Ansible.md

 Ansible

Ansible is a suite of software tools that enables infrastructure as code. It is open-source and the suite includes software provisioning, configuration management, and application deployment functionality

Install process

Install process here in follow link https://docs.ansible.com/ansible/latest/installation_guide/installation_distros.html#installing-ansible-on-specific-operating-systems

brew install ansible

Create a pair of ssh keys and install in our servers

Creation:

ssh-keygen

Install in selected server:

ssh-copy-id [email protected]

Create computer inventory

Create a file in /etc/ansible/hosts with a content like:

[dev]
192.168.10.1

[prod]
192.168.30.1

Basic commands

ping:

ansible all -m ping

192.168.10.1 | SUCCESS => {
    "ansible_facts": {
        "discovered_interpreter_python": "/usr/bin/python3"
    },
    "changed": false,
    "ping": "pong"
}
192.168.30.1 | SUCCESS => {
    "ansible_facts": {
        "discovered_interpreter_python": "/usr/bin/python3"
    },
    "changed": false,
    "ping": "pong"
}

shell command:

ansible dev -m shell -a "/bin/echo hello"

192.168.10.1 | CHANGED | rc=0 >>
hello

shell command as root with ask password:

ansible all --become --ask-become-pass -m shell -a "sudo dmesg"