oc-lib/logs/logger.go

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package logs
import (
"os"
"runtime"
"time"
"github.com/rs/zerolog"
)
var logger zerolog.Logger
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var appname string
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// logs.CreateLogger
// Create a new logger
// Parameters:
// - appname: string : the name of the application using oclib
// - url: string : the url of a loki logger, console log only if ""
// Returns:
// - zerolog.Logger : the logger that will log for the library and the app
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func SetAppName(name string) {
appname = name
}
func GetAppName() string {
return appname
}
func GetLogger() zerolog.Logger {
return logger
}
func SetLogger(l zerolog.Logger) {
logger = l
}
func CreateLogger(funcName string, url string) zerolog.Logger {
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if url != "" {
labels := map[string]string{
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"app": appname,
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"code": "go",
"platform": runtime.GOOS,
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"function": funcName,
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}
lokiWriter := NewLokiWriter(url, labels)
consoleWriter := zerolog.ConsoleWriter{Out: os.Stdout, TimeFormat: time.RFC3339}
multiWriter := zerolog.MultiLevelWriter(consoleWriter, lokiWriter)
logger = zerolog.New(multiWriter).With().Timestamp().Logger()
} else {
logger = zerolog.New(os.Stdout).With().Timestamp().Logger()
}
return logger
}