feat: add migrate database from a source to a target databse

pkg/migrate.go

@@ -0,0 +1,31 @@
+package pkg
+
+import (
+	"fmt"
+	"github.com/jkaninda/pg-bkup/utils"
+	"github.com/spf13/cobra"
+	"time"
+)
+
+func StartMigration(cmd *cobra.Command) {
+	utils.Info("Starting database migration...")
+	//Get DB config
+	dbConf = getDbConfig(cmd)
+	sDbConf = getSourceDbConfig()
+
+	//Generate file name
+	backupFileName := fmt.Sprintf("%s_%s.sql", sDbConf.sourceDbName, time.Now().Format("20060102_150405"))
+	//Backup Source Database
+	newDbConfig := dbConfig{}
+	newDbConfig.dbHost = sDbConf.sourceDbHost
+	newDbConfig.dbPort = sDbConf.sourceDbPort
+	newDbConfig.dbName = sDbConf.sourceDbName
+	newDbConfig.dbUserName = sDbConf.sourceDbUserName
+	newDbConfig.dbPassword = sDbConf.sourceDbPassword
+	BackupDatabase(&newDbConfig, backupFileName, true)
+	//Restore source database into target database
+	utils.Info("Restoring [%s] database into [%s] database...", sDbConf.sourceDbName, dbConf.dbName)
+	RestoreDatabase(dbConf, backupFileName)
+	utils.Info("[%s] database has been restored into [%s] database", sDbConf.sourceDbName, dbConf.dbName)
+	utils.Info("Database migration completed!")
+}