From 4ef10e73d65b354dc0788db4330b18eaea37bd0e Mon Sep 17 00:00:00 2001 From: Martin Holst Swende Date: Thu, 23 Feb 2023 02:11:50 -0500 Subject: [PATCH] core/rawdb, node: use standalone flock dependency (#26633) --- core/rawdb/freezer.go | 22 ++++++++++++++-------- go.mod | 2 +- go.sum | 10 ++-------- node/node.go | 32 ++++++++++++++++---------------- 4 files changed, 33 insertions(+), 33 deletions(-) diff --git a/core/rawdb/freezer.go b/core/rawdb/freezer.go index 04c326c4f9e4..60e2c56e0ff7 100644 --- a/core/rawdb/freezer.go +++ b/core/rawdb/freezer.go @@ -30,7 +30,7 @@ import ( "github.com/ethereum/go-ethereum/ethdb" "github.com/ethereum/go-ethereum/log" "github.com/ethereum/go-ethereum/metrics" - "github.com/prometheus/tsdb/fileutil" + "github.com/gofrs/flock" ) var ( @@ -75,7 +75,7 @@ type Freezer struct { readonly bool tables map[string]*freezerTable // Data tables for storing everything - instanceLock fileutil.Releaser // File-system lock to prevent double opens + instanceLock *flock.Flock // File-system lock to prevent double opens closeOnce sync.Once } @@ -104,11 +104,17 @@ func NewFreezer(datadir string, namespace string, readonly bool, maxTableSize ui return nil, errSymlinkDatadir } } + flockFile := filepath.Join(datadir, "FLOCK") + if err := os.MkdirAll(filepath.Dir(flockFile), 0755); err != nil { + return nil, err + } // Leveldb uses LOCK as the filelock filename. To prevent the // name collision, we use FLOCK as the lock name. - lock, _, err := fileutil.Flock(filepath.Join(datadir, "FLOCK")) - if err != nil { + lock := flock.New(flockFile) + if locked, err := lock.TryLock(); err != nil { return nil, err + } else if !locked { + return nil, errors.New("locking failed") } // Open all the supported data tables freezer := &Freezer{ @@ -124,12 +130,12 @@ func NewFreezer(datadir string, namespace string, readonly bool, maxTableSize ui for _, table := range freezer.tables { table.Close() } - lock.Release() + lock.Unlock() return nil, err } freezer.tables[name] = table } - + var err error if freezer.readonly { // In readonly mode only validate, don't truncate. // validate also sets `freezer.frozen`. @@ -142,7 +148,7 @@ func NewFreezer(datadir string, namespace string, readonly bool, maxTableSize ui for _, table := range freezer.tables { table.Close() } - lock.Release() + lock.Unlock() return nil, err } @@ -165,7 +171,7 @@ func (f *Freezer) Close() error { errs = append(errs, err) } } - if err := f.instanceLock.Release(); err != nil { + if err := f.instanceLock.Unlock(); err != nil { errs = append(errs, err) } }) diff --git a/go.mod b/go.mod index fbac3e4d67ad..d917dad2113a 100644 --- a/go.mod +++ b/go.mod @@ -26,6 +26,7 @@ require ( github.com/gballet/go-libpcsclite v0.0.0-20190607065134-2772fd86a8ff github.com/gballet/go-verkle v0.0.0-20220902153445-097bd83b7732 github.com/go-stack/stack v1.8.1 + github.com/gofrs/flock v0.8.1 github.com/golang-jwt/jwt/v4 v4.3.0 github.com/golang/protobuf v1.5.2 github.com/golang/snappy v0.0.4 @@ -49,7 +50,6 @@ require ( github.com/naoina/toml v0.1.2-0.20170918210437-9fafd6967416 github.com/olekukonko/tablewriter v0.0.5 github.com/peterh/liner v1.1.1-0.20190123174540-a2c9a5303de7 - github.com/prometheus/tsdb v0.7.1 github.com/rs/cors v1.7.0 github.com/shirou/gopsutil v3.21.4-0.20210419000835-c7a38de76ee5+incompatible github.com/status-im/keycard-go v0.2.0 diff --git a/go.sum b/go.sum index bf28cd2e24e5..18c7e271ecb1 100644 --- a/go.sum +++ b/go.sum @@ -135,7 +135,6 @@ github.com/dgraph-io/badger v1.6.0/go.mod h1:zwt7syl517jmP8s94KqSxTlM6IMsdhYy6ps github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ= github.com/dgryski/go-bitstream v0.0.0-20180413035011-3522498ce2c8/go.mod