> On 27 Oct 2017, at 2:58 pm, Isabelle <[email protected]> wrote:
>
> Hi it turns out I had to give my new user access to some folders to do
> read/writes.
>
> I am having a problem with it throwing a 413 error. I checked my apache
> config and there was no LimitRequestBodyÂ
> <http://httpd.apache.org/docs/2.0/mod/core.html#limitrequestbody> field in
> it. I purposely set it to unlimited but i still get the 413. So just
> wondering does mod_wsgi-express control the size of input files sent over
> POST and where to set it?
Yes, mod_wsgi-express does set a default for it, because having no default is a
bad idea as it can actually be used as a denial of service attack vector.
The option to change it is:
--limit-request-body NUMBER
The maximum number of bytes which are allowed in a
request body. Defaults to 10485760 (10MB).
If you set it to 0, it will be back to unlimited.
The better thing to do is to work out what URLs actually require a higher limit
and change it for just those.
This can be done by creating a limits.conf file which contains:
<Location /some/url
# 100MB
LimitRequestBody 104857600
</Location>
Then use the option '--include-file limits.conf' to have the partial
configuration file included at the end of the generated Apache configuration
file.
Another option is to set overall limit higher, but then make it lower for just
GET requests, which usually wouldn't have request content.
# By default unlimited.
LimitRequestBody 0
<Limit GET>
# Set limit for GET to 1MB.
LimitRequestBody 1048576
</Limit>
Graham
> On Thursday, 19 October 2017 18:41:52 UTC+8, Graham Dumpleton wrote:
>
>> On 19 Oct 2017, at 8:16 pm, Isabelle <[email protected] <>> wrote:
>>
>> Thank you. I was able to run this hello world
>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>
>> (saved as wsgi.py)
>>
>> def application(environ, start_response):
>>
>> status = '200 OK'
>> output = 'Hello World!'
>>
>> response_headers = [('Content-type', 'text/plain'),
>> ('Content-Length', str(len(output)))]
>>
>> start_response(status, response_headers)
>>
>> return [output]
>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>
>>
>> with these added to my docker file:
>>
>> RUN apt-get update && \
>> apt-get install -y --no-install-recommends apache2 apache2-dev locales && \
>> apt-get clean && \
>> rm -r /var/lib/apt/lists/*
>>
>> RUN pip install --no-cache-dir mod_wsgi
>>
>>
>
> Copy your requirements.txt to the image and use:
>
> RUN pip install --no-cache-dir -r requirements.txt
>
>> RUN adduser --disabled-password --gecos "apache" --uid 1001 --gid 0 --home
>> /app apache && \
>> chmod g+w /etc/passwd
>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>
>> mod_wsgi-express start-server --port "8080" --user apache --log-to-terminal
>> wsgi.py
>>
>> and then i tried my own
>>
>> >>>>>>>>>>>>>>>>
>>
>> (saved as wsgi2.py)
>>
>> import sys
>>
>> #Expand Python classes path with your app's path
>> sys.path.insert(0, "/app")
>>
>> from manage import app as application
>>
>> >>>>>>>>>>>>>>>>
>>
>> mod_wsgi-express start-server --port "8080" --user apache --log-to-terminal
>> wsgi2.py
>>
>>
>>
>> And got something running but with some dependencies not found, which is
>> strange. But I was indeed running things from root without a python virtual
>> environment previously. So will probably have to dig around there to figure
>> how it works now that the dockerfile set up a new user account.
