diff options
Diffstat (limited to 'vendor/github.com/prometheus/common/log/syslog_formatter.go')
| -rw-r--r-- | vendor/github.com/prometheus/common/log/syslog_formatter.go | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/vendor/github.com/prometheus/common/log/syslog_formatter.go b/vendor/github.com/prometheus/common/log/syslog_formatter.go index fd8c6fbee..64f5fdac9 100644 --- a/vendor/github.com/prometheus/common/log/syslog_formatter.go +++ b/vendor/github.com/prometheus/common/log/syslog_formatter.go @@ -23,6 +23,8 @@ import ( "github.com/Sirupsen/logrus" ) +var _ logrus.Formatter = (*syslogger)(nil) + func init() { setSyslogFormatter = func(appname, local string) error { if appname == "" { @@ -43,7 +45,7 @@ func init() { } } -var ceeTag = []byte("@cee:") +var prefixTag []byte type syslogger struct { wrap logrus.Formatter @@ -56,6 +58,11 @@ func newSyslogger(appname string, facility string, fmter logrus.Formatter) (*sys return nil, err } out, err := syslog.New(priority, appname) + _, isJSON := fmter.(*logrus.JSONFormatter) + if isJSON { + // add cee tag to json formatted syslogs + prefixTag = []byte("@cee:") + } return &syslogger{ out: out, wrap: fmter, @@ -92,7 +99,7 @@ func (s *syslogger) Format(e *logrus.Entry) ([]byte, error) { } // only append tag to data sent to syslog (line), not to what // is returned - line := string(append(ceeTag, data...)) + line := string(append(prefixTag, data...)) switch e.Level { case logrus.PanicLevel: |