Rob Hirschfeld

Since I’ve already bragged about how this workload validates OpenCrowbar’s deep ops impact, I can get right down to the nuts and bolts of what RackN CTO Greg Althaus managed to pack into this workload.

Like any scale install, once you’ve got a solid foundation, the actual installation goes pretty quickly.  In Kubernetes’ case, that means creating strong networking and etcd configuration.  Here are the details:

Clustered etcd – distributed key store

etcd is the central data service that maintains the state for the Kubernetes deployment.  The strength of the installation rests on the correctness of etcd.  The workload builds an etcd cluster and synchronizes all the instances as nodes are added.

Networking with Flannel and Proxy

Flannel is the default overlay network for Kubernetes that handles IP assignment and intercontainer communication with UDP encapsulation.  The workload configures Flannel as for networking with etcd as the backing store.

An…

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