From ad71cacb821aaabf1f5bf0098790b6b13bf9bf2a Mon Sep 17 00:00:00 2001
From: Michael Kaye <1917473+michaelkaye@users.noreply.github.com>
Date: Thu, 22 Nov 2018 18:47:31 +0000
Subject: [PATCH] Log failed template parsing reasons to console.

When using the API, you can fail to parse but be unaware of why.

Provide that context on the console.
---
 .../go-neb/services/alertmanager/alertmanager.go          | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/github.com/matrix-org/go-neb/services/alertmanager/alertmanager.go b/src/github.com/matrix-org/go-neb/services/alertmanager/alertmanager.go
index dde808f..d492fc0 100644
--- a/src/github.com/matrix-org/go-neb/services/alertmanager/alertmanager.go
+++ b/src/github.com/matrix-org/go-neb/services/alertmanager/alertmanager.go
@@ -129,6 +129,10 @@ func (s *Service) Register(oldService types.Service, client *gomatrix.Client) er
 			// validate the plain text template is valid
 			_, err := text.New("textTemplate").Parse(templates.TextTemplate)
 			if err != nil {
+				log.WithFields(log.Fields{
+					"line":        err.line,
+					"description": err.description,
+				}).Info("plain text Template Error")
 				return fmt.Errorf("plain text template is invalid")
 			}
 		}
@@ -136,6 +140,10 @@ func (s *Service) Register(oldService types.Service, client *gomatrix.Client) er
 			// validate that the html template is valid
 			_, err := html.New("htmlTemplate").Parse(templates.HTMLTemplate)
 			if err != nil {
+				log.WithFields(log.Fields{
+					"line":        err.line,
+					"description": err.description,
+				}).Info("HTML Template Error")
 				return fmt.Errorf("html template is invalid")
 			}
 		}