mirror of
https://github.com/moby/moby.git
synced 2022-11-09 12:21:53 -05:00
389 lines
14 KiB
Go
389 lines
14 KiB
Go
package main
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import (
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"encoding/json"
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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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"time"
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"github.com/docker/docker/api/types"
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"github.com/docker/docker/api/types/container"
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"github.com/docker/docker/pkg/integration/checker"
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"github.com/go-check/check"
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)
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func checkValidGraphDriver(c *check.C, name string) {
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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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}
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func (s *DockerSuite) TestInspectImage(c *check.C) {
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testRequires(c, DaemonIsLinux)
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imageTest := "emptyfs"
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// It is important that this ID remain stable. If a code change causes
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// it to be different, this is equivalent to a cache bust when pulling
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// a legacy-format manifest. If the check at the end of this function
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// fails, fix the difference in the image serialization instead of
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// updating this hash.
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imageTestID := "sha256:11f64303f0f7ffdc71f001788132bca5346831939a956e3e975c93267d89a16d"
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id, err := inspectField(imageTest, "Id")
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c.Assert(err, checker.IsNil)
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c.Assert(id, checker.Equals, imageTestID)
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}
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func (s *DockerSuite) TestInspectInt64(c *check.C) {
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testRequires(c, DaemonIsLinux)
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dockerCmd(c, "run", "-d", "-m=300M", "--name", "inspectTest", "busybox", "true")
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inspectOut, err := inspectField("inspectTest", "HostConfig.Memory")
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c.Assert(err, check.IsNil)
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c.Assert(inspectOut, checker.Equals, "314572800")
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}
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func (s *DockerSuite) TestInspectDefault(c *check.C) {
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testRequires(c, DaemonIsLinux)
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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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out, _ := dockerCmd(c, "run", "--name=busybox", "-d", "busybox", "true")
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containerID := strings.TrimSpace(out)
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inspectOut, err := inspectField("busybox", "Id")
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c.Assert(err, checker.IsNil)
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c.Assert(strings.TrimSpace(inspectOut), checker.Equals, containerID)
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}
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func (s *DockerSuite) TestInspectStatus(c *check.C) {
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defer unpauseAllContainers()
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testRequires(c, DaemonIsLinux)
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out, _ := dockerCmd(c, "run", "-d", "busybox", "top")
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out = strings.TrimSpace(out)
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inspectOut, err := inspectField(out, "State.Status")
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c.Assert(err, checker.IsNil)
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c.Assert(inspectOut, checker.Equals, "running")
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dockerCmd(c, "pause", out)
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inspectOut, err = inspectField(out, "State.Status")
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c.Assert(err, checker.IsNil)
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c.Assert(inspectOut, checker.Equals, "paused")
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dockerCmd(c, "unpause", out)
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inspectOut, err = inspectField(out, "State.Status")
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c.Assert(err, checker.IsNil)
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c.Assert(inspectOut, checker.Equals, "running")
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dockerCmd(c, "stop", out)
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inspectOut, err = inspectField(out, "State.Status")
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c.Assert(err, checker.IsNil)
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c.Assert(inspectOut, checker.Equals, "exited")
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}
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func (s *DockerSuite) TestInspectTypeFlagContainer(c *check.C) {
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testRequires(c, DaemonIsLinux)
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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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dockerCmd(c, "run", "--name=busybox", "-d", "busybox", "top")
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formatStr := "--format='{{.State.Running}}'"
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out, _ := dockerCmd(c, "inspect", "--type=container", formatStr, "busybox")
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c.Assert(out, checker.Equals, "true\n") // not a container JSON
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}
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func (s *DockerSuite) TestInspectTypeFlagWithNoContainer(c *check.C) {
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testRequires(c, DaemonIsLinux)
