[Webkit-unassigned] [Bug 147178] Replace Google App Engine with AppScale

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=147178

--- Comment #4 from Daniel Bates <dbates at webkit.org> ---
Comment on attachment 257669
  --> https://bugs.webkit.org/attachment.cgi?id=257669
Updated Patch, updated https port numbers.

View in context: https://bugs.webkit.org/attachment.cgi?id=257669&action=review

> Tools/QueueStatusServer/app.yaml:4
> +runtime: python27
> +threadsafe: false

It would be good to understand the need to explicitly use the Python 2.7 runtime.

Elaborating on the reasoning for specifying the YAML property threadsafe, we must explicitly define this property when using the Python 2.7 runtime per <https://cloud.google.com/appengine/docs/python/python25/migrate27#appyaml>. We define threadsafe to be false because the status server code was written to be run in AppEngine's CGI environment (by <http://trac.webkit.org/browser/trunk/Tools/QueueStatusServer/main.py?rev=174622#L90> and <https://cloud.google.com/appengine/docs/python/tools/webapp/utilmodule#run_wsgi_app>). And AppEngine's CGI programming model handles requests serially per section "Concurrent Requests and WSGI" of <https://cloud.google.com/appengine/docs/python/python25/migrate27>.

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