diff options
Diffstat (limited to 'vendor/k8s.io/klog/v2/klog.go')
| -rw-r--r-- | vendor/k8s.io/klog/v2/klog.go | 177 |
1 files changed, 119 insertions, 58 deletions
diff --git a/vendor/k8s.io/klog/v2/klog.go b/vendor/k8s.io/klog/v2/klog.go index ae2b86138..23cced625 100644 --- a/vendor/k8s.io/klog/v2/klog.go +++ b/vendor/k8s.io/klog/v2/klog.go @@ -413,6 +413,7 @@ func init() { logging.skipHeaders = false logging.addDirHeader = false logging.skipLogHeaders = false + logging.oneOutput = false go logging.flushDaemon() } @@ -432,6 +433,7 @@ func InitFlags(flagset *flag.FlagSet) { flagset.Var(&logging.verbosity, "v", "number for the log level verbosity") flagset.BoolVar(&logging.addDirHeader, "add_dir_header", logging.addDirHeader, "If true, adds the file directory to the header of the log messages") flagset.BoolVar(&logging.skipHeaders, "skip_headers", logging.skipHeaders, "If true, avoid header prefixes in the log messages") + flagset.BoolVar(&logging.oneOutput, "one_output", logging.oneOutput, "If true, only write logs to their native severity level (vs also writing to each lower severity level") flagset.BoolVar(&logging.skipLogHeaders, "skip_log_headers", logging.skipLogHeaders, "If true, avoid headers when opening log files") flagset.Var(&logging.stderrThreshold, "stderrthreshold", "logs at or above this threshold go to stderr") flagset.Var(&logging.vmodule, "vmodule", "comma-separated list of pattern=N settings for file-filtered logging") @@ -505,6 +507,12 @@ type loggingT struct { // If set, all output will be redirected unconditionally to the provided logr.Logger logr logr.Logger + + // If true, messages will not be propagated to lower severity log levels + oneOutput bool + + // If set, all output will be filtered through the filter. + filter LogFilter } // buffer holds a byte Buffer for reuse. The zero value is ready for use. @@ -687,7 +695,7 @@ func (buf *buffer) someDigits(i, d int) int { return copy(buf.tmp[i:], buf.tmp[j:]) } -func (l *loggingT) println(s severity, logr logr.Logger, args ...interface{}) { +func (l *loggingT) println(s severity, logr logr.Logger, filter LogFilter, args ...interface{}) { buf, file, line := l.header(s, 0) // if logr is set, we clear the generated header as we rely on the backing // logr implementation to print headers @@ -695,15 +703,18 @@ func (l *loggingT) println(s severity, logr logr.Logger, args ...interface{}) { l.putBuffer(buf) buf = l.getBuffer() } + if filter != nil { + args = filter.Filter(args) + } fmt.Fprintln(buf, args...) l.output(s, logr, buf, file, line, false) } -func (l *loggingT) print(s severity, logr logr.Logger, args ...interface{}) { - l.printDepth(s, logr, 1, args...) +func (l *loggingT) print(s severity, logr logr.Logger, filter LogFilter, args ...interface{}) { + l.printDepth(s, logr, filter, 1, args...) } -func (l *loggingT) printDepth(s severity, logr logr.Logger, depth int, args ...interface{}) { +func (l *loggingT) printDepth(s severity, logr logr.Logger, filter LogFilter, depth int, args ...interface{}) { buf, file, line := l.header(s, depth) // if logr is set, we clear the generated header as we rely on the backing // logr implementation to print headers @@ -711,6 +722,9 @@ func (l *loggingT) printDepth(s severity, logr logr.Logger, depth int, args ...i l.putBuffer(buf) buf = l.getBuffer() } + if filter != nil { + args = filter.Filter(args) + } fmt.Fprint(buf, args...) if buf.Bytes()[buf.Len()-1] != '\n' { buf.WriteByte('\n') @@ -718,7 +732,7 @@ func (l *loggingT) printDepth(s severity, logr logr.Logger, depth int, args ...i l.output(s, logr, buf, file, line, false) } -func (l *loggingT) printf(s severity, logr logr.Logger, format string, args ...interface{}) { +func (l *loggingT) printf(s severity, logr logr.Logger, filter LogFilter, format