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Ansible for Real-Life Automation

Ansible for Real-Life Automation

By : Gineesh Madapparambath
3.9 (7)
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Ansible for Real-Life Automation

Ansible for Real-Life Automation

3.9 (7)
By: Gineesh Madapparambath

Overview of this book

Get ready to leverage the power of Ansible’s wide applicability to automate and manage IT infrastructure with Ansible for Real-Life Automation. This book will guide you in setting up and managing the free and open source automation tool and remote-managed nodes in the production and dev/staging environments. Starting with its installation and deployment, you’ll learn automation using simple use cases in your workplace. You’ll go beyond just Linux machines to use Ansible to automate Microsoft Windows machines, network devices, and private and public cloud platforms such as VMWare, AWS, and GCP. As you progress through the chapters, you’ll integrate Ansible into your DevOps workflow and deal with application container management and container platforms such as Kubernetes. This Ansible book also contains a detailed introduction to Red Hat Ansible Automation Platform to help you get up to speed with Red Hat AAP and integration with CI/CD and ITSM. What’s more, you’ll implement efficient automation solutions while learning best practices and methods to secure sensitive data using Ansible Vault and alternatives to automate non-supported platforms and operations using raw commands, command modules, and REST API calls. By the end of this book, you’ll be proficient in identifying and developing real-life automation use cases using Ansible.
Table of Contents (22 chapters)
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1
Part 1: Using Ansible as Your Automation Tool
6
Part 2: Finding Use Cases and Integrations
16
Part 3: Managing Your Automation Development Flow with Best Practices

Automating PostgreSQL operations

With the help of the modules in the community.postgresql collection, it is possible to automate more database maintenance and operations. Let’s take a closer look.

Managing PostgreSQL remote access

Database servers are accessed by applications on remote nodes and this access needs to be configured appropriately and securely. For a test environment, allow wildcard entries (for example, 0.0.0.0/0), but this is not a recommended practice for production servers. You need to configure the correct IP address or hostname to allow or restrict access to the database. This operation can be automated using the community.postgresql.postgresql_pg_hba module, as follows:

Figure 8.30 – Grant user access to database

Managing the pg_hba entries using Ansible will allow you to handle the entire life cycle of the database and its access.

Next, we will learn how to take automated database backups.

Database backup and...

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