diff options
| -rw-r--r-- | node/errors.go | 18 | ||||
| -rw-r--r-- | node/node.go | 36 | ||||
| -rw-r--r-- | vendor/github.com/prometheus/prometheus/LICENSE | 201 | ||||
| -rw-r--r-- | vendor/github.com/prometheus/prometheus/NOTICE | 87 | ||||
| -rw-r--r-- | vendor/github.com/prometheus/prometheus/util/flock/flock.go | 46 | ||||
| -rw-r--r-- | vendor/github.com/prometheus/prometheus/util/flock/flock_plan9.go | 32 | ||||
| -rw-r--r-- | vendor/github.com/prometheus/prometheus/util/flock/flock_solaris.go | 59 | ||||
| -rw-r--r-- | vendor/github.com/prometheus/prometheus/util/flock/flock_unix.go | 54 | ||||
| -rw-r--r-- | vendor/github.com/prometheus/prometheus/util/flock/flock_windows.go | 36 | ||||
| -rw-r--r-- | vendor/vendor.json | 6 |
10 files changed, 551 insertions, 24 deletions
diff --git a/node/errors.go b/node/errors.go index bd5ddeb5d..2e0dadc4d 100644 --- a/node/errors.go +++ b/node/errors.go @@ -17,10 +17,28 @@ package node import ( + "errors" "fmt" "reflect" + "syscall" ) +var ( + ErrDatadirUsed = errors.New("datadir already used by another process") + ErrNodeStopped = errors.New("node not started") + ErrNodeRunning = errors.New("node already running") + ErrServiceUnknown = errors.New("unknown service") + + datadirInUseErrnos = map[uint]bool{11: true, 32: true, 35: true} +) + +func convertFileLockError(err error) error { + if errno, ok := err.(syscall.Errno); ok && datadirInUseErrnos[uint(errno)] { + return ErrDatadirUsed + } + return err +} + // DuplicateServiceError is returned during Node startup if a registered service // constructor returns a service of the same type that was already started. type DuplicateServiceError struct { diff --git a/node/node.go b/node/node.go index e3f0232b4..86cfb29ba 100644 --- a/node/node.go +++ b/node/node.go @@ -25,7 +25,6 @@ import ( "reflect" "strings" "sync" - "syscall" "github.com/ethereum/go-ethereum/accounts" "github.com/ethereum/go-ethereum/ethdb" @@ -34,16 +33,7 @@ import ( "github.com/ethereum/go-ethereum/log" "github.com/ethereum/go-ethereum/p2p" "github.com/ethereum/go-ethereum/rpc" - "github.com/syndtr/goleveldb/leveldb/storage" -) - -var ( - ErrDatadirUsed = errors.New("datadir already used") - ErrNodeStopped = errors.New("node not started") - ErrNodeRunning = errors.New("node already running") - ErrServiceUnknown = errors.New("unknown service") - - datadirInUseErrnos = map[uint]bool{11: true, 32: true, 35: true} + "github.com/prometheus/prometheus/util/flock" ) // Node is a container on which services can be registered. @@ -52,8 +42,8 @@ type Node struct { config *Config accman *accounts.Manager - ephemeralKeystore string // if non-empty, the key directory that will be removed by Stop - instanceDirLock storage.Storage // prevents concurrent use of instance directory + ephemeralKeystore string // if non-empty, the key directory that will be removed by Stop + instanceDirLock flock.Releaser // prevents concurrent use of instance directory serverConfig p2p.Config server *p2p.Server // Currently running P2P networking layer @@ -197,10 +187,7 @@ func (n *Node) Start() error { running.Protocols = append(running.Protocols, service.Protocols()...) } if err := running.Start(); err != nil { - if errno, ok := err.(syscall.Errno); ok && datadirInUseErrnos[uint(errno)] { - return ErrDatadirUsed - } - return err + return convertFileLockError(err) } // Start each of the services started := []reflect.Type{} @@ -242,14 +229,13 @@ func (n *Node) openDataDir() error { if err := os.MkdirAll(instdir, 0700); err != nil { return err } - // Try to open the instance directory as LevelDB storage. This creates a lock file - // which prevents concurrent use by another instance as well as accidental use of the - // instance directory as a database. - storage, err := storage.OpenFile(instdir, true) + // 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 := flock.New(filepath.Join(instdir, "LOCK")) if err != nil { - return err + return convertFileLockError(err) } - n.instanceDirLock = storage + n.instanceDirLock = release return nil } @@ -509,7 +495,9 @@ func (n *Node) Stop() error { // Release instance directory lock. if n.instanceDirLock != nil { - n.instanceDirLock.Close() + if err := n.instanceDirLock.Release(); err != nil { + log.Error("Can't release datadir lock", "err", err) + } n.instanceDirLock = nil } diff --git a/vendor/github.com/prometheus/prometheus/LICENSE b/vendor/github.com/prometheus/prometheus/LICENSE