fix(gateway): stop TLS from depending on which crates got linked - #550
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PR SummaryMedium Risk Overview Adds a shared
Minor coverage-build tweaks ( Reviewed by Cursor Bugbot for commit c7f65f2. Bugbot is set up for automated code reviews on this repo. Configure here. |
WalkthroughThe workspace adds an optional rustls TLS module to ChangesTLS provider installation
Estimated code review effort: 3 (Moderate) | ~20 minutes Merge Risk: 🔵 Low · up to The PR prevents gateway TLS handshakes from panicking by selecting aws-lc-rs explicitly before networking begins. It is mergeable with owner awareness of a bounded compatibility risk for TLS 1.2-only upstreams and a minor loss of provider details in startup errors. Sequence Diagram(s)sequenceDiagram
participant Gateway
participant TrogonStd
participant Rustls
Gateway->>TrogonStd: install_default_crypto_provider()
TrogonStd->>Rustls: install aws-lc-rs provider
Rustls-->>TrogonStd: installation result
Gateway->>Gateway: parse CLI arguments and load configuration
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🚥 Pre-merge checks | ✅ 5✅ Passed checks (5 passed)
✨ Finishing Touches📝 Generate docstrings
🧪 Generate unit tests (beta)
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Inline comments:
In `@rsworkspace/Cargo.toml`:
- Line 171: Verify the TLS protocol requirements for outbound connections using
the rustls dependency declaration. If external upstreams require TLS 1.2, add
the "tls12" feature alongside "aws-lc-rs" and "std"; otherwise leave the feature
set unchanged.
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rsworkspace/Cargo.lockis excluded by!**/*.lock
📒 Files selected for processing (8)
rsworkspace/Cargo.tomlrsworkspace/crates/platform/trogon-gateway/Cargo.tomlrsworkspace/crates/platform/trogon-gateway/src/main.rsrsworkspace/crates/platform/trogon-gateway/tests/crypto_provider.rsrsworkspace/crates/platform/trogon-std/Cargo.tomlrsworkspace/crates/platform/trogon-std/src/lib.rsrsworkspace/crates/platform/trogon-std/src/tls.rsrsworkspace/crates/platform/trogon-std/src/tls/tests.rs
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…nges Signed-off-by: Yordis Prieto <yordis.prieto@gmail.com>
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Code Coverage SummaryDetailsDiff against mainResults for commit: c7f65f2 Minimum allowed coverage is ♻️ This comment has been updated with latest results |
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Every outbound TLS handshake panicked in production because the dependency graph reaches rustls through both provider features, and rustls will not guess between them. The panic killed the Discord source while liveness and readiness kept answering 200, so the gateway looked healthy while silently ingesting nothing. Signed-off-by: Yordis Prieto <yordis.prieto@gmail.com>
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🤖 Prompt for all review comments with AI agents
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Inline comments:
In `@rsworkspace/crates/platform/trogon-std/src/tls.rs`:
- Line 27: Update the install_default error mapping in the TLS provider setup to
retain the returned Arc<Self> instead of discarding it. Extend or reuse
CryptoProviderAlreadyInstalledError so it carries the attempted provider’s typed
identity, while preserving the existing error behavior for successful
installation.
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rsworkspace/crates/platform/trogon-gateway/src/main.rsrsworkspace/crates/platform/trogon-gateway/src/source/slack/socket_mode.rsrsworkspace/crates/platform/trogon-gateway/tests/crypto_provider.rsrsworkspace/crates/platform/trogon-std/src/lib.rsrsworkspace/crates/platform/trogon-std/src/tls.rsrsworkspace/crates/platform/trogon-std/src/tls/tests.rs
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trogon-gatewaypanics in production today. rustls only picks a process-levelCryptoProviderfrom crate features when exactly one provider feature is enabled, and this graph enables both:aws-lc-rsarrives throughtrogon-telemetry->opentelemetry-otlp/reqwest-rustls->reqwest/rustls(hardcoded to__rustls-aws-lc-rs), whileringarrives throughasync-natsandtwilight-gateway. Faced with two, rustls refuses to guess and panics instead.1/1 Runningwhile ingesting nothing. All three replicas are in this state right now.opentelemetry-otlproutes its HTTP exporter through reqwest'srustlsfeature, which is pinned to aws-lc-rs; itstls-ringoption applies to the tonic/gRPC path, not thehttp-jsonprotocol in use. Selecting the provider explicitly is what rustls prescribes when the graph is ambiguous, and it makes the choice independent of feature unification so a future dependency cannot silently change which cryptography the binary uses.ringas the fallback for platforms that cannot build it.trogon-stdbecause provider selection is process-wide rather than gateway-specific, per ADR#0002. Four other binaries reach rustls through both providers for the same reason and are broken the same way:mcp-nats-server,mcp-nats-stdio,acp-nats-server, andacp-nats-stdio. They are left untouched here to keep this scoped to the reported failure, and each needs the same one-line call.