93 lines
3.5 KiB
Python
93 lines
3.5 KiB
Python
|
import os
|
||
|
|
import textwrap
|
||
|
|
|
||
|
|
from django.template import Template, Context
|
||
|
|
from django.utils.translation import ugettext_lazy as _
|
||
|
|
|
||
|
|
from orchestra.contrib.orchestration import ServiceController, replace
|
||
|
|
|
||
|
|
from . import WebAppServiceMixin
|
||
|
|
from .. import settings
|
||
|
|
|
||
|
|
|
||
|
|
class PythonBackend(WebAppServiceMixin, ServiceController):
|
||
|
|
verbose_name = _("Python uWSGI")
|
||
|
|
default_route_match = "webapp.type.endswith('python')"
|
||
|
|
|
||
|
|
def save(self, webapp):
|
||
|
|
context = self.get_context(webapp)
|
||
|
|
self.create_webapp_dir(context)
|
||
|
|
self.set_under_construction(context)
|
||
|
|
self.save_uwsgi(webapp, context)
|
||
|
|
|
||
|
|
def delete(self, webapp):
|
||
|
|
context = self.get_context(webapp)
|
||
|
|
self.delete_uwsgi(webapp, context)
|
||
|
|
self.delete_webapp_dir(context)
|
||
|
|
|
||
|
|
def save_uwsgi(self, webapp, context):
|
||
|
|
self.append(textwrap.dedent("""\
|
||
|
|
uwsgi_config='%(uwsgi_config)s'
|
||
|
|
{
|
||
|
|
echo -e "${uwsgi_config}" | diff -N -I'^\s*;;' %(uwsgi_path)s -
|
||
|
|
} || {
|
||
|
|
echo -e "${uwsgi_config}" > %(uwsgi_path)s
|
||
|
|
UPDATED_UWSGI=1
|
||
|
|
}
|
||
|
|
ln -s %(uwsgi_path)s %(uwsgi_enabled)s
|
||
|
|
""") % context
|
||
|
|
)
|
||
|
|
|
||
|
|
def delete_uwsgi(self, webapp, context):
|
||
|
|
self.append("rm -f %(uwsgi_path)s" % context)
|
||
|
|
self.append("rm -f %(uwsgi_enabled)s" % context)
|
||
|
|
|
||
|
|
def get_uwsgi_ini(self, context):
|
||
|
|
# TODO switch to this http://uwsgi-docs.readthedocs.org/en/latest/Emperor.html
|
||
|
|
# TODO http://uwsgi-docs.readthedocs.org/en/latest/Changelog-1.9.1.html#on-demand-vassals
|
||
|
|
return textwrap.dedent("""\
|
||
|
|
[uwsgi]
|
||
|
|
plugins = python{python_version_number}
|
||
|
|
chdir = {app_path}
|
||
|
|
module = {app_name}.wsgi
|
||
|
|
chmod-socket = 660
|
||
|
|
stats = /run/uwsgi/%(deb-confnamespace)/%(deb-confname)/statsocket
|
||
|
|
vacuum = true
|
||
|
|
uid = {user}
|
||
|
|
gid = {group}
|
||
|
|
env = HOME={home}
|
||
|
|
harakiri = {timeout}
|
||
|
|
max-requests = {max_requests}
|
||
|
|
|
||
|
|
cheaper-algo = spare
|
||
|
|
cheaper = 1
|
||
|
|
workers = {workers}
|
||
|
|
cheaper-step = 1
|
||
|
|
cheaper-overload = 5"""
|
||
|
|
).format(context)
|
||
|
|
|
||
|
|
def update_uwsgi_context(self, webapp, context):
|
||
|
|
context.update({
|
||
|
|
'uwsgi_ini': self.get_uwsgi_ini(context),
|
||
|
|
'uwsgi_dir': settings.WEBAPPS_UWSGI_BASE_DIR,
|
||
|
|
'uwsgi_path': os.path.join(settings.WEBAPPS_UWSGI_BASE_DIR,
|
||
|
|
'apps-available/%s.ini'% context['app_name']),
|
||
|
|
'uwsgi_enabled': os.path.join(settings.WEBAPPS_UWSGI_BASE_DIR,
|
||
|
|
'apps-enabled/%s.ini'% context['app_name']),
|
||
|
|
})
|
||
|
|
return context
|
||
|
|
|
||
|
|
def get_context(self, webapp):
|
||
|
|
context = super(PHPBackend, self).get_context(webapp)
|
||
|
|
options = webapp.get_options()
|
||
|
|
context.update({
|
||
|
|
'python_version': webapp.type_instance.get_python_version(),
|
||
|
|
'python_version_number': webapp.type_instance.get_python_version_number(),
|
||
|
|
'max_requests': settings.WEBAPPS_PYTHON_MAX_REQUESTS,
|
||
|
|
'workers': options.get('processes', settings.WEBAPPS_PYTHON_DEFAULT_MAX_WORKERS),
|
||
|
|
'timeout': options.get('timeout', settings.WEBAPPS_PYTHON_DEFAULT_TIMEOUT),
|
||
|
|
})
|
||
|
|
self.update_uwsgi_context(webapp, context)
|
||
|
|
replace(context, "'", '"')
|
||
|
|
return context
|