Ansible Inventory Tutorial

So, we run the ansible-playbook command against the test. 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. cfg to point to /etc/ansible/hosts and it still says no hosts found when calling ansible windows -m ping (or win_ping for that matter). Inventory File Basics. More details refer to Ansible tutorial. txt file from location /opt/ashah/ to remote host 192. Raise refund. From the ansible usage:-i INVENTORY, --inventory=INVENTORY specify inventory host path or comma separated host list. Creating an inventory file¶. 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). Ansible local_action sudo: If we want to make anisible use the remote user for local_action, use the -u option while running playbook. When used with a manually deployed environment, host details take the form: app101 ansible_host=10. If you see a lot of output, you can go to /etc/ansible/hosts and comment out all the listed inventory. BONUS: download the Ansible Roles cheat sheet below! The anatomy of an Ansible role. Thought the article, you can use Ansible tutorial beginners as above. 197" > hosts. In case you haven’t, please do check it out so that you can get a better understanding of this Ansible Tutorial. When it comes to Ansible inventory most of us are probably more familiar using the standard INI method. but sometimes not all of them! So, in this tutorial we will shown you how to create custom Ansible modules. 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. Answer: Ansible Playbook is a really simple configuration management and multi-machine deployment system. The inventory in Ansible is where the nitty-gritty details of the machines are listed. Installing an OpenShift Origin Cluster on Fedora 25 Atomic Host: Part 1 by Dusty Mabe – Wednesday 7 December 2016 Introduction. It also divides them in groups so that different machines can be provisioned differently. Creating vSphere VM’s using Ansible 5 minute read I am putting this out here in case anyone else may be interested in spinning up some VM’s using Ansible. The Ansible guide includes Playbook examples to get you up and running right away. This video explains you all about ANSIBLE INVENTORY - What is Ansible Inventory and How to use of it - Ansible Tutorials for Beginners. It is also referred to as "Task Plugins" or " Library Plugins". For more details on building inventory files, see the introduction to inventory; for more details on ansible-vault, see the full Ansible Vault documentation. 0:09 that you're going to run your playbook against. The list of machines in the inventory can be found out through the following command: $ ansible -list-hosts all. python tutorial ansible. Creating an inventory file¶. Ansible ad hoc command with inventory. Ansible Tower offers use a UI where we can see all the pushes that have gone into the server. Once you have created an inventory file and populated it, ansible can use it. For some reason, the conversion ended up with host ranges ([01:03]) being seperated by = instead of the shown and correct :. Ansible is a simple and powerful automation engine. This is how our inventory file looks like:. In this tutorial, we are going to show you how to deploy an AngularJS application using Ansible. But in this example, instead of the default inventory location I will be using another location. 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 Ansible training course demonstrates the flexibility and power of the Ansible configuration management system, and how it can be used to build and scale highly reliable infrastructure for your own environments and projects. ansible -i /project/ansible/myhosts -m ping all. 4 and connecting to vCenter 6. This tutorial covers step by step installation and configuration of Ansible on Redhat Enterprise Linux 8. Ansible’s inventory hosts file is used to list and group Demon How To In this tutorial you will lean the steps to. Then, you'll discover the inventory, modules, ad-hoc commands, playbooks, run strategies, blocks and the vault. Ansible Tutorial. Next steps. You can also change the default inventory file in ansible configuration file. Ansible can be used to pull inventory information from various sources (including cloud sources such as Azure) into a dynamic inventory. This is part 2 in the series: Kong Up and Running In the previous post we set up Kong using Docker and Docker Compose. Avoid writing scripts or custom code to deploy and update your applications— automate in a language that approaches plain English, using SSH, with no agents to install on remote systems. Our inventory has 3 groups of hosts: logstash, kibana, and elasticsearch. We need to populate an inventory file so that Ansible can reach our environment hosts. The Basics of Creating an Ansible Module. Here myex is group name which covers hosts listed below. Inventory file contains descriptions of your devices. 