func TestProcessTemplateParameters(t *testing.T) {
	var template, expectedTemplate api.Template
	jsonData, _ := ioutil.ReadFile("../../test/templates/fixtures/guestbook.json")
	if err := latest.Codec.DecodeInto(jsonData, &template); err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	expectedData, _ := ioutil.ReadFile("../../test/templates/fixtures/guestbook_list.json")
	if err := latest.Codec.DecodeInto(expectedData, &expectedTemplate); err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	generators := map[string]generator.Generator{
		"expression": generator.NewExpressionValueGenerator(rand.New(rand.NewSource(1337))),
	}
	processor := NewProcessor(generators)

	// Define custom parameter for the transformation:
	AddParameter(&template, makeParameter("CUSTOM_PARAM1", "1", ""))

	// Transform the template config into the result config
	errs := processor.Process(&template)
	if len(errs) > 0 {
		t.Fatalf("unexpected error: %v", errs)
	}
	result, err := v1beta3.Codec.Encode(&template)
	if err != nil {
		t.Fatalf("unexpected error during encoding Config: %#v", err)
	}
	exp, _ := v1beta3.Codec.Encode(&expectedTemplate)

	if string(result) != string(exp) {
		t.Errorf("unexpected output: %s", util.StringDiff(string(exp), string(result)))
	}
}
예제 #2
0
// Create processes a Template and creates a new list of objects
func (s *REST) Create(ctx kapi.Context, obj runtime.Object) (runtime.Object, error) {
	tpl, ok := obj.(*api.Template)
	if !ok {
		return nil, errors.NewBadRequest("not a template")
	}
	if errs := templatevalidation.ValidateProcessedTemplate(tpl); len(errs) > 0 {
		return nil, errors.NewInvalid("template", tpl.Name, errs)
	}

	generators := map[string]generator.Generator{
		"expression": generator.NewExpressionValueGenerator(rand.New(rand.NewSource(time.Now().UnixNano()))),
	}
	processor := template.NewProcessor(generators)
	if errs := processor.Process(tpl); len(errs) > 0 {
		glog.V(1).Infof(utilerr.NewAggregate(errs).Error())
		return nil, errors.NewInvalid("template", tpl.Name, errs)
	}

	return tpl, nil
}
func TestProcessValueEscape(t *testing.T) {
	var template api.Template
	if err := latest.Codec.DecodeInto([]byte(`{
		"kind":"Template", "apiVersion":"v1",
		"objects": [
			{
				"kind": "Service", "apiVersion": "v1beta3${VALUE}",
				"metadata": {
					"labels": {
						"key1": "${VALUE}",
						"key2": "$${VALUE}"
					}
				}
			}
		]
	}`), &template); err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	generators := map[string]generator.Generator{
		"expression": generator.NewExpressionValueGenerator(rand.New(rand.NewSource(1337))),
	}
	processor := NewProcessor(generators)

	// Define custom parameter for the transformation:
	AddParameter(&template, makeParameter("VALUE", "1", ""))

