Nagios is one of the most used tools for controlling the status of services and servers. Nagios is capable of regularly auditing the state of servers and services and notifying users in case of problems. If you have Nagios in your environment, you need to be very careful when you administer your machines, because in cases where Nagios finds servers or services in an unhealthy state, it will start sending emails and SMS and making calls to your team. When you run Ansible scripts against nodes that are controlled by Nagios, you have to be even more careful, because you risk emails, SMS messages, and calls being triggered during the night or other inappropriate times. To avoid this, Ansible is able to notify Nagios beforehand, so that Nagios does not send notifications in that time window, even if some services are down (for instance, because they are rebooted) or other checks...
Learning Ansible 2.7 - Third Edition
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Learning Ansible 2.7 - Third Edition
By:
Overview of this book
Ansible is an open source automation platform that assists organizations with tasks such as application deployment, orchestration, and task automation. With the release of Ansible 2.7, even complex tasks can be handled much more easily than before.
Learning Ansible 2.7 will help you take your first steps toward understanding the fundamentals and practical aspects of Ansible by introducing you to topics such as playbooks, modules, and the installation of Linux, Berkeley Software Distribution (BSD), and Windows support. In addition to this, you will focus on various testing strategies, deployment, and orchestration to build on your knowledge. The book will then help you get accustomed to features including cleaner architecture, task blocks, and playbook parsing, which can help you to streamline automation processes. Next, you will learn how to integrate Ansible with cloud platforms such as Amazon Web Services (AWS) before gaining insights into the enterprise versions of Ansible, Ansible Tower and Ansible Galaxy. This will help you to use Ansible to interact with different operating systems and improve your working efficiency.
By the end of this book, you will be equipped with the Ansible skills you need to automate complex tasks for your organization.
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Current Title:
Learning Ansible 2.7 - Third Edition
Table of Contents (18 chapters)
Preface
Free Chapter
Section 1: Creating a Web Server Using Ansible
Getting Started with Ansible
Automating Simple Tasks
Section 2: Deploying Playbooks in a Production Environment
Scaling to Multiple Hosts
Handling Complex Deployment
Going Cloud
Getting Notification from Ansible
Section 3: Deploying an Application with Ansible
Creating a Custom Module
Debugging and Error Handling
Complex Environments
Section 4: Deploying an Application with Ansible
Introducing Ansible for Enterprises
Getting Started with AWX
Working with AWX Users, Permissions, and Organizations
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