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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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dockerCmd(c, "run", "-d", "busybox", "true")
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_, _, err := dockerCmdWithError("inspect", "--type=container", "busybox")
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// docker inspect should fail, as there is no container named busybox
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c.Assert(err, checker.NotNil)
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}
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func (s *DockerSuite) TestInspectTypeFlagWithImage(c *check.C) {
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testRequires(c, DaemonIsLinux)
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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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dockerCmd(c, "run", "--name=busybox", "-d", "busybox", "true")
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out, _ := dockerCmd(c, "inspect", "--type=image", "busybox")
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c.Assert(out, checker.Not(checker.Contains), "State") // not an image JSON
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}
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func (s *DockerSuite) TestInspectTypeFlagWithInvalidValue(c *check.C) {
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testRequires(c, DaemonIsLinux)
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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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dockerCmd(c, "run", "--name=busybox", "-d", "busybox", "true")
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out, exitCode, err := dockerCmdWithError("inspect", "--type=foobar", "busybox")
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c.Assert(err, checker.NotNil, check.Commentf("%s", exitCode))
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c.Assert(exitCode, checker.Equals, 1, check.Commentf("%s", err))
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c.Assert(out, checker.Contains, "not a valid value for --type")
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}
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func (s *DockerSuite) TestInspectImageFilterInt(c *check.C) {
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testRequires(c, DaemonIsLinux)
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imageTest := "emptyfs"
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out, err := inspectField(imageTest, "Size")
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c.Assert(err, checker.IsNil)
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size, err := strconv.Atoi(out)
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c.Assert(err, checker.IsNil, check.Commentf("failed to inspect size of the image: %s, %v", out, err))
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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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out, _ = dockerCmd(c, "inspect", formatStr, imageTest)
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result, err := strconv.ParseBool(strings.TrimSuffix(out, "\n"))
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c.Assert(err, checker.IsNil)
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c.Assert(result, checker.Equals, true)
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}
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func (s *DockerSuite) TestInspectContainerFilterInt(c *check.C) {
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testRequires(c, DaemonIsLinux)
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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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c.Assert(err, checker.IsNil, check.Commentf("failed to run container: %v, output: %q", err, out))
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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, checker.IsNil)
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exitCode, err := strconv.Atoi(out)
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c.Assert(err, checker.IsNil, check.Commentf("failed to inspect exitcode of the container: %s, %v", out, err))
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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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out, _ = dockerCmd(c, "inspect", formatStr, id)
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result, err := strconv.ParseBool(strings.TrimSuffix(out, "\n"))
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c.Assert(err, checker.IsNil)
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c.Assert(result, checker.Equals, true)
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}
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func (s *DockerSuite) TestInspectImageGraphDriver(c *check.C) {
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testRequires(c, DaemonIsLinux)
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imageTest := "emptyfs"
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name, err := inspectField(imageTest, "GraphDriver.Name")
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c.Assert(err, checker.IsNil)
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checkValidGraphDriver(c, name)
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if name != "devicemapper" {
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c.Skip("requires devicemapper graphdriver")
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}
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deviceID, err := inspectField(imageTest, "GraphDriver.Data.DeviceId")
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c.Assert(err, checker.IsNil)
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_, err = strconv.Atoi(deviceID)
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c.Assert(err, checker.IsNil, check.Commentf("failed to inspect DeviceId of the image: %s, %v", deviceID, err))
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deviceSize, err := inspectField(imageTest, "GraphDriver.Data.DeviceSize")
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c.Assert(err, checker.IsNil)
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_, err = strconv.ParseUint(deviceSize, 10, 64)
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c.Assert(err, checker.IsNil, check.Commentf("failed to inspect DeviceSize of the image: %s, %v", deviceSize, err))
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}
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func (s *DockerSuite) TestInspectContainerGraphDriver(c *check.C) {
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testRequires(c, DaemonIsLinux)