	// Transform the template config into the result config
	errs := processor.Process(&template)
	if len(errs) > 0 {
		t.Fatalf("unexpected error: %v", errs)
	}
	result, err := v1beta3.Codec.Encode(&template)
	if err != nil {
		t.Fatalf("unexpected error during encoding Config: %#v", err)
	}
	expect := `{"kind":"Template","apiVersion":"v1beta3","metadata":{"creationTimestamp":null},"objects":[{"apiVersion":"v1beta31","kind":"Service","metadata":{"labels":{"key1":"1","key2":"$1"}}}],"parameters":[{"name":"VALUE","value":"1"}]}`
	if expect != string(result) {
		t.Errorf("unexpected output: %s", util.StringDiff(expect, string(result)))
	}
}
func TestEvaluateLabels(t *testing.T) {
	testCases := map[string]struct {
		Input  string
		Output string
		Labels map[string]string
	}{
		"no labels": {
			Input: `{
				"kind":"Template", "apiVersion":"v1",
				"objects": [
					{
						"kind": "Service", "apiVersion": "v1beta3",
						"metadata": {"labels": {"key1": "v1", "key2": "v2"}	}
					}
				]
			}`,
			Output: `{
				"kind":"Template","apiVersion":"v1beta3","metadata":{"creationTimestamp":null},
				"objects":[
					{
						"apiVersion":"v1beta3","kind":"Service","metadata":{
						"labels":{"key1":"v1","key2":"v2"}}
					}
				]
			}`,
		},
		"one different label": {
			Input: `{
				"kind":"Template", "apiVersion":"v1",
				"objects": [
					{
						"kind": "Service", "apiVersion": "v1beta3",
						"metadata": {"labels": {"key1": "v1", "key2": "v2"}	}
					}
				]
			}`,
			Output: `{
				"kind":"Template","apiVersion":"v1beta3","metadata":{"creationTimestamp":null},
				"objects":[
					{
						"apiVersion":"v1beta3","kind":"Service","metadata":{
						"labels":{"key1":"v1","key2":"v2","key3":"v3"}}
					}
				],
				"labels":{"key3":"v3"}
			}`,
			Labels: map[string]string{"key3": "v3"},
		},
		"when the root object has labels and no metadata": {
			Input: `{
				"kind":"Template", "apiVersion":"v1",
				"objects": [
					{
						"kind": "Service", "apiVersion": "v1beta1",
						"labels": {
							"key1": "v1",
							"key2": "v2"
						}
					}
				]
			}`,
			Output: `{
				"kind":"Template","apiVersion":"v1beta3","metadata":{"creationTimestamp":null},
				"objects":[
					{
						"apiVersion":"v1beta1","kind":"Service",
						"labels":{"key1":"v1","key2":"v2","key3":"v3"}
					}
				],
				"labels":{"key3":"v3"}
			}`,
			Labels: map[string]string{"key3": "v3"},
		},
		"when the root object has labels and metadata": {
			Input: `{
				"kind":"Template", "apiVersion":"v1",
				"objects": [
					{
						"kind": "Service", "apiVersion": "v1beta1",
						"metadata": {},
						"labels": {
							"key1": "v1",
							"key2": "v2"
						}
					}
				]
			}`,
			Output: `{
				"kind":"Template","apiVersion":"v1beta3","metadata":{"creationTimestamp":null},
				"objects":[
					{
						"apiVersion":"v1beta1","kind":"Service",
						"labels":{"key1":"v1","key2":"v2"},
						"metadata":{"labels":{"key3":"v3"}}
					}
				],
				"labels":{"key3":"v3"}
			}`,
			Labels: map[string]string{"key3": "v3"},
		},
		"overwrites label": {
			Input: `{
				"kind":"Template", "apiVersion":"v1",
				"objects": [
					{
						"kind": "Service", "apiVersion": "v1beta3",
						"metadata": {"labels": {"key1": "v1", "key2": "v2"}	}
					}
				]
			}`,
			Output: `{
				"kind":"Template","apiVersion":"v1beta3","metadata":{"creationTimestamp":null},
				"objects":[
					{
						"apiVersion":"v1beta3","kind":"Service","metadata":{
						"labels":{"key1":"v1","key2":"v3"}}
					}
				],
				"labels":{"key2":"v3"}
			}`,
			Labels: map[string]string{"key2": "v3"},
		},
	}

	for k, testCase := range testCases {
		var template api.Template
		if err := latest.Codec.DecodeInto([]byte(testCase.Input), &template); err != nil {
			t.Errorf("%s: unexpected error: %v", k, err)
			continue
		}

		generators := map[string]generator.Generator{
			"expression": generator.NewExpressionValueGenerator(rand.New(rand.NewSource(1337))),
		}
		processor := NewProcessor(generators)

		template.ObjectLabels = testCase.Labels

		// Transform the template config into the result config
		errs := processor.Process(&template)
		if len(errs) > 0 {
			t.Errorf("%s: unexpected error: %v", k, errs)
			continue
		}
		result, err := v1beta3.Codec.Encode(&template)
		if err != nil {
			t.Errorf("%s: unexpected error: %v", k, err)
			continue
		}
		expect := testCase.Output
		expect = trailingWhitespace.ReplaceAllString(expect, "")
		if expect != string(result) {
			t.Errorf("%s: unexpected output: %s", k, util.StringDiff(expect, string(result)))
			continue
		}
	}
}