fix: make wrapped dial tcp error redirectable (#3799)#3810
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This PR contains the following updates: | Package | Change | [Age](https://docs.renovatebot.com/merge-confidence/) | [Confidence](https://docs.renovatebot.com/merge-confidence/) | |---|---|---|---| | [github.com/redis/go-redis/v9](https://github.com/redis/go-redis) | `v9.19.0` → `v9.20.0` |  |  | --- ### Release Notes <details> <summary>redis/go-redis (github.com/redis/go-redis/v9)</summary> ### [`v9.20.0`](https://github.com/redis/go-redis/releases/tag/v9.20.0): 9.20.0 [Compare Source](redis/go-redis@v9.19.0...v9.20.0) #### 🚀 Highlights ##### Redis 8.8 Support This release adds support for **Redis 8.8**. The README's supported-versions list now includes Redis 8.8 alongside 8.0/8.2/8.4, and CI exercises the `8.8` client-libs-test image across the full suite (Makefile, build workflow, doctests, run-tests action, and docker-compose). Coverage for the new commands that ship in the 8.x line, rounded out in this release: - **`AR*` array data type** ([#​3813](redis/go-redis#3813)) — new array data structure, exposed via the `ArrayCmdable` interface (see the experimental-features highlight below). - **`INCREX`** ([#​3816](redis/go-redis#3816)) — atomic increment with expiration in a single round-trip. - **`XNACK`** ([#​3790](redis/go-redis#3790)) — explicit negative-acknowledge of pending stream entries. - **`XAUTOCLAIM` PEL deletes** ([#​3798](redis/go-redis#3798)) — `XAUTOCLAIM`/`XAUTOCLAIMJUSTID` now return the list of deleted message IDs from the pending entries list. - **`TS.RANGE` multiple aggregators** ([#​3791](redis/go-redis#3791)) — `TS.RANGE`/`TS.REVRANGE`/`TS.MRANGE`/`TS.MREVRANGE` accept multiple aggregators in a single call. - **`Z(UNION|INTER|DIFF)` `COUNT` aggregator** ([#​3802](redis/go-redis#3802)) — `COUNT` reducer for sorted-set set operations. - **`JSON.SET FPHA`** ([#​3797](redis/go-redis#3797)) — new `FPHA` argument that specifies the floating-point type for homogeneous FP arrays. CI image bump ([#​3814](redis/go-redis#3814)) by [@​ofekshenawa](https://github.com/ofekshenawa). Command coverage contributions by [@​cxljs](https://github.com/cxljs), [@​elena-kolevska](https://github.com/elena-kolevska), [@​Khukharr](https://github.com/Khukharr), [@​ndyakov](https://github.com/ndyakov), and [@​ofekshenawa](https://github.com/ofekshenawa). ##### Stable RESP3 for RediSearch (`UnstableResp3` deprecated) `FT.SEARCH`, `FT.AGGREGATE`, `FT.INFO`, `FT.SPELLCHECK`, and `FT.SYNDUMP` now parse RESP3 (map) responses into the same typed result objects as RESP2 — `Val()` and `Result()` work uniformly on both protocols, no flag required. Previously, RESP3 search responses required `UnstableResp3: true` and were returned as opaque maps accessible only via `RawResult()` / `RawVal()`. As a result, the `UnstableResp3` option is now a **no-op** across every options struct (`Options`, `ClusterOptions`, `UniversalOptions`, `FailoverOptions`, `RingOptions`) and has been marked `// Deprecated:`. The field is retained for backwards compatibility — existing code that sets `UnstableResp3: true` will continue to compile and behave identically — but it will be removed in a future release and new code should not set it. `RawResult()` / `RawVal()` continue to work for callers that prefer the raw RESP payload. ([#​3741](redis/go-redis#3741)) by [@​ndyakov](https://github.com/ndyakov) ##### Experimental Array Data Structure Commands Adds an experimental `ArrayCmdable` interface with the `AR*` command family (`ARSet`, `ARGet`, `ARGetRange`, `ARMSet`, `ARMGet`, `ARDel`, `ARDelRange`, `ARScan`, `ARSeek`, `ARNext`, `ARLastItems`, `ARGrep`, `ARGrepWithValues`, `ARInfo`/`ARInfoFull`, and typed reducers `AROpSum`/`AROpMin`/`AROpMax`/`AROpAnd`/`AROpOr`/`AROpXor`/`AROpMatch`/`AROpUsed`) for working with Redis 8.8's new array data type. **API is experimental and may change in a future release.