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fix(declaration): retry the boot publish until accepted or refused - #225
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A Status passed through Config.Status or WireInput.Status reads idle, pending, published or failed, so a service can show in its readiness check that the access manager does not hold its declaration yet. A scope-only publication that cannot start for lack of configuration reads failed instead of idle.
The background publish gave up after five attempts, about 8 s, and never tried again: an access manager that came up later, or was down during a rolling upgrade, never received the declaration, and every caller got 403 while the service looked healthy. Start's initial publish now retries transient failures (network, timeouts, 5xx, 409, a token that cannot be minted) with the same backoff, capped at 30 s, until the access manager accepts or refuses it or stop is called. Refusals (401/403/422/501, empty token) still stop at once. Publish and the FailFast path keep the bounded budget, so a fail-fast boot still ends.
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Included review availability: This review used your included allowance. 0 included reviews remain after this review. Your included PR review attempts over the past 7 days set your current allowance at 1 review per hour. 📝 WalkthroughWalkthroughThe declaration publisher adds an optional status object with idle, pending, published, and failed states. Initial background publishing retries transient failures until success, refusal, or cancellation. Environment wiring passes status to the publisher, and the README documents the behavior. ChangesDeclaration publication
Sequence Diagram(s)sequenceDiagram
participant Caller
participant WireFromEnv
participant Publisher
participant IdentityServer
participant Status
Caller->>WireFromEnv: Provides Status through WireInput
WireFromEnv->>Publisher: Passes Status in publisher configuration
Publisher->>Status: Sets StatePending
loop Transient failure until success, refusal, or cancellation
Publisher->>IdentityServer: Sends declaration
IdentityServer-->>Publisher: Returns response
end
Publisher->>Status: Sets StatePublished on success
Publisher->>Status: Sets StateFailed on deterministic refusal
Priority: ⬇️ Low Merge Risk: ⚪ Minimal · up to No actionable issue remains from this review; the change is mergeable after normal checks. ✨ Finishing Touches✨ Simplify code
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Inline comments:
Review comments at @auth/declaration/publisher.go:
- Line 433: Update Publisher.publish so the p.nothing path sets StateIdle and
returns before registering the deferred status recorder; keep the recorder for
publications that proceed to send a PUT.
Review comments at @README.md:
- Line 1083: Update the README description of StateIdle to define it as no
publication having started, rather than equating it with the declaration switch
being off; note that WireFromEnv may publish a scope-only manifest when
authentication is on, and that idle can apply when authentication is off or no
scope catalog exists.
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README.mdauth/declaration/publisher.goauth/declaration/publisher_status_test.goauth/declaration/wire.go
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A scope-only publisher whose manifest carries no scope sends nothing, so its Status reads idle, not published. The README now defines idle as no publication started rather than the declaration switch being off.
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GetApplicationToken now returns a TokenRefusal carrying the HTTP status when the token endpoint answers non-2xx, so a caller can tell a refused credential from a rate limit or an outage. It unwraps to the commons.Response it returned before, so errors.As on that type keeps matching.
The zero-value idle check restated the constant's definition, and the 403 ERROR log is already pinned by the publisher's own refusal tests.
Every retry minted a new token, so a pod whose PUT kept failing during an access manager rollout made about ten token calls in its first minute, hitting the token endpoint's 10-per-minute limit. The token is now reused across attempts and minted again only after a mint failure, a 401 on a reused token, or once it is five minutes old. A token endpoint refusing the M2M credential (a 4xx other than 429: a wrong or revoked secret) was retried as transient, so the publication read pending forever. It is now final: logged at ERROR, status failed.
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What changes for a service
Before: the declaration publisher made 5 attempts at boot (~8 s of backoff) and then gave up for the life of the process. If the access manager came up later (fresh BYOC install) or was down during a rolling upgrade, the service never declared its permissions: every caller got 403 while the pod's readiness stayed green, with only a WARN line to show for it.
After:
Start's initial background publish retries transient failures (network, timeouts, 5xx, 409, a token endpoint that is down or answers 429) with the same backoff (1 s, ×1.5, ±50%, growing to 30 s between attempts, up to 45 s with jitter). It keeps going until the access manager accepts the declaration, refuses it, orstopis called. Boot stays asynchronous.Publish()and theFailFastpath keep the bounded 5-try budget, so a fail-fast boot still terminates.declaration.Status(viaConfig.Status/WireInput.Status) reportsidle/pending/published/failedfor a readiness check. The zero value readsidle, and a publication with nothing to send staysidle. A scope-only publication that cannot start for lack of configuration readsfailed.middleware.TokenRefusal{StatusCode, Response}:GetApplicationToken's non-2xx error now carries the HTTP status. It unwraps to thecommons.Responsereturned before, soerrors.As(err, &commons.Response{})(e.g. midazcredentialRefused) keeps matching.Existing callers (
WireFromEnvin midaz, lender, streaming-hub, br-sfn services, plugins, JD Courier) compile unchanged.Statusis optional.Line delta (vs develop)
publisher.go,wire.go,middleware/refusal.go,middleware/middleware.go). Growth: theStatus/StateAPI (~55 lines), token reuse and mint classification (~45), anddeclarationURL, moved out ofdoPutunchanged to keepdoPutunder 80 lines.publisher_status_test.go,token_reuse_test.go,token_status_test.go,scope_test.go)Verification
TestStart_RetriesTransientPastTheBudgetUntilAcceptedfailed before the retry fix (expected PUT #4) and passes after it.failedmark;go test -race -count=1 ./...passes; the new tests pass 20 times in a row under-race;golangci-lintreports 0 issues;gosecis clean. Tests use 1–2 ms backoff and fake minters, with no real sleeps.Not in this PR
version).Pull Request Type
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