The open source Operator Framework is a toolkit to manage Kubernetes-native applications. The framework and its features provide the ability to develop solutions to simplify some complexities, such as the process to install, configure, manage and package applications on Kubernetes and Red Hat OpenShift. It provides the ability to use a client to perform CRUD actions, that is, operations to create, read, update, and delete data on these platforms.
By using operators, it’s possible not only to provide all expected resources but also to manage them dynamically, programmatically, and at execution time. To illustrate this idea, imagine if someone accidentally changed a configuration or removed a resource by mistake; in this case, the operator could fix it without any human intervention. We’ll take a look at Operators and the Operator SDK in this article.
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