[chore] small logging cleanup (#869)
* handle more syslogging levels, use singular time format variable, add entry .New() function * pass in calldepth to lower log functions to ensure correctly set * update truncate length in syslog test
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kim
GitHub
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1d999712e6
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9fcfe61410
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@ -41,77 +41,77 @@ func (e Entry) WithFields(fields ...kv.Field) Entry {
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}
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func (e Entry) Trace(a ...interface{}) {
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logf(level.TRACE, e.fields, args(len(a)), a...)
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logf(3, level.TRACE, e.fields, args(len(a)), a...)
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}
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func (e Entry) Tracef(s string, a ...interface{}) {
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logf(level.TRACE, e.fields, s, a...)
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logf(3, level.TRACE, e.fields, s, a...)
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}
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func (e Entry) Debug(a ...interface{}) {
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logf(level.DEBUG, e.fields, args(len(a)), a...)
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logf(3, level.DEBUG, e.fields, args(len(a)), a...)
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}
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func (e Entry) Debugf(s string, a ...interface{}) {
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logf(level.DEBUG, e.fields, s, a...)
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logf(3, level.DEBUG, e.fields, s, a...)
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}
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func (e Entry) Info(a ...interface{}) {
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logf(level.INFO, e.fields, args(len(a)), a...)
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logf(3, level.INFO, e.fields, args(len(a)), a...)
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}
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func (e Entry) Infof(s string, a ...interface{}) {
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logf(level.INFO, e.fields, s, a...)
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logf(3, level.INFO, e.fields, s, a...)
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}
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func (e Entry) Warn(a ...interface{}) {
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logf(level.WARN, e.fields, args(len(a)), a...)
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logf(3, level.WARN, e.fields, args(len(a)), a...)
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}
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func (e Entry) Warnf(s string, a ...interface{}) {
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logf(level.WARN, e.fields, s, a...)
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logf(3, level.WARN, e.fields, s, a...)
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}
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func (e Entry) Error(a ...interface{}) {
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logf(level.ERROR, e.fields, args(len(a)), a...)
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logf(3, level.ERROR, e.fields, args(len(a)), a...)
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}
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func (e Entry) Errorf(s string, a ...interface{}) {
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logf(level.ERROR, e.fields, s, a...)
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logf(3, level.ERROR, e.fields, s, a...)
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}
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func (e Entry) Fatal(a ...interface{}) {
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defer syscall.Exit(1)
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logf(level.FATAL, e.fields, args(len(a)), a...)
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logf(3, level.FATAL, e.fields, args(len(a)), a...)
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}
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func (e Entry) Fatalf(s string, a ...interface{}) {
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defer syscall.Exit(1)
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logf(level.FATAL, e.fields, s, a...)
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logf(3, level.FATAL, e.fields, s, a...)
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}
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func (e Entry) Panic(a ...interface{}) {
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defer panic(fmt.Sprint(a...))
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logf(level.PANIC, e.fields, args(len(a)), a...)
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logf(3, level.PANIC, e.fields, args(len(a)), a...)
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}
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func (e Entry) Panicf(s string, a ...interface{}) {
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defer panic(fmt.Sprintf(s, a...))
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logf(level.PANIC, e.fields, s, a...)
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logf(3, level.PANIC, e.fields, s, a...)
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}
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func (e Entry) Log(lvl level.LEVEL, a ...interface{}) {
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logf(lvl, e.fields, args(len(a)), a...)
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logf(3, lvl, e.fields, args(len(a)), a...)
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}
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func (e Entry) Logf(lvl level.LEVEL, s string, a ...interface{}) {
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logf(lvl, e.fields, s, a...)
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logf(3, lvl, e.fields, s, a...)
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}
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func (e Entry) Print(a ...interface{}) {
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printf(e.fields, args(len(a)), a...)
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printf(3, e.fields, args(len(a)), a...)
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}
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func (e Entry) Printf(s string, a ...interface{}) {
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printf(e.fields, s, a...)
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printf(3, e.fields, s, a...)
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}
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@ -24,17 +24,17 @@ import (
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"log/syslog"
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"os"
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"strings"
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"sync/atomic"
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"syscall"
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"time"
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"codeberg.org/gruf/go-atomics"
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"codeberg.org/gruf/go-kv"
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"codeberg.org/gruf/go-logger/v2/level"
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)
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var (
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// loglvl is the currently set logging level.
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loglvl atomics.Uint32
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loglvl atomic.Uint32
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// lvlstrs is the lookup table of log levels to strings.
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lvlstrs = level.Default()
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@ -45,6 +45,9 @@ var (
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// Syslog output, only set if enabled.
