314 lines
8.3 KiB
Go
314 lines
8.3 KiB
Go
package requests
|
|
|
|
import (
|
|
server "blackforestbytes.com/simplecloudnotifier"
|
|
"blackforestbytes.com/simplecloudnotifier/db/dbtools"
|
|
"blackforestbytes.com/simplecloudnotifier/db/schema"
|
|
"blackforestbytes.com/simplecloudnotifier/db/simplectx"
|
|
"blackforestbytes.com/simplecloudnotifier/models"
|
|
"context"
|
|
"database/sql"
|
|
"errors"
|
|
"fmt"
|
|
"github.com/glebarez/go-sqlite"
|
|
"github.com/jmoiron/sqlx"
|
|
"github.com/rs/zerolog/log"
|
|
"gogs.mikescher.com/BlackForestBytes/goext/exerr"
|
|
"gogs.mikescher.com/BlackForestBytes/goext/langext"
|
|
"gogs.mikescher.com/BlackForestBytes/goext/sq"
|
|
"os"
|
|
"path/filepath"
|
|
"time"
|
|
)
|
|
|
|
type Database struct {
|
|
db sq.DB
|
|
pp *dbtools.DBPreprocessor
|
|
wal bool
|
|
name string
|
|
schemaVersion int
|
|
schema map[int]schema.Def
|
|
}
|
|
|
|
func NewRequestsDatabase(cfg server.Config) (*Database, error) {
|
|
conf := cfg.DBRequests
|
|
|
|
url := fmt.Sprintf("file:%s?_pragma=journal_mode(%s)&_pragma=timeout(%d)&_pragma=foreign_keys(%s)&_pragma=busy_timeout(%d)",
|
|
conf.File,
|
|
conf.Journal,
|
|
conf.Timeout.Milliseconds(),
|
|
langext.FormatBool(conf.CheckForeignKeys, "true", "false"),
|
|
conf.BusyTimeout.Milliseconds())
|
|
|
|
if !langext.InArray("sqlite3", sql.Drivers()) {
|
|
sqlite.RegisterAsSQLITE3()
|
|
}
|
|
|
|
xdb, err := sqlx.Open("sqlite3", url)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if conf.SingleConn {
|
|
xdb.SetMaxOpenConns(1)
|
|
} else {
|
|
xdb.SetMaxOpenConns(5)
|
|
xdb.SetMaxIdleConns(5)
|
|
xdb.SetConnMaxLifetime(60 * time.Minute)
|
|
xdb.SetConnMaxIdleTime(60 * time.Minute)
|
|
}
|
|
|
|
qqdb := sq.NewDB(xdb, sq.DBOptions{RegisterDefaultConverter: langext.PTrue, RegisterCommentTrimmer: langext.PTrue})
|
|
models.RegisterConverter(qqdb)
|
|
|
|
if conf.EnableLogger {
|
|
qqdb.AddListener(dbtools.DBLogger{})
|
|
}
|
|
|
|
pp, err := dbtools.NewDBPreprocessor(qqdb)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
qqdb.AddListener(pp)
|
|
|
|
scndb := &Database{
|
|
db: qqdb,
|
|
pp: pp,
|
|
wal: conf.Journal == "WAL",
|
|
schemaVersion: schema.RequestsSchemaVersion,
|
|
schema: schema.RequestsSchema,
|
|
name: "requests",
|
|
}
|
|
|
|
return scndb, nil
|
|
}
|
|
|
|
func (db *Database) DB() sq.DB {
|
|
return db.db
|
|
}
|
|
|
|
func (db *Database) Migrate(outerctx context.Context) error {
|
|
innerctx, cancel := context.WithTimeout(outerctx, 24*time.Second)
|
|
tctx := simplectx.CreateSimpleContext(innerctx, cancel)
|
|
|
|
tx, err := tctx.GetOrCreateTransaction(db)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer func() {
|
|
if tx.Status() == sq.TxStatusInitial || tx.Status() == sq.TxStatusActive {
|
|
err = tx.Rollback()
|
|
if err != nil {
|
|
log.Err(err).Msg("failed to rollback transaction")
|
|
}
|
|
}
|
|
}()
|
|
|
|
ppReInit := false
|
|
|
|
currschema, err := db.ReadSchema(tctx)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
if currschema == db.schemaVersion {
|
|
log.Info().Msgf("Database [%s] is up-to-date (%d == %d)", db.name, currschema, db.schemaVersion)