h1:VMaSuZ+SZcx/wljOQKvp5srsbCiKDEb6K2wC4+PiBmQ= github.com/dgryski/go-farm v0.0.0-20190423205320-6a90982ecee2/go.mod h1:SqUrOPUnsFjfmXRMNPybcSiG0BgUW2AuFH8PAnS2iTw= -github.com/dgryski/go-sip13 v0.0.0-20181026042036-e10d5fee7954/go.mod h1:vAd38F8PWV+bWy6jNmig1y/TA+kYO4g3RSRF0IAv0no= github.com/dlclark/regexp2 v1.4.1-0.20201116162257-a2a8dda75c91/go.mod h1:2pZnwuY/m+8K6iRw6wQdMtk+rH5tNGR1i55kozfMjCc= github.com/dlclark/regexp2 v1.7.0 h1:7lJfhqlPssTb1WQx4yvTHN0uElPEv52sbaECrAQxjAo= github.com/dlclark/regexp2 v1.7.0/go.mod h1:DHkYz0B9wPfa6wondMfaivmHpzrQ3v9q8cnmRbL6yW8= @@ -195,11 +194,9 @@ github.com/go-errors/errors v1.0.1/go.mod h1:f4zRHt4oKfwPJE5k8C9vpYG+aDHdBFUsgrm github.com/go-errors/errors v1.4.2 h1:J6MZopCL4uSllY1OfXM374weqZFFItUbrImctkmUxIA= github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU= github.com/go-gl/glfw/v3.3/glfw v0.0.0-20191125211704-12ad95a8df72/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8= -github.com/go-kit/kit v0.8.0 h1:Wz+5lgoB0kkuqLEc6NVmwRknTKP6dTGbSqvhZtBI/j0= github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as= github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9GBnD5lWE= github.com/go-logfmt/logfmt v0.4.0/go.mod h1:3RMwSq7FuexP4Kalkev3ejPJsZTpXXBr9+V4qmtdjCk= -github.com/go-logfmt/logfmt v0.5.1 h1:otpy5pqBCBZ1ng9RQ0dPu4PN7ba75Y/aA+UpowDyNVA= github.com/go-martini/martini v0.0.0-20170121215854-22fa46961aab/go.mod h1:/P9AEU963A2AYjv4d1V5eVL1CQbEJq6aCNHDDjibzu8= github.com/go-ole/go-ole v1.2.1 h1:2lOsA72HgjxAuMlKpFiCbHTvu44PIVkZ5hqm3RSdI/E= github.com/go-ole/go-ole v1.2.1/go.mod h1:7FAglXiTm7HKlQRDeOQ6ZNUHidzCWXuZWq/1dTyBNF8= @@ -214,6 +211,8 @@ github.com/go-stack/stack v1.8.1/go.mod h1:dcoOX6HbPZSZptuspn9bctJ+N/CnF5gGygcUP github.com/gobwas/httphead v0.0.0-20180130184737-2c6c146eadee/go.mod h1:L0fX3K22YWvt/FAX9NnzrNzcI4wNYi9Yku4O0LKYflo= github.com/gobwas/pool v0.2.0/go.mod h1:q8bcK0KcYlCgd9e7WYLm9LpyS+YeLd8JVDW6WezmKEw= github.com/gobwas/ws v1.0.2/go.mod h1:szmBTxLgaFppYjEmNtny/v3w89xOydFnnZMcgRRu/EM= +github.com/gofrs/flock v0.8.1 h1:+gYjHKf32LDeiEEFhQaotPbLuUXjY5ZqxKgXy7n59aw= +github.com/gofrs/flock v0.8.1/go.mod h1:F1TvTiK9OcQqauNUHlbJvyl9Qa1QvF/gOUDKA14jxHU= github.com/gofrs/uuid v3.3.0+incompatible/go.mod h1:b2aQJv3Z4Fp6yNu3cdSllBxTCLRxnplIgP/c0N/04lM= github.com/gogo/googleapis v0.0.0-20180223154316-0cd9801be74a/go.mod h1:gf4bu3Q80BeJ6H1S1vYPm8/ELATdvryBaNFGgqEef3s= github.com/gogo/googleapis v1.4.1/go.mod h1:2lpHqI5OcWCtVElxXnPt+s8oJvMpySlOyM6xDCrzib4= @@ -440,7 +439,6 @@ github.com/nats-io/nkeys v0.1.0/go.mod h1:xpnFELMwJABBLVhffcfd1MZx6VsNRFpEugbxzi github.com/nats-io/nuid v1.0.1/go.mod h1:19wcPz3Ph3q0Jbyiqsd0kePYG7A95tJPxeL+1OSON2c= github.com/nxadm/tail v1.4.4 h1:DQuhQpB1tVlglWS2hLQ5OV6B5r8aGxSrPc5Qo6uTN78= github.com/nxadm/tail v1.4.4/go.mod h1:kenIhsEOeOJmVchQTgglprH7qJGnHDVpk1VPCcaMI8A= -github.com/oklog/ulid v1.3.1/go.mod h1:CirwcVhetQ6Lv90oh/F+FBtV6XMibvdAFo93nm5qn4U= github.com/olekukonko/tablewriter v0.0.5 h1:P2Ga83D34wi1o9J6Wh1mRuqd4mF/x/lgBS7N7AbDhec= github.com/olekukonko/tablewriter v0.0.5/go.mod h1:hPp6KlRPjbx+hW8ykQs1w3UBbZlj6HuIJcUGPhkA7kY= github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE= @@ -481,7 +479,6 @@ github.com/prometheus/client_model v0.0.0-20190129233127-fd36f4220a90/go.mod h1: github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA= github.com/prometheus/client_model v0.3.0 h1:UBgGFHqYdG/TPFD1B1ogZywDqEkwp3fBMvqdiQ7Xew4= github.com/prometheus/client_model v0.3.0/go.mod h1:LDGWKZIo7rky3hgvBe+caln+Dr3dPggB5dvjtD7w9+w= -github.com/prometheus/common v0.0.0-20181113130724-41aa239b4cce/go.mod h1:daVV7qP5qjZbuso7PdcryaAu0sAZbrN9i7WWcTMWvro= github.com/prometheus/common v0.4.1/go.mod