add max size to nginx logrotate config

additionally run logrotate hourly to ensure minimal buildup

hieradata/hosts/cp36.yaml

@@ -6,3 +6,4 @@ nginx::worker_processes: 6
 
 base::syslog::rsyslog_udp_localhost: true
 nginx::logrotate_number: 2
+nginx::logrotate_maxsize: '10G'

hieradata/hosts/cp37.yaml

@@ -8,3 +8,4 @@ nginx::use_varnish_directly: false
 
 base::syslog::rsyslog_udp_localhost: true
 nginx::logrotate_number: 2
+nginx::logrotate_maxsize: '40G'

modules/nginx/manifests/init.pp

@@ -4,6 +4,7 @@
     Boolean                  $use_graylog                             = lookup('nginx::use_graylog', {'default_value' => false}),
     Boolean                  $remove_apache                           = lookup('nginx::remove_apache', {'default_value' => true}),
     Integer                  $logrotate_number                        = lookup('nginx::logrotate_number', {'default_value' => 12}),
+    String                   $logrotate_maxsize                       = lookup('nginx::logrotate_maxsize', {'default_value' => '5G'}),
     Integer                  $keepalive_timeout                       = lookup('nginx::keepalive_timeout', {'default_value' => 60}),
     Integer                  $keepalive_requests                      = lookup('nginx::keepalive_requests', {'default_value' => 1000}),
     String                   $nginx_client_max_body_size              = lookup('nginx::client_max_body_size', {'default_value' => '250M'}),
@@ -89,6 +90,10 @@
         ],
     }
 
+    class { 'logrotate':
+        hourly => true,
+    }
+
     logrotate::conf { 'nginx':
         ensure  => present,
         content => template('nginx/logrotate.erb'),

modules/nginx/templates/logrotate.erb

@@ -1,6 +1,7 @@
 /var/log/nginx/*.log {
         daily
         missingok
+        maxsize <%= @logrotate_maxsize %>
         rotate <%= @logrotate_number %>
         compress
         notifempty