Release v0.3.0 (#43)

* Use log.Error instead of log.Fatal for json parsing errors

* Added icinga2 module

* Fix Hackint Webchat markdown in the README

* Fix typo in log message

* Added RWMutex to track connection state of IRC client

* fixup! Fix Hackint Webchat markdown in the README

* prometheus: Better way to determine alert name

First it checks if the alert has an instance label. If not it falls back
to the alert name.
This fixes #26

README.md

@@ -9,7 +9,7 @@ different IRC channels according to the configuration.
 Take a look at the [input](https://github.com/fleaz/CptHook/tree/master/input) folder to find out which services are
 already supported by CptHook.
 
-**If you have questions or problems visit #CptHook on HackInt -> [WebChat](*https://webirc.hackint.org/#irc://irc.hackint.org/#CptHook)**
+**If you have questions or problems visit #CptHook on HackInt** -> [WebChat](https://webirc.hackint.org/#irc://irc.hackint.org/#CptHook)
 
 ## Installation
 
@@ -86,3 +86,20 @@ This dictionary maps full project paths (groupname/projectname) to IRC-channels.
 Receives arbitrary messages as text via a HTTP `POST` request and forwards this message line by line to a channel.
 The channel can be specified by the `channel` query parameter, otherwise the `default_channel` from the config will
 be used.
+
+### Icinga2
+Receives webhooks from Icinga2. Add [icinga2-notifications-webhook] to your icinga2 installation to send the
+required webhooks.
+
+When a webhook is received this module will first check if there is an explicit
+mapping in the configuration especially for this host. If yes, this channel will be used. If not, the module will
+look if there exists for the hostgroup. If yes, this channel will be used. If not, the `default` channel will be used.
+
+**Module specific configuration**
+```
+- hostgroups
+This dictionary maps Icinga2 hostgroups to IRC-channels.
+- explicit
+This dictionary maps hostnames to IRC-channels.
+```
+[icinga2-notifications-webhook]: https://git.s7t.de/ManiacTwister/icinga2-notifications-webhook

cpthook.yml.example

@@ -36,4 +36,13 @@ modules:
     simple:
         enabled: True
         default_channel: "#defaultChannel"
+    icinga2:
+      enabled: True
+      default: "#monitoring"
+      hostgroups:
+          "webservers":
+              - "#monitoring-web"
+      explicit:
+          "host.example.tld":
+              - "#monitoring-example"
 

input/gitlab.go

@@ -271,7 +271,7 @@ func (m GitlabModule) GetHandler() http.HandlerFunc {
 			log.Printf("Got a Hook for a Pipeline Event")
 			var pipelineEvent PipelineEvent
 			if err := decoder.Decode(&pipelineEvent); err != nil {
-				log.Fatal(err)
+				log.Error(err)
 				return
 			}
 
@@ -303,7 +303,7 @@ func (m GitlabModule) GetHandler() http.HandlerFunc {
 			log.Printf("Got a Hook for a Job Event")
 			var jobEvent JobEvent
 			if err := decoder.Decode(&jobEvent); err != nil {
-				log.Fatal(err)
+				log.Error(err)
 				return
 			}
 
@@ -328,7 +328,7 @@ func (m GitlabModule) GetHandler() http.HandlerFunc {
 			log.Printf("Got Hook for a Merge Request")
 			var mergeEvent MergeEvent
 			if err := decoder.Decode(&mergeEvent); err != nil {
-				log.Fatal(err)
+				log.Error(err)
 				return
 			}
 
@@ -342,7 +342,7 @@ func (m GitlabModule) GetHandler() http.HandlerFunc {
 			log.Printf("Got Hook for an Issue")
 			var issueEvent IssueEvent
 			if err := decoder.Decode(&issueEvent); err != nil {
-				log.Fatal(err)
+				log.Error(err)
 				return
 			}
 
@@ -356,7 +356,7 @@ func (m GitlabModule) GetHandler() http.HandlerFunc {
 			log.Printf("Got Hook for a Push Event")
 			var pushEvent PushEvent
 			if err := decoder.Decode(&pushEvent); err != nil {
-				log.Println(err)
+				log.Error(err)
 				return
 			}