Add support for [DEFAULT] image_download_concurrency

Change-Id: I969e7e9d07c097d8c48015a2c4e116ce1d1daac2

manifests/conductor.pp

@@ -198,6 +198,11 @@
 #   after the next heartbeat.
 #   Defaults to $::os_service_default
 #
+# [*image_download_concurrency*]
+#   (optional) How many image downloads and raw format conversion to run in
+#   parallel.
+#   Defaults to $::os_service_default
+#
 # DEPRECATED PARAMETERS
 #
 # [*api_url*]
@@ -250,6 +255,7 @@ class ironic::conductor (
   $rescue_kernel                       = $::os_service_default,
   $rescue_ramdisk                      = $::os_service_default,
   $allow_provisioning_in_maintenance   = $::os_service_default,
+  $image_download_concurrency          = $::os_service_default,
   # DEPRECATED PARAMETERS
   $api_url                             = undef,
   $configdrive_use_swift               = undef,
@@ -358,6 +364,7 @@ Use inspect_wait_timeout instead')
     'conductor/rescue_kernel':                     value => $rescue_kernel;
     'conductor/rescue_ramdisk':                    value => $rescue_ramdisk;
     'conductor/allow_provisioning_in_maintenance': value => $allow_provisioning_in_maintenance;
+    'DEFAULT/image_download_concurrency':          value => $image_download_concurrency;
   }
 
   if $cleaning_network_name {

releasenotes/notes/image_download_concurrency-6dddf8f3f0d84479.yaml

@@ -0,0 +1,5 @@
+---
+features:
+  - |
+    The new ``image_download_concurrency`` parameter has been added
+    to the ``ironic::conductor`` class.

spec/classes/ironic_conductor_spec.rb

@@ -83,6 +83,7 @@ describe 'ironic::conductor' do
       is_expected.to contain_ironic_config('conductor/power_state_sync_max_retries').with(:value => '<SERVICE DEFAULT>')
       is_expected.to contain_ironic_config('conductor/power_failure_recovery_interval').with(:value => '<SERVICE DEFAULT>')
       is_expected.to contain_ironic_config('conductor/conductor_group').with(:value => '<SERVICE DEFAULT>')
+      is_expected.to contain_ironic_config('DEFAULT/image_download_concurrency').with(:value => '<SERVICE DEFAULT>')
     end
 
     context 'when overriding parameters' do
@@ -117,6 +118,7 @@ describe 'ironic::conductor' do
           :rescue_kernel                     => 'http://host/rescue.kernel',
           :rescue_ramdisk                    => 'http://host/rescue.ramdisk',
           :allow_provisioning_in_maintenance => false,
+          :image_download_concurrency        => 20,
         )
       end
       it 'should replace default parameter with new value' do
@@ -150,6 +152,7 @@ describe 'ironic::conductor' do
         is_expected.to contain_ironic_config('conductor/rescue_kernel').with_value(p[:rescue_kernel])
         is_expected.to contain_ironic_config('conductor/rescue_ramdisk').with_value(p[:rescue_ramdisk])
         is_expected.to contain_ironic_config('conductor/allow_provisioning_in_maintenance').with_value(p[:allow_provisioning_in_maintenance])
+        is_expected.to contain_ironic_config('DEFAULT/image_download_concurrency').with_value(p[:image_download_concurrency])
       end
     end