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Infrastructure as code (IaC) is the process of managing and provisioning computer data center resources through machine-readable definition files, rather than physical hardware configuration or interactive configuration tools. [1]
A more restricted language is also available which works without needing Consfigurator to be installed on the target. Remote configuration is also supported: the of hosts can be defined with scheme code. Guix Guix integrates many things in the same tool (a distribution, package manager, configuration management tool, container environment, etc).
Each tool has a different method of interacting with the system some are agent-based, push or pull, through an interactive UI. Similar to adopting any DevOps tools, there are barriers to bring on CCA tools and factors that hinder and accelerate adoption. [6] Notable CCA tools include:
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. [2]
Terraform is an infrastructure-as-code software tool created by HashiCorp. Users define and provide data center infrastructure using a declarative configuration language known as HashiCorp Configuration Language (HCL), or optionally JSON .
Top level Configuration Management Activity model. Configuration management (CM) is a management process for establishing and maintaining consistency of a product's performance, functional, and physical attributes with its requirements, design, and operational information throughout its life.
With the advances in language and complexity, software engineering, involving configuration management and other methods, became a major concern due to issues like schedule, budget, and quality. Practical lessons, over the years, had led to the definition, and establishment, of procedures and tools.
IBM DevOps Code ClearCase (also known as IBM Rational ClearCase) is a family of computer software tools that supports software configuration management (SCM) of source code and other software development assets. It also supports design-data management of electronic design artifacts, thus enabling hardware and software co-development.