** ([#​3813](redis/go-redis#3813)) by [@​cxljs](https://github.com/cxljs) #### ✨ New Features - **RESP3 search parser**: First-class RESP3 parsing for `FT.SEARCH`/`FT.AGGREGATE`/`FT.INFO`/`FT.SPELLCHECK`/`FT.SYNDUMP` responses with backwards compatibility for RESP2 ([#​3741](redis/go-redis#3741)) by [@​ndyakov](https://github.com/ndyakov) - **INCREX**: New `INCREX` command support — atomic increment with expiration ([#​3816](redis/go-redis#3816)) by [@​ndyakov](https://github.com/ndyakov) - **XNACK**: Client support for the `XNACK` stream command for explicitly negative-acknowledging pending entries ([#​3790](redis/go-redis#3790)) by [@​elena-kolevska](https://github.com/elena-kolevska) - **TS range multiple aggregators**: `TS.RANGE`/`TS.REVRANGE`/`TS.MRANGE`/`TS.MREVRANGE` now accept multiple aggregators in a single call ([#​3791](redis/go-redis#3791)) by [@​elena-kolevska](https://github.com/elena-kolevska) - **`XAutoClaim` deleted IDs**: `XAUTOCLAIM`/`XAUTOCLAIMJUSTID` now return the list of deleted message IDs from the PEL ([#​3798](redis/go-redis#3798)) by [@​Khukharr](https://github.com/Khukharr) - **`JSON.SET FPHA`**: `JSON.SET` accepts a new `FPHA` argument that specifies the floating-point type for homogeneous floating-point arrays ([#​3797](redis/go-redis#3797)) by [@​ndyakov](https://github.com/ndyakov) - **Sorted-set union/intersection COUNT**: `ZUNION`/`ZINTER`/`ZDIFF` aggregator now supports `COUNT` ([#​3802](redis/go-redis#3802)) by [@​ofekshenawa](https://github.com/ofekshenawa) - **`FT.HYBRID` vector validation**: Validates hybrid-search vector input types and adds proper typed vector parameters ([#​3756](redis/go-redis#3756)) by [@​DengY11](https://github.com/DengY11) - **Cluster pool wait stats**: `ClusterClient.PoolStats()` now accumulates `WaitCount` and `WaitDurationNs` across all node pools (previously always zero) ([#​3809](redis/go-redis#3809)) by [@​LINKIWI](https://github.com/LINKIWI) #### 🐛 Bug Fixes - **TLS-only Cluster PubSub**: `CLUSTER SLOTS` port-0 entries now fall back to the origin endpoint's port, fixing `dial tcp <ip>:0: connection refused` on TLS-only clusters started with `--port 0 --tls-port <port>` (fixes [#​3726](redis/go-redis#3726)) ([#​3828](redis/go-redis#3828)) by [@​ndyakov](https://github.com/ndyakov) - **Sharded PubSub reconnect routing**: `PubSub.conn()` now passes both regular (`c.channels`) and sharded (`c.schannels`) channels into the per-PubSub `newConn` closure. Previously, `ClusterClient.SSubscribe`-only PubSubs reconnected to a random node (because the routing closure saw an empty channel list), the `SSUBSCRIBE` was sent to the wrong shard, and the resulting `MOVED` reply was silently dropped ([#​3829](redis/go-redis#3829)) by [@​ndyakov](https://github.com/ndyakov) - **ClusterClient `Watch` retry**: User errors returned from a `Watch` callback are no longer subjected to cluster-retry classification; transient cluster errors still retry, but a callback returning e.g. `net.ErrClosed` short-circuits immediately ([#​3821](redis/go-redis#3821)) by [@​obiyang](https://github.com/obiyang) - **Sentinel concurrent-probe leak**: `MasterAddr`'s concurrent sentinel probe now closes the non-winning sentinel clients instead of leaking them ([#​3827](redis/go-redis#3827)) by [@​cxljs](https://github.com/cxljs) - **Sentinel rediscovery loop on master-only setups**: `replicaAddrs` no longer tears down the cached sentinel client when the replica list is empty, eliminating a continuous rediscovery loop on master-only Sentinel deployments that flooded logs and added per-operation latency ([#​3795](redis/go-redis#3795)) by [@​shahyash2609](https://github.com/shahyash2609) - **Pool `CloseConn` hooks**: `Pool.CloseConn` now triggers registered hooks, fixing a memory leak when connections are closed explicitly rather than via the normal removal path ([#​3818](redis/go-redis#3818)) by [@​ndyakov](https://github.com/ndyakov) - **Dial TCP error redirection**: Wrapped `dial tcp` errors are now correctly classified as redirectable so cluster routing can recover from a single unreachable node ([#​3810](redis/go-redis#3810)) by [@​vladisa88](https://github.com/vladisa88) - **Pool `Close` health checks**: `ConnPool.Close` now only runs health checks against idle connections, avoiding spurious activity on connections still in use ([#​3805](redis/go-redis#3805)) by [@​ndyakov](https://github.com/ndyakov) - **VLinks return type**: Fixed the return type of `VLINKS`/`VLINKSWITHSCORES` vector-set replies ([#​3820](redis/go-redis#3820)) by [@​romanpovol](https://github.com/romanpovol) #### 🧪 Testing & Infrastructure - **Flaky tests**: Stabilized several flaky tests in the sentinel and pool suites ([#​3815](redis/go-redis#3815)) by [@​ndyakov](https://github.com/ndyakov) - **Sentinel failover metric race**: Fixed a data race in the sentinel failover metric test ([#​3824](redis/go-redis#3824)) by [@​cxljs](https://github.com/cxljs) - **`waitForSentinelClusterStable` post-conditions**: The sentinel test harness now waits for replicas to be fully connected (not just present in the count) and is robust to randomized spec ordering after failover specs, eliminating an intermittent `Expected master to equal slave` flake ([#​3830](redis/go-redis#3830)) by [@​ndyakov](https://github.com/ndyakov) - **`govulncheck` workflow**: New scheduled GitHub Actions workflow runs `govulncheck` on every push, PR, and weekly, surfacing newly disclosed Go vulnerabilities even when no code changes ([#​3779](redis/go-redis#3779)) by [@​solardome](https://github.com/solardome) - **CI Redis 8.8-rc1**: CI now exercises the 8.8-rc1 Redis image ([#​3814](redis/go-redis#3814)) by [@​ofekshenawa](https://github.com/ofekshenawa) #### 🧰 Maintenance - **`Cmd.Slot()` lookup refactor**: Caches the per-command `CommandInfo` and short-circuits keyless commands before the switch dispatch, removing redundant `Peek` calls ([#​3804](redis/go-redis#3804)) by [@​retr0-kernel](https://github.com/retr0-kernel) - **stdlib `math/rand`**: Replaced `internal/rand` with `math/rand` from the standard library now that the minimum Go version is 1.24 ([#​3823](redis/go-redis#3823)) by [@​cxljs](https://github.com/cxljs) - **ConnPool queue channel**: Removed the unused queue channel from `ConnPool`, trimming the pool's footprint ([#​3826](redis/go-redis#3826)) by [@​cxljs](https://github.com/cxljs) - **Extra packages LICENSE**: Added a LICENSE file to each `extra/*` package ([#​3817](redis/go-redis#3817)) by [@​ndyakov](https://github.com/ndyakov) - **README & CI image**: Documentation refresh and bumped the default CI image tag ([#​3822](redis/go-redis#3822)) by [@​ndyakov](https://github.com/ndyakov) #### 👥 Contributors We'd like to thank all the contributors who worked on this release! [@​cxljs](https://github.com/cxljs), [@​DengY11](https://github.com/DengY11), [@​elena-kolevska](https://github.com/elena-kolevska), [@​Khukharr](https://github.com/Khukharr), [@​LINKIWI](https://github.com/LINKIWI), [@​ndyakov](https://github.com/ndyakov), [@​obiyang](https://github.com/obiyang), [@​ofekshenawa](https://github.com/ofekshenawa), [@​retr0-kernel](https://github.com/retr0-kernel), [@​romanpovol](https://github.com/romanpovol), [@​shahyash2609](https://github.com/shahyash2609), [@​solardome](https://github.com/solardome), [@​vladisa88](https://github.com/vladisa88) *** **Full Changelog**: <redis/go-redis@v9.19.0...v9.20.0> </details> --- ### Configuration 📅 **Schedule**: (UTC) - Branch creation - Between 12:00 AM and 03:59 AM (`* 0-3 * * *`) - Automerge - Between 12:00 AM and 03:59 AM (`* 0-3 * * *`) 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this PR and you won't be reminded about this update again. --- - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box --- This PR has been generated by [Mend Renovate](https://github.com/renovatebot/renovate). <!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0My4xOTUuMSIsInVwZGF0ZWRJblZlciI6IjQzLjE5NS4xIiwidGFyZ2V0QnJhbmNoIjoiZm9yZ2VqbyIsImxhYmVscyI6WyJkZXBlbmRlbmN5LXVwZ3JhZGUiLCJ0ZXN0L25vdC1uZWVkZWQiXX0=--> Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/12804 Reviewed-by: Mathieu Fenniak <mfenniak@noreply.codeberg.org>
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fixes #3799
Now check if it was an OpError before we check for context errors
Note
Medium Risk
Changes
shouldRetrybehavior for connection failures by retryingnet.OpErrordial errors even when wrapped withcontext.DeadlineExceeded, which could alter retry frequency under timeout conditions.Overview
Fixes retry classification so TCP dial failures are retried even when they appear wrapped as
context.DeadlineExceeded(e.g., from dial timeouts), by checking fornet.OpError{Op:"dial"}before context cancellation/deadline handling.Adds
TestDialTimeoutShouldRetrycoverage to ensure dial errors (including those wrapped in deadline errors) retry, while non-dialnet.OpErrorand plain context errors still do not.Reviewed by Cursor Bugbot for commit dd5266f. Bugbot is set up for automated code reviews on this repo. Configure here.