INSTALLING THE OPENSTACK CLIENT

In order to interact with the openstack API you will need to install the client. In this example, I am going to install the client in a python virtual environment. This gives me the option of installing and switching between different versions of the client.

PREREQUISITES

sudo yum -y install epel-release
sudo yum -y install python python-devel python-pip gcc
sudo pip install --upgrade pip
sudo pip install virtualenv

Once the packages are installed, create a folder for your virtual environments. I am naming the folder ‘venvs’ and changing into that directory.

mkdir venvs && cd venvs

Create the virtual environment

[centos@osp-client venvs]$ python -m virtualenv openstack_client
  No LICENSE.txt / LICENSE found in source
New python executable in /home/centos/venvs/openstack_client/bin/python2
Also creating executable in /home/centos/venvs/openstack_client/bin/python
Installing setuptools, pip, wheel...
done.
[centos@osp-client venvs]$ ll
total 0
drwxrwxr-x. 5 centos centos 56 Jan 28 12:47 openstack_client

Activate the virtual environment by running the below command. Notice that the prompt changes once activated. I will create a separate post on how you can configure your bash and zsh environments to give you more features and functionality.

[centos@osp-client venvs]$ source openstack_client/bin/activate
(openstack_client) [centos@osp-client venvs]$

Install the all-in-one client

(openstack_client) [centos@osp-client venvs]$ pip install python-openstackclient
To deactivate the virtual environment just type ‘deactivate’.

You will notice that the prompt changes again once the virtual environment is deactivated.

(openstack_client) [centos@osp-client venvs]$ deactivate
[centos@osp-client venvs]$

Using the above process, you can create multiple virtual environments and install different versions of the client as per your requirements.