h1:TNfzLD0ON7rHzMJeJkieUDPYmFC7Snx/y86RQel1bk4= github.com/prometheus/common v0.6.0/go.mod h1:eBmuwkDJBwy6iBfxCBob6t6dR6ENT/y+J+Zk0j9GMYc= github.com/prometheus/common v0.39.0 h1:oOyhkDq05hPZKItWVBkJ6g6AtGxi+fy7F4JvUV8uhsI= @@ -490,8 +487,6 @@ github.com/prometheus/procfs v0.0.0-20181005140218-185b4288413d/go.mod h1:c3At6R github.com/prometheus/procfs v0.0.2/go.mod h1:TjEm7ze935MbeOT/UhFTIMYKhuLP4wbCsTZCD3I8kEA= github.com/prometheus/procfs v0.9.0 h1:wzCHvIvM5SxWqYvwgVL7yJY8Lz3PKn49KQtpgMYJfhI= github.com/prometheus/procfs v0.9.0/go.mod h1:+pB4zwohETzFnmlpe6yd2lSc+0/46IYZRB/chUwxUZY= -github.com/prometheus/tsdb v0.7.1 h1:YZcsG11NqnK4czYLrWd9mpEuAJIHVQLwdrleYfszMAA= -github.com/prometheus/tsdb v0.7.1/go.mod h1:qhTCs0VvXwvX/y3TZrWD7rabWM+ijKTux40TwIPHuXU= github.com/retailnext/hllpp v1.0.1-0.20180308014038-101a6d2f8b52/go.mod h1:RDpi1RftBQPUCDRw6SmxeaREsAaRKnOclghuzp/WRzc= github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4= github.com/rogpeppe/go-internal v1.6.1/go.mod h1:xXDCJY+GAPziupqXw64V24skbSoqbTEfhy4qGm1nDQc= @@ -683,7 +678,6 @@ golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= -golang.org/x/sys v0.0.0-20181107165924-66b7b1311ac8/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20181116152217-5ac8a444bdc5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20181205085412-a5c9d58dba9a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= diff --git a/node/node.go b/node/node.go index 112a771ab090..2f89bc1ad274 100644 --- a/node/node.go +++ b/node/node.go @@ -37,7 +37,7 @@ import ( "github.com/ethereum/go-ethereum/log" "github.com/ethereum/go-ethereum/p2p" "github.com/ethereum/go-ethereum/rpc" - "github.com/prometheus/tsdb/fileutil" + "github.com/gofrs/flock" ) // Node is a container on which services can be registered. @@ -46,13 +46,13 @@ type Node struct { config *Config accman *accounts.Manager log log.Logger - keyDir string // key store directory - keyDirTemp bool // If true, key directory will be removed by Stop - dirLock fileutil.Releaser // prevents concurrent use of instance directory - stop chan struct{} // Channel to wait for termination notifications - server *p2p.Server // Currently running P2P networking layer - startStopLock sync.Mutex // Start/Stop are protected by an additional lock - state int // Tracks state of node lifecycle + keyDir string // key store directory + keyDirTemp bool // If true, key directory will be removed by Stop + dirLock *flock.Flock // prevents concurrent use of instance directory + stop chan struct{} // Channel to wait for termination notifications + server *p2p.Server // Currently running P2P networking layer + startStopLock sync.Mutex // Start/Stop are protected by an additional lock + state int // Tracks state of node lifecycle lock sync.Mutex lifecycles []Lifecycle // All registered backends, services, and auxiliary services that have a lifecycle @@ -320,20 +320,20 @@ func (n *Node) openDataDir() error { } // Lock the instance directory to prevent concurrent use by another instance as well as // accidental use of the instance directory as a database. - release, _, err := fileutil.Flock(filepath.Join(instdir, "LOCK")) - if err != nil { - return convertFileLockError(err) + n.dirLock = flock.New(filepath.Join(instdir, "LOCK")) + + if locked, err := n.dirLock.TryLock(); err != nil { + return err + } else if !locked { + return ErrDatadirUsed } - n.dirLock = release return nil } func (n *Node) closeDataDir() { // Release instance directory lock. - if n.dirLock != nil { - if err := n.dirLock.Release(); err != nil { - n.log.Error("Can't release datadir lock", "err", err) - } + if n.dirLock != nil && n.dirLock.Locked() { + n.dirLock.Unlock() n.dirLock = nil } }