Ansible Inventory Tutorial

A connection will be made with ssh keys and you can also specify a username and password. Once you have created an inventory file and populated it, ansible can use it. Testing Ansible roles with Molecule - tutorial Molecule provides a clean way of testing Ansible roles which you write. yml, file ini berisi daftar command yang akan kita kirim ke router mikrotik yang sudah didaftarkan pada file hosts (inventory) tadi. So, we run the ansible-playbook command against the test. for ssh, scp and ansible. boto file as previously, Ansible will work. There are many articles available online regarding that. Using Ansible you can provision virtual machines, containers, and network and complete cloud infrastructures. With larger inventories it can get quite complex, but we are only working towards launching a basic role at this time. This file contains the locations of our inventory and roles:. yml Conclusion. ### Links to other. Updated for Ansible2! Ansible is one of the simplest server provisioning and configuration management tools. I will keep working on modules and more support between Ansible and AIX/PowerVM. To make sure you have a root login to all listed hosts in inventory use below command; # ansible all -m shell -a id. A Beginner's Tutorial, Part1 Learn how to use ansible to setup a web platform. VNF inventory hosts file names include the VNF instance name and are now created under base inventory directory to preserve properties of (global) inventory/group_vars files with variables, example, site specific attributes for DNS, NTP, etc. cfg file looks like this: [defaults] inventory = hosts Creating the Ansible playbook. ansible -i /project/ansible/myhosts -m ping all. Follow our Youtube Channel for more about Ansible Tutorials : Check out the below Video for More about Ansible Dynamic Inventory. We can also use it to deploy our web applications. Ansible is a radically simple IT automation platform that makes your applications and systems easier to deploy. It will ping all the hosts that you defined in hosts or inventory file. [update] next post in this series: Ansible Inventory 2. There are obviously a lot of solutions for backing up network device configurations. 4, Ansible has Inventory Plugins to make this flexible and customizable. Host inventory is a text file on control node which consists of managed host name or ip addresses. The only thing I highly recommend is using roles instead of tasks, this will give your flexibility and better organization of your code. This is part 2 of Ansible tutorial. We discuss the default inventory location as well as how to provide a non-default inventory file. I will create a simple inventory file for this tutorial. the Playbook would be run against all the host groups specified in my inventory file. Given below is the command syntax or sample to run an ansible playbook. The last time we talked about Ansible (with Ansible Playbook TLS Tutorial is shown below) we advised to read about the subject "Inventory". We start with orchestration and change management fundamentals then move to how Ansible works. I hope you went through my previous blog to learn what is Ansible and the most used terminologies of Ansible. Introduced in version 2. For the purposes of this tutorial, it is not necessary to have anything special in the inventory file because we will be specifying our BIG-IP connection information within the playbook itself. “Automation is not magic” --me. echo "[group1]" > myhosts. yml: This is the controller playbook. In this tutorial you have access to one host named host01. Tutorial: Writing Ansible Playbook¶ In this tutorial, we are going to write a basic playbook of Ansible software. The Ansible guide includes Playbook examples to get you up and running right away. [[email protected] ansible]# ansible-playbook -i inventory/hosts master. What is Ansible? Ansible tutorial guide for beginners in different formats such as YouTube Video, PDF, PPT, eBook, Infographic and more. The next important element in the architecture of ansible refers to Inventory. Here we will show you some of the must-follow basics steps to make a custom Ansible module. One reason I chose Ansible was due to its ability to maintain a fully immutable server architecture and design. This tutorial explains you about the basics of Ansible Inventory, at the end of this tutorial you will be able to understand What is Ansible Inventory, how to change or create a new inventory rather than using the default inventory, how to define the hosts and host groups. Answer: Ansible Playbook is a really simple configuration management and multi-machine deployment system. Ansible Tower offers use a UI where we can see all the pushes that have gone into the server. # staging/inventory [server] localhost ansible_connection=local Organizing Group Vars Files in Ansible By Osvaldo Toja September 14, 2014 13 Comments. Here myex is group name which covers hosts listed below. Inventory and Hosts. In this tutorial, we are going to show you how to deploy an AngularJS application using Ansible. A short word about Ansible tutorial. Ansible expects this file in /etc/ansible by default. The variable ansible_user is related to the first step about provisioning access, and it must match the user for the host server so that it is possible to connect via