emissary/internal/command/server/database/migrate.go

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2023-02-02 10:55:24 +01:00
package database
import (
"forge.cadoles.com/Cadoles/emissary/internal/command/common"
"forge.cadoles.com/Cadoles/emissary/internal/migrate"
"github.com/pkg/errors"
"github.com/urfave/cli/v2"
"gitlab.com/wpetit/goweb/logger"
)
const (
MigrateVersionUp = "up"
MigrateVersionLatest = "latest"
MigrateVersionDown = "down"
)
func MigrateCommand() *cli.Command {
return &cli.Command{
Name: "migrate",
Usage: "Migrate database schema to latest version",
Flags: []cli.Flag{
&cli.StringFlag{
Name: "target",
Usage: "Migration target, default to latest",
Value: "latest",
},
&cli.IntFlag{
Name: "force",
Usage: "Force migration to version",
Value: -1,
},
},
Action: func(ctx *cli.Context) error {
conf, err := common.LoadConfig(ctx)
if err != nil {
return errors.Wrap(err, "Could not load configuration")
}
driver := string(conf.Server.Database.Driver)
dsn := string(conf.Server.Database.DSN)
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migr, err := migrate.New("migrations", driver, dsn)
if err != nil {
return errors.WithStack(err)
}
version, dirty, err := migr.Version()
if err != nil && !errors.Is(err, migrate.ErrNilVersion) {
return errors.WithStack(err)
}
logger.Info(
ctx.Context, "current database shema",
logger.F("version", version),
logger.F("dirty", dirty),
)
target := ctx.String("target")
force := ctx.Int("force")
if force != -1 {
logger.Info(ctx.Context, "forcing database schema version", logger.F("version", force))
if err := migr.Force(force); err != nil {
return errors.WithStack(err)
}
return nil
}
switch target {
case "":
fallthrough
case MigrateVersionLatest:
err = migr.Up()
case MigrateVersionDown:
err = migr.Steps(-1)
case MigrateVersionUp:
err = migr.Steps(1)
default:
return errors.Errorf(
"unknown migration target: '%s', available: '%s' (default), '%s' or '%s'",
target, MigrateVersionLatest, MigrateVersionUp, MigrateVersionDown,
)
}
if err != nil && !errors.Is(err, migrate.ErrNoChange) {
return errors.Wrap(err, "could not apply migration")
}
version, dirty, err = migr.Version()
if err != nil && !errors.Is(err, migrate.ErrNilVersion) {
return errors.WithStack(err)
}
logger.Info(
ctx.Context, "database shema after migration",
logger.F("version", version),
logger.F("dirty", dirty),
)
return nil
},
}
}