William Denniss 8/24/2022

Migrating an IP-based service in GKE

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This article provides a detailed, step-by-step tutorial for migrating a service in Google Kubernetes Engine (GKE) from one cluster to another while retaining the same external IP. It covers two scenarios: migrating an Ingress (L7 load balancer) IP by promoting it to a global static IP, and migrating a LoadBalancer (L4) service IP by converting it to a regional static IP, including the necessary gcloud and kubectl commands.

Migrating an IP-based service in GKE

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