[27.1 backport] attach: don't return context cancelled error #5296
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In 3f0d90a we introduced a global signal handler and made sure all the contexts passed into command execution get (appropriately) cancelled when we get a SIGINT. Due to that change, and how we use this context during `docker attach`, we started to return the context cancelation error when a user signals the running `docker attach`. Since this is the intended behavior, we shouldn't return an error, so this commit adds checks to ignore this specific error in this case. Also adds a regression test. Signed-off-by: Laura Brehm <laurabrehm@hey.com> (cherry picked from commit 66aa0f6) Signed-off-by: Paweł Gronowski <pawel.gronowski@docker.com>
Codecov ReportAttention: Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## 27.0 #5296 +/- ##
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+ Coverage 61.05% 61.50% +0.45%
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Files 296 299 +3
Lines 20856 20866 +10
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+ Hits 12733 12834 +101
+ Misses 7205 7116 -89
+ Partials 918 916 -2 |
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[](https://renovatebot.com) This PR contains the following updates: | Package | Update | Change | |---|---|---| | [docker/docker](https://github.com/docker/docker) | patch | `27.1.1` -> `27.1.2` | --- ### Release Notes <details> <summary>docker/docker (docker/docker)</summary> ### [`v27.1.2`](https://github.com/moby/moby/releases/tag/v27.1.2) [Compare Source](https://github.com/docker/docker/compare/v27.1.1...v27.1.2) #### 27.1.2 For a full list of pull requests and changes in this release, refer to the relevant GitHub milestones: - [docker/cli, 27.1.2 milestone](https://github.com/docker/cli/issues?q=is%3Aclosed+milestone%3A27.1.2) - [moby/moby, 27.1.2 milestone](https://github.com/moby/moby/issues?q=is%3Aclosed+milestone%3A27.1.2) - Deprecated and removed features, see [Deprecated Features](https://github.com/docker/cli/blob/v27.1.2/docs/deprecated.md). - Changes to the Engine API, see [API version history](https://github.com/moby/moby/blob/v27.1.2/docs/api/version-history.md). ##### Bug fixes and enhancements - Fix a regression that could result in a `ResourceExhausted desc = grpc: received message larger than max` error when building from a large Dockerfile. [moby/moby#48245](https://github.com/moby/moby/pull/48245) - CLI: Fix `docker attach` printing a spurious `context cancelled` error message. [docker/cli#5296](https://github.com/docker/cli/pull/5296) - CLI: Fix `docker attach` exiting on `SIGINT` instead of forwarding the signal to the container and waiting for it to exit. [docker/cli#5302](https://github.com/docker/cli/pull/5302) - CLI: Fix `--device-read-bps` and `--device-write-bps` options not taking effect. [docker/cli#5339](https://github.com/docker/cli/pull/5339) - CLI: Fix a panic happening in some cases while running a plugin. [docker/cli#5337](https://github.com/docker/cli/pull/5337) ##### Packaging updates - Update BuildKit to [v0.15.1](https://github.com/moby/buildkit/releases/tag/v0.15.1). [moby/moby#48246](https://github.com/moby/moby/pull/48246) - Update Buildx to [v0.16.2](https://github.com/docker/buildx/releases/tag/v0.16.2). [docker/docker-ce-packaging#1043](https://github.com/docker/docker-ce-packaging/pull/1043) - Update Go runtime to 1.21.13. [moby/moby#48301](https://github.com/moby/moby/pull/48301), [docker/cli#5325](https://github.com/docker/cli/pull/5325), [docker/docker-ce-packaging#1046](https://github.com/docker/docker-ce-packaging/pull/1046) - Remove unused `docker-proxy.exe` binary from Windows packages. [docker/docker-ce-packaging#1045](https://github.com/docker/docker-ce-packaging/pull/1045) </details> --- ### Configuration 📅 **Schedule**: Branch creation - "after 6am on monday" (UTC), Automerge - At any time (no schedule defined). 🚦 **Automerge**: Enabled. ♻ **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 was generated by [Mend Renovate](https://www.mend.io/free-developer-tools/renovate/). View the [repository job log](https://developer.mend.io/github/earthly/dind). <!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzOC4yNi4xIiwidXBkYXRlZEluVmVyIjoiMzguMjYuMSIsInRhcmdldEJyYW5jaCI6Im1haW4iLCJsYWJlbHMiOlsicmVub3ZhdGUiXX0=--> Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