string, args ...interface{}) { buf, file, line := l.header(s, 0) // if logr is set, we clear the generated header as we rely on the backing // logr implementation to print headers @@ -726,6 +740,9 @@ func (l *loggingT) printf(s severity, logr logr.Logger, format string, args ...i l.putBuffer(buf) buf = l.getBuffer() } + if filter != nil { + format, args = filter.FilterF(format, args) + } fmt.Fprintf(buf, format, args...) if buf.Bytes()[buf.Len()-1] != '\n' { buf.WriteByte('\n') @@ -736,7 +753,7 @@ func (l *loggingT) printf(s severity, logr logr.Logger, format string, args ...i // printWithFileLine behaves like print but uses the provided file and line number. If // alsoLogToStderr is true, the log message always appears on standard error; it // will also appear in the log file unless --logtostderr is set. -func (l *loggingT) printWithFileLine(s severity, logr logr.Logger, file string, line int, alsoToStderr bool, args ...interface{}) { +func (l *loggingT) printWithFileLine(s severity, logr logr.Logger, filter LogFilter, file string, line int, alsoToStderr bool, args ...interface{}) { buf := l.formatHeader(s, file, line) // if logr is set, we clear the generated header as we rely on the backing // logr implementation to print headers @@ -744,6 +761,9 @@ func (l *loggingT) printWithFileLine(s severity, logr logr.Logger, file string, l.putBuffer(buf) buf = l.getBuffer() } + if filter != nil { + args = filter.Filter(args) + } fmt.Fprint(buf, args...) if buf.Bytes()[buf.Len()-1] != '\n' { buf.WriteByte('\n') @@ -752,18 +772,24 @@ func (l *loggingT) printWithFileLine(s severity, logr logr.Logger, file string, } // if loggr is specified, will call loggr.Error, otherwise output with logging module. -func (l *loggingT) errorS(err error, loggr logr.Logger, msg string, keysAndValues ...interface{}) { +func (l *loggingT) errorS(err error, loggr logr.Logger, filter LogFilter, msg string, keysAndValues ...interface{}) { + if filter != nil { + msg, keysAndValues = filter.FilterS(msg, keysAndValues) + } if loggr != nil { - loggr.Error(err, msg, keysAndValues) + loggr.Error(err, msg, keysAndValues...) return } l.printS(err, msg, keysAndValues...) } // if loggr is specified, will call loggr.Info, otherwise output with logging module. -func (l *loggingT) infoS(loggr logr.Logger, msg string, keysAndValues ...interface{}) { +func (l *loggingT) infoS(loggr logr.Logger, filter LogFilter, msg string, keysAndValues ...interface{}) { + if filter != nil { + msg, keysAndValues = filter.FilterS(msg, keysAndValues) + } if loggr != nil { - loggr.Info(msg, keysAndValues) + loggr.Info(msg, keysAndValues...) return } l.printS(nil, msg, keysAndValues...) @@ -785,7 +811,7 @@ func (l *loggingT) printS(err error, msg string, keysAndValues ...interface{}) { } else { s = errorLog } - l.printDepth(s, logging.logr, 2, b) + l.printDepth(s, logging.logr, nil, 2, b) } const missingValue = "(MISSING)" @@ -919,18 +945,22 @@ func (l *loggingT) output(s severity, log logr.Logger, buf *buffer, file string, } } - switch s { - case fatalLog: - l.file[fatalLog].Write(data) - fallthrough - case errorLog: - l.file[errorLog].Write(data) - fallthrough - case warningLog: - l.file[warningLog].Write(data) - fallthrough - case infoLog: - l.file[infoLog].Write(data) + if l.oneOutput { + l.file[s].Write(data) + } else { + switch s { + case fatalLog: + l.file[fatalLog].Write(data) + fallthrough + case errorLog: + l.file[errorLog].Write(data) + fallthrough + case warningLog: + l.file[warningLog].Write(data) + fallthrough + case infoLog: + l.file[infoLog].Write(data) + } } } } @@ -1077,11 +1107,19 @@ func (sb *syncBuffer) rotateFile(now time.Time, startup bool) error { } var err error sb.file, _, err = create(severityName[sb.sev], now, startup) - sb.nbytes = 0 