new file mode 100644 index 000000000..261eeb9e9 --- /dev/null +++ b/vendor/github.com/prometheus/prometheus/LICENSE @@ -0,0 +1,201 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. Definitions. + + "License" shall mean the terms and conditions for use, reproduction, + and distribution as defined by Sections 1 through 9 of this document. + + "Licensor" shall mean the copyright owner or entity authorized by + the copyright owner that is granting the License. + + "Legal Entity" shall mean the union of the acting entity and all + other entities that control, are controlled by, or are under common + control with that entity. For the purposes of this definition, + "control" means (i) the power, direct or indirect, to cause the + direction or management of such entity, whether by contract or + otherwise, or (ii) ownership of fifty percent (50%) or more of the + outstanding shares, or (iii) beneficial ownership of such entity. + + "You" (or "Your") shall mean an individual or Legal Entity + exercising permissions granted by this License. + + "Source" form shall mean the preferred form for making modifications, + including but not limited to software source code, documentation + source, and configuration files. + + "Object" form shall mean any form resulting from mechanical + transformation or translation of a Source form, including but + not limited to compiled object code, generated documentation, + and conversions to other media types. + + "Work" shall mean the work of authorship, whether in Source or + Object form, made available under the License, as indicated by a + copyright notice that is included in or attached to the work + (an example is provided in the Appendix below). + + "Derivative Works" shall mean any work, whether in Source or Object + form, that is based on (or derived from) the Work and for which the + editorial revisions, annotations, elaborations, or other modifications + represent, as a whole, an original work of authorship. For the purposes + of this License, Derivative Works shall not include works that remain + separable from, or merely link (or bind by name) to the interfaces of, + the Work and Derivative Works thereof. + + "Contribution" shall mean any work of authorship, including + the original version of the Work and any modifications or additions + to that Work or Derivative Works thereof, that is intentionally + submitted to Licensor for inclusion in the Work by the copyright owner + or by an individual or Legal Entity authorized to submit on behalf of + the copyright owner. For the purposes of this definition, "submitted" + means any form of electronic, verbal, or written communication sent + to the Licensor or its representatives, including but not limited to + communication on electronic mailing lists, source code control systems, + and issue tracking systems that are managed by, or on behalf of, the + Licensor for the purpose of discussing and improving the Work, but + excluding communication that is conspicuously marked or otherwise + designated in writing by the copyright owner as "Not a Contribution." + + "Contributor" shall mean Licensor and any individual or Legal Entity + on behalf of whom a Contribution has been received by Licensor and + subsequently incorporated within the Work. + + 2. Grant of Copyright License. Subject to the terms and conditions of + this License, each Contributor hereby grants to You a perpetual, + worldwide, non-exclusive, no-charge, royalty-free, irrevocable + copyright license to reproduce, prepare Derivative Works of, + publicly display, publicly perform, sublicense, and distribute the + Work and such Derivative Works in Source or Object form. + + 3. Grant of Patent License. Subject to the terms and conditions of + this License, each Contributor hereby grants to You a perpetual, + worldwide, non-exclusive, no-charge, royalty-free, irrevocable + (except as stated in this section) patent license to make, have made, + use, offer to sell, sell, import, and otherwise transfer the Work, + where such license applies only to those patent claims licensable + by such Contributor that are necessarily infringed by their + Contribution(s) alone or by combination of their Contribution(s) + with the Work to which such Contribution(s) was submitted. If You + institute patent litigation against any entity (including a + cross-claim or counterclaim in a lawsuit) alleging that the Work + or a Contribution incorporated within the Work constitutes direct + or contributory patent infringement, then any patent licenses + granted to You under this License for that Work shall terminate + as of the date such litigation is filed. + + 4. Redistribution. You may reproduce and distribute copies of the + Work or Derivative Works thereof in any medium, with or without + modifications, and in Source or Object form, provided that You + meet the following conditions: + + (a) You must give any other recipients of the Work or + Derivative Works a copy of this License; and + + (b) You must cause any modified files to carry prominent notices + stating that You changed the files; and + + (c) You must retain, in the Source form of any Derivative Works + that You distribute, all copyright, patent, trademark, and + attribution notices from the Source form of the Work, + excluding those notices that do not pertain to any part of + the Derivative Works; and + + (d) If the Work includes a "NOTICE" text file as part of its + distribution, then any Derivative Works that You distribute must + include a readable copy of the attribution notices contained + within such NOTICE file, excluding those notices that do not + pertain to any part of the Derivative Works, in at least one + of the following places: within a NOTICE text file distributed + as part of the Derivative Works; within the Source form or + documentation, if provided along with the Derivative Works; or, + within a display generated by the Derivative Works, if and + wherever such third-party notices normally appear. The contents + of the NOTICE file are for informational purposes only and + do not modify the License. You may add Your own attribution + notices within Derivative Works that You distribute, alongside + or as an addendum to the NOTICE text from the Work, provided + that such additional attribution notices cannot be construed + as modifying the License. + + You may add Your own copyright statement to Your modifications and + may provide additional or different license terms and conditions + for use, reproduction, or distribution of Your modifications, or + for any such Derivative Works as a whole, provided Your use, + reproduction, and distribution of the Work otherwise complies with + the conditions stated in this License. + + 5. Submission of Contributions. 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In no event and under no legal theory, + whether in tort (including negligence), contract, or otherwise, + unless required by applicable law (such as deliberate and grossly + negligent acts) or agreed to in writing, shall any Contributor be + liable to You for damages, including any direct, indirect, special, + incidental, or consequential damages of any character arising as a + result of this License or out of the use or inability to use the + Work (including but not limited to damages for loss of goodwill, + work stoppage, computer failure or malfunction, or any and all + other commercial damages or losses), even if such Contributor + has been advised of the possibility of such damages. + + 9. Accepting Warranty or Additional Liability. While redistributing + the Work or Derivative Works thereof, You may choose to offer, + and charge a fee for, acceptance of support, warranty, indemnity, + or other liability obligations and/or rights consistent with this + License. However, in accepting such obligations, You may act only + on Your own behalf and on Your sole responsibility, not on behalf + of any other Contributor, and only if You agree to indemnify, + defend, and hold each Contributor harmless for any liability + incurred by, or claims asserted against, such Contributor by reason + of your accepting any such warranty or additional liability. + + END OF TERMS AND CONDITIONS + + APPENDIX: How to apply the Apache License to your work. + + To apply the Apache License to your work, attach the following + boilerplate notice, with the fields enclosed by brackets "[]" + replaced with your own identifying information. (Don't include + the brackets!) The text should be enclosed in the appropriate + comment syntax for the file format. We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright [yyyy] [name of copyright owner] + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. diff --git a/vendor/github.com/prometheus/prometheus/NOTICE b/vendor/github.com/prometheus/prometheus/NOTICE