Description of problem: The installation fails due to missing configuration parameter in the apache configuration file.



Version-Release number of selected component (if applicable):

cat /etc/redhat-release
CentOS Linux release 7.2.1511 (Core)

packstack --version
packstack Liberty 7.0.0.dev1682.g42b3426

[root@puppet ~]# sestatus
SELinux status:                 disabled



How reproducible:
Follow RDO quick install steps.

sudo yum install -y https://www.rdoproject.org/repos/rdo-release.rpm
sudo yum update -y
sudo yum install -y openstack-packstack
packstack --allinone


Steps to Reproduce:

sudo yum install -y https://www.rdoproject.org/repos/rdo-release.rpm
sudo yum update -y
sudo yum install -y openstack-packstack
packstack --allinone

Actual results:

[root@puppet ~]# packstack --allinone
Welcome to the Packstack setup utility

The installation log file is available at: /var/tmp/packstack/20160309-114934-2emU6W/openstack-setup.log
Packstack changed given value  to required value /root/.ssh/id_rsa.pub

Installing:
Clean Up                                             [ DONE ]
Discovering ip protocol version                      [ DONE ]
Setting up ssh keys                                  [ DONE ]
Preparing servers                                    [ DONE ]
Pre installing Puppet and discovering hosts' details [ DONE ]
Adding pre install manifest entries                  [ DONE ]
Setting up CACERT                                    [ DONE ]
Adding AMQP manifest entries                         [ DONE ]
Adding MariaDB manifest entries                      [ DONE ]
Fixing Keystone LDAP config parameters to be undef if empty[ DONE ]
Adding Keystone manifest entries                     [ DONE ]
Adding Glance Keystone manifest entries              [ DONE ]
Adding Glance manifest entries                       [ DONE ]
Adding Cinder Keystone manifest entries              [ DONE ]
Checking if the Cinder server has a cinder-volumes vg[ DONE ]
Adding Cinder manifest entries                       [ DONE ]
Adding Nova API manifest entries                     [ DONE ]
Adding Nova Keystone manifest entries                [ DONE ]
Adding Nova Cert manifest entries                    [ DONE ]
Adding Nova Conductor manifest entries               [ DONE ]
Creating ssh keys for Nova migration                 [ DONE ]
Gathering ssh host keys for Nova migration           [ DONE ]
Adding Nova Compute manifest entries                 [ DONE ]
Adding Nova Scheduler manifest entries               [ DONE ]
Adding Nova VNC Proxy manifest entries               [ DONE ]
Adding OpenStack Network-related Nova manifest entries[ DONE ]
Adding Nova Common manifest entries                  [ DONE ]
Adding Neutron VPNaaS Agent manifest entries         [ DONE ]
Adding Neutron FWaaS Agent manifest entries          [ DONE ]
Adding Neutron LBaaS Agent manifest entries          [ DONE ]
Adding Neutron API manifest entries                  [ DONE ]
Adding Neutron Keystone manifest entries             [ DONE ]
Adding Neutron L3 manifest entries                   [ DONE ]
Adding Neutron L2 Agent manifest entries             [ DONE ]
Adding Neutron DHCP Agent manifest entries           [ DONE ]
Adding Neutron Metering Agent manifest entries       [ DONE ]
Adding Neutron Metadata Agent manifest entries       [ DONE ]
Adding Neutron SR-IOV Switch Agent manifest entries  [ DONE ]
Checking if NetworkManager is enabled and running    [ DONE ]
Adding OpenStack Client manifest entries             [ DONE ]
Adding Horizon manifest entries                      [ DONE ]
Adding Swift Keystone manifest entries               [ DONE ]
Adding Swift builder manifest entries                [ DONE ]
Adding Swift proxy manifest entries                  [ DONE ]
Adding Swift storage manifest entries                [ DONE ]
Adding Swift common manifest entries                 [ DONE ]
Adding Provisioning Demo manifest entries            [ DONE ]
Adding Provisioning Demo bridge manifest entries     [ DONE ]
Adding Provisioning Glance manifest entries          [ DONE ]
Adding MongoDB manifest entries                      [ DONE ]
Adding Redis manifest entries                        [ DONE ]
Adding Ceilometer manifest entries                   [ DONE ]
Adding Ceilometer Keystone manifest entries          [ DONE ]
Adding Nagios server manifest entries                [ DONE ]
Adding Nagios host manifest entries                  [ DONE ]
Adding post install manifest entries                 [ DONE ]
Copying Puppet modules and manifests                 [ DONE ]
Applying 10.10.19.138_prescript.pp
10.10.19.138_prescript.pp:                           [ DONE ]
Applying 10.10.19.138_amqp.pp
Applying 10.10.19.138_mariadb.pp
10.10.19.138_amqp.pp:                                [ DONE ]
10.10.19.138_mariadb.pp:                             [ DONE ]
Applying 10.10.19.138_keystone.pp
Applying 10.10.19.138_glance.pp
Applying 10.10.19.138_cinder.pp
10.10.19.138_keystone.pp:                         [ ERROR ]
Applying Puppet manifests                         [ ERROR ]

ERROR : Error appeared during Puppet run: 10.10.19.138_keystone.pp
Error: /Stage[main]/Apache::Service/Service[httpd]: Failed to call refresh: Could not restart Service[httpd]: Execution of '/usr/bin/systemctl restart httpd' returned 1: Job for httpd.service failed because the control process exited with error code. See "systemctl status httpd.service" and "journalctl -xe" for details.
You will find full trace in log /var/tmp/packstack/20160309-114934-2emU6W/manifests/10.10.19.138_keystone.pp.log
Please check log file /var/tmp/packstack/20160309-114934-2emU6W/openstack-setup.log for more information
Additional information:
 * A new answerfile was created in: /root/packstack-answers-20160309-114935.txt
 * Time synchronization installation was skipped. Please note that unsynchronized time on server instances might be problem for some OpenStack components.
 * Warning: NetworkManager is active on 10.10.19.138. OpenStack networking currently does not work on systems that have the Network Manager service enabled.
 * File /root/keystonerc_admin has been created on OpenStack client host 10.10.19.138. To use the command line tools you need to source the file.
 * To access the OpenStack Dashboard browse to http://10.10.19.138/dashboard .
Please, find your login credentials stored in the keystonerc_admin in your home directory.
 * To use Nagios, browse to http://10.10.19.138/nagios username: nagiosadmin, password: 7cca18759de748dc

Expected results:

Installation should go without issues.

Additional info:

For some reason, the http module include line is missing.

HTTP issue is resolved by adding the line in http conf file

+Include /etc/httpd/conf.modules.d/*