Description of problem:
It is better to use absolute path for certpw file

Version-Release number of selected component (if applicable):
Redhat OpenStack 5 On RHEL7

How reproducible:

2.4.2.2. Enable SSL on the RabbitMQ Message Broker

[root@control ~]# certutil -S -d /etc/pki/rabbitmq -n 10.66.216.4 -s "CN=10.66.216.4" -t "CT,," -x -f certpw -z /usr/bin/certutil
No password file "certpw" exists.
certutil: unable to generate key(s)
: SEC_ERROR_BAD_PASSWORD: The security password entered is incorrect.

It is better like this：
certutil -S -d /etc/pki/rabbitmq -n 10.66.216.4 -s "CN=10.66.216.4" -t "CT,," -x -f /etc/pki/rabbitmq/certpw -z /usr/bin/certutil

Steps to Reproduce:
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Actual results:


Expected results:


Additional info: