Logrotate not restarting rsyslog

logrotate is not sending HUP signal to rsyslog because of invalid
command in postrotate/endscript block. Fixed the command to reload
the rsyslog after the logs are rotated.

Change-Id: Ia1fa205e6f20c212841109c914a8c7e2d379a48b

templates/logrotate.j2

@@ -10,7 +10,7 @@
 {% if rsyslog_client_log_rotate_scripts | length > 0 %}
 {% for script in rsyslog_client_log_rotate_scripts %}
         {{ script.name }}
-            {{ script.content }}
+            {{ script.content | default(rsyslog_client_reload) }}
         endscript
 {% endfor %}
 {% endif %}

vars/debian.yml

@@ -20,3 +20,5 @@
 rsyslog_client_distro_packages:
   - rsyslog
   - logrotate
+
+rsyslog_client_reload: 'invoke-rc.d rsyslog rotate > /dev/null || true'

vars/redhat-7.yml

@@ -16,3 +16,5 @@
 rsyslog_client_distro_packages:
   - rsyslog
   - logrotate
+
+rsyslog_client_reload: '/bin/kill -HUP `cat /var/run/syslogd.pid 2> /dev/null` 2> /dev/null || true'