if err != nil { return err } - + if startup { + fileInfo, err := sb.file.Stat() + if err != nil { + return fmt.Errorf("file stat could not get fileinfo: %v", err) + } + // init file size + sb.nbytes = uint64(fileInfo.Size()) + } else { + sb.nbytes = 0 + } sb.Writer = bufio.NewWriterSize(sb.file, bufferSize) if sb.logger.skipLogHeaders { @@ -1197,7 +1235,7 @@ func (lb logBridge) Write(b []byte) (n int, err error) { } // printWithFileLine with alsoToStderr=true, so standard log messages // always appear on standard error. - logging.printWithFileLine(severity(lb), logging.logr, file, line, true, text) + logging.printWithFileLine(severity(lb), logging.logr, logging.filter, file, line, true, text) return len(b), nil } @@ -1232,13 +1270,14 @@ func (l *loggingT) setV(pc uintptr) Level { type Verbose struct { enabled bool logr logr.Logger + filter LogFilter } func newVerbose(level Level, b bool) Verbose { if logging.logr == nil { - return Verbose{b, nil} + return Verbose{b, nil, logging.filter} } - return Verbose{b, logging.logr.V(int(level))} + return Verbose{b, logging.logr.V(int(level)), logging.filter} } // V reports whether verbosity at the call site is at least the requested level. @@ -1265,7 +1304,7 @@ func V(level Level) Verbose { return newVerbose(level, true) } - // It's off globally but it vmodule may still be set. + // It's off globally but vmodule may still be set. // Here is another cheap but safe test to see if vmodule is enabled. if atomic.LoadInt32(&logging.filterLength) > 0 { // Now we need a proper lock to use the logging structure. The pcs field @@ -1296,7 +1335,7 @@ func (v Verbose) Enabled() bool { // See the documentation of V for usage. func (v Verbose) Info(args ...interface{}) { if v.enabled { - logging.print(infoLog, v.logr, args...) + logging.print(infoLog, v.logr, v.filter, args...) } } @@ -1304,7 +1343,7 @@ func (v Verbose) Info(args ...interface{}) { // See the documentation of V for usage. func (v Verbose) Infoln(args ...interface{}) { if v.enabled { - logging.println(infoLog, v.logr, args...) + logging.println(infoLog, v.logr, v.filter, args...) } } @@ -1312,7 +1351,7 @@ func (v Verbose) Infoln(args ...interface{}) { // See the documentation of V for usage. func (v Verbose) Infof(format string, args ...interface{}) { if v.enabled { - logging.printf(infoLog, v.logr, format, args...) + logging.printf(infoLog, v.logr, v.filter, format, args...) } } @@ -1320,40 +1359,47 @@ func (v Verbose) Infof(format string, args ...interface{}) { // See the documentation of V for usage. func (v Verbose) InfoS(msg string, keysAndValues ...interface{}) { if v.enabled { - logging.infoS(v.logr, msg, keysAndValues...) + logging.infoS(v.logr, v.filter, msg, keysAndValues...) } } -// Error is equivalent to the global Error function, guarded by the value of v. -// See the documentation of V for usage. +// Deprecated: Use ErrorS instead. func (v Verbose) Error(err error, msg string, args ...interface{}) { if v.enabled { - logging.errorS(err, v.logr, msg, args...) + logging.errorS(err, v.logr, v.filter, msg, args...) + } +} + +// ErrorS is equivalent to the global Error function, guarded by the value of v. +// See the documentation of V for usage. +func (v Verbose) ErrorS(err error, msg string, keysAndValues ...interface{}) { + if v.enabled { + logging.errorS(err, v.logr, v.filter, msg, keysAndValues...) } } // Info logs to the INFO log. // Arguments are handled in the manner of fmt.Print; a newline is appended if missing. func Info(args ...interface{}) { - logging.print(infoLog, logging.logr, args...) + logging.print(infoLog, logging.logr, logging.filter, args...) } // InfoDepth acts as Info but uses depth to determine which call frame to log. // InfoDepth(0, "msg") is the same as Info("msg"). func InfoDepth(depth