Esempio n. 1
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func TestRemoveImage(t *testing.T) {
	fakeDocker := test.NewFakeDockerClient()
	dh := getDocker(fakeDocker)
	image := dockertypes.ImageInspect{ID: "test-abcd"}
	fakeDocker.Images = map[string]dockertypes.ImageInspect{image.ID: image}
	err := dh.RemoveImage("test-abcd")
	if err != nil {
		t.Errorf("Unexpected error removing image: %s", err)
	}
}
Esempio n. 2
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func TestRemoveContainer(t *testing.T) {
	fakeDocker := test.NewFakeDockerClient()
	dh := getDocker(fakeDocker)
	containerID := "testContainerId"
	fakeDocker.Containers[containerID] = dockercontainer.Config{}
	err := dh.RemoveContainer(containerID)
	if err != nil {
		t.Errorf("%+v", err)
	}
	expectedCalls := []string{"remove"}
	if !reflect.DeepEqual(fakeDocker.Calls, expectedCalls) {
		t.Errorf("Expected fakeDocker.Calls %v, got %v", expectedCalls, fakeDocker.Calls)
	}
}
Esempio n. 3
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func TestGetImageID(t *testing.T) {
	fakeDocker := test.NewFakeDockerClient()
	dh := getDocker(fakeDocker)
	image := dockertypes.ImageInspect{ID: "test-abcd:latest"}
	fakeDocker.Images = map[string]dockertypes.ImageInspect{image.ID: image}
	id, err := dh.GetImageID("test-abcd")
	expectedCalls := []string{"inspect_image"}
	if !reflect.DeepEqual(fakeDocker.Calls, expectedCalls) {
		t.Errorf("Expected fakeDocker.Calls %v, got %v", expectedCalls, fakeDocker.Calls)
	}
	if err != nil {
		t.Errorf("Unexpected error returned: %v", err)
	} else if id != image.ID {
		t.Errorf("Unexpected image id returned: %s", id)
	}
}
Esempio n. 4
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func TestRunContainer(t *testing.T) {
	type runtest struct {
		calls            []string
		image            dockertypes.ImageInspect
		cmd              string
		externalScripts  bool
		paramScriptsURL  string
		paramDestination string
		cmdExpected      []string
	}

