recipes2/cmd/migrator/main.go

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2024-01-18 18:48:27 +02:00
package main
import (
"errors"
"flag"
"fmt"
"recipes/internal/config"
"github.com/golang-migrate/migrate/v4"
_ "github.com/golang-migrate/migrate/v4/database/postgres"
_ "github.com/golang-migrate/migrate/v4/source/file"
)
func main() {
var migrationsPath string
var down bool
flag.StringVar(&migrationsPath, "migrations-path", "", "path to migrations")
flag.BoolVar(&down, "down", false, "")
// flag.StringVar(&configFile, "config", "", "config file location")
flag.Parse()
if migrationsPath == "" {
panic("migrations-path is required")
}
// load config
cfg := config.MustLoad()
m, err := migrate.New("file://"+migrationsPath, fmt.Sprintf("postgres://%s:%s@%s/%s?sslmode=disable", cfg.Postgresql.User, cfg.Postgresql.Password, cfg.Postgresql.Address, cfg.Postgresql.DBName))
if err != nil {
panic(err)
}
if down {
if err := m.Down(); err != nil {
if errors.Is(err, migrate.ErrNoChange) {
fmt.Println("no migrations downed")
return
}
panic(err)
}
fmt.Println("migrations downed successfully")
return
}
if err := m.Up(); err != nil {
if errors.Is(err, migrate.ErrNoChange) {
fmt.Println("no migrations apply")
return
}
panic(err)
}
fmt.Println("migrations applied successfully")
}