Channels, daphne, and asgiref, oh my!
Larry Martell
Django 2.0.4, python 3.5.2
Trying to get channels, websockets, daphne, and asgiref working.
When I installed the latest channels it did not work with my version
of mysqlclient and some googling led me to install 2.0 of channels.
That worked fine with the dev server, and then I wanted to deploy my
app in prod. In prod we use nginx/uwsgi so I was going to replace
uwsgi with daphne. When I tried to run daphne I got:
ImportError: No module named 'asgiref.compatibility'
Googling that I was led to upgrade asgiref to the latest version.
After I did that I got:
AttributeError: module 'asyncio.coroutines' has no attribute '_is_coroutine'
Have not been able to get past this one.
Anyone have any thoughts? Would upgrading django and python fix these
issues? I am planning on doing that soon, but I was not planning on
doing that now. Don't want to upgrade now and then find I still have
issues. Can I get all this to work with my current versions and
upgrade later?
TIA!
Larry
Aldian Fazrihady
asgiref==2.2.0
channels==2.0.2
channels_redis==2.3.0
daphne==2.1.0
Django==2.2.4
django-redis==4.10.0
redis==3.3.6
Twisted[tls,http2]
uwsgi==2.0.18
websockets==6.0
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Andrew Godwin
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Larry Martell
get daphne working with nginx and TLS. Can't seem to get a nginx
config file that works for me.
Larry Martell
upstream django {
# server unix:/run/uwsgi/devAppReporting.sock;
}
server {
listen 8090;
server_name foo.bar.com;
charset utf-8;
location /static {
alias /var/dev-app-reporting/static;
}
location / {
uwsgi_pass django;
include /var/dev-app-reporting/uwsgi_params;
uwsgi_read_timeout 3600;
client_max_body_size 50m;
}
}
Now I changed it to this:
upstream django {
server unix:/run/daphne/devAppReporting.sock;
}
server {
listen 8090;
server_name foo.bar.com;
charset utf-8;
location /static {
alias /var/dev-app-reporting/static;
}
location / {
proxy_pass http://0.0.0.0:8090;
proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection "upgrade";
proxy_redirect off;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Host $server_name;
}
}
Started daphne like this:
daphne -u /run/daphne/devAppReporting.sock app.dse.asgi:application
I get a 502 bad gateway error and this in the log:
2020/02/24 22:17:26 [alert] 29169#29169: 768 worker_connections are not enough
2020/02/24 22:17:26 [error] 29169#29169: *131545 recv() failed (104: Connection reset by peer) while reading response header from upstream, client: 127.0.0.1, server: dse-portfolio-dev-assessments.md.virtualclarity.com, request: "GET / HTTP/1.1", upstream: "http://0.0.0.0:8090/", host: "xx.xx.xx.xx"
Any ideas on what I should have in my config file for this to work?