Dennis McCarthy dmccuk

Ansible: Create Local / Custom facts on Windows Servers

This demo follows on from Ansible: How to manage Windows servers using winrm

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If you manage a groups of servers, be they Linux or Windows using Ansible, sometimes you need to get a specific piece of information

Ansible: Run Playbooks From Other Teams

Some companies put the onnus of installing and setting up an application, onto the application teams themselves. This means they can leverage the power of the existing automation to stand up their application and reduce the time it takes to get up and running. They'll need to write the ansible playbooks to cover off all of their application requirements, but once that code exists, it's a simple matter to make small updates and tweaks manage that application going forward.

This demo will cover

Set-up a basic playbook to make a few simple updates on a remote server.
Create a couple of Ansible roles in a new GitHub repo (pre-perpared).
Create the requirements.yml file correctly andin the right place to pull down the new ansible roles from a different

Manage Windows Servers using Ansible

This is a real-time demo of how to set up your windows servers so they can be managed by ansible. I've created a YouTube companion video demo here: https://youtu.be/aPN18jLRkJI

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The following is covered by this demo:

Setup a windows 2016 (or 2019/2021) server so ansible can manage it (over HTTPS)
Setup my Centos 8 server so it can manage windows servers using winrm

Ansible – Set_facts conditional example

In ansible, like any other programming language, at some point, we’ll want to set a variable for something. This is fairly simple to do when it’s just one value, but if we need to pick that value from the server we run ansible against, it gets a bit trickier.

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Checkout the Youtube Video walkthrough here: https://youtu.be/NUGAQQ7p-Ho

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For example:

In this demo, I'll cover the following tasks:

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Start with a newly built Ubuntu 20.04 server
Install pre-requisite packages
Install Jenkins
Install some other helpful packages like ansible, wget, git, etc
Install the default plugins
Login and setup the Admin user

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Ansible: Nested and Dynamic Variables

This is a quick demo to show you how to use nested variables, then override them to make them useful in your playbooks.

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Create a role

The first thing we do is create a new role to put our ansible code:

mkdir roles

	let an Ansible role from scratch and do the following things, and then deploy the role.

	* Create the role
	* Setup the tasks using best practice
	* Add templates with ansible facts
	* Setup handlers for when things change
	* Make the whole thing idempotent and not task run unless it needs to
	* Show how variable precedence works for default, vars & group_vars

	All the code for this demo is available below. Don't forget to like and subscribe!

	Systemd gives us the ability to create services out of almost anything. If you want to run an application and make sure that the application is available after a reboot, consider creating a service to manage that for you.

	In this Demo, I’ll cover the following:

	• Create a simple bash script to output the date to a log file.
	• Setup the basic systemd service unit file.
	• Reload systemd to pick up the new service.
	• Enable, then start the service.
	• Stop and restart the service.
	• Test it with a server reboot.

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