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. Installing an OpenShift Origin Cluster on Fedora 25 Atomic Host: Part 1 by Dusty Mabe – Wednesday 7 December 2016 Introduction. After you've installed Ansible, then you'll want Ansible to know which servers to connect to and manage. The file can also be static or created dynamically by a script. I'll create a YAML file, called "creds. Now that you step up the basic knowledge of Ansible’s basics (Playbooks, roles and inventories) we’re ready to do some cool things with Ansible. You will be introduced to YAML. Add this host (192. Both, AWX and Ansible Tower have similar features. Being able to improve application deployments, reduce infrastructure downtime, and. Before the session, I just had an idea about ansible, that it is used in sort of YAML deployment or something. Here is the customized Ansible inventory file with two hosts grouped as webservers. So that, it may useful to others. This Ansible tutorial introduces Ansible beginners to basic fundamentals of Ansible. In this tutorial you have access to one host named host01. The Ansile inventory file is one of the most important pieces of your setup. We will go step by step from getting the Ubuntu server setup, installing and running. Here is a simple inventory file containing a single system and the login credentials for Ansible. In this video we will revist the inventory file. ini install_LAMP. Follow our Youtube Channel for more about Ansible Tutorials : Check out the below Video for More about Ansible Static Inventory. com - Knowledgable 1-Pagers $ansible call a shell command:-a "$command". just using plain-old SSH). 0 training and certification course and become an expert in the open-source tool. In this Guide We Will Get Started With Ansible Playbooks With Very Easy to Understand Examples. 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. vim /home/admin/inventory. Once host is started wait for 30 seconds to check for 22 port is open or not and timeout that ssh connection after 15 seconds. We cover some basic configurations of Ansible AWX that you must know, such as setup credentials, inventories, setup and run job templates etc. Do you know how Ansible works? Well, before we walk you through how to setup dynamic inventory, here's some food for thoughts on Ansible Configuration Management System A user using configuration management system will often want to save inventory in a different software system. The tower is free for usage till 10 nodes. become_user defines the user which is being used for Become [crayon-5da06febc754e427360928/] this task will be executed as the root user. In the inventory file, you can group your managed nodes and use these groups to target specific hosts that make up your infrastructure. In case you haven’t, please do check it out so that you can get a better understanding of this Ansible Tutorial. When it comes to Ansible inventory most of us are probably more familiar using the standard INI method. ini install_LAMP. Module: A module is a Fundamental unit in Ansible. Mastering Ansible Pdf download is the Networking Cloud Computing Tutorial pdf published by Packt Publishing Limited, United Kingdom, 2015 , the author is Jesse Keating. Ansible playbooks. To make sure you have a root login to all listed hosts in inventory use below command; # ansible all -m shell -a id. This will give you dynamic inventory details to manage the AWS infrastructure. In a my previous post “Current state of the Ansible inventory and how it might evolve” I explained some parts of the Ansible Inventory internals, and pointed out some features I would like to improve. boto file as previously, Ansible will work. It's -i because the hosts file is known as your inventory. Tutorial on how to manage Static and Dynamic host inventory in ansible. That means that it does not matter the number of hosts in the inventory, as long as the groups are correct the playbook will run. So, you need a server that already has been installed Ansible AWX. Red Hat Ansible. Example playbook will look something like that:. The tower is free for usage till 10 nodes. A short tutorial on how to use Vault in your Ansible workflow. 197" > hosts. Modules can do things like install software, copy files, use templates and much more. It does this by selecting portions of systems listed in Ansible's inventory file, which defaults to being saved in the location /etc/ansible/hosts. Please do comment on the below. yml" and put my credentials in there. 0 training and certification course and become an expert in the open-source tool. Inventory: Inventory is nothing more than a list of the server IP addresses that contains all node IP's. Menu Part 2: Defining our Kong API Gateway with Ansible 03 February 2016 on kong, microservices, tutorial, ansible. Ansible needs to know what machines you’re going to be managing. Ansible host management is simpler by far than all other configuration management and orchestration tools. This tutorial is prepared for the beginners to help them understand the basics of Ansible. Ansible - Introduction 1. With larger inventories it can get quite complex, but we are only working towards launching a basic role at this time. ansible windows -m win_ping. Ansible expects the inventory file to be in an INI-like format and named hosts. 