Rotate Jenkisn log client logs.

* modules/openstack_project/manifests/logstash.pp: Rotate jenkins log
client logs with logrotate. Keep one week of logs and rotate daily.

Change-Id: I9b6a320afda76cc7285c959196a24853a5a9561e

modules/openstack_project/manifests/logstash.pp

@@ -95,4 +95,18 @@ class openstack_project::logstash (
     subscribe  => File['/etc/logstash/jenkins-log-client.yaml'],
     require    => File['/etc/init.d/jenkins-log-client'],
   }
+
+  include logrotate
+  logrotate::file { 'log-client-debug.log':
+    log     => '/var/log/logstash/log-client-debug.log',
+    options => [
+      'compress',
+      'copytruncate',
+      'missingok',
+      'rotate 7',
+      'daily',
+      'notifempty',
+    ],
+    require => Service['jenkins-log-client'],
+  }
 }