What is Devops?

November 29, 2018 Devops

DevOps is a combination of cultural philosophies, practices and tools that enhance an organization’s ability to deliver high-speed applications and services: it develops and enhances products faster than organizations that use traditional software development and management infrastructures This speed enables organizations to better serve their customers and compete more effectively in the marketplace.

Definition of Devops

DevOps is a new term that arises from the collision of two related main trends. The first was also called “agile infrastructure” or “agile operations”; emerged from the application of lean and thin approaches to operational work. The second is a much broader understanding of the value of collaboration between development and operations personnel at all stages of the development lifecycle when creating and operating a service, and how important operations have become our world more and more service-oriented  (see Operations: New Secret Sauce).

The definition proposed by Jez Humble is that DevOps is an “interdisciplinary community of practice dedicated to the study of the construction, development and operation of resilient systems to rapid scale change”.

This is good and fleshy, but it may be somewhat esoteric and specific to Internet startup types. I think you can set DevOps in a more practical way

DevOps is the practice of operations and development engineers who participate together throughout the service lifecycle, from design to the development process and production support.

An important corollary of this is that part of the major change in the practice of previous methods is

DevOps is also characterized by operations personnel who use many of the same techniques as developers to work on their systems.

These techniques can range from using source control to testing and participating in an Agile development process.

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For this, “DevOps” does not distinguish between different specialities Sysadmin “Ops” is a general term for system engineers, system administrators, operations personnel, launch engineers, DBA, network engineers, security professionals and other subdisciplines. and charges. “Dev” is used as an abbreviation for particular developers, but in practice, it is even broader and means “all involved in product development” which may include products, quality control and other disciplines.

DevOps has strong affinities with the Agile and Lean approaches. The old view of operations tended to the “Dev” side, being the “makers” and “Ops” “People who deal with creation after birth,” the realization of the side of damage that was done in The industry of these two treaties like concerns in silos is the central controller behind the DevOps. In this way, DevOps can be interpreted as a consequence of agile development. Agile software development prescribes close collaboration with the customer, product management, developers and (sometimes) quality control to fill gaps and quickly iterate for a better product. DevOps says “yes, but service delivery and how they interact and application systems are a key part of the value proposition for the customer, so the product team must include these concerns as a top element level.” From this perspective , DevOps is simply extending the Agile Principles beyond the “code” limits for all delivered service.

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How DevOps Works

Under a DevOps model, development teams and operations are no longer “isolated”. Sometimes these two teams merge into a single team in which engineers work across the application lifecycle, from development and testing to deployment and operations, and developing a range of skills not limited to a single role .

In some DevOps models, QA and safety teams can also be more integrated into the development, operations, and throughout the application lifecycle. When security is everyone’s focus on a DevOps team, this is sometimes called DevSecOps.

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These teams use practices to automate historically manual and slow processes. They use a stack of technology and tools that help them operate and develop applications quickly and reliably. These tools also help engineers perform independent tasks (for example, code implementation or provisioning infrastructure) that would normally be needed.

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