|
|
}
|
|
|
|
for currschema < db.schemaVersion {
|
|
|
|
if currschema == 0 {
|
|
log.Info().Msgf("Migrate database (initialize) [%s] %d -> %d", db.name, currschema, db.schemaVersion)
|
|
|
|
schemastr := db.schema[db.schemaVersion].SQL
|
|
schemahash := db.schema[db.schemaVersion].Hash
|
|
|
|
_, err = tx.Exec(tctx, schemastr, sq.PP{})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
err = db.WriteMetaInt(tctx, "schema", int64(db.schemaVersion))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
err = db.WriteMetaString(tctx, "schema_hash", schemahash)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
ppReInit = true
|
|
|
|
currschema = db.schemaVersion
|
|
} else {
|
|
log.Info().Msgf("Migrate database [%s] %d -> %d", db.name, currschema, currschema+1)
|
|
|
|
err = db.migrateSingle(tctx, tx, currschema, currschema+1)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
currschema = currschema + 1
|
|
}
|
|
}
|
|
|
|
if currschema != db.schemaVersion {
|
|
return errors.New(fmt.Sprintf("Unknown DB schema: %d", currschema))
|
|
}
|
|
|
|
err = tx.Commit()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
if ppReInit {
|
|
log.Debug().Msg("Re-Init preprocessor")
|
|
err = db.pp.Init(outerctx) // Re-Init
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
//goland:noinspection SqlConstantCondition,SqlWithoutWhere
|
|
func (db *Database) migrateSingle(tctx *simplectx.SimpleContext, tx sq.Tx, schemaFrom int, schemaTo int) error {
|
|
|
|
if schemaFrom == schemaTo-1 {
|
|
|
|
migSQL := db.schema[schemaTo].MigScript
|
|
if migSQL == "" {
|
|
return exerr.New(exerr.TypeInternal, fmt.Sprintf("missing %s migration from %d to %d", db.name, schemaFrom, schemaTo)).Build()
|
|
}
|
|
|
|
return db.migrateBySQL(tctx, tx, migSQL, schemaFrom, schemaTo, db.schema[schemaTo].Hash, nil)
|
|
}
|
|
|
|
return exerr.New(exerr.TypeInternal, fmt.Sprintf("missing %s migration from %d to %d", db.name, schemaFrom, schemaTo)).Build()
|
|
}
|
|
|
|
func (db *Database) migrateBySQL(tctx *simplectx.SimpleContext, tx sq.Tx, stmts string, currSchemaVers int, resultSchemVers int, resultHash string, post func(tctx *simplectx.SimpleContext, tx sq.Tx) error) error {
|
|
|
|
schemaHashMeta, err := db.ReadMetaString(tctx, "schema_hash")
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
schemHashDBBefore, err := sq.HashSqliteDatabase(tctx, tx)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
if schemHashDBBefore != langext.Coalesce(schemaHashMeta, "") || langext.Coalesce(schemaHashMeta, "") != db.schema[currSchemaVers].Hash {
|
|
log.Debug().Str("schemHashDB", schemHashDBBefore).Msg("Schema (primary db)")
|
|
log.Debug().Str("schemaHashMeta", langext.Coalesce(schemaHashMeta, "")).Msg("Schema (primary db)")
|
|
log.Debug().Str("schemaHashAsset", db.schema[currSchemaVers].Hash).Msg("Schema (primary db)")
|
|
return errors.New("database schema does not match (primary db)")
|
|
} else {
|
|
log.Debug().Str("schemHash", schemHashDBBefore).Msg("Verified Schema consistency (primary db)")
|
|
}
|
|
|
|
log.Info().Msgf("Upgrade schema from %d -> %d", currSchemaVers, resultSchemVers)
