Kubernetes cost estimates and label policies in pull requests

Infracost proposes static cost estimation and label-policy enforcement for Kubernetes manifests, Helm charts, and Kustomize configurations directly from source repositories, editors, pull requests, and AI agent workflows without requiring cluster access, credentials, or billing APIs. It calculates estimated monthly costs from resource requests, replica counts, persistent storage, load balancers, and published OpenCost default rates, aiming to expose the financial implications of configuration changes before deployment; for example, increased CPU, memory, replicas, and storage can compound into substantial costs that are difficult to infer from a YAML diff alone. The tool also applies tagging policies to Kubernetes labels after Helm templating and Kustomize transformations, helping ensure workloads, volumes, and load balancers are labeled for later allocation or governance. Its estimates are intended for comparing changes rather than matching negotiated cloud bills, since they use standard rates and requested rather than actual resource usage. The text notes important limitations, including no runtime rightsizing, showback or chargeback, GPU pricing, or detailed handling of autoscaling, DaemonSets, and job runtimes, while stating that runtime usage comparison capabilities are under development.

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