frostfs-node/pkg/local_object_storage/engine/control.go
Alex Vanin 980b774af2 [#426] engine: Support duration metrics
With `enable metrics` option, engine will collect
durations for all public methods.

Signed-off-by: Alex Vanin <alexey@nspcc.ru>
2021-03-17 10:58:00 +03:00

55 lines
1,007 B
Go

package engine
import (
"github.com/pkg/errors"
"go.uber.org/zap"
)
// Open opens all StorageEngine's components.
func (e *StorageEngine) Open() error {
e.mtx.RLock()
defer e.mtx.RUnlock()
for id, sh := range e.shards {
if err := sh.Open(); err != nil {
return errors.Wrapf(err, "could not open shard %s", id)
}
}
return nil
}
// Init initializes all StorageEngine's components.
func (e *StorageEngine) Init() error {
e.mtx.RLock()
defer e.mtx.RUnlock()
for id, sh := range e.shards {
if err := sh.Init(); err != nil {
return errors.Wrapf(err, "could not initialize shard %s", id)
}
}
if e.enableMetrics {
registerMetrics()
}
return nil
}
// Close releases all StorageEngine's components.
func (e *StorageEngine) Close() error {
e.mtx.RLock()
defer e.mtx.RUnlock()
for id, sh := range e.shards {
if err := sh.Close(); err != nil {
e.log.Debug("could not close shard",
zap.String("id", id),
zap.String("error", err.Error()),
)
}
}
return nil
}