Add single sidekiq process for new scheduler queue

site-cookbooks/kosmos-mastodon/recipes/default.rb

@@ -77,6 +77,18 @@ template "/lib/systemd/system/mastodon-sidekiq.service" do
   notifies :restart, "service[mastodon-sidekiq]", :delayed
 end
 
+# mastodon-sidekiq-scheduler service
+#
+template "/lib/systemd/system/mastodon-sidekiq-scheduler.service" do
+  source "mastodon-sidekiq-scheduler.systemd.service.erb"
+  variables user: mastodon_user,
+            app_dir: mastodon_path,
+            bundle_path: "/opt/ruby_build/builds/#{ruby_version}/bin/bundle",
+            sidekiq_threads: 1
+  notifies :run, "execute[systemctl daemon-reload]", :immediately
+  notifies :restart, "service[mastodon-sidekiq-scheduler]", :delayed
+end
+
 # mastodon-streaming service
 #
 template "/lib/systemd/system/mastodon-streaming.service" do
@@ -176,6 +188,10 @@ application mastodon_path do
     action [:enable, :start]
   end
 
+  service "mastodon-sidekiq-scheduler" do
+    action [:enable, :start]
+  end
+
   service "mastodon-streaming" do
     action [:enable, :start]
   end

site-cookbooks/kosmos-mastodon/templates/default/mastodon-sidekiq-scheduler.systemd.service.erb

@@ -0,0 +1,17 @@
+[Unit]
+Description=mastodon-sidekiq-scheduler
+Requires=redis-server.service
+After=redis-server.service
+
+[Service]
+Type=simple
+User=<%= @user %>
+WorkingDirectory=<%= @app_dir %>
+Environment="RAILS_ENV=production"
+Environment="LD_PRELOAD=/usr/lib/x86_64-linux-gnu/libjemalloc.so.1"
+ExecStart=<%= @bundle_path %> exec sidekiq -c <%= @sidekiq_threads %> -q scheduler
+TimeoutSec=15
+Restart=always
+
+[Install]
+WantedBy=multi-user.target