Create redis session engine

app/cfg/cfg.go

@@ -10,13 +10,6 @@ import (
 )
 
 type configStruct struct {
-	Database struct {
-		Host     string `yaml:"host"`
-		Port     string `yaml:"port"`
-		Name     string `yaml:"name"`
-		Username string `yaml:"username"`
-		Password string `yaml:"password" json:"-"`
-	} `yaml:"database"`
 	Application struct {
 		SecretKey       string `yaml:"secretKey" json:"-"`
 		LogLevel        string `yaml:"logLevel"`
@@ -27,6 +20,21 @@ type configStruct struct {
 		IsProduction    bool   `yaml:"isProduction"`
 		LoopDelay       uint32 `yaml:"loopDelay"`
 	} `yaml:"application"`
+	Database struct {
+		Host     string `yaml:"host"`
+		Port     string `yaml:"port"`
+		Name     string `yaml:"name"`
+		Username string `yaml:"username"`
+		Password string `yaml:"password" json:"-"`
+	} `yaml:"database"`
+	Redis struct {
+		Host     string `yaml:"host"`
+		Port     int    `yaml:"port"`
+		Username string `yaml:"username"`
+		Password string `yaml:"password" json:"-"`
+		Database string `yaml:"database"`
+		Prefix   string `yaml:"prefix"`
+	} `yaml:"redis"`
 	SMTP struct {
 		Host      string `yaml:"host"`
 		Port      int    `yaml:"port"`
@@ -81,6 +89,7 @@ func Init() {
 
 	maskedCfg := Config
 	maskedCfg.Database.Password = "**password hidden**"
+	maskedCfg.Redis.Password = "**password hidden**"
 	maskedCfg.SMTP.Password = "**password hidden**"
 	maskedCfg.Application.SecretKey = "**secret key hidden**"
 

app/main.go

@@ -1,16 +1,53 @@
 package main
 
 import (
+	"fmt"
 	"iris-test/app/cfg"
 	"iris-test/app/db"
 	"iris-test/app/logging"
 	"iris-test/app/views"
+	"time"
 
 	"github.com/kataras/iris/v12"
+	"github.com/kataras/iris/v12/sessions"
+	"github.com/kataras/iris/v12/sessions/sessiondb/redis"
 )
 
+var redisDB *redis.Database
+
+func createSessionEngine() *sessions.Sessions {
+	redisAddr := fmt.Sprintf("%s:%d", cfg.Config.Redis.Host, cfg.Config.Redis.Port)
+
+	redisDB = redis.New(redis.Config{
+		Network:   "tcp",
+		Addr:      redisAddr,
+		Timeout:   time.Duration(30) * time.Second,
+		MaxActive: 10,
+		Username:  cfg.Config.Redis.Username,
+		Password:  cfg.Config.Redis.Password,
+		Database:  cfg.Config.Redis.Database,
+		Prefix:    cfg.Config.Redis.Prefix,
+		Driver:    redis.GoRedis(), // defaults to this driver.
+		// To set a custom, existing go-redis client, use the "SetClient" method:
+		// Driver: redis.GoRedis().SetClient(customGoRedisClient)
+	})
+
+	sessions_engine := sessions.New(sessions.Config{
+		Cookie:          "_session_id",
+		Expires:         0, // defaults to 0: unlimited life. Another good value is: 45 * time.Minute,
+		AllowReclaim:    true,
+		CookieSecureTLS: true,
+	})
+
+	sessions_engine.UseDatabase(redisDB)
+
+	return sessions_engine
+}
+
 func createApp() *iris.Application {
+	sessions_engine := createSessionEngine()
 	app := iris.New()
+	app.Use(sessions_engine.Handler())
 	app.RegisterView(iris.Jet("./app/templates", ".jet").Reload(true))
 	views.CreateRouter(app)
 	return app
@@ -22,5 +59,6 @@ func main() {
 	db.InitDB()
 
 	app := createApp()
+	defer redisDB.Close()
 	app.Listen(":8000")
 }