int, args ...interface{}) { - logging.printDepth(infoLog, logging.logr, depth, args...) + logging.printDepth(infoLog, logging.logr, logging.filter, depth, args...) } // Infoln logs to the INFO log. // Arguments are handled in the manner of fmt.Println; a newline is always appended. func Infoln(args ...interface{}) { - logging.println(infoLog, logging.logr, args...) + logging.println(infoLog, logging.logr, logging.filter, args...) } // Infof logs to the INFO log. // Arguments are handled in the manner of fmt.Printf; a newline is appended if missing. func Infof(format string, args ...interface{}) { - logging.printf(infoLog, logging.logr, format, args...) + logging.printf(infoLog, logging.logr, logging.filter, format, args...) } // InfoS structured logs to the INFO log. @@ -1365,55 +1411,55 @@ func Infof(format string, args ...interface{}) { // output: // >> I1025 00:15:15.525108 1 controller_utils.go:116] "Pod status updated" pod="kubedns" status="ready" func InfoS(msg string, keysAndValues ...interface{}) { - logging.infoS(logging.logr, msg, keysAndValues...) + logging.infoS(logging.logr, logging.filter, msg, keysAndValues...) } // Warning logs to the WARNING and INFO logs. // Arguments are handled in the manner of fmt.Print; a newline is appended if missing. func Warning(args ...interface{}) { - logging.print(warningLog, logging.logr, args...) + logging.print(warningLog, logging.logr, logging.filter, args...) } // WarningDepth acts as Warning but uses depth to determine which call frame to log. // WarningDepth(0, "msg") is the same as Warning("msg"). func WarningDepth(depth int, args ...interface{}) { - logging.printDepth(warningLog, logging.logr, depth, args...) + logging.printDepth(warningLog, logging.logr, logging.filter, depth, args...) } // Warningln logs to the WARNING and INFO logs. // Arguments are handled in the manner of fmt.Println; a newline is always appended. func Warningln(args ...interface{}) { - logging.println(warningLog, logging.logr, args...) + logging.println(warningLog, logging.logr, logging.filter, args...) } // Warningf logs to the WARNING and INFO logs. // Arguments are handled in the manner of fmt.Printf; a newline is appended if missing. func Warningf(format string, args ...interface{}) { - logging.printf(warningLog, logging.logr, format, args...) + logging.printf(warningLog, logging.logr, logging.filter, format, args...) } // Error logs to the ERROR, WARNING, and INFO logs. // Arguments are handled in the manner of fmt.Print; a newline is appended if missing. func Error(args ...interface{}) { - logging.print(errorLog, logging.logr, args...) + logging.print(errorLog, logging.logr, logging.filter, args...) } // ErrorDepth acts as Error but uses depth to determine which call frame to log. // ErrorDepth(0, "msg") is the same as Error("msg"). func ErrorDepth(depth int, args ...interface{}) { - logging.printDepth(errorLog, logging.logr, depth, args...) + logging.printDepth(errorLog, logging.logr, logging.filter, depth, args...) } // Errorln logs to the ERROR, WARNING, and INFO logs. // Arguments are handled in the manner of fmt.Println; a newline is always appended. func Errorln(args ...interface{}) { - logging.println(errorLog, logging.logr, args...) + logging.println(errorLog, logging.logr, logging.filter, args...) } // Errorf logs to the ERROR, WARNING, and INFO logs. // Arguments are handled in the manner of fmt.Printf; a newline is appended if missing. func Errorf(format string, args ...interface{}) { - logging.printf(errorLog, logging.logr, format, args...) + logging.printf(errorLog, logging.logr, logging.filter, format, args...) } // ErrorS structured logs to the ERROR, WARNING, and INFO logs. @@ -1426,34 +1472,34 @@ func Errorf(format string, args ...interface{}) { // output: // >> E1025 00:15:15.525108 1 controller_utils.go:114] "Failed to update pod status" err="timeout" func ErrorS(err error, msg string, keysAndValues ...interface{}) { - logging.errorS(err, logging.logr, msg, keysAndValues...) + logging.errorS(err, logging.logr, logging.filter, msg, keysAndValues...) } // Fatal logs to the FATAL, ERROR, WARNING, and INFO logs, // including a stack trace of all running goroutines, then calls os.Exit(255). // Arguments are handled in the manner of fmt.Print; a newline is appended if missing. func Fatal(args ...interface{}) { - logging.print(fatalLog, logging.logr, args...) + logging.print(fatalLog, logging.logr, logging.filter, args...) } // FatalDepth acts as Fatal but uses depth to determine which call frame to log. // FatalDepth(0, "msg") is the same as Fatal("msg"). func FatalDepth(depth int, args ...interface{}) { - logging.printDepth(fatalLog, logging.logr, depth, args...) + logging.printDepth(fatalLog, logging.logr, logging.filter, depth, args...) } // Fatalln logs to the FATAL, ERROR, WARNING, and INFO logs, // including a stack trace of all running goroutines, then calls os.Exit(255). // Arguments are handled in the manner of fmt.Println; a newline is always appended. func Fatalln(args ...interface{}) { - logging.println(fatalLog, logging.logr, args...) + logging.println(fatalLog, logging.logr, logging.filter, args...) } // Fatalf logs to the FATAL, ERROR, WARNING, and INFO logs, // including a stack trace of all running goroutines, then calls os.Exit(255). // Arguments are handled in the manner of fmt.Printf; a newline is appended if missing. func Fatalf(format string, args ...interface{}) { - logging.printf(fatalLog, logging.logr, format, args...) + logging.printf(fatalLog, logging.logr, logging.filter, format, args...) } // fatalNoStacks is non-zero if we are to exit without dumping goroutine stacks. @@ -1464,27 +1510,42 @@ var fatalNoStacks uint32 // Arguments are handled in the manner of fmt.Print; a newline is appended if missing. func Exit(args ...interface{}) { atomic.StoreUint32(&fatalNoStacks, 1) - logging.print(fatalLog, logging.logr, args...) + logging.print(fatalLog, logging.logr, logging.filter, args...) } // ExitDepth acts as Exit but uses depth to determine which call frame to log. // ExitDepth(0, "msg") is the same as Exit("msg"). func ExitDepth(depth int, args ...interface{}) { atomic.StoreUint32(&fatalNoStacks, 1) - logging.printDepth(fatalLog, logging.logr, depth, args...) + logging.printDepth(fatalLog, logging.logr, logging.filter, depth, args...) } // Exitln logs to the FATAL, ERROR, WARNING, and INFO logs, then calls os.Exit(1). func Exitln(args ...interface{}) { atomic.StoreUint32(&fatalNoStacks, 1) - logging.println(fatalLog, logging.logr, args...) + logging.println(fatalLog, logging.logr, logging.filter, args...) } // Exitf logs to the FATAL, ERROR, WARNING, and INFO logs, then calls os.Exit(1). // Arguments are handled in the manner of fmt.Printf; a newline is appended if missing. func Exitf(format string, args ...interface{}) { atomic.StoreUint32(&fatalNoStacks, 1) - logging.printf(fatalLog, logging.logr, format, args...) + logging.printf(fatalLog, logging.logr, logging.filter, format, args...) +} + +// LogFilter is a collection of functions that can filter all logging calls, +// e.g. for sanitization of arguments and prevent accidental leaking of secrets. +type LogFilter interface { + Filter(args []interface{}) []interface{} + FilterF(format string, args []interface{}) (string, []interface{}) + FilterS(msg string, keysAndValues []interface{}) (string, []interface{}) +} + +func SetLogFilter(filter LogFilter) { + logging.mu.Lock() + defer logging.mu.Unlock() + + logging.filter = filter } // ObjectRef references a kubernetes object |