frostfs-node/pkg/local_object_storage/shard/control.go
Evgenii Stratonikov 71b87155ef [#521] *: use stdlib errors package
Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
2021-05-19 16:42:54 +03:00

78 lines
1.5 KiB
Go

package shard
import (
"fmt"
)
// Open opens all Shard's components.
func (s *Shard) Open() error {
components := []interface{ Open() error }{
s.blobStor, s.metaBase,
}
if s.hasWriteCache() {
components = append(components, s.writeCache)
}
for _, component := range components {
if err := component.Open(); err != nil {
return fmt.Errorf("could not open %T: %w", component, err)
}
}
return nil
}
// Init initializes all Shard's components.
func (s *Shard) Init() error {
components := []interface{ Init() error }{
s.blobStor, s.metaBase,
}
if s.hasWriteCache() {
components = append(components, s.writeCache)
}
for _, component := range components {
if err := component.Init(); err != nil {
return fmt.Errorf("could not initialize %T: %w", component, err)
}
}
gc := &gc{
gcCfg: s.gcCfg,
remover: s.removeGarbage,
mEventHandler: map[eventType]*eventHandlers{
eventNewEpoch: {
cancelFunc: func() {},
handlers: []eventHandler{
s.collectExpiredObjects,
s.collectExpiredTombstones,
},
},
},
}
gc.init()
return nil
}
// Close releases all Shard's components.
func (s *Shard) Close() error {
components := []interface{ Close() error }{
s.blobStor, s.metaBase,
}
if s.hasWriteCache() {
components = append(components, s.writeCache)
}
for _, component := range components {
if err := component.Close(); err != nil {
return fmt.Errorf("could not close %s: %w", component, err)
}
}
return nil
}