Method TestExecInspectID

integration-cli/docker_cli_exec_test.go:323–387

(c *testing.T)

}

func (s *DockerCLIExecSuite) TestExecInspectID(c *testing.T) {
	id := runSleepingContainer(c, "-d")

	out := inspectField(c, id, "ExecIDs")
	assert.Equal(c, out, "[]", "ExecIDs should be empty, got: %s", out)

	// Start an exec, have it block waiting so we can do some checking
	cmd := exec.Command(dockerBinary, "exec", id, "sh", "-c",
		"while ! test -e /execid1; do sleep 1; done")

	err := cmd.Start()
	assert.NilError(c, err, "failed to start the exec cmd")

	// Give the exec 10 chances/seconds to start then give up and stop the test
	tries := 10
	for i := range tries {
		// Since its still running we should see exec as part of the container
		out = strings.TrimSpace(inspectField(c, id, "ExecIDs"))

		if out != "[]" && out != "<no value>" {
			break
		}
		assert.Check(c, i+1 != tries, "ExecIDs still empty after 10 second")
		time.Sleep(1 * time.Second)
	}

	// Save execID for later
	execID, err := inspectFilter(id, "index .ExecIDs 0")
	assert.NilError(c, err, "failed to get the exec id")

	// End the exec by creating the missing file
	err = exec.Command(dockerBinary, "exec", id, "sh", "-c", "touch /execid1").Run()
	assert.NilError(c, err, "failed to run the 2nd exec cmd")

	// Wait for 1st exec to complete
	cmd.Wait()

	// Give the exec 10 chances/seconds to stop then give up and stop the test
	for i := range tries {
		// Since its still running we should see exec as part of the container
		out = strings.TrimSpace(inspectField(c, id, "ExecIDs"))

		if out == "[]" {
			break
		}
		assert.Check(c, i+1 != tries, "ExecIDs still empty after 10 second")
		time.Sleep(1 * time.Second)
	}

	// But we should still be able to query the execID
	apiClient, err := client.New(client.FromEnv)
	assert.NilError(c, err)
	defer apiClient.Close()

	_, err = apiClient.ExecInspect(testutil.GetContext(c), execID, client.ExecInspectOptions{})
	assert.NilError(c, err)

	// Now delete the container and then an 'inspect' on the exec should