mirror of https://github.com/prometheus/prometheus
Simon Pasquier
6 years ago
committed by
GitHub
10 changed files with 149 additions and 1458 deletions
@ -1,191 +1,21 @@
|
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Apache License |
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Version 2.0, January 2004 |
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http://www.apache.org/licenses/ |
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TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION |
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Copyright [yyyy] [name of copyright owner] |
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Licensed under the Apache License, Version 2.0 (the "License"); |
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you may not use this file except in compliance with the License. |
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MIT License |
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Copyright (c) 2018 Kubermatic |
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Permission is hereby granted, free of charge, to any person obtaining a copy |
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of this software and associated documentation files (the "Software"), to deal |
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copies of the Software, and to permit persons to whom the Software is |
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furnished to do so, subject to the following conditions: |
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The above copyright notice and this permission notice shall be included in all |
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copies or substantial portions of the Software. |
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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SOFTWARE. |
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|
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@ -1,44 +0,0 @@
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glog |
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==== |
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Leveled execution logs for Go. |
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This is an efficient pure Go implementation of leveled logs in the |
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manner of the open source C++ package |
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http://code.google.com/p/google-glog |
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|
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By binding methods to booleans it is possible to use the log package |
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without paying the expense of evaluating the arguments to the log. |
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Through the -vmodule flag, the package also provides fine-grained |
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control over logging at the file level. |
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|
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The comment from glog.go introduces the ideas: |
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Package glog implements logging analogous to the Google-internal |
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C++ INFO/ERROR/V setup. It provides functions Info, Warning, |
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Error, Fatal, plus formatting variants such as Infof. It |
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also provides V-style logging controlled by the -v and |
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-vmodule=file=2 flags. |
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Basic examples: |
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glog.Info("Prepare to repel boarders") |
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glog.Fatalf("Initialization failed: %s", err) |
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See the documentation for the V function for an explanation |
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of these examples: |
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if glog.V(2) { |
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glog.Info("Starting transaction...") |
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} |
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glog.V(2).Infoln("Processed", nItems, "elements") |
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The repository contains an open source version of the log package |
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used inside Google. The master copy of the source lives inside |
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Google, not here. The code in this repo is for export only and is not itself |
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under development. Feature requests will be ignored. |
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Send bug reports to golang-nuts@googlegroups.com. |
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@ -0,0 +1,65 @@
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# glog-gokit |
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This packages is a replacement for [glog](github.com/golang/glog) |
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in projects that use the [go-kit logger](https://godoc.org/github.com/go-kit/kit/log). |
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It is inspired by istio's glog package for zap: |
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https://github.com/istio/glog |
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## Usage |
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Override the official glog package with this one. |
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This simply replaces the code in `vendor/golang/glog` with the code of this package. |
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In your `Gopkg.toml`: |
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```toml |
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[[override]] |
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name = "github.com/golang/glog" |
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source = "github.com/kubermatic/glog-gokit" |
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``` |
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In your `main.go`: |
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```go |
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// Import the package like it is original glog |
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import "github.com/golang/glog" |
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// Create go-kit logger in your main.go |
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logger := log.NewLogfmtLogger(log.NewSyncWriter(os.Stdout)) |
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logger = log.With(logger, "ts", log.DefaultTimestampUTC) |
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logger = log.With(logger, "caller", log.DefaultCaller) |
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logger = level.NewFilter(logger, level.AllowAll()) |
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// Overriding the default glog with our go-kit glog implementation. |
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// Thus we need to pass it our go-kit logger object. |
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glog.SetLogger(logger) |
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``` |
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Setting the logger to the glog package **MUST** happen before using glog in any package. |
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## Function Levels |
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| glog | gokit | |
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| ------------ | ----- | |
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| Info | Debug | |
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| InfoDepth | Debug | |
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| Infof | Debug | |
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| Infoln | Debug | |
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| Warning | Warn | |
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| WarningDepth | Warn | |
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| Warningf | Warn | |
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| Warningln | Warn | |
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| Error | Error | |
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| ErrorDepth | Error | |
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| Errorf | Error | |
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| Errorln | Error | |
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| Exit | Error | |
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| ExitDepth | Error | |
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| Exitf | Error | |
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| Exitln | Error | |
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| Fatal | Error | |
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| FatalDepth | Error | |
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| Fatalf | Error | |
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| Fatalln | Error | |
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This table is rather opinionated and build for use with the Kubernetes' [Go client](https://github.com/kubernetes/client-go). |
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File diff suppressed because it is too large
Load Diff
@ -1,124 +0,0 @@
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// Go support for leveled logs, analogous to https://code.google.com/p/google-glog/
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//
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// Copyright 2013 Google Inc. All Rights Reserved.
