Deploy `rsyslog` config for `alert manager`.

cookbooks/prometheus/alertmanager_webhook_setup.rb

@@ -11,3 +11,15 @@ service 'webhook' do
   action [:enable, :start]
 end
 
+# Deploy `rsyslog` config for `Alert Manager Webhook Logger`:
+remote_file '/etc/rsyslog.d/30-webhook.conf' do
+  owner 'root'
+  group 'root'
+  mode  '0644'
+
+  notifies :restart, 'service[rsyslog]'
+end
+
+service 'rsyslog' do
+  action :nothing
+end

cookbooks/prometheus/files/etc/rsyslog.d/30-webhook.conf

@@ -0,0 +1,7 @@
+# Log kernel generated digdag log messages to file
+:syslogtag,contains,"webhook" /var/log/alertmanager-webhook-logger.log
+
+# Uncomment the following to stop logging anything that matches the last rule.
+# Doing this will stop logging kernel generated UFW log messages to the file
+# normally containing kern.* messages (eg, /var/log/kern.log)
+& stop