fix(registry): recover refresh goroutine, per-provider warm-fill budget, exact-glob model authorization

1. refreshProvider (the plugin's only background goroutine) had no
recover(): a panicking adapter's listModels would crash the whole
Traefik process. Restructured around deferred recover + finishRefresh,
so a panic is turned into a logged error, inFlight always releases, and
the next interval retries. Documented as a scoped exception to
limits.go's no-background-goroutine rule.

2. newGateway wrapped ctx in an outer 5s WithTimeout before warmFill,
but warmFill already derives a fresh 5s budget per provider from
whatever ctx it receives. The outer wrap made that a single budget
shared across every discovery-enabled provider instead of a per-provider
one - providers after the first could get a near-expired context and
fail instantly. Dropped the outer wrapper; construction's worst case is
now N * 5s, accepted.

3. group.allowsModel stripped at any first slash, so a glob like
'deepseek-*' could spuriously match a bare model id that merely
contains a slash (e.g. an upstream's own 'uni/deepseek-v4-flash-0731'
naming) even though the leading segment names no configured provider.
allowsModel is now an exact glob with no internal splitting;
resolveAgainst and listFor generate the provider-prefixed and
bare-suffix candidates themselves, only when a prefix legitimately
names a configured provider. Updated the Task-3 TestIdentify assertion
to match.

4. Annotated the discarded json.Encode error in handleModels.

Gate: go test ./... -count=1, -race, gofmt, vet, fieldalignment,
golangci-lint (incl gosec) all clean.
This commit is contained in:
2026-08-20 10:24:18 +01:00
parent fdb81640ec
commit e91f0e36ff
6 changed files with 231 additions and 28 deletions
+8 -2
View File
@@ -30,8 +30,14 @@ func TestIdentify(t *testing.T) {
if !grp.allowsModel("gpt-5-mini") {
t.Error("glob should match")
}
if !grp.allowsModel("openai/gpt-5-mini") {
t.Error("prefixed form should match")
// allowsModel is an exact glob against the given string only — it no
// longer strips a "provider/" prefix itself (fix(registry) ruling 3): a
// pattern like "gpt-5*" reaching a provider-prefixed request like
// "openai/gpt-5-mini" is now the caller's job (modelRegistry.
// resolveAgainst / listFor build the bare-suffix candidate themselves),
// covered at the registry level in registry_test.go, not here.
if grp.allowsModel("openai/gpt-5-mini") {
t.Error("allowsModel must not match a provider-prefixed id on its own; prefix-stripping now lives in the caller")
}
if grp.allowsModel("claude-4") {
t.Error("should not match")