Dynflow Sidekiq service file can be managed via puppet

manifests/config.pp

@@ -7,6 +7,7 @@
   }
 
   if $foreman::dynflow_manage_services {
+    $dynflow_service_filename = '/usr/lib/systemd/system/[email protected]'
     if $foreman::dynflow_redis_url != undef {
       $dynflow_redis_url = $foreman::dynflow_redis_url
     } else {
@@ -15,6 +16,16 @@
       Class['redis'] -> Service <| tag == 'foreman::dynflow::worker' |>
     }
 
+    file { $dynflow_service_filename:
+      ensure  => file,
+      mode    => '0644',
+      owner   => root,
+      group   => root,
+      content => epp("${module_name}/[email protected]", {
+          redis_host => $foreman::dynflow_redis_url,
+      }),
+    }
+
     file { '/etc/foreman/dynflow':
       ensure => directory,
     }

spec/classes/foreman_spec.rb

@@ -472,6 +472,24 @@
         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('/usr/lib/systemd/system/[email protected]')
+              .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@.service.epp

@@ -0,0 +1,41 @@
+<%- |
+Optional[Redis::RedisUrl]	$redis_host,
+| -%>
+
+# This file is managed by Puppet
+
+[Unit]
+Description=Foreman jobs daemon - %i on sidekiq
+Documentation=https://theforeman.org
+After=network.target remote-fs.target nss-lookup.target
+PartOf=foreman.service
+
+[Service]
+Type=notify
+User=foreman
+TimeoutSec=300
+PrivateTmp=true
+Environment=RAILS_ENV=production
+Environment=DYNFLOW_SIDEKIQ_SCRIPT=/usr/share/foreman/extras/dynflow-sidekiq.rb
+<% if $redis_host { -%>
+Environment=DYNFLOW_REDIS_URL=<%= $redis_host %>
+<% } -%>
+<% else { -%>
+Environment=DYNFLOW_REDIS_URL=redis://localhost:6379/6
+<% } -%>
+Environment=REDIS_PROVIDER=DYNFLOW_REDIS_URL
+# Greatly reduce Ruby memory fragmentation and heap usage
+# https://www.mikeperham.com/2018/04/25/taming-rails-memory-bloat/
+Environment=MALLOC_ARENA_MAX=2
+WorkingDirectory=/usr/share/foreman
+ExecStart=/usr/libexec/foreman/sidekiq-selinux -e ${RAILS_ENV} -r ${DYNFLOW_SIDEKIQ_SCRIPT} -C /etc/foreman/dynflow/%i.yml
+ExecReload=/usr/bin/kill -TSTP $MAINPID
+
+SyslogIdentifier=dynflow-sidekiq@%i
+
+# if we crash, restart
+RestartSec=1
+Restart=on-failure
+
+[Install]
+WantedBy=multi-user.target