Enhancement: add support for unix socket listen #272
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MichaelEischer
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Can you rebase the PR now that #273 is merged? |
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Rebased. Tests are failing due to |
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…8c23 by renovate (#24421) This PR contains the following updates: | Package | Update | Change | |---|---|---| | [restic/rest-server](https://togithub.com/restic/rest-server) | minor | `0.12.1` -> `0.13.0` | --- > [!WARNING] > Some dependencies could not be looked up. Check the Dependency Dashboard for more information. --- ### Release Notes <details> <summary>restic/rest-server (restic/rest-server)</summary> ### [`v0.13.0`](https://togithub.com/restic/rest-server/blob/HEAD/CHANGELOG.md#Changelog-for-rest-server-0130-2024-07-26) [Compare Source](https://togithub.com/restic/rest-server/compare/v0.12.1...v0.13.0) \============================================ The following sections list the changes in rest-server 0.13.0 relevant to users. The changes are ordered by importance. ## Summary - Chg [#​267](https://togithub.com/restic/rest-server/issues/267): Update dependencies and require Go 1.18 or newer - Chg [#​273](https://togithub.com/restic/rest-server/issues/273): Shut down cleanly on TERM and INT signals - Enh [#​271](https://togithub.com/restic/rest-server/issues/271): Print listening address after start-up - Enh [#​272](https://togithub.com/restic/rest-server/issues/272): Support listening on a unix socket ## Details - Change [#​267](https://togithub.com/restic/rest-server/issues/267): Update dependencies and require Go 1.18 or newer Most dependencies have been updated. Since some libraries require newer language features, support for Go 1.17 has been dropped, which means that rest-server now requires at least Go 1.18 to build. [https://github.com/restic/rest-server/pull/267](https://togithub.com/restic/rest-server/pull/267) - Change [#​273](https://togithub.com/restic/rest-server/issues/273): Shut down cleanly on TERM and INT signals Rest-server now listens for TERM and INT signals and cleanly closes down the http.Server and listener when receiving either of them. This is particularly useful when listening on a unix socket, as the server will now remove the socket file when it shuts down. [https://github.com/restic/rest-server/pull/273](https://togithub.com/restic/rest-server/pull/273) - Enhancement [#​271](https://togithub.com/restic/rest-server/issues/271): Print listening address after start-up When started with `--listen :0`, rest-server would print `start server on :0` The message now also includes the actual address listened on, for example `start server on 0.0.0.0:37333`. This is useful when starting a server with an auto-allocated free port number (port 0). [https://github.com/restic/rest-server/pull/271](https://togithub.com/restic/rest-server/pull/271) - Enhancement [#​272](https://togithub.com/restic/rest-server/issues/272): Support listening on a unix socket It is now possible to make rest-server listen on a unix socket by prefixing the socket filename with `unix:` and passing it to the `--listen` option, for example `--listen unix:/tmp/foo`. This is useful in combination with remote port forwarding to enable a remote server to backup locally, e.g.: rest-server --listen unix:/tmp/foo & ssh -R /tmp/foo:/tmp/foo user@host restic -r rest:http+unix:///tmp/foo:/repo backup [https://github.com/restic/rest-server/pull/272](https://togithub.com/restic/rest-server/pull/272) </details> --- ### Configuration 📅 **Schedule**: Branch creation - At any time (no schedule defined), 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 has been generated by [Renovate Bot](https://togithub.com/renovatebot/renovate). <!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzOC44LjEiLCJ1cGRhdGVkSW5WZXIiOiIzOC44LjEiLCJ0YXJnZXRCcmFuY2giOiJtYXN0ZXIiLCJsYWJlbHMiOlsiYXV0b21lcmdlIiwidXBkYXRlL2RvY2tlci9nZW5lcmFsL25vbi1tYWpvciJdfQ==-->
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Changelog for rest-server 0.13.0 (2024-07-26) ============================================ The following sections list the changes in rest-server 0.13.0 relevant to users. The changes are ordered by importance. Summary ------- * Chg #267: Update dependencies and require Go 1.18 or newer * Chg #273: Shut down cleanly on TERM and INT signals * Enh #271: Print listening address after start-up * Enh #272: Support listening on a unix socket Details ------- * Change #267: Update dependencies and require Go 1.18 or newer Most dependencies have been updated. Since some libraries require newer language features, support for Go 1.17 has been dropped, which means that rest-server now requires at least Go 1.18 to build. restic/rest-server#267 * Change #273: Shut down cleanly on TERM and INT signals Rest-server now listens for TERM and INT signals and cleanly closes down the http.Server and listener when receiving either of them. This is particularly useful when listening on a unix socket, as the server will now remove the socket file when it shuts down. restic/rest-server#273 * Enhancement #271: Print listening address after start-up When started with `--listen :0`, rest-server would print `start server on :0` The message now also includes the actual address listened on, for example `start server on 0.0.0.0:37333`. This is useful when starting a server with an auto-allocated free port number (port 0). restic/rest-server#271 * Enhancement #272: Support listening on a unix socket It is now possible to make rest-server listen on a unix socket by prefixing the socket filename with `unix:` and passing it to the `--listen` option, for example `--listen unix:/tmp/foo`. This is useful in combination with remote port forwarding to enable a remote server to backup locally, e.g.: ``` rest-server --listen unix:/tmp/foo & ssh -R /tmp/foo:/tmp/foo user@host restic -r rest:http+unix:///tmp/foo:/repo backup ``` restic/rest-server#272 Changelog for rest-server 0.12.1 (2023-07-09) ============================================ The following sections list the changes in rest-server 0.12.1 relevant to users. The changes are ordered by importance. Summary ------- * Fix #230: Fix erroneous warnings about unsupported fsync * Fix #238: API: Return empty array when listing empty folders * Enh #217: Log to stdout using the `--log -` option Details ------- * Bugfix #230: Fix erroneous warnings about unsupported fsync Due to a regression in rest-server 0.12.0, it continuously printed `WARNING: fsync is not supported by the data storage. This can lead to data loss, if the system crashes or the storage is unexpectedly disconnected.` for systems that support fsync. We have fixed the warning. restic/rest-server#230 restic/rest-server#231 * Bugfix #238: API: Return empty array when listing empty folders Rest-server returned `null` when listing an empty folder. This has been changed to returning an empty array in accordance with the REST protocol specification. This change has no impact on restic users. restic/rest-server#238 restic/rest-server#239 * Enhancement #217: Log to stdout using the `--log -` option Logging to stdout was possible using `--log /dev/stdout`. However, when the rest server is run as a different user, for example, using `sudo -u restic rest-server [...] --log /dev/stdout` This did not work due to permission issues. For logging to stdout, the `--log` option now supports the special filename `-` which also works in these cases. restic/rest-server#217
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What is the purpose of this change? What does it change?
Enhancement: add support for unix socket listen
Refactor main for easier testing, graceful termination and be able to prin the listening port after startup.
Add tests for both TCP and Unix socket listening.
The change to add unix socket listening was pretty simple, but the PR got bit bigger then I made some refactors to
main.goto make it easier for testing (by removing use of gloabl variables).Was the change discussed in an issue or in the forum before?
Yes. This is the
rest-serverpart of restic/restic#4287(it also includes the tiny change I proposed in #271)
Checklist
changelog/unreleased/that describes the changes for our users (template here)gofmton the code in all commits