Ensure keystone endpoint set before service starts

This patch ensures that in the case where keystone and
nova-api are on the same node, nova-api is not started
until the keystone catalog contains the compute service
and endpoint required to use nova.

Change-Id: Ia49874a01582802ba457c9117747aeff203590c3

manifests/keystone/auth.pp

@@ -20,6 +20,8 @@ class nova::keystone::auth(
     warning('cinder parameter is deprecated and has no effect.')
   }
 
+  Keystone_endpoint["${region}/${auth_name}"] ~> Service <| name == 'nova-api' |>
+
   keystone_user { $auth_name:
     ensure   => present,
     password => $password,

spec/classes/nova_keystone_endpoint_spec.rb

@@ -113,4 +113,23 @@ describe 'nova::keystone::auth' do
     it { should_not contain_keystone_endpoint('RegionOne/nova_ec2') }
   end
 
+  describe 'when configuring nova-api and the keystone endpoint' do
+    let :pre_condition do
+      "class { 'nova::api': admin_password => 'test' }
+      include nova"
+    end
+
+    let :facts do
+      { :osfamily => "Debian"}
+    end
+
+    let :params do
+      {
+        :password => 'test'
+      }
+    end
+
+    it { should contain_keystone_endpoint('RegionOne/nova').with_notify('Service[nova-api]') }
+  end
+
 end