func (uc *UpCommand) Up() {
// An 'Up' will walk through all migrations and apply 'default' to the target environment.
// All migrations will then be walked again, applying any migrations containing the target environment.
logger := gull.NewLogger(uc.Verbose)
var target gull.MigrationTarget
if uc.DryRun {
target = gull.NewMockMigrationTarget(uc.Application, uc.Environment, logger)
} else {
target = gull.NewEtcdMigrationTarget(uc.EtcdHostUrl, uc.Application, uc.Environment, uc.Full, logger)
}
up := gull.NewUp(uc.SourceDirectory, target)
err := up.Migrate()
if err != nil {
fmt.Printf("An error occurred while performing the migration: [%+v]\n", err)
os.Exit(1)
}
if uc.DryRun {
target.Debug()
}
}
func (dc *DownCommand) Down() {
// A 'Down' will remove all the current configuration for an environment.
// Then all migrations that were stored in etcd for that environment are applied, ignoring the latest migration.
logger := gull.NewLogger(dc.Verbose)
var target gull.MigrationTarget
if dc.DryRun {
target = gull.NewMockMigrationTarget(dc.Application, dc.Environment, logger)
} else {
target = gull.NewEtcdMigrationTarget(dc.EtcdHostUrl, dc.Application, dc.Environment, false, logger)
}
down := gull.NewDown(target)
err := down.Migrate()
if err != nil {
fmt.Printf("An error occurred while performing the migration: [%+v]\n", err)
os.Exit(1)
}
if dc.DryRun {
target.Debug()
}
}