Have Zuul replicate to git.o.o

Change-Id: I750e8ea75181dacb10275a38fa702ed1edb56d4c

manifests/site.pp

@@ -458,7 +458,24 @@ node 'zuul.openstack.org' {
       'jenkins04.openstack.org',
       'jenkins-dev.openstack.org',
     ],
-  }
+    replication_targets  => [
+      {
+        name => 'git01',
+        url  => 'ssh://zuul@git01.openstack.org:/var/lib/git/zuul',
+      },
+      {
+        name => 'git02',
+        url  => 'ssh://zuul@git02.openstack.org:/var/lib/git/zuul',
+      },
+      {
+        name => 'git03',
+        url  => 'ssh://zuul@git03.openstack.org:/var/lib/git/zuul',
+      },
+      {
+        name => 'git04',
+        url  => 'ssh://zuul@git04.openstack.org:/var/lib/git/zuul',
+      },
+  ]
 }
 
 node 'zuul-dev.openstack.org' {

modules/openstack_project/manifests/zuul_prod.pp

@@ -9,7 +9,8 @@ class openstack_project::zuul_prod(
   $zuul_url = '',
   $sysadmins = [],
   $statsd_host = '',
-  $gearman_workers = []
+  $gearman_workers = [],
+  $replication_targets = []
 ) {
   # Turn a list of hostnames into a list of iptables rules
   $iptables_rules = regsubst ($gearman_workers, '^(.*)$', '-m state --state NEW -m tcp -p tcp --dport 4730 -s \1 -j ACCEPT')
@@ -32,6 +33,7 @@ class openstack_project::zuul_prod(
     job_name_in_report   => true,
     status_url           => 'http://status.openstack.org/zuul/',
     statsd_host          => $statsd_host,
+    replication_targets  => $replication_targets,
   }
 
   file { '/etc/zuul/layout.yaml':

modules/zuul/manifests/init.pp

@@ -32,7 +32,8 @@ class zuul (
   $push_change_refs = false,
   $job_name_in_report = false,
   $revision = 'master',
-  $statsd_host = ''
+  $statsd_host = '',
+  $replication_targets = []
 ) {
   include apache
   include pip

modules/zuul/templates/zuul.conf.erb

@@ -20,3 +20,9 @@ url_pattern=<%= url_pattern %>
 status_url=<%= status_url %>
 job_name_in_report=<%= job_name_in_report %>
 zuul_url=<%= zuul_url %>
+
+<% if replication_targets != [] -%>
+[replication]
+<% replication_targets.each do |target| -%>
+<%= target['name'] %>=<%= target['url'] %>
+<% end -%>