Question:- Somebody asked, whether the service of type loadbalancer IPAddress will change when we upgrade AKS Cluster
Ans : No.
Demo here..
C:\Users\kusha>kubectl get services -n rak
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
webserver-service LoadBalancer 10.0.217.211 20.242.248.124 80:30326/TCP 34m
webserver-service--persist LoadBalancer 10.0.202.73 20.120.120.54 80:30085/TCP 21m
az aks show --resource-group RGP-USE-AKS-DV --name AKS-USE-AKS-DEV --query "kubernetesVersion" --output table
Result
--------
1.24.9
az aks upgrade --resource-group RGP-USE-AKS-DV --name AKS-USE-AKS-DEV --kubernetes-version 1.25.5
C:\Users\kusha>az aks show --resource-group RGP-USE-AKS-DV --name AKS-USE-AKS-DEV --query "kubernetesVersion" --output table
Result
--------
1.25.5
C:\Users\kusha>kubectl get services -n rak
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
webserver-service LoadBalancer 10.0.217.211 20.242.248.124 80:30326/TCP 60m
webserver-service--persist LoadBalancer 10.0.202.73 20.120.120.54 80:30085/TCP 47m
LoadBalacer IP address remains unchanged.
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