April 2018
Intermediate to advanced
468 pages
14h 34m
English
Content preview from Mastering Kubernetes - Second Edition
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Federation API server
The federation API server is managing the Kubernetes clusters that together comprise the federation. It manages the federation state (that is, which clusters are part of the federation) in an etcd database the same as a regular Kubernetes cluster, but the state it keeps is just which clusters are members of the federation. The state of each cluster is stored in the etcd database of that cluster. The main purpose of the federation API server is to interact with the federation controller manager and route requests to the federation member clusters. The federation members don't need to know they are part of a federation: they work in just the same way.
The following diagram demonstrates the relationships between the federation ...
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