Add support for Gatling plugin

This plugin integrates gatling, an open source strees tool,
with Jenkins and allows you to:
* Keep track of a Gatling simulation, providing performance trends across
builds
* Publish detailed reports for each build

Change-Id: Id58337012cd867cc019515e58c86a33d806fbd2a

jenkins_jobs/modules/publishers.py

@@ -4283,6 +4283,22 @@ def display_upstream_changes(parser, xml_parent, data):
         'DisplayUpstreamChangesRecorder')
 
 
+def gatling(parser, xml_parent, data):
+    """yaml: gatling
+    Publish gatling results as a trend graph
+    Requires the Jenkins :jenkins-wiki:`Gatling Plugin <Gatling+Plugin>`.
+
+    Example:
+
+    .. literalinclude:: /../../tests/publishers/fixtures/gatling001.yaml
+       :language: yaml
+    """
+    gatling = XML.SubElement(
+        xml_parent,
+        'io.gatling.jenkins.GatlingPublisher')
+    XML.SubElement(gatling, 'enabled').text = 'true'
+
+
 class Publishers(jenkins_jobs.modules.base.Base):
     sequence = 70
 

setup.cfg

@@ -156,6 +156,7 @@ jenkins_jobs.publishers =
     fingerprint=jenkins_jobs.modules.publishers:fingerprint
     fitnesse=jenkins_jobs.modules.publishers:fitnesse
     ftp=jenkins_jobs.modules.publishers:ftp
+    gatling=jenkins_jobs.modules.publishers:gatling
     git=jenkins_jobs.modules.publishers:git
     github-notifier=jenkins_jobs.modules.publishers:github_notifier
     groovy-postbuild=jenkins_jobs.modules.publishers:groovy_postbuild

tests/publishers/fixtures/gatling001.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<project>
+  <publishers>
+    <io.gatling.jenkins.GatlingPublisher>
+      <enabled>true</enabled>
+    </io.gatling.jenkins.GatlingPublisher>
+  </publishers>
+</project>

tests/publishers/fixtures/gatling001.yaml

@@ -0,0 +1,2 @@
+publishers:
+  - gatling