Example #1
0
func (ServiceGenerator) Generate(params map[string]string) (runtime.Object, error) {
	selectorString, found := params["selector"]
	if !found || len(selectorString) == 0 {
		return nil, fmt.Errorf("'selector' is a required parameter.")
	}
	selector, err := ParseLabels(selectorString)
	if err != nil {
		return nil, err
	}

	labelsString, found := params["labels"]
	var labels map[string]string
	if found && len(labelsString) > 0 {
		labels, err = ParseLabels(labelsString)
		if err != nil {
			return nil, err
		}
	}

	name, found := params["name"]
	if !found || len(name) == 0 {
		name, found = params["default-name"]
		if !found || len(name) == 0 {
			return nil, fmt.Errorf("'name' is a required parameter.")
		}
	}
	portString, found := params["port"]
	if !found {
		return nil, fmt.Errorf("'port' is a required parameter.")
	}
	port, err := strconv.Atoi(portString)
	if err != nil {
		return nil, err
	}
	service := api.Service{
		ObjectMeta: api.ObjectMeta{
			Name:   name,
			Labels: labels,
		},
		Spec: api.ServiceSpec{
			Selector: selector,
			Ports: []api.ServicePort{
				{
					Name:     "default",
					Port:     port,
					Protocol: api.Protocol(params["protocol"]),
				},
			},
		},
	}
	targetPort, found := params["target-port"]
	if !found {
		targetPort, found = params["container-port"]
	}
	if found && len(targetPort) > 0 {
		if portNum, err := strconv.Atoi(targetPort); err != nil {
			service.Spec.Ports[0].TargetPort = util.NewIntOrStringFromString(targetPort)
		} else {
			service.Spec.Ports[0].TargetPort = util.NewIntOrStringFromInt(portNum)
		}
	} else {
		service.Spec.Ports[0].TargetPort = util.NewIntOrStringFromInt(port)
	}
	if params["create-external-load-balancer"] == "true" {
		service.Spec.Type = api.ServiceTypeLoadBalancer
	}
	if len(params["public-ip"]) != 0 {
		service.Spec.DeprecatedPublicIPs = []string{params["public-ip"]}
	}
	if len(params["type"]) != 0 {
		service.Spec.Type = api.ServiceType(params["type"])
	}
	return &service, nil
}
Example #2
0
func TestRunExposeService(t *testing.T) {
	tests := []struct {
		name     string
		args     []string
		ns       string
		calls    map[string]string
		input    runtime.Object
		flags    map[string]string
		output   runtime.Object
		expected string
		status   int
	}{
		{
			name: "expose-service-from-service",
			args: []string{"service", "baz"},
			ns:   "test",
			calls: map[string]string{
				"GET":  "/namespaces/test/services/baz",
				"POST": "/namespaces/test/services",
			},
			input: &api.Service{
				ObjectMeta: api.ObjectMeta{Name: "baz", Namespace: "test", ResourceVersion: "12"},
				TypeMeta:   api.TypeMeta{Kind: "Service", APIVersion: "v1"},
				Spec: api.ServiceSpec{
					Selector: map[string]string{"app": "go"},
				},
			},
			flags: map[string]string{"selector": "func=stream", "protocol": "UDP", "port": "14", "name": "foo", "labels": "svc=test"},
			output: &api.Service{
				ObjectMeta: api.ObjectMeta{Name: "foo", Namespace: "test", ResourceVersion: "12", Labels: map[string]string{"svc": "test"}},
				TypeMeta:   api.TypeMeta{Kind: "Service", APIVersion: "v1"},
				Spec: api.ServiceSpec{
					Ports: []api.ServicePort{
						{
							Name:     "default",
							Protocol: api.Protocol("UDP"),
							Port:     14,
						},
					},
					Selector: map[string]string{"func": "stream"},
				},
			},
			status: 200,
		},
		{
			name: "no-name-passed-from-the-cli",
