api: fix default port to bind API service

Due to a wrong copy paste, the default port was 8777 which is already
used by Ceilemeter API service. Let's use the default Aodh: 8042.

Change-Id: I5b51f7337f4381035849d2f2032e1063b428540d

manifests/api.pp

@@ -36,7 +36,7 @@
 #
 # [*port*]
 #   (optional) The aodh api port.
-#   Defaults to 8777
+#   Defaults to 8042
 #
 # [*package_ensure*]
 #   (optional) ensure state for package.
@@ -61,7 +61,7 @@ class aodh::api (
   $keystone_auth_uri     = false,
   $keystone_identity_uri = false,
   $host                  = '0.0.0.0',
-  $port                  = '8777',
+  $port                  = '8042',
   $service_name          = $::aodh::params::api_service_name,
 ) inherits aodh::params {
 

spec/classes/aodh_api_spec.rb

@@ -14,7 +14,7 @@ describe 'aodh::api' do
       :keystone_tenant   => 'services',
       :keystone_user     => 'aodh',
       :package_ensure    => 'latest',
-      :port              => '8777',
+      :port              => '8042',
       :host              => '0.0.0.0',
     }
   end