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readdb: close and open readdb on Run

This commit is contained in:
Simone Gotti 2019-07-24 15:20:41 +02:00
parent d18c878d4d
commit ceafc2ef98
2 changed files with 35 additions and 24 deletions
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27
internal/services/configstore/readdb/readdb.go
View File

@ -68,20 +68,10 @@ func NewReadDB(ctx context.Context, logger *zap.Logger, dataDir string, e *etcd.
if err := os.MkdirAll(dataDir, 0770); err != nil { if err := os.MkdirAll(dataDir, 0770); err != nil {
return nil, err return nil, err
} }
rdb, err := db.NewDB(db.Sqlite3, filepath.Join(dataDir, "db"))
if err != nil {
return nil, err
}
// populate readdb
if err := rdb.Create(ctx, Stmts); err != nil {
return nil, err
}
readDB := &ReadDB{ readDB := &ReadDB{
log: logger.Sugar(), log: logger.Sugar(),
dataDir: dataDir, dataDir: dataDir,
rdb: rdb,
e: e, e: e,
ost: ost, ost: ost,
dm: dm, dm: dm,
@ -114,7 +104,9 @@ func (r *ReadDB) Initialize(ctx context.Context) error {
func (r *ReadDB) ResetDB(ctx context.Context) error { func (r *ReadDB) ResetDB(ctx context.Context) error {
// TODO(sgotti) this needs to be protected by a mutex // TODO(sgotti) this needs to be protected by a mutex
if r.rdb != nil {
r.rdb.Close() r.rdb.Close()
}
// drop rdb // drop rdb
if err := os.Remove(filepath.Join(r.dataDir, "db")); err != nil { if err := os.Remove(filepath.Join(r.dataDir, "db")); err != nil {
@ -406,6 +398,20 @@ func (r *ReadDB) SyncRDB(ctx context.Context) error {
} }
func (r *ReadDB) Run(ctx context.Context) error { func (r *ReadDB) Run(ctx context.Context) error {
if r.rdb != nil {
r.rdb.Close()
}
rdb, err := db.NewDB(db.Sqlite3, filepath.Join(r.dataDir, "db"))
if err != nil {
return err
}
r.rdb = rdb
// populate readdb
if err := r.rdb.Create(ctx, Stmts); err != nil {
return err
}
revision, err := r.GetRevision(ctx) revision, err := r.GetRevision(ctx)
if err != nil { if err != nil {
return err return err
@ -468,7 +474,6 @@ func (r *ReadDB) Run(ctx context.Context) error {
case <-ctx.Done(): case <-ctx.Done():
r.log.Infof("readdb exiting") r.log.Infof("readdb exiting")
cancel() cancel()
r.rdb.Close()
return nil return nil
case <-errCh: case <-errCh:
// cancel context and wait for the all the goroutines to exit // cancel context and wait for the all the goroutines to exit

28
internal/services/runservice/readdb/readdb.go
View File

@ -113,15 +113,6 @@ func NewReadDB(ctx context.Context, logger *zap.Logger, dataDir string, e *etcd.
if err := os.MkdirAll(dataDir, 0770); err != nil { if err := os.MkdirAll(dataDir, 0770); err != nil {
return nil, err return nil, err
} }
rdb, err := db.NewDB(db.Sqlite3, filepath.Join(dataDir, "db"))
if err != nil {
return nil, err
}
// populate readdb
if err := rdb.Create(ctx, Stmts); err != nil {
return nil, err
}
readDB := &ReadDB{ readDB := &ReadDB{
log: logger.Sugar(), log: logger.Sugar(),
@ -129,7 +120,6 @@ func NewReadDB(ctx context.Context, logger *zap.Logger, dataDir string, e *etcd.
dataDir: dataDir, dataDir: dataDir,
ost: ost, ost: ost,
dm: dm, dm: dm,
rdb: rdb,
} }
return readDB, nil return readDB, nil
@ -164,7 +154,9 @@ func (r *ReadDB) Initialize(ctx context.Context) error {
func (r *ReadDB) ResetDB(ctx context.Context) error { func (r *ReadDB) ResetDB(ctx context.Context) error {
// TODO(sgotti) this needs to be protected by a mutex // TODO(sgotti) this needs to be protected by a mutex
if r.rdb != nil {
r.rdb.Close() r.rdb.Close()
}
// drop rdb // drop rdb
if err := os.Remove(filepath.Join(r.dataDir, "db")); err != nil { if err := os.Remove(filepath.Join(r.dataDir, "db")); err != nil {
@ -256,6 +248,21 @@ func (r *ReadDB) SyncRDB(ctx context.Context) error {
} }
func (r *ReadDB) Run(ctx context.Context) error { func (r *ReadDB) Run(ctx context.Context) error {
if r.rdb != nil {
r.rdb.Close()
}
rdb, err := db.NewDB(db.Sqlite3, filepath.Join(r.dataDir, "db"))
if err != nil {
return err
}
r.rdb = rdb
// populate readdb
if err := r.rdb.Create(ctx, Stmts); err != nil {
return err
}
revision, err := r.GetRevision(ctx) revision, err := r.GetRevision(ctx)
if err != nil { if err != nil {
return err return err
@ -328,7 +335,6 @@ func (r *ReadDB) Run(ctx context.Context) error {
case <-ctx.Done(): case <-ctx.Done():
r.log.Infof("readdb exiting") r.log.Infof("readdb exiting")
cancel() cancel()
r.rdb.Close()
return nil return nil
case <-errCh: case <-errCh:
// cancel context and wait for the all the goroutines to exit // cancel context and wait for the all the goroutines to exit