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aws.go
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aws.go
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package tracing
import (
"fmt"
"os"
"sync"
"github.com/aws/aws-sdk-go/aws/client"
"github.com/aws/aws-xray-sdk-go/xray"
"github.com/aws/aws-xray-sdk-go/xraylog"
"github.com/justtrackio/gosoline/pkg/cfg"
"github.com/justtrackio/gosoline/pkg/log"
)
var globalXRayLogger = &xrayLogger{
fallback: xraylog.NewDefaultLogger(os.Stdout, xraylog.LogLevelInfo),
}
func init() {
// SetLogger is not thread safe, so set it upon startup to our wrapper. Our wrapper is safe and falls back to the
// default if we don't have our logger initialized yet.
xray.SetLogger(globalXRayLogger)
}
func AWS(config cfg.Config, c *client.Client) {
enabled := config.GetBool("tracing_enabled")
if !enabled {
return
}
xray.AWS(c)
}
type xrayLogger struct {
lck sync.RWMutex
logger log.Logger
fallback xraylog.Logger
}
func setGlobalXRayLogger(logger log.Logger) {
globalXRayLogger.lck.Lock()
defer globalXRayLogger.lck.Unlock()
globalXRayLogger.logger = logger.WithChannel("tracing")
}
func (x *xrayLogger) Log(level xraylog.LogLevel, msg fmt.Stringer) {
globalXRayLogger.lck.RLock()
defer globalXRayLogger.lck.RUnlock()
if x.logger == nil {
x.fallback.Log(level, msg)
return
}
switch level {
case xraylog.LogLevelDebug:
x.logger.WithFields(log.Fields{
"xrayLogLevel": "debug",
}).Debug(msg.String())
case xraylog.LogLevelInfo:
x.logger.WithFields(log.Fields{
"xrayLogLevel": "info",
}).Info(msg.String())
case xraylog.LogLevelWarn:
x.logger.WithFields(log.Fields{
"xrayLogLevel": "warn",
}).Warn(msg.String())
case xraylog.LogLevelError:
x.logger.WithFields(log.Fields{
"xrayLogLevel": "error",
}).Warn(msg.String()) // TODO we set error to warn level to prevent triggering alarm when message too long appears
}
}