// Init data store.
func Init(driver, url, dbname string) {
log.Info("init data store")
d, ok := drivers[strings.ToLower(driver)]
if !ok {
log.Fatal("unknown database driver")
}
s, err := d.Open(url, dbname)
if err != nil {
log.Fatal("unable to connect to %s database with %s: %+v", driver, url, err)
}
setStore(s)
}
// setStore initializes global data store
func setStore(s Store) {
if s == nil {
log.Fatal("data store is not initialized")
}
log.Info("data store initialized")
store = s
cleanup = func() {
store.Close()
log.Info("data store closed")
}
}
func makeRedisStore() data.Store {
flag.Parse()
const (
url = "tcp://127.0.0.1:6379/15"
)
var store, err = redis.Open(url, true)
if err != nil {
log.Fatal("unable to connect to redis with %s: %+v", url, err)
}
return store
}
func makeBoltStore() data.Store {
flag.Parse()
const (
path = "test.db"
)
var store, err = boltdb.Open(path, true)
if err != nil {
log.Fatal("unable to connect to database with %s: %+v", path, err)
}
return store
}
func makeLedisStore() data.Store {
flag.Parse()
const (
path = "data"
db = 0
)
var store, err = ledis.Open(path, db, true)
if err != nil {
log.Fatal("unable to connect to database with %s: %+v", path, err)
}
return store
}
func makePgStore() data.Store {
flag.Parse()
const (
dburl = "user=postgres password=$PGPWD sslmode=disable"
dbname = "test"
)
var store, err = postgresql.Open(dburl, dbname, true)
if err != nil {
log.Fatal("unable to connect to database with %s: %+v", dburl, err)
}
return store
}
func makeMongoStore() data.Store {
flag.Parse()
const (
dburl = "127.0.0.1"
dbname = "test"
)
var store, err = mongo.Open(dburl, dbname, true)
if err != nil {
log.Fatal("unable to connect to database with %s: %+v", dburl, err)
}
return store
}