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gc-bf.go
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gc-bf.go
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// Copyright (C) 2022 Storj Labs, Inc.
// See LICENSE for copying information.
package satellite
import (
"context"
"errors"
"net"
"runtime/pprof"
"github.com/spacemonkeygo/monkit/v3"
"github.com/zeebo/errs"
"go.uber.org/zap"
"golang.org/x/sync/errgroup"
"storj.io/common/peertls/extensions"
"storj.io/private/debug"
"storj.io/private/version"
"storj.io/storj/private/lifecycle"
"storj.io/storj/satellite/gc/bloomfilter"
"storj.io/storj/satellite/metabase"
"storj.io/storj/satellite/metabase/rangedloop"
"storj.io/storj/satellite/metabase/segmentloop"
"storj.io/storj/satellite/overlay"
)
// GarbageCollectionBF is the satellite garbage collection process which collects bloom filters.
//
// architecture: Peer
type GarbageCollectionBF struct {
Log *zap.Logger
DB DB
Servers *lifecycle.Group
Services *lifecycle.Group
Debug struct {
Listener net.Listener
Server *debug.Server
}
Overlay struct {
DB overlay.DB
}
Metainfo struct {
SegmentLoop *segmentloop.Service
}
GarbageCollection struct {
Config bloomfilter.Config
Service *bloomfilter.Service
}
RangedLoop struct {
Service *rangedloop.Service
}
}
// NewGarbageCollectionBF creates a new satellite garbage collection peer which collects storage nodes bloom filters.
func NewGarbageCollectionBF(log *zap.Logger, db DB, metabaseDB *metabase.DB, revocationDB extensions.RevocationDB,
versionInfo version.Info, config *Config, atomicLogLevel *zap.AtomicLevel) (*GarbageCollectionBF, error) {
peer := &GarbageCollectionBF{
Log: log,
DB: db,
Servers: lifecycle.NewGroup(log.Named("servers")),
Services: lifecycle.NewGroup(log.Named("services")),
}
{ // setup debug
var err error
if config.Debug.Address != "" {
peer.Debug.Listener, err = net.Listen("tcp", config.Debug.Address)
if err != nil {
withoutStack := errors.New(err.Error())
peer.Log.Debug("failed to start debug endpoints", zap.Error(withoutStack))
}
}
debugConfig := config.Debug
debugConfig.ControlTitle = "GC-BloomFilter"
peer.Debug.Server = debug.NewServerWithAtomicLevel(log.Named("debug"), peer.Debug.Listener, monkit.Default, debugConfig, atomicLogLevel)
peer.Servers.Add(lifecycle.Item{
Name: "debug",
Run: peer.Debug.Server.Run,
Close: peer.Debug.Server.Close,
})
}
{ // setup overlay
peer.Overlay.DB = peer.DB.OverlayCache()
}
{ // setup garbage collection bloom filters
log := peer.Log.Named("garbage-collection-bf")
peer.GarbageCollection.Config = config.GarbageCollectionBF
if config.GarbageCollectionBF.UseRangedLoop {
log.Info("using ranged loop")
provider := rangedloop.NewMetabaseRangeSplitter(metabaseDB, config.RangedLoop.AsOfSystemInterval, config.RangedLoop.BatchSize)
peer.RangedLoop.Service = rangedloop.NewService(log.Named("rangedloop"), config.RangedLoop, provider, []rangedloop.Observer{
bloomfilter.NewObserver(log.Named("gc-bf"),
config.GarbageCollectionBF,
peer.Overlay.DB,
),
})
if !config.GarbageCollectionBF.RunOnce {
peer.Services.Add(lifecycle.Item{
Name: "garbage-collection-bf",
Run: peer.RangedLoop.Service.Run,
Close: peer.RangedLoop.Service.Close,
})
peer.Debug.Server.Panel.Add(
debug.Cycle("Garbage Collection Bloom Filters", peer.RangedLoop.Service.Loop))
}
} else {
log.Info("using segments loop")
{ // setup metainfo
peer.Metainfo.SegmentLoop = segmentloop.New(
log.Named("segmentloop"),
config.Metainfo.SegmentLoop,
metabaseDB,
)
peer.Services.Add(lifecycle.Item{
Name: "metainfo:segmentloop",
Run: peer.Metainfo.SegmentLoop.Run,
Close: peer.Metainfo.SegmentLoop.Close,
})
}
peer.GarbageCollection.Service = bloomfilter.NewService(
log,
config.GarbageCollectionBF,
peer.Overlay.DB,
peer.Metainfo.SegmentLoop,
)
if !config.GarbageCollectionBF.RunOnce {
peer.Services.Add(lifecycle.Item{
Name: "garbage-collection-bf",
Run: peer.GarbageCollection.Service.Run,
})
peer.Debug.Server.Panel.Add(
debug.Cycle("Garbage Collection Bloom Filters", peer.GarbageCollection.Service.Loop))
}
}
}
return peer, nil
}
// Run runs satellite garbage collection until it's either closed or it errors.
func (peer *GarbageCollectionBF) Run(ctx context.Context) (err error) {
defer mon.Task()(&ctx)(&err)
ctx, cancel := context.WithCancel(ctx)
defer cancel()
group, ctx := errgroup.WithContext(ctx)
pprof.Do(ctx, pprof.Labels("subsystem", "gc-bloomfilter"), func(ctx context.Context) {
peer.Servers.Run(ctx, group)
peer.Services.Run(ctx, group)
if peer.GarbageCollection.Config.RunOnce {
group.Go(func() error {
if peer.GarbageCollection.Config.UseRangedLoop {
_, err = peer.RangedLoop.Service.RunOnce(ctx)
} else {
err = peer.GarbageCollection.Service.RunOnce(ctx)
}
cancel()
return err
})
}
pprof.Do(ctx, pprof.Labels("name", "subsystem-wait"), func(ctx context.Context) {
err = group.Wait()
})
})
return err
}
// Close closes all the resources.
func (peer *GarbageCollectionBF) Close() error {
return errs.Combine(
peer.Servers.Close(),
peer.Services.Close(),
)
}