Infrastructure as Code – Automating IT resources in the cloud

Infrastructure as code in the cloud is spreading in many companies and replacing their own data centers. The advantages of this »Infrastructure as a Service (IaaS)«: The servers start up quickly, are easily scalable in both directions & can be conveniently managed thanks lớn the appropriate configuration tools. Nevertheless, it is still monotonous manual work, especially in larger environments. It is error-prone và rather unpopular with admins.

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These processes can be automated with Infrastructure as Code (IaC). Server, storage và network connections are provided using programming techniques. The desired infrastructure is described in a script. In this way, infrastructure as code can also encode complex provisioning processes. The resources defined in the descriptions or blueprints are automatically provided, managed and released.
Benefits of Infrastructure as Code. Key benefits of infrastructure as code are accuracy, repeatability, & speed. Once a particular configuration has been tested, it can be "deployed" by a script in the same way at any time - often within a few minutes. The servers started in this way are always configured in the same way. With a specific code, many resources can be created, changed or expanded quickly & automatically. This includes, for example, kiểm tra systems for developers or additional servers that are only active for a short time và absorb peak loads.
Almost all IaaS providers offer their customers interfaces or tools for programming the infrastructure. The admins can use many techniques of application development, for example version management of the "source texts". Versioning allows changes to lớn be traced back and, if necessary, canceled again. This makes it easier to lớn fix misconfigurations. In addition, the individual projects can be duplicated & serve as the basis for a new mix of servers.
With the complete archiving & versioning of the infrastructure code, companies have a precise insight into the current status of their infrastructure. Integration testing then provides hard numbers on which versions of the blueprints work with specific versions of the infrastructure. This ensures that the versions are always compatible, for example as soon as the system requirements change.
IaC và DevOps complement each other. Infrastructure as Code convinces many IT specialists, because the infrastructure traditionally thought of as hardware becomes software. This means that the scripts or configuration files can also be made available to other admins, developers, departments or teams very easily. This increases the reusability of settings once they have been made and ultimately makes them independent of people. In short: With IaC, an IT team can set up và provide new, consistent systems, infrastructures or even virtual data centers in the shortest possible time.

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This makes the concept particularly suitable for use in a DevOps environment (“Development & Operations”), which ensures a closer liên kết between software development & IT operations. The primary aim is to lớn make the cooperation between admins and developers more efficient. The two concepts work together perfectly, as the programming of the infrastructure makes typical system administration tasks accessible khổng lồ software developers.
An important aspect of DevOps is »Continuous Delivery«, a generic term for a collection of procedures used to automate và improve the delivery or delivery of software. This gives developers a tool with which they can trigger a process chain "on command" that automatically tests, integrates and rolls out finished releases. In agile development, DevOps helps to deliver software releases in quick succession - sometimes even several times a day.
Cloud migration made easy. Infrastructure as Code allows the formal description of a company's entire IT và cloud landscape. This makes it possible lớn precisely define and reproducibly provide all necessary (and previously used) computing resources. The code then contains all the information about the type and scope of the hardware, software & middleware. It also saves the work process that is necessary to achieve this state, such as additional processes lớn be started or resources to be reserved.
The great opportunity for infrastructure to lớn »become software« is the possibility of first precisely defining all resources & then configuring them in one fell swoop. This allows companies to plan the structure of their IT infrastructure over the longer term and record it in the source code as a reference at any time. This also supports companies with cloud migration, for example of parts of the IT infrastructure to lớn other public cloud services.

What sounds so simple here is often a major hurdle in practice: business processes have khổng lồ be described & transferred to lớn the cloud in order to successfully generate added value. With a cloud platform & an infrastructure code adapted to the processes, companies create the framework for their digital ecosystem. Infrastructure as Code overcomes this hurdle because infrastructure provisioning is efficient và reproducible.
Companies are looking for flexibility và efficiency và are therefore making their way to lớn the cloud. But lớn get the most out of them, resources need to lớn be agile và scalable. Infrastructure as Code is one solution. An automated infrastructure using code results in a fixed library of infrastructure building blocks that developers only have to use. In the end, this not only saves time but also leads to lớn stable consistency within the infrastructure.