new file mode 100644 index 000000000..47de2415e --- /dev/null +++ b/vendor/github.com/prometheus/prometheus/NOTICE @@ -0,0 +1,87 @@ +The Prometheus systems and service monitoring server +Copyright 2012-2015 The Prometheus Authors + +This product includes software developed at +SoundCloud Ltd. (http://soundcloud.com/). + + +The following components are included in this product: + +Bootstrap +http://getbootstrap.com +Copyright 2011-2014 Twitter, Inc. +Licensed under the MIT License + +bootstrap3-typeahead.js +https://github.com/bassjobsen/Bootstrap-3-Typeahead +Original written by @mdo and @fat +Copyright 2014 Bass Jobsen @bassjobsen +Licensed under the Apache License, Version 2.0 + +fuzzy +https://github.com/mattyork/fuzzy +Original written by @mattyork +Copyright 2012 Matt York +Licensed under the MIT License + +bootstrap-datetimepicker.js +https://github.com/Eonasdan/bootstrap-datetimepicker +Copyright 2015 Jonathan Peterson (@Eonasdan) +Licensed under the MIT License + +moment.js +https://github.com/moment/moment/ +Copyright JS Foundation and other contributors +Licensed under the MIT License + +Rickshaw +https://github.com/shutterstock/rickshaw +Copyright 2011-2014 by Shutterstock Images, LLC +See https://github.com/shutterstock/rickshaw/blob/master/LICENSE for license details + +mustache.js +https://github.com/janl/mustache.js +Copyright 2009 Chris Wanstrath (Ruby) +Copyright 2010-2014 Jan Lehnardt (JavaScript) +Copyright 2010-2015 The mustache.js community +Licensed under the MIT License + +jQuery +https://jquery.org +Copyright jQuery Foundation and other contributors +Licensed under the MIT License + +Go support for Protocol Buffers - Google's data interchange format +http://github.com/golang/protobuf/ +Copyright 2010 The Go Authors +See source code for license details. + +Go support for leveled logs, analogous to +https://code.google.com/p/google-glog/ +Copyright 2013 Google Inc. +Licensed under the Apache License, Version 2.0 + +Support for streaming Protocol Buffer messages for the Go language (golang). +https://github.com/matttproud/golang_protobuf_extensions +Copyright 2013 Matt T. Proud +Licensed under the Apache License, Version 2.0 + +DNS library in Go +http://miek.nl/posts/2014/Aug/16/go-dns-package/ +Copyright 2009 The Go Authors, 2011 Miek Gieben +See https://github.com/miekg/dns/blob/master/LICENSE for license details. + +LevelDB key/value database in Go +https://github.com/syndtr/goleveldb +Copyright 2012 Suryandaru Triandana +See https://github.com/syndtr/goleveldb/blob/master/LICENSE for license details. + +gosnappy - a fork of code.google.com/p/snappy-go +https://github.com/syndtr/gosnappy +Copyright 2011 The Snappy-Go Authors +See https://github.com/syndtr/gosnappy/blob/master/LICENSE for license details. + +go-zookeeper - Native ZooKeeper client for Go +https://github.com/samuel/go-zookeeper +Copyright (c) 2013, Samuel Stauffer <samuel@descolada.com> +See https://github.com/samuel/go-zookeeper/blob/master/LICENSE for license details. diff --git a/vendor/github.com/prometheus/prometheus/util/flock/flock.go b/vendor/github.com/prometheus/prometheus/util/flock/flock.go new file mode 100644 index 000000000..5dc22a2fa --- /dev/null +++ b/vendor/github.com/prometheus/prometheus/util/flock/flock.go @@ -0,0 +1,46 @@ +// Copyright 2016 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// Package flock provides portable file locking. It is essentially ripped out +// from the code of github.com/syndtr/goleveldb. Strange enough that the +// standard library does not provide this functionality. Once this package has +// proven to work as expected, we should probably turn it into a separate +// general purpose package for humanity. +package flock + +import ( + "os" + "path/filepath" +) + +// Releaser provides the Release method to release a file lock. +type Releaser interface { + Release() error +} + +// New locks the file with the provided name. If the file does not exist, it is +// created. The returned Releaser is used to release the lock. existed is true +// if the file to lock already existed. A non-nil error is returned if the +// locking has failed. Neither this function nor the returned Releaser is +// goroutine-safe. +func New(fileName string) (r Releaser, existed bool, err error) { + if err = os.MkdirAll(filepath.Dir(fileName), 0755); err != nil { + return + } + + _, err = os.Stat(fileName) + existed = err == nil + + r, err = newLock(fileName) + return +} diff --git a/vendor/github.com/prometheus/prometheus/util/flock/flock_plan9.go b/vendor/github.com/prometheus/prometheus/util/flock/flock_plan9.go new file mode 100644 index 000000000..004e85c0f --- /dev/null +++ b/vendor/github.com/prometheus/prometheus/util/flock/flock_plan9.go @@ -0,0 +1,32 @@ +// Copyright 2016 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package flock + +import "os" + +type plan9Lock struct { + f *os.File +} + +func (l *plan9Lock) Release() error { + return l.f.Close() +} + +func newLock(fileName string) (Releaser, error) { + f, err := os.OpenFile(path, os.O_RDWR|os.O_CREATE, os.ModeExclusive|0644) + if err != nil { + return nil, err + } + return &plan9Lock{f}, nil +} diff --git a/vendor/github.com/prometheus/prometheus/util/flock/flock_solaris.go b/vendor/github.com/prometheus/prometheus/util/flock/flock_solaris.go new file mode 100644 index 000000000..299fc8744 --- /dev/null +++ b/vendor/github.com/prometheus/prometheus/util/flock/flock_solaris.go @@ -0,0 +1,59 @@ +// Copyright 2016 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// +build solaris + +package flock + +import ( + "os" + "syscall" +) + +type unixLock struct { + f *os.File +} + +func (l *unixLock) Release() error { + if err := l.set(false); err != nil { + return err + } + return l.f.Close() +} + +func (l *unixLock) set(lock bool) error { + flock := syscall.Flock_t{ + Type: syscall.F_UNLCK, + Start: 0, + Len: 0, + Whence: 1, + } + if lock { + flock.Type = syscall.F_WRLCK + } + return syscall.FcntlFlock(l.f.Fd(), syscall.F_SETLK, &flock) +} + +func newLock(fileName string) (Releaser, error) { + f, err := os.OpenFile(fileName, os.O_RDWR|os.O_CREATE, 0644) + if err != nil { + return nil, err + } + l := &unixLock{f} + err = l.set(true) + if err != nil { + f.Close() + return nil, err + } + return l, nil +} diff --git a/vendor/github.com/prometheus/prometheus/util/flock/flock_unix.go b/vendor/github.com/prometheus/prometheus/util/flock/flock_unix.go new file mode 100644 index 000000000..7d71f8fc0 --- /dev/null +++ b/vendor/github.com/prometheus/prometheus/util/flock/flock_unix.go @@ -0,0 +1,54 @@ +// Copyright 2016 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// +build darwin dragonfly freebsd linux netbsd openbsd + +package flock + +import ( + "os" + "syscall" +) + +type unixLock struct { + f *os.File +} + +func (l *unixLock) Release() error { + if err := l.set(false); err != nil { + return err + } + return l.f.Close() +} + +func (l *unixLock) set(lock bool) error { + how := syscall.LOCK_UN + if lock { + how = syscall.LOCK_EX + } + return syscall.Flock(int(l.f.Fd()), how|syscall.LOCK_NB) +} + +func newLock(fileName string) (Releaser, error) { + f, err := os.OpenFile(fileName, os.O_RDWR|os.O_CREATE, 0644) + if err != nil { + return nil, err + } + l := &unixLock{f} + err = l.set(true) + if err != nil { + f.Close() + return nil, err + } + return l, nil +} diff --git a/vendor/github.com/prometheus/prometheus/util/flock/flock_windows.go b/vendor/github.com/prometheus/prometheus/util/flock/flock_windows.go new file mode 100644 index 000000000..bf7266f14 --- /dev/null +++ b/vendor/github.com/prometheus/prometheus/util/flock/flock_windows.go @@ -0,0 +1,36 @@ +// Copyright 2016 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package flock + +import "syscall" + +type windowsLock struct { + fd syscall.Handle +} + +func (fl *windowsLock) Release() error { + return syscall.Close(fl.fd) +} + +func newLock(fileName string) (Releaser, error) { + pathp, err := syscall.UTF16PtrFromString(fileName) + if err != nil { + return nil, err + } + fd, err := syscall.CreateFile(pathp, syscall.GENERIC_READ|syscall.GENERIC_WRITE, 0, nil, syscall.CREATE_ALWAYS, syscall.FILE_ATTRIBUTE_NORMAL, 0) + if err != nil { + return nil, err + } + return &windowsLock{fd}, nil +} diff --git a/vendor/vendor.json b/vendor/vendor.json index 8be10b94f..b0bc88adc 100644 --- a/vendor/vendor.json +++ b/vendor/vendor.json @@ -256,6 +256,12 @@ "revisionTime": "2017-02-11T19:53:22Z" }, { + "checksumSHA1": "WbbxCn2jUYIL5viqLo0BKXEdPrQ=", + "path": "github.com/prometheus/prometheus/util/flock", + "revision": "3101606756c53221ed58ba94ecba6b26adf89dcc", + "revisionTime": "2017-08-14T17:01:13Z" + }, + { "checksumSHA1": "KAzbLjI9MzW2tjfcAsK75lVRp6I=", "path": "github.com/rcrowley/go-metrics", "revision": "1f30fe9094a513ce4c700b9a54458bbb0c96996c", |