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sysout *syslog.Writer
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// timefmt is the logging time format used.
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timefmt = "02/01/2006 15:04:05.000"
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)
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// Level returns the currently set log level.
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@ -57,6 +60,11 @@ func SetLevel(lvl level.LEVEL) {
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loglvl.Store(uint32(lvl))
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}
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// New starts a new log entry.
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func New() Entry {
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return Entry{}
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}
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func WithField(key string, value interface{}) Entry {
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return Entry{fields: []kv.Field{{K: key, V: value}}}
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}
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@ -66,98 +74,97 @@ func WithFields(fields ...kv.Field) Entry {
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}
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func Trace(a ...interface{}) {
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logf(level.TRACE, nil, args(len(a)), a...)
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logf(3, level.TRACE, nil, args(len(a)), a...)
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}
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func Tracef(s string, a ...interface{}) {
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logf(level.TRACE, nil, s, a...)
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logf(3, level.TRACE, nil, s, a...)
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}
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func Debug(a ...interface{}) {
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logf(level.DEBUG, nil, args(len(a)), a...)
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logf(3, level.DEBUG, nil, args(len(a)), a...)
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}
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func Debugf(s string, a ...interface{}) {
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logf(level.DEBUG, nil, s, a...)
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logf(3, level.DEBUG, nil, s, a...)
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}
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func Info(a ...interface{}) {
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logf(level.INFO, nil, args(len(a)), a...)
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logf(3, level.INFO, nil, args(len(a)), a...)
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}
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func Infof(s string, a ...interface{}) {
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logf(level.INFO, nil, s, a...)
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logf(3, level.INFO, nil, s, a...)
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}
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func Warn(a ...interface{}) {
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logf(level.WARN, nil, args(len(a)), a...)
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logf(3, level.WARN, nil, args(len(a)), a...)
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}
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func Warnf(s string, a ...interface{}) {
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logf(level.WARN, nil, s, a...)
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logf(3, level.WARN, nil, s, a...)
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}
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func Error(a ...interface{}) {
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logf(level.ERROR, nil, args(len(a)), a...)
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logf(3, level.ERROR, nil, args(len(a)), a...)
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}
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func Errorf(s string, a ...interface{}) {
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logf(level.ERROR, nil, s, a...)
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logf(3, level.ERROR, nil, s, a...)
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}
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func Fatal(a ...interface{}) {
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defer syscall.Exit(1)
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logf(level.FATAL, nil, args(len(a)), a...)
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logf(3, level.FATAL, nil, args(len(a)), a...)
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}
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func Fatalf(s string, a ...interface{}) {
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defer syscall.Exit(1)
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logf(level.FATAL, nil, s, a...)
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logf(3, level.FATAL, nil, s, a...)
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}
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func Panic(a ...interface{}) {
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defer panic(fmt.Sprint(a...))
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logf(level.PANIC, nil, args(len(a)), a...)
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logf(3, level.PANIC, nil, args(len(a)), a...)
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}
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func Panicf(s string, a ...interface{}) {
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defer panic(fmt.Sprintf(s, a...))
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logf(level.PANIC, nil, s, a...)
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logf(3, level.PANIC, nil, s, a...)
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}
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// Log will log formatted args as 'msg' field to the log at given level.
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func Log(lvl level.LEVEL, a ...interface{}) {
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logf(lvl, nil, args(len(a)), a...)
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logf(3, lvl, nil, args(len(a)), a...)
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}
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// Logf will log format string as 'msg' field to the log at given level.
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func Logf(lvl level.LEVEL, s string, a ...interface{}) {
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logf(lvl, nil, s, a...)
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logf(3, lvl, nil, s, a...)
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}
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// Print will log formatted args to the stdout log output.
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func Print(a ...interface{}) {
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printf(nil, args(len(a)), a...)
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printf(3, nil, args(len(a)), a...)
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}
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// Print will log format string to the stdout log output.
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func Printf(s string, a ...interface{}) {
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printf(nil, s, a...)
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printf(3, nil, s, a...)
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}
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func printf(fields []kv.Field, s string, a ...interface{}) {
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func printf(depth int, fields []kv.Field, s string, a ...interface{}) {
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// Acquire buffer
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buf := getBuf()
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// Append formatted timestamp
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now := time.Now().Format("02/01/2006 15:04:05.000")
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buf.B = append(buf.B, `timestamp="`...)
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buf.B = append(buf.B, now...)
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buf.B = time.Now().AppendFormat(buf.B, timefmt)
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buf.B = append(buf.B, `" `...)
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// Append formatted caller func
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buf.B = append(buf.B, `func=`...)
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buf.B = append(buf.B, Caller(4)...)
