[Openstack] Can't restart devstack.

Ken D'Ambrosio ken at jots.org
Wed Dec 24 13:51:49 UTC 2014


On 2014-12-24 04:38, Venu Murthy wrote:
> Hello Ken, 
> 
> Try switch to the screen 
> for eg.
> screen -x stack

Oh, wow.  Thanks!  That sure showed what happened... though I don't know 
why.  Looks like I'm timing out trying to fetch a .PNG:
------------------------------------------
2014-12-24 01:19:53.404 DEBUG eventlet.wsgi.server [-] 125.64.35.67 - - 
[24/Dec/2014 01:19:53] "GET 
http://s1.bdstatic.com/r/www/cache/static/home/img/logos/nuomi_ade5465d.png 
HTTP/1.1" 404 278 0.003209 from (pid=10629) write 
/opt/stack/heat/heat/common/wsgi.py:183
Traceback (most recent call last):
   File "/usr/local/lib/python2.7/dist-packages/eventlet/greenpool.py", 
line 82, in _spawn_n_impl
     func(*args, **kwargs)
   File "/usr/local/lib/python2.7/dist-packages/eventlet/wsgi.py", line 
661, in process_request
     proto.__init__(sock, address, self)
   File "/usr/lib/python2.7/SocketServer.py", line 649, in __init__
     self.handle()
   File "/usr/lib/python2.7/BaseHTTPServer.py", line 342, in handle
     self.handle_one_request()
   File "/usr/local/lib/python2.7/dist-packages/eventlet/wsgi.py", line 
267, in handle_one_request
     self.raw_requestline = 
self.rfile.readline(self.server.url_length_limit)
   File "/usr/lib/python2.7/socket.py", line 476, in readline
     data = self._sock.recv(self._rbufsize)
   File "/usr/local/lib/python2.7/dist-packages/eventlet/greenio.py", 
line 296, in recv
     return fd.recv(buflen, flags)
error: [Errno 110] Connection timed out
------------------------------------------

Upon reflection, I noticed what was probably the same behavior when I 
tried to download an Ubuntu cloud image via URL -- it just sat there, 
saying it was "queued", but there was zero network I/O.  In both cases, 
I was able to use the system to successfully download both files using 
wget, so it's not a connectivity issue.  Why would Python GETs work any 
differently than "wget"?

Thanks,

-Ken


> 
> Best regards,
> 
>  Venu
> 
>  [2]
> ---
> 
> _“Excellence is never an accident. It is always the result of high
> intention, sincere effort, and intelligent execution.... ―
> Aristotle_
> 
> On Wed, Dec 24, 2014 at 11:29 AM, Ken D'Ambrosio <ken at jots.org> wrote:
> 
>> Hi, all.  Trying to get a feel for OpenStack, so I installed
>> DevStack.  And it works great... until I have the audacity to
>> restart it.  Apache doesn't go fully live unless I do a restart --
>> and if I do that, I don't get past the login screen (just tells me
>> that admin had trouble authenticating).  Likewise, the few things
>> I'm even mildly familiar with -- e.g., nova commands -- never seem
>> to execute, or even return to the CLI.  I'm guessing it's getting
>> hung up on something during rejoin-stack.sh.  The log files aren't
>> showing me anything that leaps to my eye.  I've done a full
>> DevStack re-install from scratch -- same problem.
>> 
>> 1) Which log files should I be digging into for more info?
>> 
>> 2) Is there a way to get a status on the various components?
>> 
>> 3) Should I wipe my Ubuntu 14.04 install entirely, and start from
>> scratch?
>> 
>> Thanks much -- and Happy Holidays to thems that celebrate 'em!
>> 
>> -Ken
>> 
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> 
> 
> 
> Links:
> ------
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> [2] http://www.thoughtworks.com/




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