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author | dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com> | 2020-08-27 08:22:37 +0000 |
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committer | Daniel J Walsh <dwalsh@redhat.com> | 2020-08-28 05:45:35 -0400 |
commit | 90a86cad3a6f007c6708406d8a78528fbb302a0a (patch) | |
tree | 4c6546079346d0ff39f7c9a4d076913457a6a417 /vendor/k8s.io/klog/v2/klog_file.go | |
parent | d6b13d8a0993aced5e227e7a516aadbf37e14dbc (diff) | |
download | podman-90a86cad3a6f007c6708406d8a78528fbb302a0a.tar.gz podman-90a86cad3a6f007c6708406d8a78528fbb302a0a.tar.bz2 podman-90a86cad3a6f007c6708406d8a78528fbb302a0a.zip |
Bump k8s.io/apimachinery from 0.18.8 to 0.19.0
Bumps [k8s.io/apimachinery](https://github.com/kubernetes/apimachinery) from 0.18.8 to 0.19.0.
- [Release notes](https://github.com/kubernetes/apimachinery/releases)
- [Commits](https://github.com/kubernetes/apimachinery/compare/v0.18.8...v0.19.0)
Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
Diffstat (limited to 'vendor/k8s.io/klog/v2/klog_file.go')
-rw-r--r-- | vendor/k8s.io/klog/v2/klog_file.go | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/vendor/k8s.io/klog/v2/klog_file.go b/vendor/k8s.io/klog/v2/klog_file.go new file mode 100644 index 000000000..de830d922 --- /dev/null +++ b/vendor/k8s.io/klog/v2/klog_file.go @@ -0,0 +1,164 @@ +// Go support for leveled logs, analogous to https://code.google.com/p/google-glog/ +// +// Copyright 2013 Google Inc. All Rights Reserved. +// +// 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. + +// File I/O for logs. + +package klog + +import ( + "errors" + "fmt" + "os" + "os/user" + "path/filepath" + "runtime" + "strings" + "sync" + "time" +) + +// MaxSize is the maximum size of a log file in bytes. +var MaxSize uint64 = 1024 * 1024 * 1800 + +// logDirs lists the candidate directories for new log files. +var logDirs []string + +func createLogDirs() { + if logging.logDir != "" { + logDirs = append(logDirs, logging.logDir) + } + logDirs = append(logDirs, os.TempDir()) +} + +var ( + pid = os.Getpid() + program = filepath.Base(os.Args[0]) + host = "unknownhost" + userName = "unknownuser" + userNameOnce sync.Once +) + +func init() { + if h, err := os.Hostname(); err == nil { + host = shortHostname(h) + } +} + +func getUserName() string { + userNameOnce.Do(func() { + // On Windows, the Go 'user' package requires netapi32.dll. + // This affects Windows Nano Server: + // https://github.com/golang/go/issues/21867 + // Fallback to using environment variables. + if runtime.GOOS == "windows" { + u := os.Getenv("USERNAME") + if len(u) == 0 { + return + } + // Sanitize the USERNAME since it may contain filepath separators. + u = strings.Replace(u, `\`, "_", -1) + + // user.Current().Username normally produces something like 'USERDOMAIN\USERNAME' + d := os.Getenv("USERDOMAIN") + if len(d) != 0 { + userName = d + "_" + u + } else { + userName = u + } + } else { + current, err := user.Current() + if err == nil { + userName = current.Username + } + } + }) + + return userName +} + +// shortHostname returns its argument, truncating at the first period. +// For instance, given "www.google.com" it returns "www". +func shortHostname(hostname string) string { + if i := strings.Index(hostname, "."); i >= 0 { + return hostname[:i] + } + return hostname +} + +// logName returns a new log file name containing tag, with start time t, and +// the name for the symlink for tag. +func logName(tag string, t time.Time) (name, link string) { + name = fmt.Sprintf("%s.%s.%s.log.%s.%04d%02d%02d-%02d%02d%02d.%d", + program, + host, + getUserName(), + tag, + t.Year(), + t.Month(), + t.Day(), + t.Hour(), + t.Minute(), + t.Second(), + pid) + return name, program + "." + tag +} + +var onceLogDirs sync.Once + +// 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. +// The startup argument indicates whether this is the initial startup of klog. +// If startup is true, existing files are opened for appending instead of truncated. +func create(tag string, t time.Time, startup bool) (f *os.File, filename string, err error) { + if logging.logFile != "" { + f, err := openOrCreate(logging.logFile, startup) + if err == nil { + return f, logging.logFile, nil + } + return nil, "", fmt.Errorf("log: unable to create log: %v", err) + } + onceLogDirs.Do(createLogDirs) + if len(logDirs) == 0 { + return nil, "", errors.New("log: no log dirs") + } + name, link := logName(tag, t) + var lastErr error + for _, dir := range logDirs { + fname := filepath.Join(dir, name) + f, err := openOrCreate(fname, startup) + 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) +} + +// The startup argument indicates whether this is the initial startup of klog. +// If startup is true, existing files are opened for appending instead of truncated. +func openOrCreate(name string, startup bool) (*os.File, error) { + if startup { + f, err := os.OpenFile(name, os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666) + return f, err + } + f, err := os.Create(name) + return f, err +} |