What are Ansible Playbooks Ansible playbooks are text files or configuration files that are written in particular format called YAML. These are expressed in the YAML format and have a minimum of syntax, which is
What is YAML? YAML Ain’t Markup Language (YAML) is often called a data serialization language. It was intended to be human-readable and organize data into a structured format. Programming languages can understand the content of
Ansible is not a full-fledged programming language, but it does have several programming language features, and one of the most important of these is variable substitution. There are different types of variables available in Ansible
Ansible facts is a term used for system information of the managed nodes. Now the system information could be about OS distribution, release, processor, IP address etc. The task of colleting this remote system information is
Jinja2 is a very popular and powerful Python-based template engine. Since Ansible is written in Python, it becomes the default choice for most users, just like other Python-based configuration management systems, such as Fabric and
In all the examples till now we have used password less communication by setting up a passphrase with no password. So that the controller is able to communicate with the managed nodes without prompting for
If you remember during the Lab Environment setup with Pre-requisites I had mentioned that Python is a mandatory pre-requisite to be able to work with Ansible. Now not necessarily but you do have a work
Inventory contains a list of hostname or IP addresses and follows INI format. In Ansible, we have static and dynamic inventory. Even ad hoc actions performed on the localhost require an inventory, though that inventory
There are certain pre-requisites before we start with the installation and configuration of Ansible in our setup. Control Node Requirements Currently Ansible can be run from any machine with Python 2 (version 2.7) or