CentOS 7.x Rocks cluster 7.0 Build rolls server

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We can build a rolls server to setup master node using a CentOS 7 machine. To setup rolls on a CentOS 7 machine use:

1. Disable firewalld

   systemctl stop firewalld
   systemctl disable firewalld

2. Disable selinux by editing '/etc/selinux/config' as:

   SELINUX=disabled

   Also run

   setenforce 0

3. Download all required rolls from http://central-7-0-x86-64.rocksclusters.org/isos/ on admin Desktop
4. Install httpd using:

   yum install -y httpd

5. Start & enable httpd

   systemctl start httpd
   systemctl enable httpd

6. Install git

   yum install -y git

7. Clone roll-server github repository related to rocksclusters project using:

   cd /root
   git clone https://github.com/rocksclusters/roll-server.git

8. Mount the download folder from admin desktop containing all downloaded ISOs to CentOS7 rolls server using sshfs:

   yum -y install epel-release
   yum -y install sshfs
   mkdir /mnt/roll-server
   sshfs root@<admin-station>:<Download-folder-with-only-rolls-iso-files> /mnt/roll-server

   If this sshfs based mounting is not desired you can simply copy all the roll ISOs to /mnt/roll-server folder on rolls server

9. Copy rolls (iso images) to web directory

   cd /root/roll-server
   for A in $(ls -1 /mnt/roll-server/*.iso); do echo $A;  ./rollcopy.sh $A /var/www/html; done

   The above command copies all the rolls to /var/www/html folder (Default DocumentRoot)

10. Copy index.cgi file

    cp index.cgi /var/www/html/install/rolls

11. Add below lines in apache configuration at '/etc/httpd/conf/httpd.conf'

    # allow all access to the rolls RPMS
    <Directory /var/www/html/install/rolls>
    AddHandler cgi-script .cgi
    Options FollowSymLinks Indexes ExecCGI
    DirectoryIndex /install/rolls/index.cgi
    Allow from all
    </Directory>

12. Optionally delete welcome.conf which stops DocumentRoot from being Indexed

    cd /etc/httpd/conf.d
    rm -f welcome.conf

13. Restart web server

    systemctl restart httpd

14. Open web browser and check
    1. http://rolls.rnd.com/
    2. http://rolls.rnd.com/install/rolls

       On /install/rolls page instead of default directory Index by apache, a different kind of list should appear

Ref:

• https://github.com/rocksclusters/roll-server

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