When setting up infrastructure from scratch, particularly with Kubernetes, it’s crucial to immediately prioritize three often overlooked components. This article highlights these components and explains why incorporating them into your Kubernetes deployment strategy from the beginning can prevent common production issues later on.
The storage solutions
Underestimating storage needs is a common oversight. To avoid delays, you must choose a suitable storage class before deploying services. In cloud environments, utilize storage interfaces designed for Kubernetes. On-premises, ensure you deploy a reliable storage service like Ceph. The misconception that basic configurations will suffice leads to unnecessary complications. You have to invest time in learning tools like Ceph first.
Centralized logging and observability
Centralized logging and observability are essential yet frequently overlooked. As soon as services are deployed, issues requiring detailed investigation will emerge. Without a centralized system, such as Senser, pinpointing problems, especially across multiple replicas, becomes daunting. Early integration of these tools simplifies troubleshooting and service maintenance. Arguably, service mashes like istio or LinkerD should be considered as observability solutions.
Comprehensive Role-Based Access Control (RBAC)
Implementing RBAC is crucial but often delayed. Proper access controls allow developers to use tools like ArgoCD safely without compromising infrastructure integrity. Neglecting RBAC means deployed tools are underused, forcing a centralized DevOps team to become an unnecessary bottleneck. Including DevOps practices within development teams from the outset can prevent these issues.
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