ssh. $ echo "192. It is located in /etc/ansible/hosts. Configuration management in Ansible is built around a construct called the "playbook. Ansible is one of the simplest server provisioning and configuration management tools. Ansible tutorial: setup of user accounts, SSH and firewall with Ansible October 20, 2018 September 26, 2019 / Leave a Comment In the first part of this tutorial series, I showed you how to install the operating system image on a Hetzner root server using Ansible. We will get to exactly what I mean later, but it’s important to note – my goal in writing this post is not compare or contrast Ansible with other products. The Ansible project has an OpenStack dynamic inventory script available which we can use to integrate Ansible with the Catalyst Cloud. Now that you’ve set up a managed node, it’s time to add it to your inventory. And for those of us who have had the luxury of maintaing these INI inventories in massive scale learn to really despise this format for one reason or another. An Ansible2 Tutorial. Ansible is the only automation language that can be used across entire IT teams from systems and network administrators to developers and managers. I've chosen to set this in the ansible. When we launch the instance, we may want to use UserData to have it Python installed, otherwise Ansible will complain for not finding it: [myservers] 34. Are you using Jenkins as front-end GUI for Ansible Automation? Have you ever tried the dynamic inventory in Jenkin's Ansible plugin? Ansible Inventory can be created using the plugin's dynamic inventory feature. We will use the Web UI since this is the most preferred method by most new Ansible Tower users. Red Hat Ansible. Multiple users on my team can utilize it without me giving them a thorough tutorial. Network Automation with Ansible + Nagios. VNF inventory hosts file names include the VNF instance name and are now created under base inventory directory to preserve properties of (global) inventory/group_vars files with variables, example, site specific attributes for DNS, NTP, etc. In Ansible, nothing happens without an inventory. In this video you will see how Ansible manages yours Inventory of Hosts. 4, Ansible has Inventory Plugins to make this flexible and customizable. What's that's giving to you, the end user, is an inventory cache that you can pull data from. For some reason, the conversion ended up with host ranges ([01:03]) being seperated by = instead of the shown and correct :. 04 Systemd with AWS (t2-micro type). In this part of the DevOps tutorial you will learn what is Ansible, why do we need Ansible, its workflow and architecture, Ansible operations, setting up the Ansible environment, ad hoc and Playbook commands, Ansible use cases and more. Step 6: Create an Ansible Inventory. Provision Google Compute Engine(GCE) virtual machine with Ansible. We cover some basic configurations of Ansible AWX that you must know, such as setup credentials, inventories, setup and run job templates etc. cfg looks like:. We will use the Web UI since this is the most preferred method by most new Ansible Tower users. Ansible needs to know what machines you're going to be managing. You can also specify an alternative path for an intentory file with the -i flag. Keep in mind that Ansible is a main program and playbook is a template that you would like to use. Tutorial on how to manage Static and Dynamic host inventory in ansible. Now at the Ansible level, one of the first things I need to create is my Ansible inventory.  You will also pick up some good practices:). In this tutorial, we'll provide a step by step instructions about how to add a new inventory, create a host and adding a credential on AWX. In the inventory file, you can group your managed nodes and use these groups to target specific hosts that make up your infrastructure. Interested in finding more? Why not read few of our latest tips. This Ansible tutorial will give you a complete overview of Ansible tool, which is an open source tool that helps in task automation, application deployment, cloud provisioning and configuration management. 197" > hosts. Ansible is mostly known for configuration management. Ansible, Ansible tutorial, best Ansible site, Ansible training, learning Ansible, Ansible explained, Ansible beginner tutorial, Ansible tutorial for beginners. The default path of the inventory file is /etc/ansible/hosts/ but we can also specify a different inventory file using -I on the command line. Using Ansible you can provision virtual machines, containers, network, and complete cloud infrastructures. Ansible ad hoc ping. Ansible: access group vars for groups the current host is not a member of. So next up is to set up inventory in Ansible to run configuration on all these servers. Main features Automating remote system provisioning and applications deployment With no agents to install on remote systems Using existing SSHd on remote system Native OpenSSH for remote communication on control machine Parallel by default Automation language that approaches plain english. When used with a manually deployed environment, host details take the form: app101 ansible_host=10. It will prompt a message the mentioned host file is empty. We created an ssh key and then set up our instances with this key so we could use ssh, scp, and ansible. Here we will show you some of the must-follow basics steps to make a custom Ansible module. Ansible is an open-source IT engine which automates the IT tools such as intra service orchestration, application deployment, cloud provisioning, etc. This part runs the "ansible" executable, one of the programs that comes in the full Ansible suite that you installed earlier. 