0 Serge van Ginderachter | 20/12/2016. 78 ansible_user=root. Sample Hosts File This is the content of hosts file:. Playbooks are YAML files that express configurations, deployment, and orchestration in Ansible, and allow Ansible to perform operations on managed nodes. You can specify the location of the inventory file using '-i ' argument. Every ansible documentation would outline the role of inventory in ansible. For now I just add one host. Ansible ad hoc ping. In this article you will learn how to install your own server infrastructure (in this tutorial it’s Docker) on a remote server (in this tutorial we will do it in the Google Cloud) using Ansible without executing a single command on the remote server manually. This part runs the "ansible" executable, one of the programs that comes in the full Ansible suite that you installed earlier. Ansible inventory is defined in /inventory/IBMCloud_inv. Note: We are pointing the ansible to localhost because we want to test the file present on localhost. ansible Tutorial ansible YouTube This modified text is an extract of the original Stack Overflow Documentation created by following contributors and released under CC BY-SA 3. In this article we will look at basics of Ansible and we will cover some more extensive features in later tutorials. Alternatively an Ansible dynamic inventory script can be used. Ansible is an open source community project sponsored by Red Hat, it's the simplest way to automate IT. Install Ansible Tower Step by Step Guide RHEL 7/Centos 7. Once you have a working environment, you can make extensions and enhancements in small steps. 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. This document assumes you're familiar with the following concepts: Google Cloud Engine; Ansible gce module; Automated workflow to provision a GCE instance with. In this article, I will use the Ansible Inventory shown in Example 2 to perform actions against the desired hosts (which has been paired down for brevity):. A short word about Ansible tutorial This is multipart series about Ansible, great tool for provisioning and configuration management. In an Ansible inventory file, any [section] represents a group of hosts. group_vars/all is used to set variables that will be used for every host that Ansible is ran against. 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. The ini syntax is one host per line. You can optionally specify an inventory file (see Inventory) other than /etc/ansible/hosts: 1. Ansible host management is simpler by far than all other configuration management and orchestration tools. We need an inventory file to let Ansible to know which servers it needs to. Setup Ansible AWS Dynamic Inventory. Based upon the type of inventory, Ansible is capable of pushing in bulk specific or full configs. Ansible is a radically simple IT automation platform that makes your applications and systems easier to deploy. This is a guide to getting started with Ansible. To do local testing of Ansible playbooks, we can use Vagrant and Virtualbox. Ansible is agentless which makes it much easier to start out with. However, Ansible will consider only the main. Ansible is an open source community project sponsored by Red Hat, it's the simplest way to automate IT. To get around this problem, we can make use of Ansible’s ability to populate an in-memory inventory, using the add_host module, with information it generates while creating new instances. To understand the goal of the project, you’d better start from the first part. Make sure you are logged onto the Control node as the admin user. cfg file located in the Ansible folder I'm working in. It is basically a simple. group_vars/all is used to set variables that will be used for every host that Ansible is ran against. Kubernetes from scratch to AWS with Terraform and Ansible (part 2) This post is the second of a series of three tutorial articles introducing a sample, tutorial project, demonstrating how to provision Kubernetes on AWS from scratch, using Terraform and Ansible. Step 9: Create a demo inventory for Ansible. Sample Hosts File This is the content of hosts file:. Managing a dynamic inventory file for Vagrant boxes. So first we will create a hosts file that contains the various hosts Ansible will be responsible for. Of course Ansible supports all major distribution package managers, so we could easily adapt this to use something other than apt. 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. You can set the port either through your. Next, we need an inventory file. Ansible-vault allows you to more safely store sensitive information in a source code repository or on disk. Ansible provides a bunch of modules which cover most of your needs. Ansible actions (“tasks”) are implemented in so-called. yml: This playbook does all the heavy lifting. 