forked from pki-io/admin
/
logging.go
63 lines (52 loc) · 1.47 KB
/
logging.go
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package main
import (
"fmt"
log "github.com/cihub/seelog"
"os"
)
var logger log.LoggerInterface
type CustomReceiver struct{}
// The next const isn't required anymore but leaving here for now as we might need it when we try
// to get config working again.
const defaultLoggingConfig string = `
<seelog minlevel="info" maxlevel="error">
<outputs formatid="raw">
<custom name="stderr"/>
</outputs>
<formats>
<format id="raw" format="%Msg%n"/>
</formats>
</seelog>
`
func checkLogFatal(format string, a ...interface{}) {
if len(a) > 0 && a[len(a)-1] == nil {
return
}
fmt.Fprintf(os.Stderr, format, a...)
panic("...")
os.Exit(1)
}
// Initialize logging from command arguments.
func initLogging(configFile string) {
var err error
log.RegisterReceiver("stderr", &CustomReceiver{})
if configFile == "" {
logger, err = log.LoggerFromConfigAsString(defaultLoggingConfig)
checkLogFatal("Failed to load default logging configuration: %s", err)
} else {
logger, err = log.LoggerFromConfigAsFile(configFile)
checkLogFatal("Failed to initialize custom logging file %s: %s", configFile, err)
}
}
func (ar *CustomReceiver) ReceiveMessage(message string, level log.LogLevel, context log.LogContextInterface) error {
fmt.Fprintf(os.Stderr, "%s", message)
return nil
}
func (ar *CustomReceiver) AfterParse(initArgs log.CustomReceiverInitArgs) error {
return nil
}
func (ar *CustomReceiver) Flush() {
}
func (ar *CustomReceiver) Close() error {
return nil
}