Part 4: Managing Encrypted YAMAL data with Ansible-Vault
We’ve compiled a series on Ansible, title ‘ Preparation for the Deployment of your IT Infrastructure with Ansible IT Automation Tool‘, through parts 1-4 and covers the following topics.
For example, let’s say you need to deploy a single software or multiple software to 100’s of nodes by a single command, here ansible comes into picture, with the help of Ansible you can deploy as many as applications to many nodes with one single command, but you must have a little programming knowledge for understanding the ansible scripts. What’s the Use of AnsibleĪnsible can be used in IT infrastructure to manage and deploy software applications to remote nodes. Playbooks are bunch of commands which can perform multiple tasks and each playbooks are in YAML file format. But, in some cases, where you required to execute multiple commands for a deployment, here we can build playbooks.
The controlling machine (Ansible) deploys modules to nodes using SSH protocol and these modules are stored temporarily on remote nodes and communicate with the Ansible machine through a JSON connection over the standard output.Īnsible is agent-less, that means no need of any agent installation on remote nodes, so it means there are no any background daemons or programs are executing for Ansible, when it’s not managing any nodes.Īnsible can handle 100’s of nodes from a single system over SSH connection and the entire operation can be handled and executed by one single command ‘ansible’. The location of nodes are specified by controlling machine through its inventory. The controlling machine, where Ansible is installed and Nodes are managed by this controlling machine over SSH. There are many similar automation tools available like Puppet, Capistrano, Chef, Salt, Space Walk etc, but Ansible categorize into two types of server: controlling machines and nodes. Install Ansible in Linux How Ansible Works? Today, most of the IT Automation tools runs as a agent in remote host, but ansible just need a SSH connection and Python (2.4 or later) to be installed on the remote nodes to perform it’s action. Ansible is an open source, powerful automation software for configuring, managing and deploying software applications on the nodes without any downtime just by using SSH.