django-orchestra/orchestra/management/commands/setupnginx.py

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import textwrap
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from optparse import make_option
from os.path import expanduser
from django.conf import settings
from django.core.management.base import BaseCommand
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from orchestra.utils import paths
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from orchestra.utils.sys import run, check_root, get_default_celeryd_username
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class Command(BaseCommand):
def __init__(self, *args, **kwargs):
super(Command, self).__init__(*args, **kwargs)
self.option_list = BaseCommand.option_list + (
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make_option('--cert', dest='cert', default='',
help='Nginx SSL certificate, one will be created by default.'),
make_option('--cert-key', dest='cert_key', default='',
help='Nginx SSL certificate key.'),
make_option('--server-name', dest='server_name', default='',
help='Nginx SSL certificate key.'),
make_option('--user', dest='user', default='',
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help='uWSGI daemon user.'),
make_option('--group', dest='group', default='',
help='uWSGI daemon group.'),
make_option('--processes', dest='processes', default=4,
help='uWSGI number of processes.'),
make_option('--noinput', action='store_false', dest='interactive', default=True,
help='Tells Django to NOT prompt the user for input of any kind. '
'You must use --username with --noinput, and must contain the '
'cleeryd process owner, which is the user how will perform tincd updates'),
)
option_list = BaseCommand.option_list
help = 'Configures nginx + uwsgi to run with your Orchestra instance.'
@check_root
def handle(self, *args, **options):
interactive = options.get('interactive')
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cert = options.get('cert')
cert_key = options.get('cert_key')
if bool(cert) != bool(cert_key):
raise CommandError("--cert and --cert-key go in tandem")
if not cert:
run("mkdir -p /etc/nginx/ssl")
if interactive:
run("openssl req -x509 -nodes -days 365 -newkey rsa:2048 -keyout /etc/nginx/ssl/nginx.key -out /etc/nginx/ssl/nginx.crt")
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context = {
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'project_name': paths.get_project_name(),
'project_dir': paths.get_project_dir(),
'site_dir': paths.get_site_dir(),
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'static_root': settings.STATIC_ROOT,
'user': options.get('user'),
'group': options.get('group') or options.get('user'),
'home': expanduser("~%s" % options.get('user')),
'processes': int(options.get('processes')),}
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nginx_conf = textwrap.dedent("""\
server {
listen 80;
listen [::]:80 ipv6only=on;
rewrite ^/$ /admin/;
client_max_body_size 500m;
location / {
uwsgi_pass unix:///var/run/uwsgi/app/%(project_name)s/socket;
include uwsgi_params;
}
location /static {
alias %(static_root)s;
expires 30d;
}
}
"""
) % context
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uwsgi_conf = textwrap.dedent("""\
[uwsgi]
plugins = python
chdir = %(site_dir)s
module = %(project_name)s.wsgi
master = true
processes = %(processes)d
chmod-socket = 664
stats = /run/uwsgi/%%(deb-confnamespace)/%%(deb-confname)/statsocket
vacuum = true
uid = %(user)s
gid = %(group)s
env = HOME=%(home)s
touch-reload = %(project_dir)s/wsgi.py
"""
) % context
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nginx = {
'file': '/etc/nginx/conf.d/%(project_name)s.conf' % context,
'conf': nginx_conf }
uwsgi = {
'file': '/etc/uwsgi/apps-available/%(project_name)s.ini' % context,
'conf': uwsgi_conf }
for extra_context in (nginx, uwsgi):
context.update(extra_context)
diff = run("echo '%(conf)s'|diff - %(file)s" % context, error_codes=[0,1,2])
if diff.return_code == 2:
# File does not exist
run("echo '%(conf)s' > %(file)s" % context)
elif diff.return_code == 1:
# File is different, save the old one
if interactive:
msg = ("\n\nFile %(file)s be updated, do you like to overide "
"it? (yes/no): " % context)
confirm = input(msg)
while 1:
if confirm not in ('yes', 'no'):
confirm = input('Please enter either "yes" or "no": ')
continue
if confirm == 'no':
return
break
run("cp %(file)s %(file)s.save" % context)
run("echo '%(conf)s' > %(file)s" % context)
self.stdout.write("\033[1;31mA new version of %(file)s has been installed.\n "
"The old version has been placed at %(file)s.save\033[m" % context)
run('ln -s /etc/uwsgi/apps-available/%(project_name)s.ini /etc/uwsgi/apps-enabled/' % context, error_codes=[0,1])
# nginx should start after tincd
current = "\$local_fs \$remote_fs \$network \$syslog"
run('sed -i "s/ %s$/ %s \$named/g" /etc/init.d/nginx' % (current, current))
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rotate = textwrap.dedent("""\
/var/log/nginx/*.log {
daily
missingok
rotate 30
compress
delaycompress
notifempty
create 640 root adm
sharedscripts
postrotate
[ ! -f /var/run/nginx.pid ] || kill -USR1 `cat /var/run/nginx.pid`
endscript
}"""
)
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run("echo '%s' > /etc/logrotate.d/nginx" % rotate)
# Allow nginx to write to uwsgi socket
run('adduser www-data %(group)s' % context)