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out, _ := dockerCmd(c, "run", "-d", "busybox", "true")
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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, checker.IsNil)
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checkValidGraphDriver(c, name)
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if name != "devicemapper" {
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return
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}
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imageDeviceID, err := inspectField("busybox", "GraphDriver.Data.DeviceId")
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c.Assert(err, checker.IsNil)
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deviceID, err := inspectField(out, "GraphDriver.Data.DeviceId")
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c.Assert(err, checker.IsNil)
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c.Assert(imageDeviceID, checker.Not(checker.Equals), deviceID)
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_, err = strconv.Atoi(deviceID)
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c.Assert(err, checker.IsNil, check.Commentf("failed to inspect DeviceId of the image: %s, %v", deviceID, err))
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deviceSize, err := inspectField(out, "GraphDriver.Data.DeviceSize")
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c.Assert(err, checker.IsNil)
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_, err = strconv.ParseUint(deviceSize, 10, 64)
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c.Assert(err, checker.IsNil, check.Commentf("failed to inspect DeviceSize of the image: %s, %v", deviceSize, err))
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}
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func (s *DockerSuite) TestInspectBindMountPoint(c *check.C) {
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testRequires(c, DaemonIsLinux)
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dockerCmd(c, "run", "-d", "--name", "test", "-v", "/data:/data:ro,z", "busybox", "cat")
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vol, err := inspectFieldJSON("test", "Mounts")
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c.Assert(err, checker.IsNil)
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var mp []types.MountPoint
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err = unmarshalJSON([]byte(vol), &mp)
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c.Assert(err, checker.IsNil)
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// check that there is only one mountpoint
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c.Assert(mp, check.HasLen, 1)
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m := mp[0]
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c.Assert(m.Name, checker.Equals, "")
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c.Assert(m.Driver, checker.Equals, "")
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c.Assert(m.Source, checker.Equals, "/data")
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c.Assert(m.Destination, checker.Equals, "/data")
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c.Assert(m.Mode, checker.Equals, "ro,z")
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c.Assert(m.RW, checker.Equals, false)
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}
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// #14947
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func (s *DockerSuite) TestInspectTimesAsRFC3339Nano(c *check.C) {
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testRequires(c, DaemonIsLinux)
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out, _ := dockerCmd(c, "run", "-d", "busybox", "true")
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id := strings.TrimSpace(out)
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startedAt, err := inspectField(id, "State.StartedAt")
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c.Assert(err, checker.IsNil)
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finishedAt, err := inspectField(id, "State.FinishedAt")
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c.Assert(err, checker.IsNil)
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created, err := inspectField(id, "Created")
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c.Assert(err, checker.IsNil)
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_, err = time.Parse(time.RFC3339Nano, startedAt)
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c.Assert(err, checker.IsNil)
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_, err = time.Parse(time.RFC3339Nano, finishedAt)
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c.Assert(err, checker.IsNil)
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_, err = time.Parse(time.RFC3339Nano, created)
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c.Assert(err, checker.IsNil)
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created, err = inspectField("busybox", "Created")
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c.Assert(err, checker.IsNil)
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_, err = time.Parse(time.RFC3339Nano, created)
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c.Assert(err, checker.IsNil)
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}
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// #15633
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func (s *DockerSuite) TestInspectLogConfigNoType(c *check.C) {
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testRequires(c, DaemonIsLinux)
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dockerCmd(c, "create", "--name=test", "--log-opt", "max-file=42", "busybox")
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var logConfig container.LogConfig
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out, err := inspectFieldJSON("test", "HostConfig.LogConfig")
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c.Assert(err, checker.IsNil, check.Commentf("%v", out))
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err = json.NewDecoder(strings.NewReader(out)).Decode(&logConfig)
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c.Assert(err, checker.IsNil, check.Commentf("%v", out))
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c.Assert(logConfig.Type, checker.Equals, "json-file")
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c.Assert(logConfig.Config["max-file"], checker.Equals, "42", check.Commentf("%v", logConfig))
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}
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func (s *DockerSuite) TestInspectNoSizeFlagContainer(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 SizeRw and SizeRootFs field. If there is no flag --size/-s, there are no size fields.
