Chapter 10. Introduction to Ansible

Ansible is a configuration management solution developed by Michael DeHaan (also known for the Cobbler deployment system). Ansible is commercially supported by Ansible, Inc.

Topics covered in this chapter include the following:

• Ansible architecture

• Ansible groups

• Ansible ad hoc command execution

• Ansible playbooks

• Ansible roles

• Ansible Galaxy

Ansible Architecture

Ansible is written in Python, and it is an agentless solution. The server where Ansible is installed is referred to as the controller, and the servers to which instructions are to be deployed are referred to as managed nodes. Deployment instructions are written in YAML. The controller’s instructions are executed on the managed nodes using ...

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