Add Gerrit tracking id for storyboard

This change will allow users to query Gerrit for a Storyboard story
using search string 'tr:<tracking id>' or 'story:<tracking id>'. For example
you can do a query in gerrit for 'story:2000070'.

feature reference:
https://gerrit-review.googlesource.com/Documentation/config-gerrit.html#trackingid

Change-Id: Ie6c70bd02e40a6ac3a70c9fa5a0efe33a3e8e7cb

modules/gerrit/manifests/init.pp

@@ -40,6 +40,8 @@
 #     Gerrit configuration options; see Gerrit docs.
 #   commentlinks:
 #     A list of regexes Gerrit should hyperlink.
+#   trackingids:
+#     A list of regexes to reference external tracking systems.
 #   war:
 #     The URL of the Gerrit WAR that should be downloaded and installed.
 #     Note that only the final component is used for comparing to the most
@@ -136,6 +138,7 @@ class gerrit(
   $httpd_maxthreads = '',
   $httpd_maxwait = '',
   $commentlinks = [],
+  $trackingids = [],
   $contactstore = false,
   $contactstore_appsec = '',
   $contactstore_pubkey = '',
@@ -293,6 +296,7 @@ class gerrit(
   # - $httpd_minthreads
   # - $httpd_maxthreads
   # - $commentlinks
+  # - $trackingids
   # - $enable_melody
   # - $melody_session
   # - $gitweb

modules/gerrit/templates/gerrit.config.erb

@@ -89,6 +89,12 @@
 	html = "<%= commentlink['html'] %>"
 <% end -%>
 <% end -%>
+<% @trackingids.each do |trackingid| -%>
+[trackingid "<%= trackingid['name'] %>"]
+	match = "<%= trackingid['match'] %>"
+	footer = "<%= trackingid['footer'] %>"
+	system = "<%= trackingid['system'] %>"
+<% end -%>
 [theme]
 	backgroundColor = ffffff
 	topMenuColor = ffffff

modules/openstack_project/manifests/gerrit.pp

@@ -177,6 +177,14 @@ class openstack_project::gerrit (
         html  => '$1<a href=\"#q,$2,n,z\">$2</a>$3',
       },
     ],
+    trackingids                         => [
+      {
+        name   => 'storyboard',
+        footer => 'story:',
+        match  => '\\#?(\\d+)',
+        system => 'Storyboard',
+      },
+    ],
     war                                 => $war,
     contactstore                        => $contactstore,
     contactstore_appsec                 => $contactstore_appsec,