CWA customer change: make func needed in CWA public

.gitignore

@@ -11,3 +11,4 @@ process.yml
 /*.conf
 resource.syso
 versioninfo.json
+*.iml

logger/event_logger.go

@@ -58,6 +58,6 @@ func RegisterEventLogger(name string) error {
 		return err
 	}
 
-	registerLogger(LogTargetEventlog, &eventLoggerCreator{logger: eventLog})
+	RegisterLogger(LogTargetEventlog, &eventLoggerCreator{logger: eventLog})
 	return nil
 }

logger/event_logger_test.go

@@ -96,5 +96,5 @@ func prepareLogger(t *testing.T) {
 	eventLog, err := eventlog.Open("telegraf")
 	require.NoError(t, err)
 	require.NotNil(t, eventLog)
-	registerLogger(LogTargetEventlog, &eventLoggerCreator{logger: eventLog})
+	RegisterLogger(LogTargetEventlog, &eventLoggerCreator{logger: eventLog})
 }

logger/logger.go

@@ -49,7 +49,8 @@ type LoggerCreator interface {
 
 var loggerRegistry map[string]LoggerCreator
 
-func registerLogger(name string, loggerCreator LoggerCreator) {
+// RegisterLogger Make func public for CloudWatch Agent to consume
+func RegisterLogger(name string, loggerCreator LoggerCreator) {
 	if loggerRegistry == nil {
 		loggerRegistry = make(map[string]LoggerCreator)
 	}
@@ -89,7 +90,8 @@ func (t *telegrafLog) Close() error {
 	return closer.Close()
 }
 
-// newTelegrafWriter returns a logging-wrapped writer.
+// NewTelegrafWriter returns a logging-wrapped writer.
+// Make func public for CloudWatch Agent to consume
 func newTelegrafWriter(w io.Writer, c LogConfig) (io.Writer, error) {
 	timezoneName := c.LogWithTimezone
 
@@ -176,7 +178,7 @@ func newLogWriter(cfg LogConfig) io.Writer {
 
 func init() {
 	tlc := &telegrafLogCreator{}
-	registerLogger("", tlc)
-	registerLogger(LogTargetStderr, tlc)
-	registerLogger(LogTargetFile, tlc)
+	RegisterLogger("", tlc)
+	RegisterLogger(LogTargetStderr, tlc)
+	RegisterLogger(LogTargetFile, tlc)
 }