Merge pull request #8 from luclu7/add-socket-support

Add socket support

.gitignore

@@ -12,3 +12,6 @@ Icon
 config.ini
 log/* 
 dist/*
+
+# binary
+sacrebleu-dns

README.md

@@ -38,24 +38,24 @@ You can show theses informations using ``./sacrebleu-dns -h``.
 Variables names are case sensitives.
 |Variable name|Type|Example|Informations|
 |--|--|--|--|
-| AppMode | string|``"production"``|Anything different than ``production`` will show debug messages
+| app_mode | string|``"production"``|Anything different than ``production`` will show debug messages
 | App | Section |
 |IP|string|``":"``|IP address on which the DNS server must listen. Blank to listen on all IPs 
 |Port|int|``5353``|Port on which the DNS server must listen
 |Logfile|bool|``true``|Enable or disable file logs.
 |Database|Section|
-|IP|string|``"127.0.0.1"``|SQL Database IP 
+|Type|string|``"postgresql"``|SQL Database type. ``"postgresql"`` or ``"mysql"`` (anything different than ``"postgresql"`` will rollback to ``"mysql"``)
+|Host|string|``"127.0.0.1"``  ``"/var/run/postgres"``|Can be either an IP or a path to a socket for Postgres
 |Username|string|``"sacrebleu"``|SQL Database Username
-|Password|string|``"superSecretPassword"``|SQL Database Password
+|Password|string|``"superSecretPassword"``|SQL Database Password (optional)
 |Port|string|``"5432"``|SQL Database port (``"5432"`` for postgres or ``"3306"`` for MySQL by default)
 |Db|string|``"sacrebleudatabase"``|SQL Database Name 
-|Type|string|``"postgresql"``|SQL Database type. ``"postgresql"`` or ``"mysql"`` (anything different than ``"postgresql"`` will rollback to ``"mysql"``
 |Redis|Section
 |IP|string|``"127.0.0.1"``|Redis Database IP 
 |Password|string|``""``|Redis Database Password
 |Port|int|``6379``|Redis Database port
-|Db|int|``0``|Redis Database ID
+|DB|int|``0``|Redis Database ID
-|Ttl|int|``10``|Redis Time To Live (in seconds)
+|TTL|int|``10``|Redis Time To Live (in seconds)
 
 ## What is working 
 - Read records (stricts & wildcard) from MySQL

extra/config.ini.example

@@ -1,4 +1,4 @@
-AppMode = "production" #Anything != production will show DEBUG messages
+app_mode = "production" #Anything != production will show DEBUG messages
 
 [App]
 IP = ""
@@ -7,16 +7,18 @@ Logfile = true
 Logdir = "/var/log/"
 
 [Database]
-IP = "127.0.0.1"
+# Type can be either postgresql or mysql
+Type = "postgresql"
+# if type if postgres, you can also connect to the DB with a socket file
+Host = "127.0.0.1" # can be either an IP address or a socket, it's often /var/run/postgresql/
 Username = "sacrebleu"
 Password = "superSecretPassword"
 Port = "3306"
-Db = "sacrebleudatabase"
+DB = "sacrebleudatabase"
-Type = "mysql" #postgresql or mysql
 
 [Redis]
 IP = "127.0.0.1"
 Port = 6379
 Password = ""
-Db = 0
+DB = 0
-Ttl = 10  #In seconds 
+TTL = 10  #In seconds 

utils/sql.go

@@ -32,13 +32,13 @@ func SQLDatabase(conf *Conf) {
 	}
 
 	if conf.Database.Type == "postgresql" {
-		dsn := fmt.Sprintf("user=%s password=%s host=%s port=%s database=%s sslmode=disable", conf.Database.Username, conf.Database.Password, conf.Database.IP, conf.Database.Port, conf.Database.Db)
+		dsn := fmt.Sprintf("user=%s password=%s host=%s port=%s database=%s sslmode=disable", conf.Database.Username, conf.Database.Password, conf.Database.Host, conf.Database.Port, conf.Database.Db)
-
 		db, err = gorm.Open(postgres.Open(dsn), &gorm.Config{
 			Logger: logger.Default.LogMode(gormLogLevel),
 		})
+
 	} else {
-		dsn := fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?charset=utf8mb4&parseTime=True&loc=Local", conf.Database.Username, conf.Database.Password, conf.Database.IP, conf.Database.Port, conf.Database.Db)
+		dsn := fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?charset=utf8mb4&parseTime=True&loc=Local", conf.Database.Username, conf.Database.Password, conf.Database.Host, conf.Database.Port, conf.Database.Db)
 
 		db, err = gorm.Open(mysql.Open(dsn), &gorm.Config{
 			Logger: logger.Default.LogMode(gormLogLevel),

utils/structs.go

@@ -3,33 +3,33 @@ package utils
 //App : Struct for App (dns server) configuration in the config.ini file
 type App struct {
 	Port    int
-	IP      string
+	IP      string `ini:"IP"`
 	Logdir  string
 	Logfile bool
 }
 
 //Database : Struct for SQL Database configuration in the config.ini file
 type Database struct {
-	IP       string
+	Host     string `ini:"Host"`
 	Port     string
 	Username string
 	Password string
-	Db       string
+	Db       string `ini:"DB"`
 	Type     string
 }
 
 //Redis : Struct for Redis  Database configuration in the config.ini file
 type Redis struct {
-	IP       string
+	IP       string `ini:"IP"`
 	Port     int
 	Password string
-	Db       int
+	Db       int `ini:"DB"`
-	TTL      int
+	TTL      int `ini:"TTL"`
 }
 
 //Conf : Struct for the whole config.ini file when it will be parsed by go-ini
 type Conf struct {
-	AppMode string
+	AppMode string `ini:"app_mode"`
 	App
 	Database
 	Redis