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NOTE - Although the service running in an external cluster can be accessed by following the steps above, the failover mechanism is not yet supported by ISTIO (Replicated control plane).
For this scnearioscenario, the intent must have the following istio configurations
1. In
| Cluster | Istio configuration |
|---|---|
| cluster 01 | a. serviceEntry - of service serverservice04 as shown in step 4 b. virtualservice - having entries of serverservice04 (in cluster 02), serverservice01 (cluster 01) and serverservice02 (cluster 01) as shown in step 5 c. configmap - to add stubdomain .global in the coreDNS d. destinationRule - for any restrictions/loadbalancing amongst internal services/hosts |
...
| cluster 02 | a. configmap - to add stubdomain .global in the coreDNS b. destinationRule - for any restrictions/loadbalancing amongst internal services/hosts |
IN PROGRESS......