OpenStack

Installation

Source: tecmint.com

Topology

            Mgmt    PG-747
[]--------------[OS]-----------------[]
          ens160    ens192
   10.10.30.8/23    10.70.47.100/24

Initial Steps

Requirement:

CentOS VM
16 GB RAM
100 GB HDD
2 Virtual NICs

Remove unneeded services:

systemctl stop postfix firewalld NetworkManager
systemctl disable postfix firewalld NetworkManager
systemctl mask NetworkManager
yum remove postfix NetworkManager NetworkManager-libnm

Completely disable Selinux policy

setenforce 0
getenforce
vi /etc/selinux/config
SELINUX=disabled

Set hostname

hostnamectl set-hostname cloud.centos.lan

Install NTP

yum install ntpdate

Install MariaDB:

yum install mariadb-server
systemctl start mariadb.service

Do not set the password for root user, else set it to blank again:

mysqladmin -u root -p<present-password> password

Preparing OpenStack Queens Installation

OpenStack will be deployed with the help of PackStack package provided by rdo repository (RPM Distribution of OpenStack):

yum install https://www.rdoproject.org/repos/rdo-release.rpm 

Setup the OpenStack repository:

yum install -y centos-release-openstack-queens
yum update -y

Packstack facilitates the deployment on multiple nodes for different components of OpenStack via SSH connections and Puppet modules:

yum install  openstack-packstack

Generate an answer file to deploy a standalone installation of Openstack (single node):

packstack --gen-answer-file='date +"%d.%m.%y"'.conf

Edit the generated answer configuration file with a text editor:

vi 03.09.18.conf

CONFIG_NTP_SERVERS=0.ro.pool.ntp.org
CONFIG_PROVISION_DEMO=n
CONFIG_KEYSTONE_ADMIN_PW=your_password          # For Admin user
CONFIG_HEAT_INSTALL=y                           # Install OpenStack Orchestration (HEAT)
CONFIG_HORIZON_SSL=y                            # Access OpenStack dashboard via HTTP with SSL enabled
CONFIG_MARIADB_PW=mypassword1234                # The root password for MySQL server
CONFIG_NAGIOS_INSTALL=n                         # Disable Nagios

Enable Root SSH login by uncomment below line:

vi /etc/ssh/sshd_config
PermitRootLogin yes

systemctl restart sshd

Start Installation using Packstack Answer File

Using above Answer file:

packstack --answer-file 13.04.16.conf

Default setup without Answer file:

packstack --allinone

Credentials can be found (if you haven’t set it in the answers.txt file) in below file:

cat keystonerc_admin

Verification

source keystonerc_admin 
openstack user list
openstack project list 
openstack service list
openstack catalog list

neutron router-port-list adminrouter
neutron router-port-list --column id --column status --column fixed_ips adminrouter
neutron port-show 43c9ff00-07ce-4069-a734-4e6d5e795e6a

Troubleshooting

References

{{#widget:DISQUS |id=networkm |uniqid=OpenStack |url=https://aman.awiki.org/wiki/OpenStack }}