Ansible Quick Start Guide by Mohamed Alibi

Author:Mohamed Alibi
Language: eng
Format: epub
Tags: COM088000 - COMPUTERS / System Administration / General, COM088010 - COMPUTERS / System Administration / Linux and UNIX Administration, COM011000 - COMPUTERS / Systems Architecture / General
Publisher: Packt Publishing
Published: 2018-09-28T08:58:56+00:00

Firewall UFW management module

This is an Ansible management module for the Linux firewall UFW. It basically manages ports, protocols, and IPS firewall permissions. An example playbook to enable a port on a specific protocol can be written as follows:

- name: add port 5000 for iperf testing on all hosts

ufw:

rule: allow

port: 5000

proto: tcp

This module requires ufw , as the command-line tool, to be installed on the remote hosts.

HAProxy control module

This is a module that manages HAProxy servers, commanding them to enable, disable, drain, and set weights for backend servers using socket commands. An example of a command to disable some HAProxy servers is as follows:

- name: disable a haproxy backend host

haproxy:

state: disabled

host: '{{ inventory_hostname }}'

socket: /usr/loca/haproxy/haproxy.sock

backend: www

wait: yes

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