1175478 - Update gunicorn from v17.5 to v19.3.0

Status: RESOLVED FIXED

(Tree Management :: Treeherder, defect, P2)

Description

[Ed Morley [:emorley]]

v17.5 was released in 2013.
Given that with bug 1151803 we'll we switching to using gunicorn to serve the static assets too, I think we should update.

http://docs.gunicorn.org/en/latest/2013-news.html
http://docs.gunicorn.org/en/latest/2014-news.html
http://docs.gunicorn.org/en/latest/news.html

https://github.com/benoitc/gunicorn/compare/17.5...19.3

Comment 1

[Ed Morley [:emorley]]

Notable changes:

* switch QUIT and TERM signal
"With this change, when gunicorn receives a QUIT all the workers are killed immediately and exit and TERM is used for the graceful shutdown. Note: the old behaviour was based on the NGINX but the new one is more correct according the following doc:
https://www.gnu.org/software/libc/manual/html_node/Termination-Signals.html
also it is complying with the way the signals are sent by heroku:
https://devcenter.heroku.com/articles/python-faq#what-constraints-exist-when-developing-applications-on-heroku

* honor $WEB_CONCURRENCY environment variable. (Used on heroku)

* log to console by default

Comment 2

[Ed Morley [:emorley]]

Attachment: Update gunicorn to v19.3.0

Comment 3

[Treeherder GitHub Bugbot]

Commit pushed to master at https://github.com/mozilla/treeherder

https://github.com/mozilla/treeherder/commit/8c051b492032c574253419a464925c24d31a863a
Bug 1175478 - Update gunicorn to v19.3.0

http://docs.gunicorn.org/en/latest/2013-news.html
http://docs.gunicorn.org/en/latest/2014-news.html
http://docs.gunicorn.org/en/latest/news.html

https://github.com/benoitc/gunicorn/compare/17.5...19.3

Comment 4

[Ed Morley [:emorley]]

Deployed to stage now to check for issues.

http://treeherderadm.private.scl3.mozilla.com/chief/treeherder.stage/logs/master.1434634638

Comment 5

[Ed Morley [:emorley]]

Looks fine on stage so far :-)