feat: add exportarr (#365)

- add exporters::exportarr
- deploy for radarr, sonarr and prowlarr

Reviewed-on: #365

modules/exporters/templates/exportarr.service.erb

@@ -0,0 +1,16 @@
+[Unit]
+Description=Prometheus exportarr
+Wants=network-online.target
+After=network-online.target
+
+[Service]
+User=<%= @user %>
+Group=<%= @group %>
+EnvironmentFile=<%= @vars_file %>
+ExecStart=<%= @exec_path %> <%= @app %> --port <%= @port %> --url <%= @url %> --api-key <%= @api_key %> --config <%= @config_file %> --enable-additional-metrics <%= @extra_metrics %><% if @app == 'prowlarr' %> --backfill <%= @backfill %><% end %>
+ExecReload=/bin/kill -HUP $MAINPID
+KillMode=process
+Restart=always
+
+[Install]
+WantedBy=multi-user.target

modules/exporters/templates/sysconfig.erb

@@ -0,0 +1,4 @@
+# THIS FILE IS MANAGED BY PUPPET
+<% @options.each do |key, value| -%>
+<%= key %>=<%= value %>
+<% end -%>