Merge pull request #1 from mundipagg/hotfix/return-error-when-parse-m…

…essage

return error when the message does not meet the template

splunk.go

@@ -50,8 +50,13 @@ func (sw *Writer) Write(entry tracer.Entry) {
 		}
 
 		properties := NewEntry(append(entry.Args, sw.defaultPropertiesApp))
+
 		message := punctuation.FindStringSubmatch(s.Capitalize(entry.Message))[1]
-		message = s.ProcessString(r.Replace(message), properties)
+
+		message, err := s.ProcessString(r.Replace(message), properties)
+		if err != nil {
+			message = entry.Message
+		}
 
 		l := NewEntry(sw.configLineLog)
 		l.Add("time", time.Now().UTC().UnixNano())

strings/strings.go

@@ -2,7 +2,6 @@ package strings
 
 import (
 	"bytes"
-	"fmt"
 	"html/template"
 	"regexp"
 	"strings"
@@ -35,21 +34,21 @@ func Capitalize(str string) string {
 	return strings.ToUpper(string(str[0])) + str[1:]
 }
 
-func ProcessString(str string, vars interface{}) string {
+func ProcessString(str string, vars interface{}) (string, error) {
 	tmpl, err := template.New("tmpl").Parse(str)
 
 	if err != nil {
-		fmt.Println(err.Error())
+		return "", err
 	}
 	return process(tmpl, vars)
 }
 
-func process(t *template.Template, vars interface{}) string {
+func process(t *template.Template, vars interface{}) (string, error) {
 	var tmplBytes bytes.Buffer
 
 	err := t.Execute(&tmplBytes, vars)
 	if err != nil {
-		fmt.Println(err.Error())
+		return "", err
 	}
-	return tmplBytes.String()
+	return tmplBytes.String(), nil
 }