To follow this article, you will need the following:

• python2.7 latest installed on your system
• root user with sudo privileges

Install Tooling on your local machine

Install the Command Line Developer Tools for OS X

• sudo xcode-select --install

Install 'pip'

• sudo easy_install pip

Verify the 'pip' command is now in our PATH

• pip --version

Upgrade 'pip' version to latest

• sudo pip install --user --upgrade pip

Install/Upgrade 'ansible' to latest

• sudo pip install --user --upgrade ansible

Verification of Ansible installation

By default, we don't have an existing Ansible Inventory, but we can run ansible with localhost as the target

• ansible localhost -m ping

localhost | SUCCESS => {
    "changed": false,
    "ping": "pong"
}

• ansible localhost -m setup -a 'filter=ansible_distribution'

localhost | SUCCESS => {
    "ansible_facts": {
        "ansible_distribution": "MacOSX"
    },
    "changed": false
}

• ansible localhost -a 'uname -a'

localhost | SUCCESS | rc=0 >>
Darwin vchepeli-OSX.local 17.5.0 Darwin Kernel Version 17.5.0: Fri Apr 13 19:32:32 PDT 2018; root:xnu-4570.51.2~1/RELEASE_X86_64 x86_64

Create Virtual Environment(Optional)

This does a user installation to prevent breaking any system-wide packages

Create python2.7 virtual environment for Ansible

• virtualenv --python=python2.7 .venv

Activate python2.7 virtual environment

• source .venv/bin/activate

Add cloud ENVs to yous shell

Export Openstack ENVs

• chmod +x <project-name>-openrc.sh
• ./<project-name>-openrc.sh

Export AWS ENVs

• export AWS_ACCESS_KEY_ID=<your-aws-access-key-id>
• export AWS_SECRET_ACCESS_KEY=<your-aws-secret-access-key>

Clone ansible repository locally

• git clone git@github.com:vchepeli/aws-performance.git && cd aws-performance

Create your secret password for sensitive information

• openssl rand -base64 15 > .password

Creare secret.yml file for Jenkins credentials

• ansible-vault --vault-password-file=.password create secret.yml

vault_jenkins_username: <your-username>
vault_jenkins_password: <your-password>
vault_jenkins_url: <jenkins-master-url>

Update hosts inventory file with your local user name(Optional)

my ansible_host=127.0.0.1 ansible_user=<your-local-username> ansible_connection=local

Generate SSH keys for AWS EC2/Openstack and Jenkins

• ssh-keygen -t rsa -b 2048 -C "<your-email-address>" -f ~/.ssh/ec2.centos -q -N ""
• ssh-keygen -t rsa -b 2048 -C "<your-email-address>" -f ~/.ssh/ec2.jenkins -q -N ""

Run Ansible playbook

Create new performance cluster

• ansible-playbook -i hosts play.yml --vault-password-file .password --ask-become-pass

Destroy old performance cluster

• ansible-playbook -i hosts play.yml --vault-password-file .password --ask-become-pass --tags='destroy'