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dockerCmd(c, "run", "--name=busybox", "-d", "busybox", "top")
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formatStr := "--format='{{.SizeRw}},{{.SizeRootFs}}'"
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out, _ := dockerCmd(c, "inspect", "--type=container", formatStr, "busybox")
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c.Assert(strings.TrimSpace(out), check.Equals, "<nil>,<nil>", check.Commentf("Exepcted not to display size info: %s", out))
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}
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func (s *DockerSuite) TestInspectSizeFlagContainer(c *check.C) {
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dockerCmd(c, "run", "--name=busybox", "-d", "busybox", "top")
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formatStr := "--format='{{.SizeRw}},{{.SizeRootFs}}'"
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out, _ := dockerCmd(c, "inspect", "-s", "--type=container", formatStr, "busybox")
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sz := strings.Split(out, ",")
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c.Assert(strings.TrimSpace(sz[0]), check.Not(check.Equals), "<nil>")
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c.Assert(strings.TrimSpace(sz[1]), check.Not(check.Equals), "<nil>")
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}
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func (s *DockerSuite) TestInspectSizeFlagImage(c *check.C) {
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dockerCmd(c, "run", "--name=busybox", "-d", "busybox", "top")
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formatStr := "--format='{{.SizeRw}},{{.SizeRootFs}}'"
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out, _, err := dockerCmdWithError("inspect", "-s", "--type=image", formatStr, "busybox")
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// Template error rather than <no value>
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// This is a more correct behavior because images don't have sizes associated.
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c.Assert(err, check.Not(check.IsNil))
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c.Assert(out, checker.Contains, "Template parsing error")
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}
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func (s *DockerSuite) TestInspectTempateError(c *check.C) {
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// Template parsing error for both the container and image.
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dockerCmd(c, "run", "--name=container1", "-d", "busybox", "top")
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out, _, err := dockerCmdWithError("inspect", "--type=container", "--format='Format container: {{.ThisDoesNotExist}}'", "container1")
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c.Assert(err, check.Not(check.IsNil))
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c.Assert(out, checker.Contains, "Template parsing error")
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out, _, err = dockerCmdWithError("inspect", "--type=image", "--format='Format container: {{.ThisDoesNotExist}}'", "busybox")
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c.Assert(err, check.Not(check.IsNil))
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c.Assert(out, checker.Contains, "Template parsing error")
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}
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func (s *DockerSuite) TestInspectJSONFields(c *check.C) {
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dockerCmd(c, "run", "--name=busybox", "-d", "busybox", "top")
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out, _, err := dockerCmdWithError("inspect", "--type=container", "--format='{{.HostConfig.Dns}}'", "busybox")
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c.Assert(err, check.IsNil)
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c.Assert(out, checker.Equals, "[]\n")
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}
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func (s *DockerSuite) TestInspectByPrefix(c *check.C) {
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id, err := inspectField("busybox", "Id")
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c.Assert(err, checker.IsNil)
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c.Assert(id, checker.HasPrefix, "sha256:")
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id2, err := inspectField(id[:12], "Id")
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c.Assert(err, checker.IsNil)
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c.Assert(id, checker.Equals, id2)
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id3, err := inspectField(strings.TrimPrefix(id, "sha256:")[:12], "Id")
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c.Assert(err, checker.IsNil)
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c.Assert(id, checker.Equals, id3)
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}
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func (s *DockerSuite) TestInspectStopWhenNotFound(c *check.C) {
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dockerCmd(c, "run", "--name=busybox", "-d", "busybox", "top")
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dockerCmd(c, "run", "--name=not-shown", "-d", "busybox", "top")
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out, _, err := dockerCmdWithError("inspect", "--type=container", "--format='{{.Name}}'", "busybox", "missing", "not-shown")
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c.Assert(err, checker.Not(check.IsNil))
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c.Assert(out, checker.Contains, "busybox")
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c.Assert(out, checker.Not(checker.Contains), "not-shown")
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c.Assert(out, checker.Contains, "Error: No such container: missing")
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}
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func (s *DockerSuite) TestInspectHistory(c *check.C) {
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dockerCmd(c, "run", "--name=testcont", "-d", "busybox", "top")
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dockerCmd(c, "commit", "-m", "test comment", "testcont", "testimg")
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out, _, err := dockerCmdWithError("inspect", "--format='{{.Comment}}'", "testimg")
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c.Assert(err, check.IsNil)
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c.Assert(out, checker.Contains, "test comment")
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}
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