Added database module with exportable functions

internal/database/database.go

@@ -0,0 +1,41 @@
+package database
+
+import (
+	"database/sql"
+
+	_ "github.com/go-sql-driver/mysql"
+)
+
+var Dbhost string
+var Dbname string
+var Dbuser string
+var Dbpass string
+
+// PerformQuery : Performs a MySQL query over the device's Edgebox API
+func PerformQuery() string {
+
+	// Will try to connect to API database, which should be running locally under WS.
+	db, err := sql.Open("mysql", Dbuser+":"+Dbpass+"@tcp("+Dbhost+")/"+Dbname)
+
+	// if there is an error opening the connection, handle it
+	if err != nil {
+		panic(err.Error())
+	}
+
+	// defer the close till after the main function has finished executing
+	defer db.Close()
+
+	// perform a db.Query insert
+	insert, err := db.Query("INSERT INTO options (name, value) VALUES ( 'TEST_OPTION_SYSCTL', 'TEST' );")
+
+	// if there is an error inserting, handle it
+	if err != nil {
+		panic(err.Error())
+	}
+
+	// be careful deferring Queries if you are using transactions
+	defer insert.Close()
+
+	return "OK"
+
+}

internal/database/go.mod

@@ -0,0 +1,3 @@
+module github.com/edgebox-iot/sysctl/internal/database
+
+go 1.15