Golang generic.NewMap函数代码示例

func singleAppManifest() *manifest.Manifest {
	return &manifest.Manifest{
		Path: "manifest.yml",
		Data: generic.NewMap(map[interface{}]interface{}{
			"applications": []interface{}{
				generic.NewMap(map[interface{}]interface{}{
					"name":      "manifest-app-name",
					"memory":    "128MB",
					"instances": 1,
					"host":      "manifest-host",
					"domain":    "manifest-example.com",
					"stack":     "custom-stack",
					"timeout":   360,
					"buildpack": "some-buildpack",
					"command":   `JAVA_HOME=$PWD/.openjdk JAVA_OPTS="-Xss995K" ./bin/start.sh run`,
					"path":      filepath.Clean("some/path/from/manifest"),
					"env": generic.NewMap(map[interface{}]interface{}{
						"FOO":  "baz",
						"PATH": "/u/apps/my-app/bin",
					}),
				}),
			},
		}),
	}
}

func envVarOrEmptyMap(yamlMap generic.Map, errs *[]error) *map[string]interface{} {
	key := "env"
	switch envVars := yamlMap.Get(key).(type) {
	case nil:
		aMap := make(map[string]interface{}, 0)
		return &aMap
	case map[string]interface{}:
		yamlMap.Set(key, generic.NewMap(yamlMap.Get(key)))
		return envVarOrEmptyMap(yamlMap, errs)
	case map[interface{}]interface{}:
		yamlMap.Set(key, generic.NewMap(yamlMap.Get(key)))
		return envVarOrEmptyMap(yamlMap, errs)
	case generic.Map:
		merrs := validateEnvVars(envVars)
		if merrs != nil {
			*errs = append(*errs, merrs...)
			return nil
		}

		result := make(map[string]interface{}, envVars.Count())
		generic.Each(envVars, func(key, value interface{}) {
			result[key.(string)] = value
		})

		return &result
	default:
		*errs = append(*errs, fmt.Errorf(T("Expected {{.Name}} to be a set of key => value, but it was a {{.Type}}.",
			map[string]interface{}{"Name": key, "Type": envVars})))
		return nil
	}
}

func (resource EventResourceNewV2) ToFields() models.EventFields {
	metadata := generic.NewMap(resource.Entity.Metadata)
	if metadata.Has("request") {
		metadata = generic.NewMap(metadata.Get("request"))
	}

	return models.EventFields{
		Guid:        resource.Metadata.Guid,
		Name:        resource.Entity.Type,
		Timestamp:   resource.Entity.Timestamp,
		Description: formatDescription(metadata, knownMetadataKeys),
		ActorName:   resource.Entity.ActorName,
	}
}

func (m *appManifest) Save(f io.Writer) error {
	y := generic.NewMap()

	apps := []generic.Map{}

	for _, app := range m.contents {
		appMap, mapErr := generateAppMap(app)
		if mapErr != nil {
			return fmt.Errorf(T("Error saving manifest: {{.Error}}", map[string]interface{}{
				"Error": mapErr.Error(),
			}))
		}
		apps = append(apps, appMap)
	}

	y.Set("applications", apps)

	contents, err := yaml.Marshal(y)
	if err != nil {
		return err
	}

	_, err = f.Write(contents)
	if err != nil {
		return err
	}

	return nil
}

func (m Manifest) Applications() ([]models.AppParams, error) {
	rawData, err := expandProperties(m.Data, generator.NewWordGenerator())
	if err != nil {
		return []models.AppParams{}, err
	}

	data := generic.NewMap(rawData)
	appMaps, err := m.getAppMaps(data)
	if err != nil {
		return []models.AppParams{}, err
	}

	var apps []models.AppParams
	var mapToAppErrs []error
	for _, appMap := range appMaps {
		app, err := mapToAppParams(filepath.Dir(m.Path), appMap)
		if err != nil {
			mapToAppErrs = append(mapToAppErrs, err)
			continue
		}

		apps = append(apps, app)
	}

	if len(mapToAppErrs) > 0 {
		message := ""
		for i := range mapToAppErrs {
			message = message + fmt.Sprintf("%s\n", mapToAppErrs[i].Error())
		}
		return []models.AppParams{}, errors.New(message)
	}