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buf.B = append(buf.B, Caller(depth+1)...)
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buf.B = append(buf.B, ' ')
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if len(fields) > 0 {
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@ -169,15 +176,22 @@ func printf(fields []kv.Field, s string, a ...interface{}) {
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// Append formatted args
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fmt.Fprintf(buf, s, a...)
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if buf.B[len(buf.B)-1] != '\n' {
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// Append a final newline
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buf.B = append(buf.B, '\n')
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}
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if sysout != nil {
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// Write log entry to syslog
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logsys(level.INFO, buf.String())
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}
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// Write to log and release
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_, _ = stdout.Write(buf.B)
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putBuf(buf)
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}
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func logf(lvl level.LEVEL, fields []kv.Field, s string, a ...interface{}) {
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func logf(depth int, lvl level.LEVEL, fields []kv.Field, s string, a ...interface{}) {
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var out io.Writer
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// Check if enabled.
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@ -197,14 +211,13 @@ func logf(lvl level.LEVEL, fields []kv.Field, s string, a ...interface{}) {
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buf := getBuf()
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// Append formatted timestamp
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now := time.Now().Format("02/01/2006 15:04:05.000")
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buf.B = append(buf.B, `timestamp="`...)
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buf.B = append(buf.B, now...)
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buf.B = time.Now().AppendFormat(buf.B, timefmt)
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buf.B = append(buf.B, `" `...)
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// Append formatted caller func
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buf.B = append(buf.B, `func=`...)
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buf.B = append(buf.B, Caller(4)...)
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buf.B = append(buf.B, Caller(depth+1)...)
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buf.B = append(buf.B, ' ')
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// Append formatted level string
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@ -214,11 +227,13 @@ func logf(lvl level.LEVEL, fields []kv.Field, s string, a ...interface{}) {
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// Append formatted fields with msg
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kv.Fields(append(fields, kv.Field{
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"msg", fmt.Sprintf(s, a...),
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K: "msg", V: fmt.Sprintf(s, a...),
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})).AppendFormat(buf, false)
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if buf.B[len(buf.B)-1] != '\n' {
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// Append a final newline
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buf.B = append(buf.B, '\n')
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}
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if sysout != nil {
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// Write log entry to syslog
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@ -231,23 +246,22 @@ func logf(lvl level.LEVEL, fields []kv.Field, s string, a ...interface{}) {
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}
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// logsys will log given msg at given severity to the syslog.
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// Max length: https://www.rfc-editor.org/rfc/rfc5424.html#section-6.1
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func logsys(lvl level.LEVEL, msg string) {
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// Truncate message if > 1700 chars
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if len(msg) > 1700 {
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msg = msg[:1697] + "..."
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if max := 2048; len(msg) > max {
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// Truncate up to max
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msg = msg[:max]
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}
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// Log at appropriate syslog severity
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switch lvl {
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case level.TRACE:
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case level.DEBUG:
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case level.TRACE, level.DEBUG:
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_ = sysout.Debug(msg)
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case level.INFO:
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_ = sysout.Info(msg)
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case level.WARN:
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_ = sysout.Warning(msg)
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case level.ERROR:
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_ = sysout.Err(msg)
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case level.FATAL:
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case level.FATAL, level.PANIC:
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_ = sysout.Crit(msg)
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}
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}
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@ -79,7 +79,7 @@ func (suite *SyslogTestSuite) TestSyslogLongMessage() {
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prefix := fmt.Sprintf(`timestamp="02/01/2006 15:04:05.000" func=%s level=WARN msg="`, funcName)
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entry := <-suite.syslogChannel
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regex := fmt.Sprintf(`timestamp=.* func=.* level=WARN msg="%s\.\.\.`, longMessage[:1700-len(prefix)-3])
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regex := fmt.Sprintf(`timestamp=.* func=.* level=WARN msg="%s`, longMessage[:2048-len(prefix)])
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suite.Regexp(regexp.MustCompile(regex), entry["content"])
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}
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@ -110,7 +110,7 @@ func (suite *SyslogTestSuite) TestSyslogLongMessageUnixgram() {
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prefix := fmt.Sprintf(`timestamp="02/01/2006 15:04:05.000" func=%s level=WARN msg="`, funcName)
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entry := <-syslogChannel
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regex := fmt.Sprintf(`timestamp=.* func=.* level=WARN msg="%s\.\.\.`, longMessage[:1700-len(prefix)-3])
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regex := fmt.Sprintf(`timestamp=.* func=.* level=WARN msg="%s`, longMessage[:2048-len(prefix)])
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suite.Regexp(regexp.MustCompile(regex), entry["content"])
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