Ansible vs Capistrano: What are the differences?
What is Ansible? Radically simple configuration-management, application deployment, task-execution, and multi-node orchestration engine. Ansible is an IT automation tool. It can configure systems, deploy software, and orchestrate more advanced IT tasks such as continuous deployments or zero downtime rolling updates. Ansible’s goals are foremost those of simplicity and maximum ease of use.
What is Capistrano? A remote server automation and deployment tool written in Ruby. Capistrano is a remote server automation tool. It supports the scripting and execution of arbitrary tasks, and includes a set of sane-default deployment workflows.
Ansible and Capistrano can be categorized as "Server Configuration and Automation" tools.
Some of the features offered by Ansible are:
- Ansible's natural automation language allows sysadmins, developers, and IT managers to complete automation projects in hours, not weeks.
- Ansible uses SSH by default instead of requiring agents everywhere. Avoid extra open ports, improve security, eliminate "managing the management", and reclaim CPU cycles.
- Ansible automates app deployment, configuration management, workflow orchestration, and even cloud provisioning all from one system.
On the other hand, Capistrano provides the following key features:
- Reliably deploy web application to any number of machines simultaneously, in sequence or as a rolling set
- Automate audits of any number of machines (checking login logs, enumerating uptimes, and/or applying security patches)
- Script arbitrary workflows over SSH
"Agentless" is the top reason why over 251 developers like Ansible, while over 122 developers mention "Automated deployment with several custom recipes" as the leading cause for choosing Capistrano.
Ansible and Capistrano are both open source tools. It seems that Ansible with 37.8K GitHub stars and 15.8K forks on GitHub has more adoption than Capistrano with 11.1K GitHub stars and 1.72K GitHub forks.
PedidosYa, Keen, and New Relic are some of the popular companies that use Ansible, whereas Capistrano is used by New Relic, Movielala, and Repro. Ansible has a broader approval, being mentioned in 955 company stacks & 578 developers stacks; compared to Capistrano, which is listed in 295 company stacks and 81 developer stacks.
What is Ansible?
What is Capistrano?
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Ansible is the deployment tool for people who don't like deployment tools. It's close to scripting, doesn't pollute your servers with agents or centralized servers, and just makes immediate sense. The entire stack at Cloudcraft.co is orchestrated by Ansible. What does that mean? Beyond the obvious of installing packages and configuring services, Ansible coordinates all the machines into a working deployment: It adds API servers to the loadbancer pool, opens ports on the DB server for the backend servers to connect, gracefully upgrades services in a rolling fashion for zero-downtime deployments etc. And it's so easy to use, it's easier to use than doing things by hand, meaning it's a deployment tool you'll actually use every time!
We use Ansible to synchronize the few configuration-options we've taken on our CoreOS-Machines. This makes deployment even easier and the fact that it's Agentless made the decision even easier.
Ansible is used in both the development and production deployment process. A playbook couple with a Vagrantfile, easy deploys a local virtual machine that will mirror the setup in production.
I use Ansible to manage the configuration between all of the different pieces of equipment, and because it's agentless I can even manage things like networking devices all from one repo.
- Configuration management:
- deploy/install all web/app environments
- simple with Galaxy and playbooks.
- No need any pre-installed agent on remote servers.
For deploying to a VPS like DigitalOcean. This pairs nicely with https://github.com/cyrusstoller/gardenbed.
Deployment automation all of the websites and apps are deployed to linux via capistrano.