	tests := map[string]runtest{
		"default": {
			calls: []string{"inspect_image", "inspect_image", "inspect_image", "create", "attach", "start", "remove"},
			image: dockertypes.ImageInspect{
				ContainerConfig: &dockercontainer.Config{},
				Config:          &dockercontainer.Config{},
			},
			cmd:             api.Assemble,
			externalScripts: true,
			cmdExpected:     []string{"/bin/sh", "-c", fmt.Sprintf("tar -C /tmp -xf - && /tmp/scripts/%s", api.Assemble)},
		},
		"paramDestination": {
			calls: []string{"inspect_image", "inspect_image", "inspect_image", "create", "attach", "start", "remove"},
			image: dockertypes.ImageInspect{
				ContainerConfig: &dockercontainer.Config{},
				Config:          &dockercontainer.Config{},
			},
			cmd:              api.Assemble,
			externalScripts:  true,
			paramDestination: "/opt/test",
			cmdExpected:      []string{"/bin/sh", "-c", fmt.Sprintf("tar -C /opt/test -xf - && /opt/test/scripts/%s", api.Assemble)},
		},
		"paramDestination&paramScripts": {
			calls: []string{"inspect_image", "inspect_image", "inspect_image", "create", "attach", "start", "remove"},
			image: dockertypes.ImageInspect{
				ContainerConfig: &dockercontainer.Config{},
				Config:          &dockercontainer.Config{},
			},
			cmd:              api.Assemble,
			externalScripts:  true,
			paramDestination: "/opt/test",
			paramScriptsURL:  "http://my.test.url/test?param=one",
			cmdExpected:      []string{"/bin/sh", "-c", fmt.Sprintf("tar -C /opt/test -xf - && /opt/test/scripts/%s", api.Assemble)},
		},
		"scriptsInsideImageEnvironment": {
			calls: []string{"inspect_image", "inspect_image", "inspect_image", "create", "attach", "start", "remove"},
			image: dockertypes.ImageInspect{
				ContainerConfig: &dockercontainer.Config{
					Env: []string{ScriptsURLEnvironment + "=image:///opt/bin/"},
				},
				Config: &dockercontainer.Config{},
			},
			cmd:             api.Assemble,
			externalScripts: false,
			cmdExpected:     []string{"/bin/sh", "-c", fmt.Sprintf("tar -C /tmp -xf - && /opt/bin/%s", api.Assemble)},
		},
		"scriptsInsideImageLabel": {
			calls: []string{"inspect_image", "inspect_image", "inspect_image", "create", "attach", "start", "remove"},
			image: dockertypes.ImageInspect{
				ContainerConfig: &dockercontainer.Config{
					Labels: map[string]string{ScriptsURLLabel: "image:///opt/bin/"},
				},
				Config: &dockercontainer.Config{},
			},
			cmd:             api.Assemble,
			externalScripts: false,
			cmdExpected:     []string{"/bin/sh", "-c", fmt.Sprintf("tar -C /tmp -xf - && /opt/bin/%s", api.Assemble)},
		},
		"scriptsInsideImageEnvironmentWithParamDestination": {
			calls: []string{"inspect_image", "inspect_image", "inspect_image", "create", "attach", "start", "remove"},
			image: dockertypes.ImageInspect{
				ContainerConfig: &dockercontainer.Config{
					Env: []string{ScriptsURLEnvironment + "=image:///opt/bin"},
				},
				Config: &dockercontainer.Config{},
			},
			cmd:              api.Assemble,
			externalScripts:  false,
			paramDestination: "/opt/sti",
			cmdExpected:      []string{"/bin/sh", "-c", fmt.Sprintf("tar -C /opt/sti -xf - && /opt/bin/%s", api.Assemble)},
		},
		"scriptsInsideImageLabelWithParamDestination": {
			calls: []string{"inspect_image", "inspect_image", "inspect_image", "create", "attach", "start", "remove"},
			image: dockertypes.ImageInspect{
				ContainerConfig: &dockercontainer.Config{
					Labels: map[string]string{ScriptsURLLabel: "image:///opt/bin"},
				},
				Config: &dockercontainer.Config{},
			},
			cmd:              api.Assemble,
			externalScripts:  false,
			paramDestination: "/opt/sti",
			cmdExpected:      []string{"/bin/sh", "-c", fmt.Sprintf("tar -C /opt/sti -xf - && /opt/bin/%s", api.Assemble)},
		},
		"paramDestinationFromImageEnvironment": {
			calls: []string{"inspect_image", "inspect_image", "inspect_image", "create", "attach", "start", "remove"},
			image: dockertypes.ImageInspect{
				ContainerConfig: &dockercontainer.Config{
					Env: []string{LocationEnvironment + "=/opt", ScriptsURLEnvironment + "=http://my.test.url/test?param=one"},
				},
				Config: &dockercontainer.Config{},
			},
			cmd:             api.Assemble,
			externalScripts: true,
			cmdExpected:     []string{"/bin/sh", "-c", fmt.Sprintf("tar -C /opt -xf - && /opt/scripts/%s", api.Assemble)},
		},
		"paramDestinationFromImageLabel": {
			calls: []string{"inspect_image", "inspect_image", "inspect_image", "create", "attach", "start", "remove"},
			image: dockertypes.ImageInspect{
				ContainerConfig: &dockercontainer.Config{
					Labels: map[string]string{DestinationLabel: "/opt", ScriptsURLLabel: "http://my.test.url/test?param=one"},
				},
				Config: &dockercontainer.Config{},
			},
			cmd:             api.Assemble,
			externalScripts: true,
			cmdExpected:     []string{"/bin/sh", "-c", fmt.Sprintf("tar -C /opt -xf - && /opt/scripts/%s", api.Assemble)},
		},
		"usageCommand": {
			calls: []string{"inspect_image", "inspect_image", "inspect_image", "create", "attach", "start", "remove"},
			image: dockertypes.ImageInspect{
				ContainerConfig: &dockercontainer.Config{},
				Config:          &dockercontainer.Config{},
			},
			cmd:             api.Usage,
			externalScripts: true,
			cmdExpected:     []string{"/bin/sh", "-c", fmt.Sprintf("tar -C /tmp -xf - && /tmp/scripts/%s", api.Usage)},
		},
		"otherCommand": {
			calls: []string{"inspect_image", "inspect_image", "inspect_image", "create", "attach", "start", "remove"},
			image: dockertypes.ImageInspect{
				ContainerConfig: &dockercontainer.Config{},
				Config:          &dockercontainer.Config{},
			},
			cmd:             api.Run,
			externalScripts: true,
			cmdExpected:     []string{fmt.Sprintf("/tmp/scripts/%s", api.Run)},
		},
	}

	for desc, tst := range tests {
		fakeDocker := test.NewFakeDockerClient()
		dh := getDocker(fakeDocker)
		tst.image.ID = "test/image:latest"
		fakeDocker.Images = map[string]dockertypes.ImageInspect{tst.image.ID: tst.image}
		if len(fakeDocker.Containers) > 0 {
			t.Errorf("newly created fake client should have empty container map: %+v", fakeDocker.Containers)
		}

