Bug 593731

Created attachment 415158 [details]
File: backtrace

Should handle DNS timeouts gracefully.

Package: fedora-easy-karma-0-0.7.20100709git561718c8.fc14
Architecture: x86_64
OS Release: Fedora release 14 (Laughlin)


How to reproduce
-----
Sometimes fedora-easy-karma resolves admin.fedoraproject.org to its IPv6 address,
even though my machine has no global IPv6 route.

On connection failure, the application dies with a traceback, which is in itself a bug.

Package: fedora-easy-karma-0-0.11.20101123gitf70e9b6d.fc15
Architecture: i686
OS Release: Fedora release 15 (Lovelock)


How to reproduce
-----
1. start fedora-easy-karma
2. bang!
3.


Comment
-----
[mrunge@sofja ~]$ fedora-easy-karma 
Getting list of installed packages...
Getting list of packages in updates-testing...
Traceback (most recent call last):
  File "/usr/bin/fedora-easy-karma", line 452, in <module>
    FedoraEasyKarma()
  File "/usr/bin/fedora-easy-karma", line 294, in __init__
    testing_updates.extend(bc.query(release=release, status="pending", request="testing", limit=1000)["updates"])
  File "/usr/lib/python2.7/site-packages/fedora/client/bodhi.py", line 147, in query
    return self.send_request('list', req_params=params, auth=auth)
  File "/usr/lib/python2.7/site-packages/fedora/client/baseclient.py", line 316, in send_request
    req_params = req_params, auth_params = auth_params)
  File "/usr/lib/python2.7/site-packages/fedora/client/proxyclient.py", line 275, in send_request
    request.perform()
pycurl.error: (6, 'Could not resolve host: admin.fedoraproject.org; Cannot allocate memory')

[mrunge@sofja ~]$ host admin.fedoraproject.org
admin.fedoraproject.org is an alias for wildcard.fedoraproject.org.
wildcard.fedoraproject.org has address 80.239.156.215
wildcard.fedoraproject.org has address 209.132.181.16
wildcard.fedoraproject.org has address 85.236.55.6
wildcard.fedoraproject.org has IPv6 address 2610:28:1000:1401::fed0:2
wildcard.fedoraproject.org has IPv6 address 2001:4178:2:1269::12

[mrunge@sofja ~]$ ping admin.fedoraproject.org
PING wildcard.fedoraproject.org (80.239.156.215) 56(84) bytes of data.
64 bytes from proxy5-2.fedoraproject.org (80.239.156.215): icmp_req=1 ttl=59 time=23.0 ms

Package: fedora-easy-karma-0-0.10.20101123gitf70e9b6d.fc14
Architecture: i686
OS Release: Fedora release 14 (Laughlin)


How to reproduce
-----
1. In first terminal window: "ssh -D 1080 localhost" (or some other host you'd like to proxy through)
2. In second terminal window: "export all_proxy=socks://127.0.0.1:1080"
3. Again, in second window: "fedora-easy-karma"

Comment
-----
I have a SOCKS5 proxy (provided by ssh) configured via GNOME's preferences, and exported by gnome-terminal via the "all_proxy", "ALL_PROXY", "no_proxy", and "NO_PROXY" environment variables.

Unsetting these manually works correctly when I'm on a network that permits direct outbound connectivity. The error looks like it's trying an HTTP CONNECT proxy rather than SOCKS somewhere along the line.

abrt is probably going to open this as a ticket against fedora-easy-karma, but it inherits the issue from python-fedora, which in turn appears to support proxies automatically via pycurl/libcurl. So, I'm not sure if the problem lies with python-fedora, pycurl, or libcurl, or some combination of the three.

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