			args: []string{"service", "mayor"},
			ns:   "default",
			calls: map[string]string{
				"GET":  "/namespaces/default/services/mayor",
				"POST": "/namespaces/default/services",
			},
			input: &api.Service{
				ObjectMeta: api.ObjectMeta{Name: "mayor", Namespace: "default", ResourceVersion: "12"},
				TypeMeta:   api.TypeMeta{Kind: "Service", APIVersion: "v1"},
				Spec: api.ServiceSpec{
					Selector: map[string]string{"run": "this"},
				},
			},
			// No --name flag specified below. Service will use the rc's name passed via the 'default-name' parameter
			flags: map[string]string{"selector": "run=this", "port": "80", "labels": "runas=amayor"},
			output: &api.Service{
				ObjectMeta: api.ObjectMeta{Name: "mayor", Namespace: "default", ResourceVersion: "12", Labels: map[string]string{"runas": "amayor"}},
				TypeMeta:   api.TypeMeta{Kind: "Service", APIVersion: "v1"},
				Spec: api.ServiceSpec{
					Ports: []api.ServicePort{
						{
							Name:     "default",
							Protocol: api.Protocol("TCP"),
							Port:     80,
						},
					},
					Selector: map[string]string{"run": "this"},
				},
			},
			status: 200,
		},
		{
			name: "expose-external-service",
			args: []string{"service", "baz"},
			ns:   "test",
			calls: map[string]string{
				"GET":  "/namespaces/test/services/baz",
				"POST": "/namespaces/test/services",
			},
			input: &api.Service{
				ObjectMeta: api.ObjectMeta{Name: "baz", Namespace: "test", ResourceVersion: "12"},
				TypeMeta:   api.TypeMeta{Kind: "Service", APIVersion: "v1"},
				Spec: api.ServiceSpec{
					Selector: map[string]string{"app": "go"},
				},
			},
			flags: map[string]string{"selector": "func=stream", "protocol": "UDP", "port": "14", "name": "foo", "labels": "svc=test", "create-external-load-balancer": "true"},
			output: &api.Service{
				ObjectMeta: api.ObjectMeta{Name: "foo", Namespace: "test", ResourceVersion: "12", Labels: map[string]string{"svc": "test"}},
				TypeMeta:   api.TypeMeta{Kind: "Service", APIVersion: "v1"},
				Spec: api.ServiceSpec{
					Ports: []api.ServicePort{
						{
							Name:     "default",
							Protocol: api.Protocol("UDP"),
							Port:     14,
						},
					},
					Selector: map[string]string{"func": "stream"},
					Type:     api.ServiceTypeLoadBalancer,
				},
			},
			expected: "you will also need to explicitly open a firewall",
			status:   200,
		},
	}

	for _, test := range tests {
		f, tf, codec := NewAPIFactory()
		tf.Printer = &testPrinter{}
		tf.Client = &client.FakeRESTClient{
			Codec: codec,
			Client: client.HTTPClientFunc(func(req *http.Request) (*http.Response, error) {
				switch p, m := req.URL.Path, req.Method; {
				case p == test.calls[m] && m == "GET":
					return &http.Response{StatusCode: test.status, Body: objBody(codec, test.input)}, nil
				case p == test.calls[m] && m == "POST":
					return &http.Response{StatusCode: test.status, Body: objBody(codec, test.output)}, nil
				default:
					t.Fatalf("unexpected request: %#v\n%#v", req.URL, req)
					return nil, nil
				}
			}),
		}
		tf.Namespace = test.ns
		buf := bytes.NewBuffer([]byte{})

		cmd := NewCmdExposeService(f, buf)
		cmd.SetOutput(buf)
		for flag, value := range test.flags {
			cmd.Flags().Set(flag, value)
		}
		cmd.Run(cmd, test.args)

		if len(test.expected) > 0 {
			out := buf.String()
			if !strings.Contains(out, test.expected) {
				t.Errorf("%s: unexpected output: %s", test.name, out)
			}
		}
	}
}