storj/satellite/gc.go
Michał Niewrzał e76cbc9bd5 satellite/gc: move GC to segments loop
This change is refactor to move GC from metainfo loop
(objects/segments)  to segments loop.

Change-Id: I21f1ff7cb0b6f98c41aa8930447b8d9bea227975
2021-06-01 20:36:02 +00:00

187 lines
4.9 KiB
Go

// Copyright (C) 2019 Storj Labs, Inc.
// See LICENSE for copying information.
package satellite
import (
"context"
"errors"
"net"
"github.com/spacemonkeygo/monkit/v3"
"github.com/zeebo/errs"
"go.uber.org/zap"
"golang.org/x/sync/errgroup"
"storj.io/common/identity"
"storj.io/common/peertls/extensions"
"storj.io/common/peertls/tlsopts"
"storj.io/common/rpc"
"storj.io/common/storj"
"storj.io/private/debug"
"storj.io/private/version"
"storj.io/storj/private/lifecycle"
version_checker "storj.io/storj/private/version/checker"
"storj.io/storj/satellite/gc"
"storj.io/storj/satellite/metabase"
"storj.io/storj/satellite/metabase/segmentloop"
"storj.io/storj/satellite/overlay"
)
// GarbageCollection is the satellite garbage collection process.
//
// architecture: Peer
type GarbageCollection struct {
Log *zap.Logger
Identity *identity.FullIdentity
DB DB
Servers *lifecycle.Group
Services *lifecycle.Group
Dialer rpc.Dialer
Version struct {
Chore *version_checker.Chore
Service *version_checker.Service
}
Debug struct {
Listener net.Listener
Server *debug.Server
}
Overlay struct {
DB overlay.DB
}
Metainfo struct {
SegmentLoop *segmentloop.Service
}
GarbageCollection struct {
Service *gc.Service
}
}
// NewGarbageCollection creates a new satellite garbage collection process.
func NewGarbageCollection(log *zap.Logger, full *identity.FullIdentity, db DB,
metabaseDB *metabase.DB, revocationDB extensions.RevocationDB,
versionInfo version.Info, config *Config, atomicLogLevel *zap.AtomicLevel) (*GarbageCollection, error) {
peer := &GarbageCollection{
Log: log,
Identity: full,
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"
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 version control
peer.Log.Info("Version info",
zap.Stringer("Version", versionInfo.Version.Version),
zap.String("Commit Hash", versionInfo.CommitHash),
zap.Stringer("Build Timestamp", versionInfo.Timestamp),
zap.Bool("Release Build", versionInfo.Release),
)
peer.Version.Service = version_checker.NewService(log.Named("version"), config.Version, versionInfo, "Satellite")
peer.Version.Chore = version_checker.NewChore(peer.Version.Service, config.Version.CheckInterval)
peer.Services.Add(lifecycle.Item{
Name: "version",
Run: peer.Version.Chore.Run,
})
}
{ // setup listener and server
sc := config.Server
tlsOptions, err := tlsopts.NewOptions(peer.Identity, sc.Config, revocationDB)
if err != nil {
return nil, errs.Combine(err, peer.Close())
}
peer.Dialer = rpc.NewDefaultDialer(tlsOptions)
}
{ // setup overlay
peer.Overlay.DB = peer.DB.OverlayCache()
}
{ // setup metainfo
// Garbage Collection creates its own instance of the loop here. Since
// GC runs infrequently, this shouldn't add too much extra load on the metabase db.
// As long as garbage collection is the only observer joining the loop, then by default
// the loop will only run when the garbage collection joins (which happens every GarbageCollection.Interval)
peer.Metainfo.SegmentLoop = segmentloop.New(
config.Metainfo.SegmentLoop,
metabaseDB,
)
peer.Services.Add(lifecycle.Item{
Name: "metainfo:segmentloop",
Run: peer.Metainfo.SegmentLoop.Run,
Close: peer.Metainfo.SegmentLoop.Close,
})
}
{ // setup garbage collection
peer.GarbageCollection.Service = gc.NewService(
peer.Log.Named("garbage-collection"),
config.GarbageCollection,
peer.Dialer,
peer.Overlay.DB,
peer.Metainfo.SegmentLoop,
)
peer.Services.Add(lifecycle.Item{
Name: "garbage-collection",
Run: peer.GarbageCollection.Service.Run,
})
peer.Debug.Server.Panel.Add(
debug.Cycle("Garbage Collection", peer.GarbageCollection.Service.Loop))
}
return peer, nil
}
// Run runs satellite garbage collection until it's either closed or it errors.
func (peer *GarbageCollection) Run(ctx context.Context) (err error) {
defer mon.Task()(&ctx)(&err)
group, ctx := errgroup.WithContext(ctx)
peer.Servers.Run(ctx, group)
peer.Services.Run(ctx, group)
return group.Wait()
}
// Close closes all the resources.
func (peer *GarbageCollection) Close() error {
return errs.Combine(
peer.Servers.Close(),
peer.Services.Close(),
)
}
// ID returns the peer ID.
func (peer *GarbageCollection) ID() storj.NodeID { return peer.Identity.ID }