catalog-service/src/cmd/migrate/main.go
Piotr Biernat 5b87c14d65 update
2024-12-06 14:18:01 +01:00

91 lines
2.4 KiB
Go

package main
import (
"flag"
"fmt"
"log"
"os"
"github.com/go-pg/migrations/v8"
"github.com/go-pg/pg/v10"
"git.ego.cloudns.be/egommerce/go-api-pkg/fluentd"
cnf "git.ego.cloudns.be/egommerce/catalog-service/internal/server"
baseCnf "git.ego.cloudns.be/egommerce/go-api-pkg/config"
)
const (
defAppName = "catalog-svc-migrations"
defMigrationsTableName = "catalog.migrations"
defLoggerAddr = "api-logger:24224"
// defKVNmspc = "dev.egommerce/service/catalog-migration"
)
const usageText = `This program runs command on the db. Supported commands are:
- init - creates version info table in the database
- up - runs all available migrations.
- up [target] - runs available migrations up to the target one.
- down - reverts last migration.
- reset - reverts all migrations.
- version - prints current db version.
- set_version [version] - sets db version without running migrations.
Usage:
go run cmd/migrate/main.go <command> [args]
`
func main() {
flag.Usage = func() {
fmt.Print(usageText)
flag.PrintDefaults()
os.Exit(2)
}
flag.Parse()
if baseCnf.ErrLoadingEnvs != nil {
log.Panicln("Error loading .env file", baseCnf.ErrLoadingEnvs)
}
c := cnf.NewConfig("catalog-migrator")
// dbURL := baseCnf.GetEnv("DATABASE_URL", defDbURL)
logHost, logPort, err := fluentd.ParseAddr(c.LoggerAddr)
if err != nil {
log.Fatalf("Error parsing logger addr: %s. Err: %v", c.LoggerAddr, err)
}
logger, err := fluentd.NewLogger(c.GetAppFullName(), logHost, logPort) // @Refactor NewLogger return (logger, error)
if err != nil {
log.Fatalf("Error connecting to %s:%d. Err: %v", logHost, logPort, err)
}
defer logger.Close()
db := pg.Connect(&pg.Options{ // FIXME
Addr: "postgres-db:5432",
User: "postgres",
Password: "12345678",
Database: "egommerce",
})
defer db.Close()
mTbl := baseCnf.GetEnv("MIGRATIONS_TABLE_NAME", defMigrationsTableName)
mig := migrations.NewCollection()
mig.SetTableName(mTbl)
if err := mig.DiscoverSQLMigrations("./migrations"); err != nil {
logger.Log("migration dicovery error: %#v", err)
}
oldVersion, newVersion, err := mig.Run(db, flag.Args()...)
if err != nil {
logger.Log("migration runner error: %#v", err)
os.Exit(1)
}
if newVersion != oldVersion {
logger.Log("migrated from version %d to %d\n", oldVersion, newVersion)
} else {
logger.Log("version is %d\n", oldVersion)
}
// os.Exit(0)
}