165) to the Add host inventory. It allows you to execute simple one-line task against one or group of hosts defined on the inventory file configuration. $ mkdir ~/ansible_config. In this tutorial we will go over steps to copy files to remote host using Ansible. With larger inventories it can get quite complex, but we are only working towards launching a basic role at this time. In the Ansible Configuration and Inventory section, we will get to know the basics of Ansible Configuration file and Ansible Inventory. We are going to configure Ansible with the least complex possible configuration. Getting Started With Ansible in 5 Minutes. Building on the ansible tutorial from earlier, this tutorial shows you how to use your existing virtual environment to control your AWS ansible inventory. What is Ansible? Ansible tutorial guide for beginners in different formats such as YouTube Video, PDF, PPT, eBook, Infographic and more. You may have several playbooks in your Ansible. Another common way of referring to our Ansible Inventory file is to call it the hosts file. In this installment of his face-off series, Tom Nolle evaluated Ansible vs. In this tutorial, we'll provide a step by step instructions about how to add a new inventory, create a host and adding a credential on AWX. Ansible is an easy-to-use tool that can execute pre-defined actions on servers such as installing dependencies, watching for changes, deploying applications, or even deploying other servers. Ansible Modules: The section discuss how to develop, debug, review and test modules. For these few minutes, let’s assume that we are using the default ansible inventory (which in Debian based system is placed in /etc/ansible/hosts). With the release of Ansible 2. You can efficiently run your IT configurations using the inventory file. In this part you will learn how to create playbooks, what are roles and tasks and how to use privileges escalation in Ansible. $ sudo mkdir /etc/ansible $ sudo touch /etc/ansible/hosts. In this Ansible Cisco tutorial for beginners I will take you from the very beginning, installing Ansible on Ubuntu, to setting up the folders and running through a simple playbook which will backup the configuration of a Cisco router. Ansible Interview Questions Interview Questions On Ansible. When ansible is installed then /etc/hosts file is created created automatically, in this file we can mentioned the ansible hosts or its clients. You will also understand how Ansible can effectively fulfill your automation needs in projects of any scale or size. jenkins, DNS, etc). In addition, it's the OpenSource version of the Ansible Tower software sponsored by Red Hat, that enables users to better control their Ansible project use in IT environments. Another common way of referring to our Ansible Inventory file is to call it the hosts file. Ansible is one of the simplest server provisioning and configuration management tools. In this tutorial, you will learn how to setup a dynamic inventory for AWS using boto and the python script. You can see below that I'm telling Ansible to run the win_ping module for all nodes inside of the windows inventory group. Let's look at how this could be accomplished using Ansible. ansible-aws-inventory-worker. Creating an inventory file¶. Leave a comment on below if it helps you to get the knowledge on configuring the Ansible Dynamic Inventory. $ sudo mkdir /etc/ansible $ sudo touch /etc/ansible/hosts. In this lecture, we will: Configure a local inventory file with hostnames and groups (dev). Ansible (software) Interview Questions & Answers For those looking for a career on Ansible software, there are numerous opportunities in top MNC's to small and middle level companies across all major IT hubs as well as other parts of the country. Have a great begin with Ansible Automation. Working with Ansible Inventory. Ansible inventory. Ansible User Handbook: Are you finding difficulty in remembering all the commands that you need in order to work with Ansible? Guys don't worry if you are a beginner and have no idea about how Ansible works, this Ansible cheat sheet will give you a quick reference of the basics that you must know to get started. It's -i because the hosts file is known as your inventory. Cloud DevOps: Using Packer, Ansible/SSH and AWS command line tools to create and DBA manage EC2 Cassandra instances in AWS. 0 and post 2. Inventory is a set of objects or hosts, against which we are executing our playbooks or single tasks via shell commands. I will keep working on modules and more support between Ansible and AIX/PowerVM. Then we are running the ansible-playbook command, with the user ubuntu, a specified private key, and most importantly: a specified Ansible inventory that only contains the public IP of the server we've just. The following script is a dynamic inventory script run by Ansible. We cover some basic configurations of Ansible AWX that you must know, such as setup credentials, inventories, setup and