go_goutils/logging/funcs_multilogger_mgr_linux.go

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package logging
import (
`os`
sysd `github.com/coreos/go-systemd/journal`
`github.com/google/uuid`
`r00t2.io/sysutils/paths`
)
/*
AddDefaultLogger adds a default Logger (as would be determined by GetLogger) to a MultiLogger.
identifier is a string to use to identify the added Logger in MultiLogger.Loggers.
If empty, one will be automatically generated.
See the documentation for GetLogger for details on other arguments.
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*/
func (m *MultiLogger) AddDefaultLogger(identifier string, logFlags int, logPaths ...string) (err error) {
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var l Logger
var exists bool
if identifier == "" {
identifier = uuid.New().String()
}
if _, exists = m.Loggers[identifier]; exists {
err = ErrExistingLogger
return
}
if l, err = GetLogger(m.EnableDebug, m.Prefix, logFlags, logPaths...); err != nil {
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return
}
m.Loggers[identifier] = l
return
}
/*
AddSysdLogger adds a SystemDLogger to a MultiLogger.
identifier is a string to use to identify the added SystemDLogger in MultiLogger.Loggers.
If empty, one will be automatically generated.
*/
func (m *MultiLogger) AddSysdLogger(identifier string) (err error) {
var exists bool
var prefix string
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if identifier == "" {
identifier = uuid.New().String()
}
if _, exists = m.Loggers[identifier]; exists {
err = ErrExistingLogger
return
}
if !sysd.Enabled() {
err = ErrNoSysD
return
}
m.Loggers[identifier] = &SystemDLogger{
EnableDebug: m.EnableDebug,
Prefix: m.Prefix,
}
if err = m.Loggers[identifier].Setup(); err != nil {
return
}
if prefix, err = m.Loggers[identifier].GetPrefix(); err != nil {
return
}
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m.Loggers[identifier].Debug("logger initialized of type %T with prefix %v", m.Loggers[identifier], prefix)
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return
}
/*
AddSyslogLogger adds a SyslogLogger to a MultiLogger.
identifier is a string to use to identify the added SyslogLogger in MultiLogger.Loggers.
If empty, one will be automatically generated.
*/
func (m *MultiLogger) AddSyslogLogger(identifier string) (err error) {
var exists bool
var hasSyslog bool
var stat os.FileInfo
var devlogPath string = devlog
var prefix string
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if identifier == "" {
identifier = uuid.New().String()
}
if _, exists = m.Loggers[identifier]; exists {
err = ErrExistingLogger
return
}
if hasSyslog, stat, err = paths.RealPathExistsStat(&devlogPath); hasSyslog && err != nil {
return
} else if !hasSyslog {
err = ErrNoSyslog
return
}
if stat.Mode().IsRegular() {
err = ErrInvalidDevLog
return
}
m.Loggers[identifier] = &SyslogLogger{
EnableDebug: m.EnableDebug,
Prefix: m.Prefix,
}
if err = m.Loggers[identifier].Setup(); err != nil {
return
}
if prefix, err = m.Loggers[identifier].GetPrefix(); err != nil {
return
}
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m.Loggers[identifier].Debug("logger initialized of type %T with prefix %v", m.Loggers[identifier], prefix)
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return
}