mirror of
https://github.com/woodpecker-ci/woodpecker.git
synced 2024-11-30 13:51:30 +00:00
123 lines
3.1 KiB
Go
123 lines
3.1 KiB
Go
package datastore
|
|
|
|
import (
|
|
"database/sql"
|
|
"os"
|
|
"time"
|
|
|
|
"github.com/drone/drone/store"
|
|
"github.com/drone/drone/store/datastore/ddl"
|
|
"github.com/rubenv/sql-migrate"
|
|
"github.com/russross/meddler"
|
|
|
|
"github.com/Sirupsen/logrus"
|
|
)
|
|
|
|
// datastore is an implementation of a model.Store built on top
|
|
// of the sql/database driver with a relational database backend.
|
|
type datastore struct {
|
|
*sql.DB
|
|
}
|
|
|
|
// New creates a database connection for the given driver and datasource
|
|
// and returns a new Store.
|
|
func New(driver, config string) store.Store {
|
|
return From(
|
|
open(driver, config),
|
|
)
|
|
}
|
|
|
|
// From returns a Store using an existing database connection.
|
|
func From(db *sql.DB) store.Store {
|
|
return &datastore{db}
|
|
}
|
|
|
|
// open opens a new database connection with the specified
|
|
// driver and connection string and returns a store.
|
|
func open(driver, config string) *sql.DB {
|
|
db, err := sql.Open(driver, config)
|
|
if err != nil {
|
|
logrus.Errorln(err)
|
|
logrus.Fatalln("database connection failed")
|
|
}
|
|
if driver == "mysql" {
|
|
// per issue https://github.com/go-sql-driver/mysql/issues/257
|
|
db.SetMaxIdleConns(0)
|
|
}
|
|
|
|
setupMeddler(driver)
|
|
|
|
if err := pingDatabase(db); err != nil {
|
|
logrus.Errorln(err)
|
|
logrus.Fatalln("database ping attempts failed")
|
|
}
|
|
|
|
if err := setupDatabase(driver, db); err != nil {
|
|
logrus.Errorln(err)
|
|
logrus.Fatalln("migration failed")
|
|
}
|
|
cleanupDatabase(db)
|
|
return db
|
|
}
|
|
|
|
// OpenTest opens a new database connection for testing purposes.
|
|
// The database driver and connection string are provided by
|
|
// environment variables, with fallback to in-memory sqlite.
|
|
func openTest() *sql.DB {
|
|
var (
|
|
driver = "sqlite3"
|
|
config = ":memory:"
|
|
)
|
|
if os.Getenv("DATABASE_DRIVER") != "" {
|
|
driver = os.Getenv("DATABASE_DRIVER")
|
|
config = os.Getenv("DATABASE_CONFIG")
|
|
}
|
|
return open(driver, config)
|
|
}
|
|
|
|
// helper function to ping the database with backoff to ensure
|
|
// a connection can be established before we proceed with the
|
|
// database setup and migration.
|
|
func pingDatabase(db *sql.DB) (err error) {
|
|
for i := 0; i < 30; i++ {
|
|
err = db.Ping()
|
|
if err == nil {
|
|
return
|
|
}
|
|
logrus.Infof("database ping failed. retry in 1s")
|
|
time.Sleep(time.Second)
|
|
}
|
|
return
|
|
}
|
|
|
|
// helper function to setup the databsae by performing
|
|
// automated database migration steps.
|
|
func setupDatabase(driver string, db *sql.DB) error {
|
|
var migrations = &migrate.AssetMigrationSource{
|
|
Asset: ddl.Asset,
|
|
AssetDir: ddl.AssetDir,
|
|
Dir: driver,
|
|
}
|
|
_, err := migrate.Exec(db, driver, migrations, migrate.Up)
|
|
return err
|
|
}
|
|
|
|
// helper function to avoid stuck jobs when Drone unexpectedly
|
|
// restarts. This is a temp fix for https://github.com/drone/drone/issues/1195
|
|
func cleanupDatabase(db *sql.DB) {
|
|
db.Exec("update builds set build_status = 'error' where build_status IN ('pending','running')")
|
|
db.Exec("update jobs set job_status = 'error' where job_status IN ('pending','running')")
|
|
}
|
|
|
|
// helper function to setup the meddler default driver
|
|
// based on the selected driver name.
|
|
func setupMeddler(driver string) {
|
|
switch driver {
|
|
case "sqlite3":
|
|
meddler.Default = meddler.SQLite
|
|
case "mysql":
|
|
meddler.Default = meddler.MySQL
|
|
case "postgres":
|
|
meddler.Default = meddler.PostgreSQL
|
|
}
|
|
}
|