chore: Accumulated backports to v5-next - #24360
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## Problem PR #24352 (and others) intermittently fail in the merge queue with a DNS error. The failing step is the `barretenberg/sol` test command: ``` Command: ...cd barretenberg/sol && forge test --no-match-contract Base Error: error sending request for url (https://binaries.soliditylang.org/linux-amd64/list.json) Context: - Error #0: client error (Connect) - Error #1: dns error - Error #2: failed to lookup address information: Temporary failure in name resolution ``` `forge` reaches out to `binaries.soliditylang.org` to resolve/fetch the solc binary. Under heavy parallel merge-queue load the VPC resolver intermittently drops lookups (`Temporary failure in name resolution`), and the operation fails with no retry, taking the whole CI run down with it. ## Fix Retry the solc-fetching `forge` operations **every 10s for ~5 min** (30 attempts), scoped to connection/DNS failures so genuine errors still fail fast. - **`ci3/retry`**: make the attempt count tunable via `RETRY_ATTEMPTS` (default unchanged at 3); `RETRY_SLEEP` was already honored (default 5s). Fully backward-compatible — existing callers are unaffected. - **`barretenberg/sol/bootstrap.sh`**: wrap the `forge test` test command in `RETRY_ATTEMPTS=30 RETRY_SLEEP=10 retry -p '<dns/connect regex>'`. This is the operation that fails in the merge queue. - **`l1-contracts/bootstrap.sh`**: the root svm download (the "single owner of the svm download") already had a short `retry`; extend it to the same 10s/5-min window and scope it to DNS/connection errors. (`2>/dev/null` removed so `retry`'s pattern matcher can see the DNS error on stderr.) The `-p` pattern (`dns error|Temporary failure in name resolution|error sending request|failed to lookup address|Connection refused|connection reset`) means a real `forge test` assertion failure or compile error is **not** retried — it exits immediately, so this never masks real failures or wastes 5 minutes on a genuinely broken test. ## Verification Exercised `ci3/retry` and the exact emitted `barretenberg/sol` command locally: - DNS-matching failure → retries up to `RETRY_ATTEMPTS`, sleeping `RETRY_SLEEP` between attempts. - Real test failure (no DNS text) → fails fast, no retry (0s). - Success → returns 0 on the first attempt (0s). - `RETRY_ATTEMPTS` unset → still 3 attempts (backward-compatible). --- *Created by [claudebox](https://claudebox.work/v2/sessions/5610bcb5aef4d0b9) · group: `slackbot`*
PhilWindle
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Jun 29, 2026
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Flakey Tests🤖 says: This CI run detected 1 tests that failed, but were tolerated due to a .test_patterns.yml entry. |
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fix(ci): retry forge solc fetch on transient DNS failures (#24358)
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