Kubernetes Classroom Series – 11/Oct/2019



Desired State:

  • Assume you have Kubernetes to create 5 replications of tomcat:8
    • Creation of 5 Pods on appropriate nodes is taken care by scheduler.
    • Failure Scenarios:
      • Node has failed: controller-manager has a control loop called Node-controller, Replication-controller, Now Controller -Manager Takes necessary steps to bring back the count to 5
  • In the earlier scenario 5 replications is desired state. Controller-Manager is responsible for maintaining desired state

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