Targeted to Icehouse based upon original request from -infra.
** Also affects: keystone/icehouse
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1334466
Title:
Eventlet Log Spamming on Client Disconnect (Broken Pipe)
Status in OpenStack Identity (Keystone):
In Progress
Status in Keystone icehouse series:
In Progress
Bug description:
If a client makes a request to keystone, and then disconnects before
keystone responds, it is possible to fill up the logs (INFO) with
eventlet tracebacks due to broken pipe:
2014-06-24 23:30:29.729 31440 INFO eventlet.wsgi.server [-] 127.0.0.1 - -
[24/Jun/2014 23:30:29] "POST /v3/auth/tokens HTTP/1.1" 201 0 100.313719
2014-06-24 23:30:29.731 31440 INFO eventlet.wsgi.server [-] Traceback (most
recent call last):
File "/usr/lib/python2.7/dist-packages/eventlet/wsgi.py", line 399, in
handle_one_response
write(''.join(towrite))
File "/usr/lib/python2.7/dist-packages/eventlet/wsgi.py", line 349, in write
_writelines(towrite)
File "/usr/lib/python2.7/socket.py", line 334, in writelines
self.flush()
File "/usr/lib/python2.7/socket.py", line 303, in flush
self._sock.sendall(view[write_offset:write_offset+buffer_size])
File "/usr/lib/python2.7/dist-packages/eventlet/greenio.py", line 307, in
sendall
tail = self.send(data, flags)
File "/usr/lib/python2.7/dist-packages/eventlet/greenio.py", line 293, in
send
total_sent += fd.send(data[total_sent:], flags)
error: [Errno 32] Broken pipe
Example (900k line file) due to this [WARNING THIS LINK MIGHT KILL YOUR
BROWSER]:
http://logs.openstack.org/66/99766/2/check/check-grenade-dsvm/9fd33e1/logs/old/screen-key.txt.gz?level=INFO
We should override the required HTTPProtocol class and gracefully
handle the traceback. If we would like to keep the information, a
single log-line per incident would be sufficient instead of ~14.
This should be considered for a backport to Icehouse to help limit log
spam there as well.
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