Add GitPython to zuul.

Also, set up the git directory.

Change-Id: Ia753c00df0665b3e8dec18083f113a900b168216
Reviewed-on: https://review.openstack.org/11446
Reviewed-by: Clark Boylan <clark.boylan@gmail.com>
Approved: James E. Blair <corvus@inaugust.com>
Tested-by: Jenkins

modules/zuul/manifests/init.pp

@@ -13,6 +13,15 @@ class zuul (
     ensure => "present",
   }
 
+  # Packages that need to be installed from pip
+  $pip_packages = ["GitPython"]
+
+  package { $pip_packages:
+    ensure => latest,  # we want the latest from these
+    provider => pip,
+    require => Class[pip]
+  }
+
   vcsrepo { "/opt/zuul":
     ensure => latest,
     provider => git,
@@ -57,6 +66,11 @@ class zuul (
     owner => 'jenkins'
   }
 
+  file { "/var/lib/zuul/git":
+    ensure => "directory",
+    owner => 'jenkins'
+  }
+
   file { "/etc/init.d/zuul/":
     owner => 'root',
     group => 'root',

modules/zuul/templates/zuul.conf.erb

@@ -12,3 +12,4 @@ sshkey=/var/lib/jenkins/.ssh/id_rsa
 layout_config=/etc/zuul/layout.yaml
 log_config=/etc/zuul/logging.conf
 state_dir=/var/lib/zuul
+git_dir=/var/lib/zuul/git