Added config builder

Added config builder
Config Client
Config Maker
Run-time Config change support
File-base as TOML
Secure File support
Secure Key Support

configmdl/configmdl.go

+package configmdl
+
+import (
+	"corelab.mkcl.org/MKCLOS/coredevelopmentplatform/corepkgv2/filemdl"
+	"corelab.mkcl.org/MKCLOS/coredevelopmentplatform/corepkgv2/securitymdl"
+	"github.com/BurntSushi/toml"
+	pellgotoml "github.com/pelletier/go-toml"
+)
+
+// InitConfig initConfig
+func InitConfig(fpath string, config interface{}) (toml.MetaData, error) {
+	return toml.DecodeFile(fpath, config)
+}
+
+// var config tomlConfig
+// InitConfig("../testingdata/testData/config/config.toml", &config)
+// fmt.Println(config.Name)
+
+//******* SECURE *******//
+
+// InitConfigSecure - Init Config Secure
+func InitConfigSecure(fpath string, config interface{}, key []byte) (toml.MetaData, error) {
+	fileBytes, fileReadErr := filemdl.ReadFile(fpath)
+	if fileReadErr != nil {
+		return toml.MetaData{}, fileReadErr
+	}
+	fileContent, decryptErr := securitymdl.AESDecrypt(fileBytes, key)
+	if decryptErr != nil {
+		return toml.MetaData{}, decryptErr
+	}
+	return toml.Decode(string(fileContent), config)
+}
+
+// SaveConfig - SaveConfig
+func SaveConfig(fpath string, config interface{}) error {
+	bytes, tomlMarshalError := pellgotoml.Marshal(config)
+	if tomlMarshalError != nil {
+		return tomlMarshalError
+	}
+	writeError := filemdl.WriteFile(fpath, bytes, false, false)
+	if writeError != nil {
+		return writeError
+	}
+	return nil
+}
+
+// SaveConfigSecure - SaveConfigSecure
+func SaveConfigSecure(fpath string, config interface{}, key []byte) error {
+	configBytes, tomlMarshalError := pellgotoml.Marshal(config)
+	if tomlMarshalError != nil {
+		return tomlMarshalError
+	}
+
+	encryptedBytes, encryptError := securitymdl.AESEncrypt(configBytes, key)
+
+	if encryptError != nil {
+		return encryptError
+	}
+
+	writeError := filemdl.WriteFile(fpath, encryptedBytes, false, false)
+	if writeError != nil {
+		return writeError
+	}
+	return nil
+}

configmdl/configmdl_test.go

+package configmdl
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+type tomlConfig struct {
+	Title           string
+	Name            string
+	AdditionalField string
+	Version         string
+}
+
+func TestInitConfig(t *testing.T) {
+	var config tomlConfig
+	InitConfig("../testingdata/testData/config/config.toml", &config)
+	assert.True(t, config.Name == "github.com/OneOfOne/xxhash", "this should not throw error")
+}
+
+func TestSaveConfig(t *testing.T) {
+	var config tomlConfig
+	InitConfig("../testingdata/testData/config/config.toml", &config)
+	err := SaveConfig("../testingdata/testData/config/config-save.toml", config)
+	assert.NoError(t, err, "This should not throw error")
+}
+
+func TestSaveConfigSecure(t *testing.T) {
+	var config tomlConfig
+	InitConfig("../testingdata/testData/config/config.toml", &config)
+	key := "1234567891234567"
+	err := SaveConfigSecure("../testingdata/testData/config/config-save-secure.toml", config, []byte(key))
+	assert.NoError(t, err, "This should not throw error")
+}
+
+func TestInitConfigSecure(t *testing.T) {
+	var config tomlConfig
+	InitConfig("../testingdata/testData/config/config.toml", &config)
+	key := "1234567891234567"
+	SaveConfigSecure("../testingdata/testData/config/config-save-secure.toml", config, []byte(key))
+
+	_, err := InitConfigSecure("../testingdata/testData/config/config-save-secure.toml", &config, []byte(key))
+	fmt.Println("config: ", config)
+	assert.NoError(t, err, "This should not throw error")
+}

testingdata/testData/config/config.toml

+# sample.toml example
+name = "github.com/OneOfOne/xxhash"
+version = "1.2.2"
\ No newline at end of file