def start(self, application, default_port):
"""
Run a WSGI server with the given application.
:param application: A function that can be called with no arguments
that will return the application to run in the WSGI server
:param default_port: Port to bind to if none is specified in conf
"""
def kill_children(*args):
"""Kills the entire process group."""
self.logger.error(_('SIGTERM or SIGINT received'))
signal.signal(signal.SIGTERM, signal.SIG_IGN)
signal.signal(signal.SIGINT, signal.SIG_IGN)
self.running = False
os.killpg(0, signal.SIGTERM)
def hup(*args):
"""
Shuts down the server, but allows running requests to complete
"""
self.logger.error(_('SIGHUP received'))
signal.signal(signal.SIGHUP, signal.SIG_IGN)
self.running = False
self.app_func = application
self.sock = get_socket(default_port)
os.umask(027) # ensure files are created with the correct privileges
self.logger = os_logging.getLogger('eventlet.wsgi.server')
self.exec_init_method()
if CONF.workers == 0:
# Useful for profiling, test, debug etc.
self.pool = self.create_pool()
self.pool.spawn_n(self._single_run, self.app_func(), self.sock)
self.pool.spawn_n(self.start_looping)
return
else:
self.logger.info(_("Starting %d workers") % CONF.workers)
signal.signal(signal.SIGTERM, kill_children)
signal.signal(signal.SIGINT, kill_children)
signal.signal(signal.SIGHUP, hup)
while len(self.children) < CONF.workers:
self.run_child()
# Note(hzzhoushaoyu): parent process will wait for child,
# should not run looping in parent
self.run_looping_in_child()
import functools
import inspect
import os
import platform
import subprocess
import sys
import time
import uuid
from webob import exc
from umbrella.common import exception
import umbrella.common.log as logging
LOG = logging.getLogger(__name__)
def get_support_keys(search_opts={}, support_params={}):
values = {}
for params in support_params:
if params in search_opts:
values[params] = search_opts[params]
return values
def mb_to_gb(result):
return round((float(result) / 1024), 2)
def convert_mem_to_gb_for_monitor(result):
from umbrella.common import exception
from umbrella.db.sqlalchemy import migration
from umbrella.db.sqlalchemy import models
from umbrella.common import cfg
import umbrella.common.log as os_logging
from umbrella.common import timeutils
_ENGINE = None
_MAKER = None
_MAX_RETRIES = None
_RETRY_INTERVAL = None
BASE = models.BASE
sa_logger = None
LOG = os_logging.getLogger(__name__)
db_opts = [
cfg.IntOpt('sql_idle_timeout', default=3600),
cfg.IntOpt('sql_max_retries', default=10),
cfg.IntOpt('sql_retry_interval', default=1),
cfg.BoolOpt('db_auto_create', default=False),
]
CONF = cfg.CONF
CONF.register_opts(db_opts)
def ping_listener(dbapi_conn, connection_rec, connection_proxy):