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148422597X Kubernetes Management Design Patterns [Vohra 2017-01-29] {E559F6BB}

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Chapter 16 ■ Developing a Highly Available Website

Figure 16-45. LoadBalancer for primary resource record set with all instances inService

To demonstrate high availability, stop the controller for the Kubernetes cluster exposing the elastic load

balancer pointed to by the primary resource record set, as shown in Figure 16-46.

Figure 16-46. Stopping the controller instance for the cluster exposing the ELB pointed to by the primary

resource record set

The controller instance and the worker node instances should be stopped, as shown in Figure 16-47,

in effect making the elastic load balancer for the primary resource record set unavailable. If the hosted zone

had just one resource record set without the Failover routing configured, the oramagsearch.com domain

would become unavailable.

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