adding mail status notifications to taskotron buildmaster

roles/taskotron/buildmaster-configure/templates/taskotron.master.cfg.j2

@@ -212,16 +212,79 @@ c['status'].append(html.WebStatus(http_port=8080, authz=authz_cfg,
                                     change_hook_dialects={'base':True}))
 c['status'].append(html.WebStatus(http_port=8010, authz=authz_cfg))
 
-#from buildbot.status.mail import MailNotifier
-#
-#mn = MailNotifier(fromaddr="yagisama@gmail.com",
-#                  sendToInterestedUsers=False,
-#                  extraRecipients=["goat@tirfa.com"],
-#                  useTls=True, relayhost="smtp.gmail.com", smtpPort=587,
-#                  smtpUser="yagisama", smtpPassword="Somehw3r",
-#                  mode='all')
-#
-#c['status'].append(mn)
+from buildbot.status.mail import MailNotifier
+from buildbot.status.builder import Results
+
+import cgi
+
+# http://docs.buildbot.net/current/manual/cfg-statustargets.html#mailnotifier
+def html_message_formatter(mode, name, build, results, master_status):
+    """Provide a customized message to Buildbot's MailNotifier.
+
+    The last 80 lines of the log are provided as well as the changes
+    relevant to the build.  Message content is formatted as html.
+    """
+    result = Results[results]
+
+    limit_lines = 80
+    text = list()
+    text.append(u'<h4>Build status: %s</h4>' % result.upper())
+    text.append(u'<table cellspacing="10"><tr>')
+    text.append(u"<td>Buildslave for this Build:</td><td><b>%s</b></td></tr>" % build.getSlavename())
+    if master_status.getURLForThing(build):
+        text.append(u'<tr><td>Complete logs for all build steps:</td><td><a href="%s">%s</a></td></tr>'
+                    % (master_status.getURLForThing(build),
+                       master_status.getURLForThing(build))
+                    )
+        text.append(u'<tr><td>Build Reason:</td><td>%s</td></tr>' % build.getReason())
+        text.append(u'</table>')
+        text.append(u'<br>')
+
+        logs = []
+        steps = build.getSteps()
+        for step in steps:
+            if step.getName() == 'runtask':
+                logs = step.getLogs()
+                break
+
+        # logs within a step are in reverse order. Search back until we find stdio
+        for log in reversed(logs):
+            if log.getName() == 'stdio':
+                break
+
+        name = "%s.%s" % (log.getStep().getName(), log.getName())
+        content = log.getText().splitlines() # Note: can be VERY LARGE
+        url = u'%s/steps/%s/logs/%s' % (master_status.getURLForThing(build),
+                                       log.getStep().getName(),
+                                       log.getName())
+
+        text.append(u'<i>Detailed log of last build step:</i> <a href="%s">%s</a>'
+                    % (url, url))
+        text.append(u'<br>')
+        text.append(u'<h4>Last %d lines of "%s"</h4>' % (limit_lines, name))
+        unilist = list()
+        for line in content[len(content)-limit_lines:]:
+            unilist.append(cgi.escape(unicode(line,'utf-8')))
+        text.append(u'<pre>')
+        text.extend(unilist)
+        text.append(u'</pre>')
+        text.append(u'<br><br>')
+        text.append(u'<b>-The Buildbot</b>')
+        return {
+            'body': u"\n".join(text),
+            'type': 'html'
+            }
+
+
+mn = MailNotifier(fromaddr='taskotron@fedoraproject.org',
+                  sendToInterestedUsers=False,
+                  mode=('failing', 'exception', 'warning'),
+                  extraRecipients=['qa-taskotron-admin-members@fedoraproject.org'],
+                  relayhost="bastion.phx2.fedoraproject.org",
+                  messageFormatter=html_message_formatter)
+
+c['status'].append(mn)
+
 
 ####### PROJECT IDENTITY