	return apps, nil
}

func (m Manifest) getAppMaps(data generic.Map) ([]generic.Map, error) {
	globalProperties := data.Except([]interface{}{"applications"})

	var apps []generic.Map
	var errs []error
	if data.Has("applications") {
		appMaps, ok := data.Get("applications").([]interface{})
		if !ok {
			return []generic.Map{}, errors.New(T("Expected applications to be a list"))
		}

		for _, appData := range appMaps {
			if !generic.IsMappable(appData) {
				errs = append(errs, fmt.Errorf(T("Expected application to be a list of key/value pairs\nError occurred in manifest near:\n'{{.YmlSnippet}}'",
					map[string]interface{}{"YmlSnippet": appData})))
				continue
			}

			appMap := generic.DeepMerge(globalProperties, generic.NewMap(appData))
			apps = append(apps, appMap)
		}
	} else {
		apps = append(apps, globalProperties)
	}

	if len(errs) > 0 {
		message := ""
		for i := range errs {
			message = message + fmt.Sprintf("%s\n", errs[i].Error())
		}
		return []generic.Map{}, errors.New(message)
	}

	return apps, nil
}

func manifestWithServicesAndEnv() *manifest.Manifest {
	return &manifest.Manifest{
		Data: generic.NewMap(map[interface{}]interface{}{
			"applications": []interface{}{
				generic.NewMap(map[interface{}]interface{}{
					"name":     "app1",
					"services": []interface{}{"app1-service", "global-service"},
					"env": generic.NewMap(map[interface{}]interface{}{
						"SOMETHING": "definitely-something",
					}),
				}),
				generic.NewMap(map[interface{}]interface{}{
					"name":     "app2",
					"services": []interface{}{"app2-service", "global-service"},
					"env": generic.NewMap(map[interface{}]interface{}{
						"SOMETHING": "nothing",
					}),
				}),
			},
		}),
	}
}

func parseManifest(file io.Reader) (yamlMap generic.Map, err error) {
	decoder := candiedyaml.NewDecoder(file)
	yamlMap = generic.NewMap()
	err = decoder.Decode(yamlMap)
	if err != nil {
		return
	}

	if !generic.IsMappable(yamlMap) {
		err = errors.New(T("Invalid manifest. Expected a map"))
		return
	}

	return
}

func parseManifest(file io.Reader) (yamlMap generic.Map, err error) {
	manifest, err := ioutil.ReadAll(file)
	if err != nil {
		return
	}

	mmap := make(map[interface{}]interface{})
	err = yaml.Unmarshal(manifest, &mmap)
	if err != nil {
		return
	}

	if !generic.IsMappable(mmap) || len(mmap) == 0 {
		err = errors.New(T("Invalid manifest. Expected a map"))
		return
	}

	yamlMap = generic.NewMap(mmap)

	return
}

func NewEmptyManifest() (m *Manifest) {
	return &Manifest{Data: generic.NewMap()}
}

func expandProperties(input interface{}, babbler generator.WordGenerator) (interface{}, error) {
	var errs []error
	var output interface{}

	switch input := input.(type) {
	case string:
		match := propertyRegex.FindStringSubmatch(input)
		if match != nil {
			if match[0] == "${random-word}" {
				output = strings.Replace(input, "${random-word}", strings.ToLower(babbler.Babble()), -1)
			} else {
				err := fmt.Errorf(T("Property '{{.PropertyName}}' found in manifest. This feature is no longer supported. Please remove it and try again.",
					map[string]interface{}{"PropertyName": match[0]}))
				errs = append(errs, err)
			}
		} else {
			output = input
		}
	case []interface{}:
		outputSlice := make([]interface{}, len(input))
		for index, item := range input {
			itemOutput, itemErr := expandProperties(item, babbler)
			if itemErr != nil {
				errs = append(errs, itemErr)
				break
			}
			outputSlice[index] = itemOutput
		}
		output = outputSlice
	case map[interface{}]interface{}:
		outputMap := make(map[interface{}]interface{})
		for key, value := range input {
			itemOutput, itemErr := expandProperties(value, babbler)
			if itemErr != nil {
				errs = append(errs, itemErr)
				break
			}
			outputMap[key] = itemOutput
		}
		output = outputMap
	case generic.Map:
		outputMap := generic.NewMap()
		generic.Each(input, func(key, value interface{}) {
			itemOutput, itemErr := expandProperties(value, babbler)
			if itemErr != nil {
				errs = append(errs, itemErr)
				return
			}
			outputMap.Set(key, itemOutput)
		})
		output = outputMap
	default:
		output = input
	}

	if len(errs) > 0 {
		message := ""
		for _, err := range errs {
			message = message + fmt.Sprintf("%s\n", err.Error())
		}
		return nil, errors.New(message)
	}

	return output, nil
}

	. "github.com/onsi/gomega"