run job templates etc. “Automation is not magic” --me. yml: This is the controller playbook. For Ansible to automate a Linux Server, Network device or Cloud server it has to exist within the inventory (also known as the Ansible hosts file) and saved in either YAML or INI format. According to Ansible's Best Practices, There are many possible ways to organize playbook content, and that the usage of such layout should fit your needs. Ansible manages your inventory in simple text files (These are the hosts file). This course introduces a beginner in DevOps to basic fundamentals of Ansible with easy to do hands-on exercises that you can practice right in the browser. Let's look at how this could be accomplished using Ansible. Real Time Ansible (software) Interview Questions and Answers PDF • What Is Ansible? Ansible is a software tool to deploy application using ssh without sny downtime. Ansible is an open-source automation tool for managing your configuration, provisioning, and change management. Rather than focusing on the services as was in the previous RHCE, the focus is on configuration management with Ansible. This is a reference to an Ansible module, just like when we use the ansible command and type something like: ansible -m apt -a 'whatever' all. 4, Ansible has Inventory Plugins to make this flexible and customizable. Ansible tutorial provides basic and advanced concepts of Ansible. Ansible (advanced): It's based on YAML language of 2015 FichteFoll [email protected] In this Ansible tutorial, you will learn: What is. In a previous tutorial, we talked about expect command and we saw how to automate scripts in Linux using its scripting language. So, we run the ansible-playbook command against the test. Good question! Actually, we're planning to show this workflow in Ansistrano tutorial: when the tests are green on CI - automatically deploy the code to production with Ansistrano. In this post, we will start with the installation of AWX on top of OpenShift. Inventory can also be specified as a separate configuration file which lists either the IP address or hostname of each node that is accessible by Ansible. I wrote the following playbook to automate the upgrade of Cisco IOS devices. Ansible is an open source community project sponsored by Red Hat, it's the simplest way to automate IT. “Infrastructure as Code” is the term used to describe managing infrastructure using code base. We will get to know the nuances once we go along the tutorial. Creating an inventory file¶. …A simple inventory is just an uncategorized list…of host names or IP addresses. You will begin by learning about the Ansible client-server architecture. Ansible supports inventory scripts for building dynamic inventory files. Since we installed Ubuntu on our machines, we chose to use the apt module from the Ansible collection. By now we have seen how to install Ansible on EC2 instance, we also learned how we can set up different web and database servers, create user, give sudo permission and enable password authentication. “Automation is not magic” --me. The ansible. com Designed by Wall-Skills. For the purposes of this tutorial, it is not necessary to have anything special in the inventory file because we will be specifying our BIG-IP connection information within the playbook itself. The playbooks have been written to be reusable, so you can replace wildcards in variables. In the ansible-playbook command, we specify the --sudo option to run the command as a super user and specify our test inventory file:. DevOpsSchool provides the best ansible advance training by an expert trainer. We start with orchestration and change management fundamentals then move to how Ansible works. In this Ansible tutorial, we will go through every aspect of Ansible with real time examples. Ansible - Using YAML For Inventory 1 minute read Backgroud. Given below is the command syntax or sample to run an ansible playbook. ansible-aws-inventory-main. We will install Ansible, make a sample inventory file and make a simple playbook Install Ansible Ubuntu: sudo add-apt-repository ppa:rquillo/ansible sudo apt-get update sudo apt-get install ansible fedora (from epel repository): sudo yum install ansible Set up SSH properly Ansible uses SSH, it is important to configure SSH View Article. Couchbase is a modern, fast, scalable, and easy to automate technology. The inventory is the most basic building block of Ansible architecture. We created an ssh key and then set up our instances with this key so we could use ssh, scp, and ansible. cfg must be created in the project directory and the path of the hosts file must be specified in it. Ansible requires an inventory list so it can identify your managed nodes. By default, the Ansible CLI will look for a system-wide Ansible inventory file in /etc/ansible/hosts. Each Playbook maps a group of hosts. Testing Ansible roles with Molecule - tutorial Molecule provides a clean way of testing Ansible roles which you write. It dynamically creates an Ansible inventory file configured to use SSH, runs an SSH server, executes ansible-playbook, and marshals Ansible plays through the SSH server to the machine being provisioned by Packer. Inventory File Basics. Next, you can set values for many of the variables you needed in your first Ansible command in the inventory, so you can skip them in