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. We are only going to update two files for this exercise. Ansible acts as a stabilized engine where every software application can be nicely deployed. Red Hat Ansible. To get started, you will set up and configure an Ansible server. Cloud DevOps: Using Packer, Ansible/SSH and AWS command line tools to create and DBA manage EC2 Cassandra instances in AWS. You will then go through the major features of Ansible: Playbook and Inventory. The Ansible course introduces a beginner to basic fundamental of Ansible that you can easily do hands-on exercises right in the browser. limit option to reference the correct machines. It makes it easy for administrators and operations teams to control thousands of servers from central machine without. Have a great begin with Ansible Automation. 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. Alternatively an Ansible dynamic inventory script can be used. # run against staging environment ansible-playbook -i hosts/staging/inventory playbook1. yml # run against production environment, limiting only to database ansible-playbook -i hosts/production/inventory --limit database playbook2. Ansible also uses the following Python modules that need to be installed: $ sudo pip install paramiko PyYAML jinja2 httplib2 Once running the env-setup script you’ll be running from checkout and the default inventory file will be /etc/ansible/hosts. Here myex is group name which covers hosts listed below. General Ansible concepts like playbook or inventory are shortly explained in the introduction of Ansible With Vagrant. 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. Ask Question Ansible-inventory gcp_compute plugin underscore added to host group name. Ansible: access group vars for groups the current host is not a member of. If you see a lot of output, you can go to /etc/ansible/hosts and comment out all the listed inventory. If you’re unfamiliar with the concept of an Ansible role, view Ansible Roles. You can specify the location of the inventory file using '-i ' argument. Ansible With Vagrant: Ansible With Vagrant allows to provides the guest using Ansible Playbooks by executing Ansible Playbook from Vagrant host. 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. In this article, we’ll look at various Ansible modules that can be used to fetch information from Cisco IOS devices: ios_facts, snmp_facts and ios_command. This course. You can use ansible's verbose mode to see more of what it's doing by default:. Ansible: Post-Install Setup Inventory hosts file. 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. It follows the INI format and tells Ansible whether the remote host or hosts provided by the user are genuine or not. Ansible - Introduction 2. To install, clone napalm-ansible into your ansible module path. In this article we will install and configure Ansible Tower on CentOS 7, Red Hat Enterprise Linux (RHEL). For the implicit method, you have to be a little bit more versed in Ansible to realize that it works like this. This is multipart series about Ansible, great tool for provisioning and configuration management. Ansible is agentless which makes it much easier to start out with. I have also uncommented the inventory location in ansible. 78 ansible_user=root. Wait until your box will be up and running. Introduced in version 2. Using this feature of Ansible, you have the flexibility in specifying the nodes on which you want to run the Ansible Playbooks. It integrates with a Terraform Inventory script to connect machines in your Terraform state to Ansible. Inventory file. txt file from location /opt/ashah/ to remote host 192. In this file you tell Ansible that these are my hosts or nodes and your (Ansible) job is to manage this hosts. Once host is started wait for 30 seconds to check for 22 port is open or not and timeout that ssh connection after 15 seconds. This will depend on your own setup and contents of your ansible. Ansible/Vagrant/Dynamic Inventory - dynamic inventory uses something like an API or a database to obtain information about the machines that Ansible is managing. # staging/inventory [server] localhost ansible_connection=local Organizing Group Vars Files in Ansible By Osvaldo Toja September 14, 2014 13 Comments. yml # skip certain tags, that you are sure won't change anything # really helpful for speeding up testing ansible. yml: This is the controller playbook. Groups headers are allowed and are included on their own line, enclosed in square brackets that start the line. Inventory File. This will give you dynamic inventory details to manage the AWS infrastructure. This tutorial illustrates how to get started developing an Ansible module in Python. So without further ado, let’s jump right in to the no BS series of Ansible tutorial. txt file from location /opt/ashah/ to remote host 192. For example, you can combine Ansible and Skytap to: Set up user accounts on VMs. Login as admin user and password set in the inventory file. Ansible - Introduction 1. The only thing I highly recommend is using roles instead of tasks, this will give your flexibility and better organization of your code. In this case, we only have one machine which is our local computer, where we’re running Ansible from. This will give you dynamic inventory details to manage the AWS infrastructure. Red Hat Ansible. 