	. "github.com/cloudfoundry/cli/testhelpers/matchers"
)

func NewManifest(path string, data generic.Map) (m *manifest.Manifest) {
	return &manifest.Manifest{Path: path, Data: data}
}

var _ = Describe("Manifests", func() {
	It("merges global properties into each app's properties", func() {
		m := NewManifest("/some/path/manifest.yml", generic.NewMap(map[interface{}]interface{}{
			"instances": "3",
			"memory":    "512M",
			"applications": []interface{}{
				map[interface{}]interface{}{
					"name":     "bitcoin-miner",
					"no-route": true,
				},
			},
		}))

		apps, err := m.Applications()
		Expect(err).NotTo(HaveOccurred())

		Expect(*apps[0].InstanceCount).To(Equal(3))
		Expect(*apps[0].Memory).To(Equal(int64(512)))
		Expect(apps[0].NoRoute).To(BeTrue())
	})

	Context("when there is no applications block", func() {
		It("returns a single application with the global properties", func() {

				))
				Expect(ui.Outputs).ToNot(ContainSubstrings([]string{"existing-app.example.com"}))

				Expect(routeRepo.FindByHostAndDomainCalledWith.Domain.Name).To(Equal("example.com"))
				Expect(routeRepo.FindByHostAndDomainCalledWith.Host).To(Equal(""))
				Expect(routeRepo.CreatedHost).To(Equal(""))
				Expect(routeRepo.CreatedDomainGuid).To(Equal("domain-guid"))
			})
		})
	})

	Describe("service instances", func() {
		BeforeEach(func() {
			serviceRepo.FindInstanceByNameMap = generic.NewMap(map[interface{}]interface{}{
				"global-service": maker.NewServiceInstance("global-service"),
				"app1-service":   maker.NewServiceInstance("app1-service"),
				"app2-service":   maker.NewServiceInstance("app2-service"),
			})

			manifestRepo.ReadManifestReturns.Manifest = manifestWithServicesAndEnv()
		})

		Context("when the service is not bound", func() {
			BeforeEach(func() {
				appRepo.ReadReturns.Error = errors.NewModelNotFoundError("App", "the-app")
			})

			It("binds service instances to the app", func() {
				callPush()
				Expect(len(serviceBinder.AppsToBind)).To(Equal(4))
				Expect(serviceBinder.AppsToBind[0].Name).To(Equal("app1"))

func (r *FakeRepo) ReadManifest(path string) (*manifest.Manifest, error) {
	yamlMap := generic.NewMap()
	candiedyaml.Unmarshal([]byte(r.yaml), yamlMap)
	return &manifest.Manifest{Data: yamlMap}, r.err
}

	"strings"

	. "github.com/cloudfoundry/cli/testhelpers/matchers"
)

func NewManifest(path string, data generic.Map) (m *manifest.Manifest) {
	return &manifest.Manifest{Path: path, Data: data}
}

var _ = Describe("Manifests", func() {
	It("merges global properties into each app's properties", func() {
		m := NewManifest("/some/path/manifest.yml", generic.NewMap(map[interface{}]interface{}{
			"instances": "3",
			"memory":    "512M",
			"applications": []interface{}{
				map[interface{}]interface{}{
					"name":     "bitcoin-miner",
					"no-route": true,
				},
			},
		}))

		apps, err := m.Applications()
		Expect(err).NotTo(HaveOccurred())

		Expect(*apps[0].InstanceCount).To(Equal(3))
		Expect(*apps[0].Memory).To(Equal(int64(512)))
		Expect(apps[0].NoRoute).To(BeTrue())
	})

	Describe("when there is no applications block", func() {
		It("returns a single application with the global properties", func() {