Deploy `supervisord` config for `alertmanager`.

cookbooks/prometheus/alertmanager_setup.rb

@@ -27,6 +27,15 @@ end
   end
 end
 
+# Deploy `supervisord` config:
+remote_file '/etc/supervisor/conf.d/alertmanager.conf' do
+  owner  'root'
+  group  'root'
+  mode   '644'
+
+  notifies :restart, 'service[supervisor]'
+end
+
 # Restart the `supervisor`:
 service 'supervisor' do
   action :nothing

cookbooks/prometheus/files/etc/supervisor/conf.d/alertmanager.conf

@@ -0,0 +1,8 @@
+[program:alertmanager]
+command=/usr/local/bin/alertmanager --config.file /etc/prometheus.d/alertmanager.yml
+stdout_logfile=/var/log/supervisor/alertmanager.log
+redirect_stderr=true
+stdout_logfile_maxbytes=1MB
+stdout_logfile_backups=5
+autorestart=true
+stopsignal=HUP