the ansible-playbook command. inventory_path files should correspond, unless you use ansible. Step 6: Create an Ansible Inventory. Inventory file contains descriptions of your devices. First, create an ansible_config directory. Inventory and Hosts. Installing an OpenShift Origin Cluster on Fedora 25 Atomic Host: Part 1 by Dusty Mabe – Wednesday 7 December 2016 Introduction. The most complicated part of a role is recalling the directory structure, but there is help. The ansible. For these few minutes, let’s assume that we are using the default ansible inventory (which in Debian based system is placed in /etc/ansible/hosts). Once you have a working environment, you can make extensions and enhancements in small steps. This Ansible tutorial introduces Ansible beginners to basic fundamentals of Ansible. io community. cfg file looks like this: [defaults] inventory = hosts Creating the Ansible playbook. After building our test environment, we then move to more practical examples and features that Ansible provides. 0 training and certification course and become an expert in the open-source tool. Ansible is one such tool by which we can manage infrastructure through code which can be versioned and re-used. For the database server ansible dbserver -m -i inventory. Ansible is simple tool that can helps a lot system administrators and DevOps to manage their environments. The default path of the inventory file is /etc/ansible/hosts/ but we can also specify a different inventory file using -I on the command line. This part runs the "ansible" executable, one of the programs that comes in the full Ansible suite that you installed earlier. This is multipart series about Ansible, great tool for provisioning and configuration management. vim /home/admin/inventory. The Ansible Inventory File tells Ansible about the hosts that it can connect to. In this video we will revist the inventory file. inventory_path files should correspond, unless you use ansible. You can choose where you store the hosts file. yml -f 1 --ask-become-pass ansible-playbook – Command to run ansible playbooks. Why Ansible? Management of multiple Linux remote Hosts using SSH, in parallel. I will create a simple inventory file for this tutorial. This is a professional video course, created by an Automation Experts having 5+ years of experience in this field. Ansible manages our server inventory using the hosts file. After building our test environment, we then move to more practical examples and features that Ansible provides. The first step is to configure our Ansible environment using ansible. Both the ansible and ansible-playbook commands take the -i argument to specify another inventory file. Here is a simple inventory file containing a single system and the login credentials for Ansible. An inventory is a collection of hosts…optionally sorted into groups…potentially with variable data. For an overview of Ansible and how to install and. ansible all - m ping. 197 [db] 192. For the demo, we will setup the PostgreSQL replication cluster on three. org and host2. Based upon the type of inventory, Ansible is capable of pushing in bulk specific or full configs. To do local testing of Ansible playbooks, we can use Vagrant and Virtualbox. Also, Ansible allows you to automate the deployment and configuration of resources in your environment. Ansible's inventory hosts file is used to list and group your servers. The default inventory file located at /etc/ansible/hosts contains a sample inventory that you can view to get a good idea on different ways to annotate hosts in an inventory file. I have a host group named app in my Ansible inventory file, it has two hosts beneath it and the playbook is defined to run on all the hosts in my inventory with hosts: all. ansible all – m ping. eg: ansible-playbook -i inventory. Ansible Architecture. com/2016/11/tutorial-menggunakan-ansible-i/. The list of machines in the inventory can be found out through the following command: $ ansible --list-hosts all. inventory_path files should correspond, unless you use ansible. Ansible is a tool which helps you to automate server and cloud provisioning, configuration management and application deployment. We can group hosts in this inventory file. com Designed by Wall-Skills. Based upon the type of inventory, Ansible is capable of pushing in bulk specific or full configs. yml defaults/main $ popd Ansible Inventory File. ansible-playbook -i production myapp. It is a python script which queries GCE during the Ansible run time. For now I just add one host. The next important element in the architecture of ansible refers to Inventory. More info on Ansible Inventory can be found here. Leave a comment on below if it helps you to get the knowledge on configuring the Ansible Dynamic Inventory. Ansible¶ class nornir. Ansible User Handbook: Are you finding difficulty in remembering all the commands that you need in order to work with Ansible? Guys don't worry if you are a beginner and have no idea about how Ansible works, this Ansible cheat sheet will give you a quick reference of the basics that you must know to get started. You can efficiently run your IT configurations using the inventory file. For more tutorials and to request a demo, visit Rancher today. Before the session, I just had an idea about ansible, that it is used in sort of YAML