Assignment 2: Ansible

Installation and configuration of remote configuration tools: ANSIBLE

1. Installation of Ansible (1): Keep the default configuration during the installation process

   • Controller side:

     • server-04

   • Server side:

     • server-01, server-03, server-05

   • Client side:

     • frontend

2. Initial configuration:

   • Create an inventory for every instance, server-04 included

3. Control tasks (2):

   • Run the following commands, over the entire infrastructure, in an interactive way using ansible:

     • ‘uptime’ and ‘ping’

   • Run the following commands over the ‘servers’ infrastructure only (servers), in an interactive way using ansible:

     • ‘df -hT’ and ‘vmstat’

   • Using ansible’s modules:

     • Install the following packages over all:

       1. iotop, iftop, dstat, nicstat, iptraf

     • Reboot server-05 instance.

4. Deployment and configuration Tasks. Using ansible, you will have to automate the following tasks:

   • Create a playbook to automate the addition of new host entries in /etc/hosts file.

   • You can use the following example:

     • 10.128.0.16 server-06.localdomain server-06

   • Apply it on all servers (one go only)

More datails in reference [1]

(1) Use the official debian software repositories

(2) Check the YAML syntax using online validators: https://codebeautify.org/yaml-validator