Managing multiple servers in different states can be hard with Fabric. Configuration management tools such as Chef, Puppet, or Ansible try to bring a server to a certain desired state.
Unlike Fabric, which requires the deployment process to be specified in an imperative manner, these configuration-management tools are declarative. You just need to define the final state you want the server to be in, and it will figure out how to get there.
For example, if you want to ensure that the Nginx service is running at startup on all your web servers, then you will need to define a server state having the Nginx service both running and starting on boot. On the other hand, with Fabric, you will need to specify the exact steps ...
