/
dropsonde_logsender.go
73 lines (61 loc) · 1.84 KB
/
dropsonde_logsender.go
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package accesslog
import (
"fmt"
"strconv"
"time"
"code.cloudfoundry.org/gorouter/accesslog/schema"
"code.cloudfoundry.org/gorouter/config"
goRouterLogger "code.cloudfoundry.org/gorouter/logger"
"github.com/cloudfoundry/dropsonde"
"github.com/cloudfoundry/dropsonde/emitter"
"github.com/cloudfoundry/sonde-go/events"
"github.com/gogo/protobuf/proto"
"github.com/uber-go/zap"
)
type DropsondeLogSender struct {
eventEmitter dropsonde.EventEmitter
sourceInstance string
logger goRouterLogger.Logger
}
func (l *DropsondeLogSender) SendAppLog(appID, message string, tags map[string]string) {
if l.sourceInstance == "" || appID == "" {
l.logger.Debug("dropping-loggregator-access-log",
zap.Error(fmt.Errorf("either no appId or source instance present")),
zap.String("appID", appID),
zap.String("sourceInstance", l.sourceInstance),
)
return
}
sourceType := "RTR"
messageType := events.LogMessage_OUT
logMessage := &events.LogMessage{
Message: []byte(message),
AppId: proto.String(appID),
MessageType: &messageType,
SourceType: &sourceType,
SourceInstance: &l.sourceInstance,
Timestamp: proto.Int64(time.Now().UnixNano()),
}
envelope, err := emitter.Wrap(logMessage, l.eventEmitter.Origin())
if err != nil {
l.logger.Error("error-wrapping-access-log-for-emitting", zap.Error(err))
return
}
envelope.Tags = tags
if err = l.eventEmitter.EmitEnvelope(envelope); err != nil {
l.logger.Error("error-emitting-access-log-to-writers", zap.Error(err))
}
}
func NewLogSender(
c *config.Config,
e dropsonde.EventEmitter,
logger goRouterLogger.Logger,
) schema.LogSender {
var dropsondeSourceInstance string
if c.Logging.LoggregatorEnabled {
dropsondeSourceInstance = strconv.FormatUint(uint64(c.Index), 10)
}
return &DropsondeLogSender{
e, dropsondeSourceInstance, logger,
}
}