Fatalf("failed to inspect container: %s, %v", out, err)
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}
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if result, err := strconv.ParseBool(strings.TrimSuffix(out, "\n")); err != nil || !result {
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c.Fatalf("Expected exitcode: %d for container: %s", exitCode, id)
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}
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}
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func (s *DockerSuite) TestInspectImageGraphDriver(c *check.C) {
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imageTest := "emptyfs"
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name, err := inspectField(imageTest, "GraphDriver.Name")
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c.Assert(err, check.IsNil)
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if name != "devicemapper" && name != "overlay" && name != "vfs" && name != "zfs" && name != "btrfs" && name != "aufs" {
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c.Fatalf("%v is not a valid graph driver name", name)
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}
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if name != "devicemapper" {
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return
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}
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deviceId, err := inspectField(imageTest, "GraphDriver.Data.DeviceId")
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c.Assert(err, check.IsNil)
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_, err = strconv.Atoi(deviceId)
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if err != nil {
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c.Fatalf("failed to inspect DeviceId of the image: %s, %v", deviceId, err)
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}
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deviceSize, err := inspectField(imageTest, "GraphDriver.Data.DeviceSize")
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c.Assert(err, check.IsNil)
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_, err = strconv.ParseUint(deviceSize, 10, 64)
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if err != nil {
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c.Fatalf("failed to inspect DeviceSize of the image: %s, %v", deviceSize, err)
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}
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}
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func (s *DockerSuite) TestInspectContainerGraphDriver(c *check.C) {
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runCmd := exec.Command(dockerBinary, "run", "-d", "busybox", "true")
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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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name, err := inspectField(out, "GraphDriver.Name")
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c.Assert(err, check.IsNil)
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if name != "devicemapper" && name != "overlay" && name != "vfs" && name != "zfs" && name != "btrfs" && name != "aufs" {
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c.Fatalf("%v is not a valid graph driver name", name)
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}
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if name != "devicemapper" {
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return
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}
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deviceId, err := inspectField(out, "GraphDriver.Data.DeviceId")
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c.Assert(err, check.IsNil)
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_, err = strconv.Atoi(deviceId)
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if err != nil {
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c.Fatalf("failed to inspect DeviceId of the image: %s, %v", deviceId, err)
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}
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deviceSize, err := inspectField(out, "GraphDriver.Data.DeviceSize")
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c.Assert(err, check.IsNil)
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_, err = strconv.ParseUint(deviceSize, 10, 64)
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if err != nil {
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c.Fatalf("failed to inspect DeviceSize of the image: %s, %v", deviceSize, err)
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}
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}
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