Configure Backports for Icinga2 in Buster

profile/manifests/monitoring.pp

@@ -2,5 +2,12 @@
 class profile::monitoring (
   Enum['agent', 'server'] $type = 'agent',
 ) {
+
+  # XXX Some monitoring packages are not present in Debian Buster repository.
+  #     This can be removed once nodes are upgraded to Bullseye.
+  include apt::backports
+  include profile::monitoring::packages
+
   class { "profile::monitoring::${type}": }
+
 }

profile/manifests/monitoring/agent.pp

@@ -5,8 +5,6 @@ class profile::monitoring::agent (
   String $ticket_salt = lookup('profile::monitoring::ticket_salt', String, 'first', 'changeme!'),
 ) {
 
-  include profile::monitoring::packages
-
   class { '::icinga2':
     features     => ['mainlog'],
     constants    => {

profile/manifests/monitoring/server.pp

@@ -12,8 +12,6 @@ class profile::monitoring::server (
   Boolean $tls = false,
 ) {
 
-  include profile::monitoring::packages
-
 # set up the database
 
   include ::mysql::server