Openshift (Kubernetes Internal)

Many people would surprise if I say that Openshift internally uses Kubernetes architecture.  Hence, In this post, I would like to cover what are those components that actually built on top of kubernetes.

Presistent Volume, Persistent Volume Claims, Configmap, Secrets, Replication Controller, Service are the main internal components of Openshift which are actually inherited from Kubernetes.  Deployment config / DC calls as Deployment in Kubernetes but the functionality is more or less equal except one thing is OpenShift is using ReplicationController and another one is using Replicaset.

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