func Set()

in internal/cmd/set.go [76:139]
46 lines of code
12 McCabe index (conditional complexity)

func Set(environment string, subcomponent string, pathValuePairStrings []string, noNewConfigKeys bool, inputFile string) (err error) {

	subcomponentPath := []string{}
	if len(subcomponent) > 0 {
		subcomponentPath = strings.Split(subcomponent, ".")
	}

	componentConfig := core.NewComponentConfig(".")

	// Load input file if provided
	inputFileValuePairList := []string{}
	if inputFile != "" {
		bytes, err := ioutil.ReadFile(inputFile)
		if err != nil {
			return err
		}
		yamlContent := map[string]interface{}{}
		err = yaml.Unmarshal(bytes, &yamlContent)
		if err != nil {
			return err
		}

		// Flatten the map
		flattenedInputFileContentMap := util.FlattenMap(yamlContent, ".", []string{})

		// Append all key/value in map to the flattened list
		for k, v := range flattenedInputFileContentMap {
			// Join to PathValue strings with "="
			valueAsString := fmt.Sprintf("%v", v)
			joined := strings.Join([]string{k, valueAsString}, "=")
			inputFileValuePairList = append(inputFileValuePairList, joined)
		}
	}

	pathValuePairs, err := SplitPathValuePairs(append(inputFileValuePairList, pathValuePairStrings...))

	if err != nil {
		return err
	}

	if err := componentConfig.Load(environment); err != nil {
		return err
	}

	newConfigError := errors.New("new configuration was specified and the --no-new-config-keys switch is on")

	for _, pathValue := range pathValuePairs {
		if noNewConfigKeys {
			if !componentConfig.HasSubcomponentConfig(subcomponentPath) {
				return newConfigError
			}

			sc := componentConfig.GetSubcomponentConfig(subcomponentPath)

			if !sc.HasComponentConfig(pathValue.Path) {
				return newConfigError
			}
		}

		componentConfig.SetConfig(subcomponentPath, pathValue.Path, pathValue.Value)
	}

	return componentConfig.Write(environment)
}