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Showing posts from September, 2018

Ansible playbooks layout and examples

Once you have ansible installed and ssh connectivity between the control server and other hosts established you can set up following directly layout with playbooks and execute the examples listed here. These playbook examples are also available from my Github repository - . ~/. ---+ansible.cfg ---+dev ---+hosts ---+playbooks/ -------------+webserver.yml -------------+database.yml -------------+loadbalancer.y ml So where do you start? You set up your hosts file similar to /etc/hosts but a local one with IP address translation to your systems. #hosts     control     app01     app02     db01     lb01 Next you set up your environment in dev file by creating groups of hosts. #dev [cc] control ansible_connection=local [apps] app01 app02 [dbs] db01 [lbs] lb01 This brings us to the playbooks that you can use as

Setting up Ansible environment on AWS

This article will help you setting up your ansible environment in AWS in most quickest way. You will need following inventory to start with. 1 x control centre 1 x load balancer 2 x application servers 1 x database servers Set up Control Centre Go to Select Region from top right, I am using London Click Launch Instance  - Image selection - Ubuntu AMI, I am using ami-c7ab5fa0  - Instance type - t2.micro  - Configure Instance Details     - Make sure Auto-Assign Public IP is enabled     - Add following bootstrap script to user data in Advanced Details. #!/bin/bash # global variables newhostn=" control " # Update apt and upgrade to latest sudo apt-get update sudo apt-get upgrade -y sudo apt-get update sudo apt-get install software-properties-common -y sudo apt-add-repository ppa:ansible/ansible -y sudo apt-get update #Install python and ansible sudo apt-get install python ansible python-boto awscli python-