Bug 269688 – "start-local-buildbot-server --ews" fails to start: builtins.ModuleNotFoundError: No module named 'ews-build'

• Component: Tools / Tests
• Status: RESOLVED FIXED

[Fujii Hironori]

$ ./Tools/CISupport/start-local-buildbot-server --ews
Setting up virtualenv at /tmp/tmptglmqr02 ...
Setting up buildbot dependencies on the virtualenv ...
Copying files from /home/fujii/webkit/ga/Tools/CISupport/ews-build to /tmp/tmptglmqr02/buildbot-server ...
Generating buildbot files at /tmp/tmptglmqr02/buildbot-server ...
Starting the buildbot server process ...
ERROR: buildbot server has not started after waiting 60 seconds for it.
The server.log file contains the following:
2024-02-19T11:54:45+0900 [-] Loading buildbot.tac...
2024-02-19T11:54:46+0900 [-] Loaded.
2024-02-19T11:54:46+0900 [twisted.scripts._twistd_unix.UnixAppLogger#info] twistd 21.2.0 (/tmp/tmptglmqr02/venv/bin/python 3.10.12) starting up.
2024-02-19T11:54:46+0900 [twisted.scripts._twistd_unix.UnixAppLogger#info] reactor class: twisted.internet.epollreactor.EPollReactor.
2024-02-19T11:54:46+0900 [-] Starting BuildMaster -- buildbot.version: 2.10.5
2024-02-19T11:54:46+0900 [-] Loading configuration from '/tmp/tmptglmqr02/buildbot-server/master.cfg'
2024-02-19T11:54:46+0900 [-] error while parsing config file:
        Traceback (most recent call last):
          File "/tmp/tmptglmqr02/venv/lib/python3.10/site-packages/twisted/python/threadpool.py", line 254, in <lambda>
            inContext.theWork = lambda: context.call(  # type: ignore[attr-defined]
          File "/tmp/tmptglmqr02/venv/lib/python3.10/site-packages/twisted/python/context.py", line 118, in callWithContext
            return self.currentContext().callWithContext(ctx, func, *args, **kw)
          File "/tmp/tmptglmqr02/venv/lib/python3.10/site-packages/twisted/python/context.py", line 83, in callWithContext
            return func(*args, **kw)
          File "/tmp/tmptglmqr02/venv/lib/python3.10/site-packages/buildbot/config.py", line 154, in loadConfig
            filename, config_dict = loadConfigDict(
        --- <exception caught here> ---
          File "/tmp/tmptglmqr02/venv/lib/python3.10/site-packages/buildbot/config.py", line 117, in loadConfigDict
            execfile(filename, localDict)
          File "/tmp/tmptglmqr02/venv/lib/python3.10/site-packages/twisted/python/compat.py", line 225, in execfile
            exec(code, globals, locals)
          File "/tmp/tmptglmqr02/buildbot-server/master.cfg", line 12, in <module>
            loadConfig = importlib.import_module("ews-build.loadConfig")
          File "/usr/lib/python3.10/importlib/_init_.py", line 126, in import_module
            return _bootstrap._gcd_import(name[level:], package, level)
          File "<frozen importlib._bootstrap>", line 1050, in _gcd_import
          File "<frozen importlib._bootstrap>", line 1027, in _find_and_load
          File "<frozen importlib._bootstrap>", line 992, in _find_and_load_unlocked
          File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed
          File "<frozen importlib._bootstrap>", line 1050, in _gcd_import
          File "<frozen importlib._bootstrap>", line 1027, in _find_and_load
          File "<frozen importlib._bootstrap>", line 1004, in _find_and_load_unlocked
        builtins.ModuleNotFoundError: No module named 'ews-build'
2024-02-19T11:54:46+0900 [-] Configuration Errors:
2024-02-19T11:54:46+0900 [-]   error while parsing config file: No module named 'ews-build' (traceback in logfile)
2024-02-19T11:54:46+0900 [-] Halting master.
2024-02-19T11:54:46+0900 [-] BuildMaster startup failed
2024-02-19T11:54:46+0900 [-] BuildMaster is stopped
2024-02-19T11:54:46+0900 [-] Main loop terminated.
2024-02-19T11:54:46+0900 [twisted.scripts._twistd_unix.UnixAppLogger#info] Server Shut Down.
Traceback (most recent call last):
  File "/home/fujii/webkit/ga/./Tools/CISupport/start-local-buildbot-server", line 173, in start
    self._wait_for_server_ready()
  File "/home/fujii/webkit/ga/./Tools/CISupport/start-local-buildbot-server", line 232, in _wait_for_server_ready
    raise RuntimeError('buildbot server has not started after waiting 60 seconds for it.')
RuntimeError: buildbot server has not started after waiting 60 seconds for it.
Cleaning /tmp/tmptglmqr02 ...

[Fujii Hironori]

"./Tools/CISupport/start-local-buildbot-server --post-commit" also fails with a similar error message.
>   builtins.ModuleNotFoundError: No module named 'build-webkit-org'

[Fujii Hironori]

This is a regression by 267005@main (bug#258526).

[Fujii Hironori]

Pull request: https://github.com/WebKit/WebKit/pull/24726

[EWS]

Committed 275008@main (69379105c355): <https://commits.webkit.org/275008@main>

Reviewed commits have been landed. Closing PR #24726 and removing active labels.

[Radar WebKit Bug Importer]

<rdar://problem/123274828>