[ckan-dev] production deployment

Fri Jun 10 16:57:33 UTC 2011

Hi,

I am getting back to you regarding my production deployment issue still 
not resolved.

I have installed ckan in a pyenv virtual environnement 
/home/opendata/pyenv
So I have the following install setup 

/home/opendata/pyenv
/home/opendata/pyenv/src/
/home/opendata/pyenv/src/ckan

In the ckan folder I have the configuration file datalocale.cg33.fr.ini
In the/home/opendata/pyenv/bin I have the datalocale.cg33.fr.py python 
script. 

In the later I have

import os
instance_dir = '/home/opendata/'
config_file = 'pyenv/src/ckan/datalocale.cg33.fr.ini'
pyenv_bin_dir = os.path.join(instance_dir, 'pyenv', 'bin')
activate_this = os.path.join(pyenv_bin_dir, 'activate_this.py')
execfile(activate_this, dict(__file__=activate_this))
execfile(activate_this, dict(__file__=activate_this))
import ckanext
from paste.deploy import loadapp
config_filepath = os.path.join(instance_dir, config_file)
from paste.script.util.logging_config import fileConfig
fileConfig(config_filepath)
application = loadapp('config:%s' % config_filepath)

then I declared a virtual host in apache

WSGIVerboseDebugging On
WSGIDaemonProcess debug threads=1
WSGIProcessGroup debug

<VirtualHost *:80>
ServerName datalocale.drupalva.cg33.fr
ServerAlias datalocale
WSGIScriptAlias / /home/opendata/pyenv/bin/datalocale.cg33.fr.py
# pass authorization info on (needed for rest api)
# WSGIPassAuthorization On
<Directory "/home/opendata/pyenv/src/ckan">
Order allow,deny
Allow from all
</Directory>
LogLevel warn
ErrorLog /opt/apache2/logs/datalocale.error.log
CustomLog /opt/apache2/logs/datalocale.access.log combined

</VirtualHost>

I get the following error 

[Fri Jun 10 18:41:15 2011] [info] mod_wsgi (pid=14048): Create interpreter 
'datalocale.drupalva.cg33.fr|'.
[Fri Jun 10 18:41:16 2011] [notice] child pid 14048 exit signal 
Segmentation fault (11)
[Fri Jun 10 18:41:16 2011] [info] mod_wsgi (pid=14048): Process 'debug' 
has died, restarting.
[Fri Jun 10 18:41:16 2011] [info] mod_wsgi (pid=14363): Starting process 
'debug' with uid=2, gid=2 and threads=1.
[Fri Jun 10 18:41:16 2011] [info] mod_wsgi (pid=14363): Initializing 
Python.
[Fri Jun 10 18:41:16 2011] [info] mod_wsgi (pid=14363): Attach interpreter 
''.

Can you see anything wrong in this setup.

I am really desesparate to make it to work so any help would be greatly 
appreciated :)

p.s: the details of my apapche config are detailed below

/opt/apache2/bin/httpd -V

Server version: Apache/2.2.17 (Unix)
Server built:   Mar  8 2011 10:30:57
Server's Module Magic Number: 20051115:25
Server loaded:  APR 1.4.2, APR-Util 1.3.10
Compiled using: APR 1.4.2, APR-Util 1.3.10
Architecture:   64-bit
Server MPM:     Prefork
  threaded:     no
    forked:     yes (variable process count)
Server compiled with....
 -D APACHE_MPM_DIR="server/mpm/prefork"
 -D APR_HAS_SENDFILE
 -D APR_HAS_MMAP
 -D APR_HAVE_IPV6 (IPv4-mapped addresses enabled)
 -D APR_USE_SYSVSEM_SERIALIZE
 -D APR_USE_PTHREAD_SERIALIZE
 -D SINGLE_LISTEN_UNSERIALIZED_ACCEPT
 -D APR_HAS_OTHER_CHILD
 -D AP_HAVE_RELIABLE_PIPED_LOGS
 -D DYNAMIC_MODULE_LIMIT=128
 -D HTTPD_ROOT="/opt/httpd-2.2.17"
 -D SUEXEC_BIN="/opt/httpd-2.2.17/bin/suexec"
 -D DEFAULT_PIDLOG="logs/httpd.pid"
 -D DEFAULT_SCOREBOARD="logs/apache_runtime_status"
 -D DEFAULT_LOCKFILE="logs/accept.lock"
 -D DEFAULT_ERRORLOG="logs/error_log"
 -D AP_TYPES_CONFIG_FILE="conf/mime.types"
 -D SERVER_CONFIG_FILE="conf/httpd.conf"

/opt/apache2/bin/httpd -l
Compiled in modules:
  core.c
  prefork.c
  http_core.c
  mod_so.c

/opt/apache2/bin/httpd -M
wsgi_module (shared)

ldd mod_wsgi.so
        linux-vdso.so.1 =>  (0x00007fffa7dfc000)
        libpython2.7.so.1.0 => /opt/Python-2.7.1/lib/libpython2.7.so.1.0 
(0x00002ada33569000)
        libpthread.so.0 => /lib64/libpthread.so.0 (0x00002ada33934000)
        libdl.so.2 => /lib64/libdl.so.2 (0x00002ada33b4f000)
        libutil.so.1 => /lib64/libutil.so.1 (0x00002ada33d53000)
        libm.so.6 => /lib64/libm.so.6 (0x00002ada33f57000)
        libc.so.6 => /lib64/libc.so.6 (0x00002ada341da000)
        /lib64/ld-linux-x86-64.so.2 (0x000000387b200000)

Best
Pascal Romain

Rufus Pollock <rufus.pollock at okfn.org> 
Envoyé par : okfn.rufus.pollock at gmail.com
01/06/2011 13:25
Veuillez répondre à
rufus.pollock at okfn.org

A
p.romain at cg33.fr
cc
CKAN Development Discussions <ckan-dev at lists.okfn.org>
Objet
Re: [ckan-dev] production deployment

On 1 June 2011 10:02, <p.romain at cg33.fr> wrote:
>
> Hi Rufus,
> Thanks for your help.
> I disabled the plugins and don't have anymore errors when I run "python 
datalocale.cg33.fr.py" (appart from No handlers could be found for logger 
"vdm")
>
> So normally everything should be ok...unfortunately I have a "child pid 
15602 exit signal Segmentation fault (11)" in my error_log apache log 
file.
>
> I did some research and it could be due to a conflict between mod_python 
and mod_wsgi both enabled in our apache configuration.
>
> Is it posible to disable mod_python to run ckan as a wsgi application ?

You should *definitely* run CKAN via modwsgi and not via modpython (I
made a suggestion earlier that if you had problems with plugins you
should run modwsgi in 'embedded' mode rather than daemon mode but you
should definitely use modwsgi ...)

Rufus

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