eda62a91dc
* Move to yaml sqlc config * Add util for ungraceful sql execs * Fix messages schema + add indexes * Add migration to drop+recreate messages table * Create index only if does not exist * Fix typo * Unexport function
129 lines
2.9 KiB
Go
129 lines
2.9 KiB
Go
// This is a centralized place to connect to the database, and hold a reference to it.
|
|
// Other packages can share this reference. This package would also be a place to add any kind of
|
|
// persistence-related convenience methods or migrations.
|
|
|
|
package data
|
|
|
|
import (
|
|
"database/sql"
|
|
"fmt"
|
|
"os"
|
|
"path/filepath"
|
|
"time"
|
|
|
|
"github.com/owncast/owncast/config"
|
|
"github.com/owncast/owncast/utils"
|
|
log "github.com/sirupsen/logrus"
|
|
)
|
|
|
|
const (
|
|
schemaVersion = 6
|
|
)
|
|
|
|
var (
|
|
_db *sql.DB
|
|
_datastore *Datastore
|
|
)
|
|
|
|
// GetDatabase will return the shared instance of the actual database.
|
|
func GetDatabase() *sql.DB {
|
|
return _db
|
|
}
|
|
|
|
// GetStore will return the shared instance of the read/write datastore.
|
|
func GetStore() *Datastore {
|
|
return _datastore
|
|
}
|
|
|
|
// SetupPersistence will open the datastore and make it available.
|
|
func SetupPersistence(file string) error {
|
|
// Allow support for in-memory databases for tests.
|
|
|
|
var db *sql.DB
|
|
|
|
if file == ":memory:" {
|
|
inMemoryDb, err := sql.Open("sqlite3", file)
|
|
if err != nil {
|
|
log.Fatal(err.Error())
|
|
}
|
|
db = inMemoryDb
|
|
} else {
|
|
// Create empty DB file if it doesn't exist.
|
|
if !utils.DoesFileExists(file) {
|
|
log.Traceln("Creating new database at", file)
|
|
|
|
_, err := os.Create(file) //nolint:gosec
|
|
if err != nil {
|
|
log.Fatal(err.Error())
|
|
}
|
|
}
|
|
|
|
onDiskDb, err := sql.Open("sqlite3", fmt.Sprintf("file:%s?_cache_size=10000&cache=shared&_journal_mode=WAL", file))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
db = onDiskDb
|
|
db.SetMaxOpenConns(1)
|
|
}
|
|
_db = db
|
|
|
|
// Some SQLite optimizations
|
|
_, _ = db.Exec("pragma journal_mode = WAL")
|
|
_, _ = db.Exec("pragma synchronous = normal")
|
|
_, _ = db.Exec("pragma temp_store = memory")
|
|
_, _ = db.Exec("pragma wal_checkpoint(full)")
|
|
|
|
createWebhooksTable()
|
|
createUsersTable(db)
|
|
createAccessTokenTable(db)
|
|
|
|
if _, err := db.Exec(`CREATE TABLE IF NOT EXISTS config (
|
|
"key" string NOT NULL PRIMARY KEY,
|
|
"value" TEXT
|
|
);`); err != nil {
|
|
return err
|
|
}
|
|
|
|
var version int
|
|
err := db.QueryRow("SELECT value FROM config WHERE key='version'").
|
|
Scan(&version)
|
|
if err != nil {
|
|
if err != sql.ErrNoRows {
|
|
return err
|
|
}
|
|
|
|
// fresh database: initialize it with the current schema version
|
|
_, err := db.Exec("INSERT INTO config(key, value) VALUES(?, ?)", "version", schemaVersion)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
version = schemaVersion
|
|
}
|
|
|
|
// is database from a newer Owncast version?
|
|
if version > schemaVersion {
|
|
return fmt.Errorf("incompatible database version %d (versions up to %d are supported)",
|
|
version, schemaVersion)
|
|
}
|
|
|
|
// is database schema outdated?
|
|
if version < schemaVersion {
|
|
if err := migrateDatabaseSchema(db, version, schemaVersion); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
_datastore = &Datastore{}
|
|
_datastore.Setup()
|
|
|
|
dbBackupTicker := time.NewTicker(1 * time.Hour)
|
|
go func() {
|
|
backupFile := filepath.Join(config.BackupDirectory, "owncastdb.bak")
|
|
for range dbBackupTicker.C {
|
|
utils.Backup(_db, backupFile)
|
|
}
|
|
}()
|
|
|
|
return nil
|
|
}
|