deployment or something. Tower's REST API and CLI make it easy to embed Tower into existing tools and processes. Ansible tutorial: setup of user accounts, SSH and firewall with Ansible October 20, 2018 September 26, 2019 / Leave a Comment In the first part of this tutorial series, I showed you how to install the operating system image on a Hetzner root server using Ansible. First, create an ansible_config directory. This tutorial is prepared for the beginners to help them understand the basics of Ansible. Introduced in version 2. In build step of Jenkins job, select "Invoke Ansible Playbook" and specify the entries of Ansible installation name, playbook path, inventory file path, host subset pattern and the user to execute the command as shown in the below picture. Then, you'll discover the inventory, modules, ad-hoc commands, playbooks, run strategies, blocks and the vault. Ansible automatically puts all defined hosts in the aptly named group all. A short tutorial on how to use Vault in your Ansible workflow. 0 and post 2. Inventory location: By default, Ansible Inventory is described by a configuration file, in INI format, whose default location is in /etc/ansible/hosts. In this Ansible tutorial, we will go through every aspect of Ansible with real time examples. Then we are running the ansible-playbook command, with the user ubuntu, a specified private key, and most importantly: a specified Ansible inventory that only contains the public IP of the server we've just. Rackspace autoscale) Less reliance on / coupling with specific cloud provider. Inventory File Basics. As soon as you have this, you can use this as your host: ansible 127. yml defaults/main $ popd Ansible Inventory File. Ansible is agentless which makes it much easier to start out with. The first step is to configure our Ansible environment using ansible. This can be useful if you want to use separate inventory files for different purposes, or if you don’t have write access to the file under /etc. What Is Ansible Register? The Ansible register variables are used to store the output of a particular task. For more information, see “Building your own inventory”. Ansible is one of the simplest server provisioning and configuration management tools. Ansible is one such tool by which we can manage infrastructure through code which can be versioned and re-used. yml" and put my credentials in there. If you like to add any other variables/information into this Ansible Static Inventory article. Or maybe to contribute to the Galaxy project Ansible roles. To install, clone napalm-ansible into your ansible module path. "Infrastructure as Code" is the term used to describe managing infrastructure using code base. Setting up the inventory. To tell Ansible about the new hosts file, add -i ansible/hosts. A short tutorial on how to use Vault in your Ansible workflow. If you are using several servers, the file would look something. tags: devops tool ansible,devops,tools,ansible,tutorial,2019,ansible add remote hosts in inventory,add remote hosts,ansible remote host authentication method,automation tools,ansible_ssh_pass,ansible authentication using ssh key,ansible authentication with password,linuxtopic,linux topic,ansible hosts,ansible video turorial,ansible tower,ansible documentation,ansible family,ansble open source,. Linux and Unix tutorials for new and seasoned sysadmin. We’re going to use a local configuration so that you can quickly move your scripts and system information to a different control node. In the inventory file, you can group your managed nodes and use these groups to target specific hosts that make up your infrastructure. You may have several playbooks in your Ansible. When we say "all" we mean do this on all machines that are listed in the "inventory" file, which is the next part of the command. This has changed drastically between Ansible versions pre-2. This article talks about setting up the Ansible Dynamic Inventory script for Google Cloud. It will prompt a message the mentioned host file is empty. 23 This is the Ansible Inventory file, and it stores the hosts, and their mappings to the host groups. vim /home/admin/inventory. The ansible. It is basically a python script which makes an API call to get the instance information when you run the ansible commands. Another common way of referring to our Ansible Inventory file is to call it the hosts file. To copy remote to remote use the same command, as delegate_to (as remote source) and current inventory_host (as remote dest). Ansible is a modern configuration management tool that facilitates the task of setting up and maintaining remote servers. ini install_LAMP. If you are brand new to Ansible first read the tutorial for beginners. Testing Ansible roles with Molecule - tutorial Molecule provides a clean way of testing Ansible roles which you write. Module: A module is a Fundamental unit in Ansible. When it comes to Ansible inventory most of us are probably more familiar using the standard INI method. The inventory file contains, as the name suggests, the inventory of servers to be controlled by Ansible. Ansible expects this file in /etc/ansible by default. We can group hosts in this inventory file. “Infrastructure as Code” is the term used to describe managing infrastructure using code base. This is a guide to getting started with Ansible.