>>
>>
>>
>>
>> On Thursday, 19 October 2017 09:36:57 UTC+8, Isabelle wrote:
>> Hi, I have been attempting to do the hello world on a docker-ce but failling
>> and would like to make a hello world for mod wsgi work. I am currently stuck
>> and not sure how to proceed because I don't see error messages from the mod
>> wsgi
>>
>>
>>
>> Client:
>> Version: 17.09.0-ce
>> API version: 1.32
>> Go version: go1.8.3
>> Git commit: afdb6d4
>> Built: Tue Sep 26 22:42:18 2017
>> OS/Arch: linux/amd64
>>
>> Server:
>> Version: 17.09.0-ce
>> API version: 1.32 (minimum version 1.12)
>> Go version: go1.8.3
>> Git commit: afdb6d4
>> Built: Tue Sep 26 22:40:56 2017
>> OS/Arch: linux/amd64
>> Experimental: false
>>
>> with ubuntu
>>
>> more /etc/lsb-release
>> DISTRIB_ID=Ubuntu
>> DISTRIB_RELEASE=16.04
>> DISTRIB_CODENAME=xenial
>> DISTRIB_DESCRIPTION="Ubuntu 16.04.3 LTS"
>>
>> and apache and python2
>>
>> apache2ctl -M
>> AH00558: apache2: Could not reliably determine the server's fully qualified
>> domain name, using 172.17.0.2. Set the 'ServerName' directive globally to
>> suppress this message
>> Loaded Modules:
>> core_module (static)
>> so_module (static)
>> watchdog_module (static)
>> http_module (static)
>> log_config_module (static)
>> logio_module (static)
>> version_module (static)
>> unixd_module (static)
>> access_compat_module (shared)
>> alias_module (shared)
>> auth_basic_module (shared)
>> authn_core_module (shared)
>> authn_file_module (shared)
>> authz_core_module (shared)
>> authz_host_module (shared)
>> authz_user_module (shared)
>> autoindex_module (shared)
>> deflate_module (shared)
>> dir_module (shared)
>> env_module (shared)
>> filter_module (shared)
>> mime_module (shared)
>> mpm_event_module (shared)
>> negotiation_module (shared)
>> setenvif_module (shared)
>> status_module (shared)
>> wsgi_module (shared)
>>
>> dpkg -s libapache2-mod-wsgi
>> Package: libapache2-mod-wsgi
>> Status: install ok installed
>> Priority: optional
>> Section: httpd
>> Installed-Size: 242
>> Maintainer: Ubuntu Developers
>> Architecture: amd64
>> Source: mod-wsgi
>> Version: 4.3.0-1.1build1
>> Provides: httpd-wsgi
>> Depends: libc6 (>= 2.14), libpython2.7 (>= 2.7), apache2-api-20120211,
>> apache2-bin (>= 2.4.16), python (>= 2.7), python (<< 2.8)
>> Conffiles:
>> /etc/apache2/mods-available/wsgi.conf c4ca5be35d0820b5d5cc2892097b476b
>> /etc/apache2/mods-available/wsgi.load 06d2b4d2c95b28720f324bd650b7cbd6
>> Description: Python WSGI adapter module for Apache
>> The mod_wsgi adapter is an Apache module that provides a WSGI (Web Server
>> Gateway Interface, a standard interface between web server software and
>> web applications written in Python) compliant interface for hosting Python
>> based web applications within Apache. The adapter provides significantly
>> better performance than using existing WSGI adapters for mod_python or CGI.
>> .
>> This package provides module for Python 2.X.
>> Original-Maintainer: Debian Python Modules Team
>> Homepage: http://www.modwsgi.org/ <http://www.modwsgi.org/>
>> root@e3807b2573b3:/usr/lib/apache2/modules# ldd mod_wsgi.so
>> linux-vdso.so.1 => (0x00007fff4fbd3000)
>> libpython2.7.so.1.0 => /usr/lib/x86_64-linux-gnu/libpython2.7.so.1.0
>> (0x00007f0041a33000)
>> libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007f0041816000)
>> libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f004144b000)
>> libz.so.1 => /lib/x86_64-linux-gnu/libz.so.1 (0x00007f0041231000)
>> libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007f004102d000)
>> libutil.so.1 => /lib/x86_64-linux-gnu/libutil.so.1 (0x00007f0040e29000)
>> libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007f0040b20000)
>> /lib64/ld-linux-x86-64.so.2 (0x000056530c32f000)
>>
>> I have created the following files
>>
>> /usr/local/www/wsgi-scripts/myapp.wsgi
>>
>> def application(environ, start_response):
>> status = '200 OK'
>> output = 'Hello World!\n'
>> response_headers = [('Content-type', 'text/plain'),
>> ('Content-Length', str(len(output)))]
>> start_response(status, response_headers)
>> return [output]
>>
>> /etc/apache2/sites-available/myapp.conf
>>
>>
>> ServerName example.com <http://example.com/>
>> DocumentRoot /usr/local/www/documents
>>
>> Order allow,deny
>> Allow from all
>>
>> WSGIScriptAlias /myapp /usr/local/www/wsgi-scripts/myapp.wsgi
>>
>> Order allow,deny
>> Allow from all
>>
>>
>> I have run the command, "a2ensite myapp"
>>
>> And then I restart apache2 "/etc/init.d/apache2 restart"
>>
>> And I attempt to view 172.17.0.2/myapp <http://172.17.0.2/myapp> from my
>> browser and it gives me a 404
>>
>> 172.17.0.2 shows me the apache homepage
>>
>> My apache log file is giving print outs from my previous failed attempt to
>> try out flask modwsgi and apache ... I am not sure what I am looking at.
