Dynflow Sidekiq service file can be managed via puppet

manifests/dynflow/worker.pp

@@ -20,13 +20,13 @@
 #
 # @api private
 define foreman::dynflow::worker (
-  Enum['present', 'absent'] $ensure = 'present',
-  String $service_name = $name,
-  Integer[1] $concurrency = 1,
-  Array[Variant[String[1], Tuple[String, Integer[0]]]] $queues = [],
-  String[1] $config_owner = 'root',
-  Optional[String[1]] $config_group = undef,
-  Stdlib::Filemode $config_mode = '0644',
+  Enum['present', 'absent']                            $ensure       = 'present',
+  String                                               $service_name = $name,
+  Integer[1]                                           $concurrency  = 1,
+  Array[Variant[String[1], Tuple[String, Integer[0]]]] $queues       = [],
+  String[1]                                            $config_owner = 'root',
+  Optional[String[1]]                                  $config_group = undef,
+  Stdlib::Filemode                                     $config_mode  = '0644',
 ) {
   $filename = "/etc/foreman/dynflow/${service_name}.yml"
   $service = "dynflow-sidekiq@${service_name}"
@@ -39,6 +39,15 @@
       'queues'      => $queues,
     }
 
+    systemd::dropin_file { "${service}-service":
+      filename       => 'dependencies.conf',
+      unit           => "${service}.service",
+      content        => epp("${module_name}/dynflow-sidekiq-overrides.conf.epp", {
+          redis_host => $foreman::dynflow_redis_url,
+      }),
+      notify_service => true,
+    }
+
     file { $filename:
       ensure  => file,
       owner   => $config_owner,

spec/classes/foreman_spec.rb

@@ -472,6 +472,28 @@
         end
       end
 
+      describe 'with custom redis for dynflow' do
+        context 'with redis_url for dynflow' do
+          let(:params) do
+            super().merge(
+              dynflow_redis_url: 'redis://127.0.0.1:6379/7',
+              rails_cache_store: {type: 'file'}
+            )
+          end
+
+          it { should_not contain_class('redis') }
+          it { should_not contain_class('redis::instance') }
+          it do
+            is_expected.to contain_file('/etc/systemd/system/[email protected]/dependencies.conf')
+              .with_content(/^.*redis:\/\/127\.0\.0\.1:6379\/7.*$/)
+          end
+          it do
+            is_expected.to contain_file('/etc/systemd/system/[email protected]/dependencies.conf')
+              .with_content(/^.*redis:\/\/127\.0\.0\.1:6379\/7.*$/)
+          end
+        end
+      end
+
       describe 'with non-Puppet SSL certificates' do
         let(:params) do
           super().merge(

templates/dynflow-sidekiq-overrides.conf.epp

@@ -0,0 +1,15 @@
+<%- |
+Optional[Redis::RedisUrl]	$redis_host,
+| -%>
+
+# This file is managed by Puppet
+
+[Service]
+User=<%= $foreman::user %>
+Environment=RAILS_ENV=<%= $foreman::rails_env %>
+<% if $redis_host { -%>
+Environment=DYNFLOW_REDIS_URL=<%= $redis_host %>
+<% } -%>
+<% else { -%>
+Environment=DYNFLOW_REDIS_URL=redis://localhost:6379/6
+<% } -%>