Provisioning Laptop(s) With Ansible


Setting up a new laptop manually takes a lot of time and there is a good chance of forgetting tweaks made to configuration files. It is good idea to automate it via a shell script or using configuration management tools like Ansible. It also makes easy to sync configuration across multiple systems.

Why Ansible?

Ansible is lightweight and provides only a thin layer of abstraction. It connects to hosts via ssh and pushes changes. So, there is no need to setup anything on remote hosts.

Writing A Playbook

You should check out Ansible documentation to get familiar with ansible and writing playbooks. Ansible uses yaml format for playbooks and it's human readable. Here is a simple playbook to install redis on ubuntu server.

hosts: all
sudo: True

tasks:
  - name: install redis
    apt: name=redis-server update_cache=yes

Here is a playbook which I use to configure my laptop. As the playbook needs to run locally, just run

ansible-playbook laptop-setup.yml -i localhost, -c local

Bootstrap Script

To automate provisioning, a bootstrap script is required to make sure python, ansible are installed, to download and execute playbook on the system.

sudo apt update --yes
sudo apt install --yes python python-pip

sudo apt install --yes libssl-dev
sudo -H pip install ansible

wget -c https://path/to/playbook.yml

sudo ansible-playbook setup.yml -i localhost, -c local

Now, to provision a laptop, just run the bootstrap script.

sh -c "$(wget https://path/to/bootstrap_script.sh"

You can use a git repo to track changes in playbook and bootstrap script. If you are using multiple laptops, running bootstrap script on them will make sure everything is synced across them.



I am Chillar Anand. I daydream a lot and write about the things that interest me here. You can read more about this blog here.

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