		//NOTE: the combo of the fake k8s client, go 1.6, and using os.Stderr/os.Stdout caused what appeared to be go test crashes
		// when we tried to call their closers in RunContainer
		err := dh.RunContainer(RunContainerOptions{
			Image:           "test/image",
			PullImage:       true,
			ExternalScripts: tst.externalScripts,
			ScriptsURL:      tst.paramScriptsURL,
			Destination:     tst.paramDestination,
			Command:         tst.cmd,
			Env:             []string{"Key1=Value1", "Key2=Value2"},
			Stdin:           os.Stdin,
			//Stdout:          os.Stdout,
			//Stderr:          os.Stdout,
		})
		if err != nil {
			t.Errorf("%s: Unexpected error: %v", desc, err)
		}

		// container ID will be random, so don't look up directly ... just get the 1 entry which should be there
		if len(fakeDocker.Containers) != 1 {
			t.Errorf("fake container map should only have 1 entry: %+v", fakeDocker.Containers)
		}

		for _, container := range fakeDocker.Containers {
			// Validate the Container parameters
			if container.Image != "test/image:latest" {
				t.Errorf("%s: Unexpected create config image: %s", desc, container.Image)
			}
			if !reflect.DeepEqual(container.Cmd, dockerstrslice.StrSlice(tst.cmdExpected)) {
				t.Errorf("%s: Unexpected create config command: %#v instead of %q", desc, container.Cmd, strings.Join(tst.cmdExpected, " "))
			}
			if !reflect.DeepEqual(container.Env, []string{"Key1=Value1", "Key2=Value2"}) {
				t.Errorf("%s: Unexpected create config env: %#v", desc, container.Env)
			}
			if !reflect.DeepEqual(fakeDocker.Calls, tst.calls) {
				t.Errorf("%s: Expected fakeDocker.Calls %v, got %v", desc, tst.calls, fakeDocker.Calls)
			}
		}
	}
}
Esempio n. 5
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func TestGetScriptsURL(t *testing.T) {
	type urltest struct {
		image      dockertypes.ImageInspect
		result     string
		calls      []string
		inspectErr error
	}
	tests := map[string]urltest{
		"not present": {
			calls: []string{"inspect_image"},
			image: dockertypes.ImageInspect{
				ContainerConfig: &dockercontainer.Config{
					Env:    []string{"Env1=value1"},
					Labels: map[string]string{},
				},
				Config: &dockercontainer.Config{
					Env:    []string{"Env2=value2"},
					Labels: map[string]string{},
				},
			},
			result: "",
		},

		"env in containerConfig": {
			calls: []string{"inspect_image"},
			image: dockertypes.ImageInspect{
				ContainerConfig: &dockercontainer.Config{
					Env: []string{"Env1=value1", ScriptsURLEnvironment + "=test_url_value"},
				},
				Config: &dockercontainer.Config{},
			},
			result: "test_url_value",
		},

		"env in image config": {
			calls: []string{"inspect_image"},
			image: dockertypes.ImageInspect{
				ContainerConfig: &dockercontainer.Config{},
				Config: &dockercontainer.Config{
					Env: []string{
						"Env1=value1",
						ScriptsURLEnvironment + "=test_url_value_2",
						"Env2=value2",
					},
				},
			},
			result: "test_url_value_2",
		},

		"label in containerConfig": {
			calls: []string{"inspect_image"},
			image: dockertypes.ImageInspect{
				ContainerConfig: &dockercontainer.Config{
					Labels: map[string]string{ScriptsURLLabel: "test_url_value"},
				},
				Config: &dockercontainer.Config{},
			},
			result: "test_url_value",
		},

		"label in image config": {
			calls: []string{"inspect_image"},
			image: dockertypes.ImageInspect{
				ContainerConfig: &dockercontainer.Config{},
				Config: &dockercontainer.Config{
					Labels: map[string]string{ScriptsURLLabel: "test_url_value_2"},
				},
			},
			result: "test_url_value_2",
		},

		"inspect error": {
			calls:      []string{"inspect_image", "pull"},
			image:      dockertypes.ImageInspect{},
			inspectErr: fmt.Errorf("Inspect error"),
		},
	}
	for desc, tst := range tests {
		fakeDocker := test.NewFakeDockerClient()
		dh := getDocker(fakeDocker)
		tst.image.ID = "test/image:latest"
		if tst.inspectErr != nil {
			fakeDocker.PullFail = tst.inspectErr
		} else {
			fakeDocker.Images = map[string]dockertypes.ImageInspect{tst.image.ID: tst.image}
		}
		url, err := dh.GetScriptsURL(tst.image.ID)

		if !reflect.DeepEqual(fakeDocker.Calls, tst.calls) {
			t.Errorf("%s: Expected fakeDocker.Calls %v, got %v", desc, tst.calls, fakeDocker.Calls)
		}
		if err != nil && tst.inspectErr == nil {
			t.Errorf("%s: Unexpected error returned: %v", desc, err)
		}
		if tst.inspectErr == nil && url != tst.result {
			t.Errorf("%s: Unexpected result. Expected: %s Actual: %s",
				desc, tst.result, url)
		}
	}
}