forked from vmware-archive/atc
/
log.go
57 lines (44 loc) · 1.32 KB
/
log.go
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package migrations
import (
"database/sql"
"reflect"
"runtime"
"strings"
"time"
"code.cloudfoundry.org/lager"
"github.com/BurntSushi/migration"
)
//go:generate counterfeiter . LimitedTx
type LimitedTx interface {
Exec(query string, args ...interface{}) (sql.Result, error)
Prepare(query string) (*sql.Stmt, error)
Query(query string, args ...interface{}) (*sql.Rows, error)
QueryRow(query string, args ...interface{}) *sql.Row
Stmt(stmt *sql.Stmt) *sql.Stmt
}
func WithLogger(logger lager.Logger, mig migration.Migrator) migration.Migrator {
fullName := runtime.FuncForPC(reflect.ValueOf(mig).Pointer()).Name()
i := strings.LastIndex(fullName, ".")
name := "unknown migration"
if i >= 0 {
name = fullName[i+1:]
}
logger = logger.Session("migrating", lager.Data{
"migration": name,
})
return func(tx migration.LimitedTx) error {
logger.Info("starting-migration")
start := time.Now()
defer func() {
logger.Info("finishing-migration", lager.Data{"duration": time.Since(start).String()})
}()
return mig(tx)
}
}
func Translogrifier(logger lager.Logger, migrations []migration.Migrator) []migration.Migrator {
loggingMigrations := make([]migration.Migrator, len(migrations))
for i, migration := range migrations {
loggingMigrations[i] = WithLogger(logger, migration)
}
return loggingMigrations
}