Description of problem:

keystone logs reach few Gb in long time 

Version-Release number of selected component (if applicable):
openstack-keystone-10.0.0-3.el7ost.noarch

How reproducible:
100%

Steps to Reproduce:
1. while true; do echo "hello world "; done >> /var/log/keystone/keystone.log
2. 
3.

Actual results:
the log does not rotate 

Expected results:

rotate keystone logs 

Additional info:
cat /etc/logrotate.d/openstack-keystone 
/var/log/keystone/*.log {
    rotate 14
    size 10M
    missingok
    compress
}


see BZ 1394544

 cat /etc/logrotate.d/openstack-ceilometer 
compress

/var/log/ceilometer/*.log {
    weekly
    rotate 4
    size 10M
    missingok
    compress
    minsize 100k
}