87 lines
3.1 KiB
Python
87 lines
3.1 KiB
Python
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import os
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import textwrap
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from django.utils.translation import gettext_lazy as _
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from orchestra.contrib.orchestration import ServiceController, replace
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from . import WebAppServiceMixin
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from .. import settings
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class uWSGIPythonController(WebAppServiceMixin, ServiceController):
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"""
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<a href="http://uwsgi-docs.readthedocs.org/en/latest/Emperor.html">Emperor mode</a>
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"""
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verbose_name = _("Python uWSGI")
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default_route_match = "webapp.type.endswith('python')"
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doc_settings = (settings, (
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'WEBAPPS_UWSGI_BASE_DIR',
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'WEBAPPS_PYTHON_MAX_REQUESTS',
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'WEBAPPS_PYTHON_DEFAULT_MAX_WORKERS',
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'WEBAPPS_PYTHON_DEFAULT_TIMEOUT',
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))
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def save(self, webapp):
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context = self.get_context(webapp)
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self.create_webapp_dir(context)
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self.set_under_construction(context)
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self.save_uwsgi(webapp, context)
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def delete(self, webapp):
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context = self.get_context(webapp)
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self.delete_uwsgi(webapp, context)
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self.delete_webapp_dir(context)
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def save_uwsgi(self, webapp, context):
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self.append("echo '%(uwsgi_config)s' > %(vassal_path)s" % context)
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def delete_uwsgi(self, webapp, context):
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self.append("rm -f %(vassal_path)s" % context)
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def get_uwsgi_ini(self, context):
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return textwrap.dedent("""\
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# %(banner)s
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[uwsgi]
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plugins = python{python_version_number}
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chdir = {app_path}
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module = {app_name}.wsgi
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chmod-socket = 660
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stats = /run/uwsgi/%(deb-confnamespace)/%(deb-confname)/statsocket
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vacuum = true
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uid = {user}
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gid = {group}
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env = HOME={home}
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harakiri = {timeout}
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max-requests = {max_requests}
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cheaper-algo = spare
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cheaper = 1
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workers = {workers}
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cheaper-step = 1
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cheaper-overload = 5"""
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).format(context)
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def update_uwsgi_context(self, webapp, context):
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context.update({
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'uwsgi_ini': self.get_uwsgi_ini(context),
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'uwsgi_dir': settings.WEBAPPS_UWSGI_BASE_DIR,
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'vassal_path': os.path.join(settings.WEBAPPS_UWSGI_BASE_DIR,
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'vassals/%s' % context['app_name']),
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})
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return context
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def get_context(self, webapp):
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context = super(uWSGIPythonController, self).get_context(webapp)
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options = webapp.get_options()
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context.update({
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'python_version': webapp.type_instance.get_python_version(),
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'python_version_number': webapp.type_instance.get_python_version_number(),
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'max_requests': settings.WEBAPPS_PYTHON_MAX_REQUESTS,
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'workers': options.get('processes', settings.WEBAPPS_PYTHON_DEFAULT_MAX_WORKERS),
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'timeout': options.get('timeout', settings.WEBAPPS_PYTHON_DEFAULT_TIMEOUT),
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})
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self.update_uwsgi_context(webapp, context)
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replace(context, "'", '"')
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return context
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