A cloud native Kubernetes Global Balancer
summary
k8gb is an open-source Kubernetes operator that implements DNS-based global service load balancing across multiple clusters. It deploys an embedded CoreDNS, ExternalDNS and a k8gb controller in each cluster, uses ExternalDNS to delegate zones on cloud DNS providers like AWS Route53 or Infoblox, and updates authoritative CoreDNS records based on Kubernetes readiness probes to enable cross-cluster failover without relying on HTTP health checks or a single cluster as a SPOF.
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