Wrap openstack::repo, and add a "kickstack_release" variable

Make sure we can set the desired OpenStack release.

manifests/init.pp

@@ -19,6 +19,7 @@ class kickstack (
   $fact_prefix   = $kickstack::params::fact_prefix,
   $fact_filename = $kickstack::params::fact_filename,
   $fact_category = $kickstack::params::fact_category,
+  $release = $kickstack::params::release,
   $package_ensure = $kickstack::params::package_ensure,
   $name_resolution = $kickstack::params::name_resolution,
   $verbose       = $kickstack::params::verbose,
@@ -62,7 +63,7 @@ class kickstack (
 ) inherits kickstack::params {
 
   include ::exportfact
-  include openstack::repo
+  include kickstack::repo
   include kickstack::nameresolution
 
   ::exportfact::import { $fact_category: }

manifests/params.pp

@@ -21,6 +21,14 @@ class kickstack::params {
   $package_ensure = pick(getvar("::${variable_prefix}package_ensure"),
                          'installed')
 
+  # The OpenStack release to install
+  # * default 'grizzly'
+  # * override by setting to 'folsom' (not recommended) or 'havana'
+  # This is for new installations only; don't expect this to magically
+  # support rolling releases.
+  $release = pick(getvar("::${variable_prefix}release"),
+                         'grizzly')
+
   # The strategy to use so machines can make their hostnames known to
   # each other.
   # * default "hosts" -- manage /etc/hosts

manifests/repo.pp

@@ -0,0 +1,5 @@
+class kickstack::repo inherits kickstack {
+  class { '::openstack::repo':
+    release => $::kickstack::release
+  }
+}