created fogg exp yaml_migrate command

cmd/exp/yaml_migrate.go

@@ -0,0 +1,19 @@
+package exp
+
+import (
+	"github.com/chanzuckerberg/fogg/exp/yaml_migrate"
+	"github.com/spf13/cobra"
+)
+
+func init() {
+	ExpCmd.AddCommand(yamlMigrateCmd)
+}
+
+var yamlMigrateCmd = &cobra.Command{
+	Use:   "yaml_migrate",
+	Short: "Converts fogg.json to fogg.yml",
+	Long:  "This command will convert the fogg.json to a fogg.yml file type.",
+	RunE: func(cmd *cobra.Command, args []string) error {
+		return yaml_migrate.JSONtoYML()
+	},
+}

config/v1/config.go

@@ -132,13 +132,13 @@ type TravisCI struct {
 }
 
 type Config struct {
-	Accounts map[string]Account `json:"accounts"`
-	Defaults Defaults           `json:"defaults"`
-	Docker   bool               `json:"docker,omitempty"`
-	Envs     map[string]Env     `json:"envs"`
-	Modules  map[string]Module  `json:"modules"`
-	Plugins  Plugins            `json:"plugins,omitempty"`
-	TravisCI *TravisCI          `json:"travis_ci,omitempty"`
+	Accounts map[string]Account `json:"accounts" json:"accounts"`
+	Defaults Defaults           `json:"defaults" json:"defaults"`
+	Docker   bool               `json:"docker,omitempty" json:"docker,omitempty"`
+	Envs     map[string]Env     `json:"envs" json:"envs"`
+	Modules  map[string]Module  `json:"modules" json:"modules"`
+	Plugins  Plugins            `json:"plugins,omitempty" json:"plugins,omitempty"`
+	TravisCI *TravisCI          `json:"travis_ci,omitempty" json:"travis_ci,omitempty"`
 }
 
 func ReadConfig(b []byte) (*Config, error) {

exp/yaml_migrate/yaml_migrate.go

@@ -0,0 +1,57 @@
+package yaml_migrate
+
+import (
+	"fmt"
+	"io/ioutil"
+	"os"
+
+	"gopkg.in/yaml.v2"
+)
+
+//TODO: Better Error Handling
+//Converts fogg.json to fogg.yml
+func JSONtoYML() error {
+	jsonFile, err := os.Open("fogg.json")
+	check(err)
+	fmt.Println("Successfully Opened fogg.json")
+	defer jsonFile.Close()
+
+	//Read the fogg.json file, convert it to yml format
+	byteValue, _ := ioutil.ReadAll(jsonFile)
+	ymlData, _ := JSONtoYAML(byteValue)
+
+	generateYMLFile(ymlData)
+	fmt.Println("Successfully created fogg.yml")
+	return nil
+}
+
+//Convert an existing json file into yml data
+func JSONtoYAML(jsonFileData []byte) ([]byte, error) {
+	var jsonObj interface{}
+
+	//Convert jsonFileData into a generic interface representing json
+	err := yaml.Unmarshal(jsonFileData, &jsonObj)
+	if err != nil {
+		return nil, err
+	}
+
+	// Convert generic json object into yml data
+	return yaml.Marshal(jsonObj)
+}
+
+//TODO: Consider overwritteing yml file
+// Create YML file
+func generateYMLFile(ymlData []byte) {
+	file, createErr := os.Create("fogg.yml")
+	check(createErr)
+	defer file.Close()
+
+	writeErr := ioutil.WriteFile("fogg.yml", ymlData, 0644)
+	check(writeErr)
+}
+
+func check(e error) {
+	if e != nil {
+		panic(e)
+	}
+}

init/init.go

@@ -4,10 +4,11 @@ import (
 	"encoding/json"
 
 	"github.com/chanzuckerberg/fogg/config"
-	"github.com/chanzuckerberg/fogg/config/v1"
+	v1 "github.com/chanzuckerberg/fogg/config/v1"
 	"github.com/chanzuckerberg/fogg/errs"
 	prompt "github.com/segmentio/go-prompt"
 	"github.com/spf13/afero"
+	"gopkg.in/yaml.v2"
 )
 
 const AWSProviderVersion = "1.27.0"
@@ -25,15 +26,32 @@ func userPrompt() (string, string, string, string, string, string) {
 
 func writeConfig(fs afero.Fs, config *v1.Config) error {
 	json, e := json.MarshalIndent(config, "", "  ")
+	yaml, yamlErr := yaml.Marshal(config)
+
 	if e != nil {
 		return errs.WrapInternal(e, "unable to marshal json")
+	} else if yamlErr != nil {
+		return errs.WrapInternal(yamlErr, "unable to marshal yaml")
 	}
 	configFile, e := fs.Create("fogg.json")
+	yamlConfigFile, yamlErr := fs.Create("fogg.yml")
+
 	if e != nil {
 		return errs.WrapInternal(e, "unable to create config file fogg.json")
+
+	} else if yamlErr != nil {
+		return errs.WrapInternal(yamlErr, "unable to create config file fogg.yml")
+	}
+	_, jsonError := configFile.Write(json)
+	_, yamlError := yamlConfigFile.Write(yaml)
+
+	//Created to return error
+	if jsonError != nil {
+		return jsonError
+	} else if yamlError != nil {
+		return yamlError
 	}
-	_, e3 := configFile.Write(json)
-	return e3
+	return nil
 }
 
 func Init(fs afero.Fs) error {