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OKD

什么是OKD

Openshift 就是K8s的一个发行版，OKD则是Openshift的社区版.

OKD is a distribution of Kubernetes optimized for continuous application development and multi-tenant deployment. OKD adds developer and operations-centric tools on top of Kubernetes to enable rapid application development, easy deployment and scaling, and long-term lifecycle maintenance for small and large teams. OKD is a sibling Kubernetes distribution to Red Hat OpenShift.

OKD embeds Kubernetes and extends it with security and other integrated concepts. OKD is also referred to as Origin in github and in the documentation.

• Kubernetes: Open source container orchestration and cluster management at scale.
• podman: Standardized Linux container packaging for applications and their dependencies.
• coreos: A container-focused OS that’s designed for painless management in large clusters.
• operator framework: An open source project that provides developer and runtime Kubernetes tools, enabling you to accelerate the development of an Operator.
• cri-o: A lightweight container runtime for Kubernetes.
• promethus: Prometheus is a systems and service monitoring toolkit that collects metrics from configured targets at given intervals, evaluates rule expressions, displays the results, and can trigger alerts if some condition is observed to be true.