Configure rspamd to accept logwatch's logs

Sometimes logwatch logs will contain URLs and domain names that trip
on abuse lists.    Use a custom filter to remove these checks.

roles/monitoring/handlers/main.yml

@@ -3,3 +3,6 @@
 
 - name: restart collectd
   service: name=collectd state=restarted
+
+- name: restart rspamd
+  service: name=rspamd state=restarted

roles/monitoring/tasks/logwatch.yml

@@ -9,6 +9,10 @@
 - name: Configure logwatch
   template: src=etc_logwatch_conf_logwatch.conf.j2 dest=/etc/logwatch/conf/logwatch.conf
 
+- name: Configure rspamd to let logs through
+  template: src=etc_rspamd_rspamd.conf.local.j2 dest=/etc/rspamd/rspamd.conf.local
+  notify: restart rspamd
+
 - name: Remove logwatch's dist cronjob
   file: state=absent path=/etc/cron.daily/00logwatch
 

roles/monitoring/templates/etc_rspamd_rspamd.conf.local.j2

@@ -0,0 +1,12 @@
+settings {
+  accept_logs {
+    id = "accept_logs";
+    priority = "high";
+    from = "root@{{ domain }}";
+    rcpt = "root@{{ domain }}";
+    apply {
+      groups_disabled = ["surbl"];
+      symbols_disabled = ["R_SUSPICIOUS_URL"];
+    }
+  }
+}