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//
|
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// Licensed under the Apache License, Version 2.0 (the "License");
|
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// you may not use this file except in compliance with the License.
|
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// You may obtain a copy of the License at
|
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//
|
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// http://www.apache.org/licenses/LICENSE-2.0
|
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//
|
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// Unless required by applicable law or agreed to in writing, software
|
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// distributed under the License is distributed on an "AS IS" BASIS,
|
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
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// See the License for the specific language governing permissions and
|
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// limitations under the License.
|
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|
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// File I/O for logs.
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package glog |
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import ( |
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"errors" |
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"flag" |
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"fmt" |
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"os" |
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"os/user" |
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"path/filepath" |
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"strings" |
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"sync" |
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"time" |
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) |
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// MaxSize is the maximum size of a log file in bytes.
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var MaxSize uint64 = 1024 * 1024 * 1800 |
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// logDirs lists the candidate directories for new log files.
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var logDirs []string |
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// If non-empty, overrides the choice of directory in which to write logs.
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// See createLogDirs for the full list of possible destinations.
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var logDir = flag.String("log_dir", "", "If non-empty, write log files in this directory") |
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func createLogDirs() { |
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if *logDir != "" { |
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logDirs = append(logDirs, *logDir) |
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} |
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logDirs = append(logDirs, os.TempDir()) |
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} |
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var ( |
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pid = os.Getpid() |
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program = filepath.Base(os.Args[0]) |
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host = "unknownhost" |
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userName = "unknownuser" |
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) |
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|
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func init() { |
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h, err := os.Hostname() |
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if err == nil { |
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host = shortHostname(h) |
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} |
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|
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current, err := user.Current() |
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if err == nil { |
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userName = current.Username |
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} |
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|
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// Sanitize userName since it may contain filepath separators on Windows.
|
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userName = strings.Replace(userName, `\`, "_", -1) |
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} |
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|
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// shortHostname returns its argument, truncating at the first period.
|
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// For instance, given "www.google.com" it returns "www".
|
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func shortHostname(hostname string) string { |
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if i := strings.Index(hostname, "."); i >= 0 { |
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return hostname[:i] |
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} |
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return hostname |
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} |
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|
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// logName returns a new log file name containing tag, with start time t, and
|
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// the name for the symlink for tag.
|
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func logName(tag string, t time.Time) (name, link string) { |
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name = fmt.Sprintf("%s.%s.%s.log.%s.%04d%02d%02d-%02d%02d%02d.%d", |
||||
program, |
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host, |
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userName, |
||||
tag, |
||||
t.Year(), |
||||
t.Month(), |
||||
t.Day(), |
||||
t.Hour(), |
||||
t.Minute(), |
||||
t.Second(), |
||||
pid) |
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return name, program + "." + tag |
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} |
||||
|
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var onceLogDirs sync.Once |
||||
|
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// create creates a new log file and returns the file and its filename, which
|
||||
// contains tag ("INFO", "FATAL", etc.) and t. If the file is created
|
||||
// successfully, create also attempts to update the symlink for that tag, ignoring
|
||||
// errors.
|
||||
func create(tag string, t time.Time) (f *os.File, filename string, err error) { |
||||
onceLogDirs.Do(createLogDirs) |
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if len(logDirs) == 0 { |
||||
return nil, "", errors.New("log: no log dirs") |
||||
} |
||||
name, link := logName(tag, t) |
||||
var lastErr error |
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for _, dir := range logDirs { |
||||
fname := filepath.Join(dir, name) |
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f, err := os.Create(fname) |
||||
if err == nil { |
||||
symlink := filepath.Join(dir, link) |
||||
os.Remove(symlink) // ignore err
|
||||
os.Symlink(name, symlink) // ignore err
|
||||
return f, fname, nil |
||||
} |
||||
lastErr = err |
||||
} |
||||
return nil, "", fmt.Errorf("log: cannot create log: %v", lastErr) |
||||
} |
||||
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