Install Zuul on jenkins.

Change-Id: I732622576c318d82155cdd15c632a57070c2d850

manifests/site.pp

@@ -243,6 +243,15 @@ node "jenkins.openstack.org" {
       'swift',
     ]
   }
+  class { 'zuul': }
+  file { "/etc/zuul/layout.yaml":
+    ensure => 'present',
+    source => 'puppet:///modules/openstack-ci-config/zuul/layout.yaml'
+  }
+  file { "/etc/zuul/logging.conf":
+    ensure => 'present',
+    source => 'puppet:///modules/openstack-ci-config/zuul/logging.conf'
+  }
 }
 
 node "jenkins-dev.openstack.org" {

modules/openstack-ci-config/README

@@ -0,0 +1 @@
+This file stores config files specific to the OpenStack CI project.

modules/openstack-ci-config/files/zuul/layout.yaml

@@ -0,0 +1,35 @@
+queue:
+  - name: check
+    manager: IndependentQueueManager
+    trigger:
+      - event: patchset-uploaded
+    success:
+      verified: 1
+    failure:
+      verified: -1
+  - name: gate
+    manager: DependentQueueManager
+    trigger:
+      - event: comment-added
+        approval:
+          - approved: 1
+    success:
+      verified: 2
+      submit: true
+    failure:
+      verified: -2
+
+jobs:
+  - name: zuul-merge
+    failure-message: This change was unable to be automatically merged with the current state of the repository. Please rebase your change and upload a new patchset.
+
+projects:
+  - name: openstack-ci/zuul
+    check:
+      - gate-zuul-merge:
+        - gate-zuul-pep8
+        - gate-zuul-pyflakes
+    gate:
+      - gate-zuul-merge:
+        - gate-zuul-pep8
+        - gate-zuul-pyflakes

modules/openstack-ci-config/files/zuul/logging.conf

@@ -0,0 +1 @@
+#empty for now

modules/zuul/manifests/init.pp

@@ -0,0 +1,28 @@
+class zuul ()
+{
+  # if we already have the repo the pull updates
+
+  exec { "update_zuul":
+    command => "git pull --ff-only",
+    cwd => "/opt/zuul",
+    path => "/bin:/usr/bin",
+    onlyif => "test -d /opt/zuul",
+    before => Exec["get_zuul"],
+  }
+
+  # otherwise get a new clone of it
+
+  exec { "get_zuul":
+    command => "git clone https://github.com/openstack-ci/zuul /opt/zuul",
+    path => "/bin:/usr/bin",
+    onlyif => "test ! -d /opt/zuul"
+  }
+
+  exec { "install_zuul":
+    command => "python setup.py install",
+    cwd => "/opt/zuul",
+    path => "/bin:/usr/bin",
+    subscribe => [ Exec["get_zuul"], Exec["update_zuul"] ],
+  }
+
+}