Files
netbird/shared/llm/model.go
braginini 2316c20a2b [management, proxy] Management-owned LLM pricing: file-backed defaults +
operator prices, delivered via cost_meter middleware config

  Operator-pinned model prices (ProviderModel.InputPer1k/OutputPer1k) were
  stored and round-tripped through the API but never consumed for billing:
  the proxy priced exclusively from a defaults_pricing.yaml embedded in
  its binary. Any model outside that file recorded $0 spend, price changes
  required a proxy release, and the catalog and the YAML were two
  hand-synced copies of the same rates, guarded only by a manually
  maintained coverage list that had already drifted.
2026-07-29 16:49:37 +02:00

59 lines
2.3 KiB
Go

// Package llm holds LLM model-identifier helpers shared by the proxy and
// the management server. The proxy normalizes model ids parsed off inbound
// requests; management normalizes the operator's registered model ids at
// synthesis time so both sides of the pricing / routing contract compare
// equal.
package llm
import (
"regexp"
"strings"
)
// bedrockRegionPrefixes are the cross-region inference-profile prefixes that
// front a Bedrock model id (e.g. "eu.anthropic.claude-...").
var bedrockRegionPrefixes = []string{"us.", "eu.", "apac.", "global."}
// bedrockVersionSuffix matches the trailing "-vN[:N]" or "-YYYYMMDD-vN[:N]"
// version/throughput suffix of a Bedrock model id.
var bedrockVersionSuffix = regexp.MustCompile(`-(\d{8}-)?v\d+(:\d+)?$`)
// NormalizeBedrockModel strips an ARN wrapper, a cross-region inference-profile
// prefix, and the version/throughput suffix from a Bedrock model id so it
// matches the catalog/pricing key, e.g.
// "eu.anthropic.claude-sonnet-4-5-20250929-v1:0" -> "anthropic.claude-sonnet-4-5"
// and the inference-profile ARN's last segment likewise. It is the single
// source of truth shared by the proxy's request parser (which normalizes the
// request model from the URL path), the proxy's router (which normalizes the
// operator's registered Bedrock model ids so both sides compare equal), and
// the management synthesizer (which keys per-provider pricing entries by the
// normalized id the parser will emit at billing time).
func NormalizeBedrockModel(modelID string) string {
m := modelID
// A full ARN (inference-profile / provisioned-throughput / foundation-model)
// carries the model id in its last path segment.
if strings.HasPrefix(m, "arn:") {
if i := strings.LastIndex(m, "/"); i >= 0 {
m = m[i+1:]
}
}
for _, p := range bedrockRegionPrefixes {
if strings.HasPrefix(m, p) {
m = m[len(p):]
break
}
}
return bedrockVersionSuffix.ReplaceAllString(m, "")
}
// NormalizeVertexModel strips the "@version" suffix from a Vertex AI model id
// (e.g. "claude-sonnet-4-5@20250929" -> "claude-sonnet-4-5") so it matches
// the catalog/pricing key. Vertex publisher models are priced under their
// vendor surface with the bare, unversioned id.
func NormalizeVertexModel(modelID string) string {
if at := strings.Index(modelID, "@"); at >= 0 {
return modelID[:at]
}
return modelID
}