>>
>> [Thu Oct 19 01:19:46.036918 2017] [wsgi:warn] [pid 4016:tid 140327866734464]
>> mod_wsgi: Compiled for Python/2.7.11. <http://2.7.0.11/>
>> [Thu Oct 19 01:19:46.036971 2017] [wsgi:warn] [pid 4016:tid 140327866734464]
>> mod_wsgi: Runtime using Python/2.7.12. <http://2.7.0.12/>
>> [Thu Oct 19 01:19:46.037195 2017] [wsgi:debug] [pid 4016:tid
>> 140327866734464] src/server/mod_wsgi.c(7362): mod_wsgi (pid=4016): Socket
>> for 'webtool' is '/var/run/apache2
>> /wsgi.4016.0.1.sock'.
>> [Thu Oct 19 01:19:46.037229 2017] [wsgi:debug] [pid 4016:tid
>> 140327866734464] src/server/mod_wsgi.c(7420): mod_wsgi (pid=4016): Listen
>> backlog for socket '/var/run/apach
>> e2/wsgi.4016.0.1.sock' is '100'.
>> [Thu Oct 19 01:19:46.037465 2017] [wsgi:info] [pid 4019:tid 140327866734464]
>> mod_wsgi (pid=4019): Starting process 'webtool' with uid=33, gid=33 and
>> threads=5.
>> [Thu Oct 19 01:19:46.037594 2017] [wsgi:info] [pid 4019:tid 140327866734464]
>> mod_wsgi (pid=4019): Initializing Python.
>> [Thu Oct 19 01:19:46.037890 2017] [mpm_event:notice] [pid 4016:tid
>> 140327866734464] AH00489: Apache/2.4.18 (Ubuntu) mod_wsgi/4.3.0
>> Python/2.7.12 configured -- resuming n
>> ormal operations
>> [Thu Oct 19 01:19:46.037904 2017] [mpm_event:info] [pid 4016:tid
>> 140327866734464] AH00490: Server built: 2017-09-18T15:09:02
>> [Thu Oct 19 01:19:46.037915 2017] [core:notice] [pid 4016:tid
>> 140327866734464] AH00094: Command line: '/usr/sbin/apache2'
>> [Thu Oct 19 01:19:46.037919 2017] [core:debug] [pid 4016:tid
>> 140327866734464] log.c(1546): AH02639: Using SO_REUSEPORT: yes (1)
>> [Thu Oct 19 01:19:46.037954 2017] [wsgi:info] [pid 4020:tid 140327866734464]
>> mod_wsgi (pid=4020): Initializing Python.
>> [Thu Oct 19 01:19:46.038284 2017] [wsgi:info] [pid 4021:tid 140327866734464]
>> mod_wsgi (pid=4021): Initializing Python.
>> [Thu Oct 19 01:19:46.044567 2017] [wsgi:info] [pid 4019:tid 140327866734464]
>> mod_wsgi (pid=4019): Attach interpreter ''.
>> [Thu Oct 19 01:19:46.044844 2017] [wsgi:debug] [pid 4019:tid
>> 140327762720512] src/server/mod_wsgi.c(7971): mod_wsgi (pid=4019): Started
>> thread 0 in daemon process 'webto
>> ol'.
>> [Thu Oct 19 01:19:46.044904 2017] [wsgi:debug] [pid 4019:tid
>> 140327745910528] src/server/mod_wsgi.c(7971): mod_wsgi (pid=4019): Started
>> thread 2 in daemon process 'webto
>> ol'.
>> [Thu Oct 19 01:19:46.044896 2017] [wsgi:debug] [pid 4019:tid
>> 140327754319616] src/server/mod_wsgi.c(7971): mod_wsgi (pid=4019): Started
>> thread 1 in daemon process 'webto
>> ol'.
>> [Thu Oct 19 01:19:46.044935 2017] [wsgi:debug] [pid 4019:tid
>> 140327737509632] src/server/mod_wsgi.c(7971): mod_wsgi (pid=4019): Started
>> thread 3 in daemon process 'webto
>> ol'.
>> [Thu Oct 19 01:19:46.044961 2017] [wsgi:debug] [pid 4019:tid
>> 140327729108736] src/server/mod_wsgi.c(7971): mod_wsgi (pid=4019): Started
>> thread 4 in daemon process 'webto
>> ol'.
>> [Thu Oct 19 01:19:46.054970 2017] [wsgi:info] [pid 4020:tid 140327866734464]
>> mod_wsgi (pid=4020): Attach interpreter ''.
>> [Thu Oct 19 01:19:46.054970 2017] [wsgi:info] [pid 4021:tid 140327866734464]
>> mod_wsgi (pid=4021): Attach interpreter ''.
>> [Thu Oct 19 01:19:46.055565 2017] [mpm_event:debug] [pid 4021:tid
>> 140327779505920] event.c(2094): AH02471: start_threads: Using epoll
>> [Thu Oct 19 01:19:46.055571 2017] [mpm_event:debug] [pid 4020:tid
>> 140327779505920] event.c(2094): AH02471: start_threads: Using epoll
>>
>>
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