Allow 'Build on the same node' in trigger-builds builder

In `trigger-builds` builder, create the
'<hudson.plugins.parameterizedtrigger.NodeParameters/>'
element if 'same-node' parameter is set to 'true'.

This adds the configurability of the 'Build on the same node'
parameter.

Change-Id: I3b6fa0a50b74932ad9837c7b88835b8b0c9c23ec

jenkins_jobs/modules/builders.py

@@ -273,6 +273,8 @@ def trigger_builds(parser, xml_parent, data):
       to the triggered job
     :arg bool block: whether to wait for the triggered jobs
       to finish or not (default false)
+    :arg bool same-node: Use the same node for the triggered builds that was
+      used for this build (optional)
 
     Example:
 
@@ -298,6 +300,10 @@ def trigger_builds(parser, xml_parent, data):
             XML.SubElement(tconfigs,
                            'hudson.plugins.parameterizedtrigger.'
                            'SubversionRevisionBuildParameters')
+        if(project_def.get('same-node')):
+            XML.SubElement(tconfigs,
+                           'hudson.plugins.parameterizedtrigger.'
+                           'NodeParameters')
         if 'property-file' in project_def:
             params = XML.SubElement(tconfigs,
                                     'hudson.plugins.parameterizedtrigger.'

tests/builders/fixtures/trigger-builds003.xml

@@ -0,0 +1,38 @@
+<?xml version="1.0" encoding="utf-8"?>
+<project>
+  <builders>
+    <hudson.plugins.parameterizedtrigger.TriggerBuilder>
+      <configs>
+        <hudson.plugins.parameterizedtrigger.BlockableBuildTriggerConfig>
+          <configs>
+            <hudson.plugins.parameterizedtrigger.NodeParameters/>
+            <hudson.plugins.parameterizedtrigger.PredefinedBuildParameters>
+              <properties>FOO=&quot;bar&quot;</properties>
+            </hudson.plugins.parameterizedtrigger.PredefinedBuildParameters>
+          </configs>
+          <projects>build_started</projects>
+          <condition>ALWAYS</condition>
+          <triggerWithNoParameters>false</triggerWithNoParameters>
+          <buildAllNodesWithLabel>false</buildAllNodesWithLabel>
+          <block>
+            <buildStepFailureThreshold>
+              <name>FAILURE</name>
+              <ordinal>2</ordinal>
+              <color>RED</color>
+            </buildStepFailureThreshold>
+            <unstableThreshold>
+              <name>UNSTABLE</name>
+              <ordinal>1</ordinal>
+              <color>YELLOW</color>
+            </unstableThreshold>
+            <failureThreshold>
+              <name>FAILURE</name>
+              <ordinal>2</ordinal>
+              <color>RED</color>
+            </failureThreshold>
+          </block>
+        </hudson.plugins.parameterizedtrigger.BlockableBuildTriggerConfig>
+      </configs>
+    </hudson.plugins.parameterizedtrigger.TriggerBuilder>
+  </builders>
+</project>

tests/builders/fixtures/trigger-builds003.yaml

@@ -0,0 +1,7 @@
+builders:
+  - trigger-builds:
+    - project: "build_started"
+      predefined-parameters:
+        FOO="bar"
+      block: true
+      same-node: true