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Ansible Playbook Essentials

You're reading from   Ansible Playbook Essentials Design automation blueprints to manage your multitier infrastructure

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Product type Paperback
Published in Aug 2015
Publisher
ISBN-13 9781784398293
Length 168 pages
Edition 1st Edition
Tools
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Author (1):
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Gourav Shah Gourav Shah
Author Profile Icon Gourav Shah
Gourav Shah
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Toc

Table of Contents (14) Chapters Close

Preface Setting Up the Learning Environment 1. Blueprinting Your Infrastructure FREE CHAPTER 2. Going Modular with Ansible Roles 3. Separating Code and Data – Variables, Facts, and Templates 4. Bringing In Your Code – Custom Commands and Scripts 5. Controlling Execution Flow – Conditionals 6. Iterative Control Structures – Loops 7. Node Discovery and Clustering 8. Encrypting Data with Vault 9. Managing Environments 10. Orchestrating Infrastructure with Ansible A. References
Index

Ansible-vault


Ansible provides a utility named Ansible-vault, which as the name suggests, lets you manage data securely. The Ansible-vault utility can either let you create an encrypted file by launching an editor interface, or encrypt an existing file. In either case, it will ask for a vault password, which is then used to encrypt the data with the AES cipher. The encrypted contents can be stored in a version control system without being compromised. Since the AES is based on shared secret, the same password needs to be provided for decryption too. To provide the password, there are two options, while launching Ansible, run the --ask-vault-pass option to prompt for the password, and the --vault-password-file option to provide the path to the file that contains the password.

Advanced Encryption Standard

Advanced Encryption Standard (AES) is an encryption standard based on the Rijndael symmetric block cipher, named after, and developed by, two Belgian cryptographers—Vincent Rijmen and Joan...

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