Cloud configuration management tools such as Chef, Puppet, Ansible, Salt, CFEngine, Windows PowerShell Desired State Configuration (DSC) Management, Babushka and many more like these are tools to help organizations manage and automate configuration for their entire data center.
Cloud configuration management tools help you describe your infrastructure with code. Once you define your infrastructure in code and store that in a git repository. You can share the git repository and then collaborate with others to build, automate, test and reproduce your infrastructure with great ease. It gives you a reproducible blueprint for your enterprise.
Programmable infrastructure and
infrastructure as code are synonymous phrases. Instead of manually configuring infrastructure you write code to do just that. You can actually fully incorporate the configuration in your application's code. This has been possible for a long time, but it had limitations where you almost always hit a wall on the types of things you can do. These new tools make it possible to do just about anything you could do manually, automatically with the infrastructure layer, and operating system layer.
These tools mentioned above are functionally very similar and most of them are open source tools except Microsoft DSC.
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