|
|
|
|
_, err = tx.Exec(tctx, stmts, sq.PP{})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
schemHashDBAfter, err := sq.HashSqliteDatabase(tctx, tx)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
if schemHashDBAfter != resultHash {
|
|
|
|
schemaDBStr := langext.Must(createSqliteDatabaseSchemaStringFromSQL(tctx, db.schema[resultSchemVers].SQL))
|
|
resultDBStr := langext.Must(sq.CreateSqliteDatabaseSchemaString(tctx, tx))
|
|
|
|
fmt.Printf("========================================= SQL SCHEMA-DUMP STR (CORRECT | FROM COMPILED SCHEMA):%s\n=========================================\n\n", schemaDBStr)
|
|
fmt.Printf("========================================= SQL SCHEMA-DUMP STR (CURRNET | AFTER MIGRATION):%s\n=========================================\n\n", resultDBStr)
|
|
|
|
return fmt.Errorf("database [%s] schema does not match after [%d -> %d] migration (expected: %s | actual: %s)", db.name, currSchemaVers, resultSchemVers, resultHash, schemHashDBBefore)
|
|
}
|
|
|
|
err = db.WriteMetaInt(tctx, "schema", int64(resultSchemVers))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
err = db.WriteMetaString(tctx, "schema_hash", resultHash)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
log.Info().Msgf("Upgrade schema from %d -> %d succesfully", currSchemaVers, resultSchemVers)
|
|
|
|
return nil
|
|
}
|
|
|
|
func createSqliteDatabaseSchemaStringFromSQL(ctx context.Context, schemaStr string) (string, error) {
|
|
dbdir := os.TempDir()
|
|
dbfile1 := filepath.Join(dbdir, langext.MustHexUUID()+".sqlite3")
|
|
defer func() { _ = os.Remove(dbfile1) }()
|
|
|
|
err := os.MkdirAll(dbdir, os.ModePerm)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
url := fmt.Sprintf("file:%s?_pragma=journal_mode(%s)&_pragma=timeout(%d)&_pragma=foreign_keys(%s)&_pragma=busy_timeout(%d)", dbfile1, "DELETE", 1000, "true", 1000)
|
|
|
|
xdb, err := sqlx.Open("sqlite", url)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
db := sq.NewDB(xdb, sq.DBOptions{})
|
|
|
|
_, err = db.Exec(ctx, schemaStr, sq.PP{})
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
return sq.CreateSqliteDatabaseSchemaString(ctx, db)
|
|
}
|
|
|
|
func (db *Database) Ping(ctx context.Context) error {
|
|
return db.db.Ping(ctx)
|
|
}
|
|
|
|
func (db *Database) Version(ctx context.Context) (string, string, error) {
|
|
type rt struct {
|
|
Version string `db:"version"`
|
|
SourceID string `db:"sourceID"`
|
|
}
|
|
|
|
resp, err := sq.QuerySingle[rt](ctx, db.db, "SELECT sqlite_version() AS version, sqlite_source_id() AS sourceID", sq.PP{}, sq.SModeFast, sq.Safe)
|
|
if err != nil {
|
|
return "", "", err
|
|
}
|
|
|
|
return resp.Version, resp.SourceID, nil
|
|
}
|
|
|
|
func (db *Database) BeginTx(ctx context.Context) (sq.Tx, error) {
|
|
return db.db.BeginTransaction(ctx, sql.LevelDefault)
|
|
}
|
|
|
|
func (db *Database) Stop(ctx context.Context) error {
|
|
if db.wal {
|
|
_, err := db.db.Exec(ctx, "PRAGMA wal_checkpoint;", sq.PP{})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
err := db.db.Exit()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
return nil
|
|
}
|