def main():
eventlet.monkey_patch()
# the configuration will be read into the cfg.CONF global data structure
config.parse(sys.argv[1:])
if not cfg.CONF.config_file:
sys.exit(
_("ERROR: Unable to find configuration file via the default"
" search paths (~/.neutron/, ~/, /etc/neutron/, /etc/) and"
" the '--config-file' option!"))
try:
pool = eventlet.GreenPool()
neutron_api = service.serve_wsgi(service.NeutronApiService)
api_thread = pool.spawn(neutron_api.wait)
try:
neutron_rpc = service.serve_rpc()
except NotImplementedError:
LOG.info(_("RPC was already started in parent process by plugin."))
else:
rpc_thread = pool.spawn(neutron_rpc.wait)
# api and rpc should die together. When one dies, kill the other.
rpc_thread.link(lambda gt: api_thread.kill())
api_thread.link(lambda gt: rpc_thread.kill())
pool.waitall()
except KeyboardInterrupt:
pass
except RuntimeError as e:
sys.exit(_("ERROR: %s") % e)
def main():
# the configuration will be read into the cfg.CONF global data structure
config.init(sys.argv[1:])
if not cfg.CONF.config_file:
sys.exit(_("ERROR: Unable to find configuration file via the default"
" search paths (~/.neutron/, ~/, /etc/neutron/, /etc/) and"
" the '--config-file' option!"))
try:
pool = eventlet.GreenPool()
neutron_api = service.serve_wsgi(service.NeutronApiService)
api_thread = pool.spawn(neutron_api.wait)
try:
neutron_rpc = service.serve_rpc()
except NotImplementedError:
LOG.info(_LI("RPC was already started in parent process by "
"plugin."))
else:
rpc_thread = pool.spawn(neutron_rpc.wait)
# api and rpc should die together. When one dies, kill the other.
rpc_thread.link(lambda gt: api_thread.kill())
api_thread.link(lambda gt: rpc_thread.kill())
pool.waitall()
except KeyboardInterrupt:
pass
except RuntimeError as e:
sys.exit(_("ERROR: %s") % e)
def eventlet_wsgi_server():
# 启动RESTful API 以协程方式
# api服务的实现是NeutronApiService，这是一个符合WSGI规范的app，通过paste进行配置
# neutron/service.py
# paste文件位置可以在配置文件中指定，默认是/etc/neutron/api-paste.ini，在代码中是etc/api-paste.ini。
# 查看api-paste.ini可以确定v2版api的实现是在neutron.api.v2.router:APIRouter
neutron_api = service.serve_wsgi(service.NeutronApiService)
# 启动RPC api
start_api_and_rpc_workers(neutron_api)
def main():
# the configuration will be read into the cfg.CONF global data structure
config.parse(sys.argv[1:])
if not cfg.CONF.config_file:
sys.exit(_("ERROR: Unable to find configuration file via the default"
" search paths (~/.neutron/, ~/, /etc/neutron/, /etc/) and"
" the '--config-file' option!"))
try:
neutron_service = service.serve_wsgi(service.NeutronApiService)
neutron_service.wait()
except RuntimeError as e:
sys.exit(_("ERROR: %s") % e)
def main():
eventlet.monkey_patch()
# the configuration will be read into the cfg.CONF global data structure
config.parse(sys.argv[1:])
if not cfg.CONF.config_file:
sys.exit(_("ERROR: Unable to find configuration file via the default"
" search paths (~/.neutron/, ~/, /etc/neutron/, /etc/) and"
" the '--config-file' option!"))
try:
neutron_service = service.serve_wsgi(service.NeutronApiService)
neutron_service.wait()
except RuntimeError as e:
sys.exit(_("ERROR: %s") % e)
def main():
# the configuration will be read into the cfg.CONF global data structure
##SM:initialize rpc transport
config.init(sys.argv[1:])
if not cfg.CONF.config_file:
sys.exit(
_("ERROR: Unable to find configuration file via the default"
" search paths (~/.neutron/, ~/, /etc/neutron/, /etc/) and"
" the '--config-file' option!"))
try:
pool = eventlet.GreenPool()
neutron_api = service.serve_wsgi(service.NeutronApiService)
api_thread = pool.spawn(neutron_api.wait)
try:
neutron_rpc = service.serve_rpc()
except NotImplementedError:
LOG.info(
_LI("RPC was already started in parent process by "
"plugin."))
else:
rpc_thread = pool.spawn(neutron_rpc.wait)
# api and rpc should die together. When one dies, kill the other.
rpc_thread.link(lambda gt: api_thread.kill())
api_thread.link(lambda gt: rpc_thread.kill())
try:
print "===main===start==service.serve_notification_rpc=========="
neutron_notification_rpc = service.serve_notification_rpc()
print "===main===end==service.serve_notification_rpc=========="
except Exception as ex:
print "===main===failed==service.serve_notification_rpc=========="
raise ex
pool.waitall()
print "===main===after====pool.waitall()=========="
except KeyboardInterrupt:
pass
except RuntimeError as e:
sys.exit(_("ERROR: %s") % e)
def _eventlet_wsgi_server():
pool = eventlet.GreenPool()
neutron_api = service.serve_wsgi(service.NeutronApiService)
api_thread = pool.spawn(neutron_api.wait)
try:
neutron_rpc = service.serve_rpc()
except NotImplementedError:
LOG.info(_LI("RPC was already started in parent process by "
"plugin."))
else:
rpc_thread = pool.spawn(neutron_rpc.wait)
plugin_workers = service.start_plugin_workers()
for worker in plugin_workers:
pool.spawn(worker.wait)
# api and rpc should die together. When one dies, kill the other.
rpc_thread.link(lambda gt: api_thread.kill())
api_thread.link(lambda gt: rpc_thread.kill())
pool.waitall()
def eventlet_wsgi_server():
neutron_api = service.serve_wsgi(service.NeutronApiService)
start_api_and_rpc_workers(neutron_api)
def eventlet_wsgi_server():
neutron_api = service.serve_wsgi(service.NeutronApiService)
start_api_and_rpc_workers(neutron_api)