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fix: print the actual address listened on #271

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merged 2 commits into from
Feb 5, 2024

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ae-govau
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What is the purpose of this change? What does it change?

When used in scripts it can be useful to start a server with an ephemeral port number (e.g. a free port selected automatically by the application).

rest-server already does this (it's handled by net.Listen()), but the current code doesn't print the selected port - rather it prints the requested port (0).

This changes the behaviour to print the address returned by net.Listen.

This is useful when the server is started with an ephemeral port, e.g. previously running:

./rest-server --no-auth --listen "127.0.0.1:0"

would print:

start server on 127.0.0.1:0

With this change the output now shows the actual port selected, e.g.

start server on 127.0.0.1:46015

Was the change discussed in an issue or in the forum before?

No. For such a simple change, I thought it would less effort to go straight to a PR. Happy to make changes if needed.

Checklist

  • I have enabled maintainer edits for this PR
  • I have added tests for all changes in this PR
  • I have added documentation for the changes (in the manual)
  • There's a new file in changelog/unreleased/ that describes the changes for our users (template here)
  • I have run gofmt on the code in all commits
  • All commit messages are formatted in the same style as the other commits in the repo
  • I'm done, this Pull Request is ready for review

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@MichaelEischer MichaelEischer left a comment

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LGTM.

This is useful when the server is started with an ephemeral port, e.g.:

./rest-server --no-auth --listen "127.0.0.1:0"

...

start server on 127.0.0.1:46015
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ae-govau commented Feb 4, 2024

Rebased, added changelog, tweaked output format.

@MichaelEischer MichaelEischer merged commit b28bea1 into restic:master Feb 5, 2024
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truecharts-admin referenced this pull request in truecharts/public Jul 26, 2024
…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 [#&#8203;267](https://togithub.com/restic/rest-server/issues/267):
Update dependencies and require Go 1.18 or newer
- Chg [#&#8203;273](https://togithub.com/restic/rest-server/issues/273):
Shut down cleanly on TERM and INT signals
- Enh [#&#8203;271](https://togithub.com/restic/rest-server/issues/271):
Print listening address after start-up
- Enh [#&#8203;272](https://togithub.com/restic/rest-server/issues/272):
Support listening on a unix socket

## Details

- Change
[#&#8203;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
[#&#8203;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
[#&#8203;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
[#&#8203;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

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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==-->
netbsd-srcmastr pushed a commit to NetBSD/pkgsrc that referenced this pull request Aug 6, 2024
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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2 participants