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. It is also used to manage and configure software applications. Ansible Inventory. If you have setup your ~/. Ansible is the only automation language that can be used across entire IT teams from systems and network administrators to developers and managers. If you want to use another inventory file you can specify it during execution by using -i. echo "[group1]" > myhosts. Inventory File. To become more flexible, Ansible offers the possibility to use variables in loops, but also to use information the target system provides. This is multipart series about Ansible, great tool for provisioning and configuration management. An inventory is a collection of hosts…optionally sorted into groups…potentially with variable data. “Automation is not magic” --me. AnsibleInventory (hostsfile: str = 'hosts', *args. In this course," Beginner's Guide To Automation With Ansible," you are going to learn about the significance of automation in software development. By default the file /etc/ansible/host is your inventory. The Ansible project has an OpenStack dynamic inventory script available which we can use to integrate Ansible with the Catalyst Cloud. Inventory files are the way to specify connection to the servers for Ansible. cfg to point to /etc/ansible/hosts and it still says no hosts found when calling ansible windows -m ping (or win_ping for that matter). We need an inventory file to let Ansible to know which servers it needs to. It also divides them in groups so that different machines can be provisioned differently. The last time we talked about Ansible (with Ansible Playbook TLS Tutorial is shown below) we advised to read about the subject “Inventory”. Make sure you are logged onto the Control node as the admin user. This has been helpful. In my humble opinion the Ansible documentation is nice and there are a lot of training, tutorials, webinars that can help develop the skills about Ansible. the Playbook would be run against all the host groups specified in my inventory file. We have our biggest release to-date with new modules supporting a wide range of Azure services. Ansible is simple tool that can helps a lot system administrators and DevOps to manage their environments. 1 deploy your local machine). 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. Background Ansible uses variables to enable more flexibility in playbooks and roles. I just discovered Ansible INI to YAML inventory converter on github which worked fine for me: This repository contains a Python script for converting Ansible inventories in INI format to YAML format. They take arguments in one of several ways which we’ll go into as we work through this tutorial. yteraoka / ansible-tutorial. In Ansible you can access other host variables using hostvars The inventory. In dynamic environments, such as a cloud-hosted setup, Ansible variables give administrators organization and fine-grained control over host configurations. So, you need a server that already has been installed Ansible AWX. An inventory file is the source of truth for Ansible (there is also an advanced concept called dynamic inventory, which we will cover later). Ansible is a radically simple IT automation platform that makes your applications and systems easier to deploy. Background Ansible uses variables to enable more flexibility in playbooks and roles. Tutorial on how to manage Static and Dynamic host inventory in ansible. So next up is to set up inventory in Ansible to run configuration on all these servers. This cheat sheet-style guide provides a quick reference to commands and practices commonly used when working with Ansible. For instance, you could have hosts www1 and www2, assembled in group webservers, and later reference the group or individual hosts, depending on your needs. Create a directory called inventory and make a file called hosts inside that directory. It is also used to manage and configure software applications. Some may use inventory_hostname instead of ansible_ssh_host variable to poll host identity. In this tutorial series we will use Ansible to setup a Flask website with a database on an Ubuntu 16. Note: Ensure that Ansible knows where to find your inventory file. become_user defines the user which is being used for Become [crayon-5da06febc754e427360928/] this task will be executed as the root user. An ad-hoc command is a single Ansible task to perform quickly, but don’t want to save for later. 