Fix dispatcher params

Currently we join the params and pass in a string to the dispatcher
settings. This wont work as ceilometer config expects separate
lines for each value.

Change-Id: I3813f0918c8394ef14959be7580bf026314ba82e

manifests/collector.pp

@@ -94,8 +94,8 @@ class ceilometer::collector (
     'collector/udp_address':     value => $udp_address;
     'collector/udp_port':        value => $udp_port;
     'collector/workers':         value => $collector_workers;
-    'DEFAULT/meter_dispatchers': value => join(any2array($meter_dispatchers_real), ',');
-    'DEFAULT/event_dispatchers': value => join(any2array($event_dispatchers_real), ',');
+    'DEFAULT/meter_dispatchers': value => any2array($meter_dispatchers_real);
+    'DEFAULT/event_dispatchers': value => any2array($event_dispatchers_real);
   }
 
   ensure_resource( 'package', [$::ceilometer::params::collector_package_name],

releasenotes/notes/fix-dispatcher-params-fe916b43ffa5aeab.yaml

@@ -0,0 +1,4 @@
+---
+fixes:
+  - Fix dispatcher params to not convert the array into string. This way
+    its compatible with service defaults.

spec/classes/ceilometer_collector_spec.rb

@@ -52,8 +52,8 @@ describe 'ceilometer::collector' do
         is_expected.to contain_ceilometer_config('collector/udp_address').with_value( '0.0.0.0' )
         is_expected.to contain_ceilometer_config('collector/udp_port').with_value( '4952' )
         is_expected.to contain_ceilometer_config('collector/workers').with_value('<SERVICE DEFAULT>')
-        is_expected.to contain_ceilometer_config('DEFAULT/meter_dispatchers').with_value( '<SERVICE DEFAULT>' )
-        is_expected.to contain_ceilometer_config('DEFAULT/event_dispatchers').with_value( '<SERVICE DEFAULT>' )
+        is_expected.to contain_ceilometer_config('DEFAULT/meter_dispatchers').with_value( ['<SERVICE DEFAULT>'] )
+        is_expected.to contain_ceilometer_config('DEFAULT/event_dispatchers').with_value( ['<SERVICE DEFAULT>'] )
       end
 
       it 'installs ceilometer-collector package' do