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renovate bot
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[](https://renovatebot.com) This PR contains the following updates: | Package | Update | Change | |---|---|---| | [docker/docker](https://github.com/docker/docker) | patch | `27.1.1` -> `27.1.2` | --- ### Release Notes <details> <summary>docker/docker (docker/docker)</summary> ### [`v27.1.2`](https://github.com/moby/moby/releases/tag/v27.1.2) [Compare Source](https://github.com/docker/docker/compare/v27.1.1...v27.1.2) #### 27.1.2 For a full list of pull requests and changes in this release, refer to the relevant GitHub milestones: - [docker/cli, 27.1.2 milestone](https://github.com/docker/cli/issues?q=is%3Aclosed+milestone%3A27.1.2) - [moby/moby, 27.1.2 milestone](https://github.com/moby/moby/issues?q=is%3Aclosed+milestone%3A27.1.2) - Deprecated and removed features, see [Deprecated Features](https://github.com/docker/cli/blob/v27.1.2/docs/deprecated.md). - Changes to the Engine API, see [API version history](https://github.com/moby/moby/blob/v27.1.2/docs/api/version-history.md). ##### Bug fixes and enhancements - Fix a regression that could result in a `ResourceExhausted desc = grpc: received message larger than max` error when building from a large Dockerfile. [moby/moby#48245](https://github.com/moby/moby/pull/48245) - CLI: Fix `docker attach` printing a spurious `context cancelled` error message. [docker/cli#5296](https://github.com/docker/cli/pull/5296) - CLI: Fix `docker attach` exiting on `SIGINT` instead of forwarding the signal to the container and waiting for it to exit. [docker/cli#5302](https://github.com/docker/cli/pull/5302) - CLI: Fix `--device-read-bps` and `--device-write-bps` options not taking effect. [docker/cli#5339](https://github.com/docker/cli/pull/5339) - CLI: Fix a panic happening in some cases while running a plugin. [docker/cli#5337](https://github.com/docker/cli/pull/5337) ##### Packaging updates - Update BuildKit to [v0.15.1](https://github.com/moby/buildkit/releases/tag/v0.15.1). [moby/moby#48246](https://github.com/moby/moby/pull/48246) - Update Buildx to [v0.16.2](https://github.com/docker/buildx/releases/tag/v0.16.2). [docker/docker-ce-packaging#1043](https://github.com/docker/docker-ce-packaging/pull/1043) - Update Go runtime to 1.21.13. [moby/moby#48301](https://github.com/moby/moby/pull/48301), [docker/cli#5325](https://github.com/docker/cli/pull/5325), [docker/docker-ce-packaging#1046](https://github.com/docker/docker-ce-packaging/pull/1046) - Remove unused `docker-proxy.exe` binary from Windows packages. [docker/docker-ce-packaging#1045](https://github.com/docker/docker-ce-packaging/pull/1045) </details> --- ### Configuration 📅 **Schedule**: Branch creation - "after 6am on monday" (UTC), Automerge - At any time (no schedule defined). 🚦 **Automerge**: Enabled. ♻ **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 was generated by [Mend Renovate](https://www.mend.io/free-developer-tools/renovate/). View the [repository job log](https://developer.mend.io/github/earthly/dind). <!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzOC4yNi4xIiwidXBkYXRlZEluVmVyIjoiMzguMjYuMSIsInRhcmdldEJyYW5jaCI6Im1haW4iLCJsYWJlbHMiOlsicmVub3ZhdGUiXX0=--> Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
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closes #5294
- What I did
In #4993 we introduced a global signal handler and made sure all the contexts passed into command execution get (appropriately) cancelled when we get a
SIGINT.Due to how we use this context in
docker attach, this caused us to start returning a context cancelation error when a user signals the runningdocker attach.Since this is the intended behavior, we shouldn't return an error, so this commit adds checks to ignore this specific error in this case.
Also adds a regression test.
- How to verify it
Run the added test:
- Description for the changelog
- A picture of a cute animal (not mandatory but encouraged)