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. Inventory pada ansible Inventory adalah file hosts. The last time we talked about Ansible (with Ansible Playbook TLS Tutorial is shown below) we advised to read about the subject “Inventory”. # staging/inventory [server] localhost ansible_connection=local Organizing Group Vars Files in Ansible By Osvaldo Toja September 14, 2014 13 Comments. After you've installed Ansible, then you'll want Ansible to know which servers to connect to and manage. Ansible Tower is a commercial version based on AWX by Red Hat. These Ansible tutorials are tried and tested by the community members who are budding or expert programmers themselves. 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 is an open-source IT engine which automates the IT tools such as intra service orchestration, application deployment, cloud provisioning, etc. If 'x' is a small number, you could easily hand-craft the inventory file, but once this number gets into tens of instances it becomes onerous. Ansible local_action sudo: If we want to make anisible use the remote user for local_action, use the -u option while running playbook. Or maybe to contribute to the Galaxy project Ansible roles. You will then go through the major features of Ansible: Playbook and Inventory. The best way to increase my DevOps skill. This means you cannot use ansible to connect to a remote machine via telnet and execute any of the ansible modules. More details refer to Ansible tutorial. Setting up the inventory. The ansible. Ansible With Vagrant: Ansible With Vagrant allows to provides the guest using Ansible Playbooks by executing Ansible Playbook from Vagrant host. You will begin by learning about the Ansible client-server architecture. It also divides them in groups so that different machines can be provisioned differently. In ansible, this file is called Inventory file. What is Ansible? Ansible tutorial guide for beginners in different formats such as YouTube Video, PDF, PPT, eBook, Infographic and more. Design, build, and automate 10 real-world OpenStack administrative tasks with Ansible Most organizations are seeking methods to improve business agility because they have realized just having a cloud is not enough. In these situations, Ansible ad-hoc commands are really helpful. Using Ansible you can provision virtual machines, containers, and network and complete cloud infrastructures. We can group hosts in this inventory file. ansible Tutorial ansible YouTube This modified text is an extract of the original Stack Overflow Documentation created by following contributors and released under CC BY-SA 3. Learn with Simplilearn’s online Ansible 2. 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). “Infrastructure as Code” is the term used to describe managing infrastructure using code base. cfg file which tells ansible where to look for modules. You will be introduced to YAML. Ansible inventories are written in simple INI format; they take IP addresses or DNS hostnames in, and can group the machine inventory associated therein with the project as desired (Listing 8). As things are set up this is designed to have Ansible inventory groups map to Nagios Host groups, adding each server underneath only one inventory group that describes it best. The Ansible Inventory File tells Ansible about the hosts that it can connect to. One of the most important concepts is the inventory. The next key is "apt". yml: This playbook does all the heavy lifting. On Crunchify, we have published so number of tutorials on Ansible and this one is going to focus on How to Refresh Host Inventory at Runtime and Add a Pause while Executing Tasks. Once you have a working environment, you can make extensions and enhancements in small steps. All you need is SSH access and Python installed on the relevant machines. 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. Here myex is group name which covers hosts listed below. In this article you will learn how to install your own server infrastructure (in this tutorial it’s Docker) on a remote server (in this tutorial we will do it in the Google Cloud) using Ansible without executing a single command on the remote server manually. We put this information in an inventory file so that Ansible has all the information it needs to connect and perform operations on our machines. In case you haven’t, please do check it out so that you can get a better understanding of this Ansible Tutorial. This problem has always been solvable using a script to generate inventory, but Ansible 2. Ansible can work with multiple servers at the same time but the challenge is how to classify the servers. Inventory files are the way to specify connection to the servers for Ansible. A playbook is made up of one or more "plays. 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. [[email protected] ansible]# ansible-playbook -i inventory/hosts master. Ansible Become Tutorial in ansible become is used for privilege escalation become set to yes to activate privilege escalation. ssh/config file or in your inventory, like so: hosts [servers] myserver ansible_port=2222 ansible_host=192. Also, Ansible allows you to automate the deployment and configuration of resources in your environment. Managing a dynamic inventory file for Vagrant boxes.