class WebServiceInterface(Interface):
default_http_port = 4080
def __init__(self, *args, **kwargs):
super(WebServiceInterface, self).__init__(*args, **kwargs)
self.application = Request.application(self.dispatch_request)
if self.container.debug:
from werkzeug.debug import DebuggedApplication
self.application = DebuggedApplication(self.application, evalex=True)
self.wsgi_server = None
def __call__(self, *args, **kwargs):
# Make the object itself a WSGI app
return self.application(*args, **kwargs)
def apply_config(self, config):
super(WebServiceInterface, self).apply_config(config)
self.http_port = config.get('port', self.default_http_port)
self.pool_size = config.get('wsgi_pool_size')
def on_start(self):
super(WebServiceInterface, self).on_start()
setup_logger('werkzeug')
setup_logger('gevent')
try:
socket_fd = self.container.get_shared_socket_fd(self.http_port)
except SocketNotCreated:
logger.warning("socket for port %s wasn't created by node, binding from instance instead", self.http_port)
address = '%s:%s' % (self.container.server.ip, self.http_port)
self.http_socket = create_socket(address)
else:
self.http_socket = create_socket('fd://%s' % socket_fd)
self.wsgi_server = LymphWSGIServer(self.http_socket, self.application, spawn=Group(self.pool_size))
self.wsgi_server.start()
def on_stop(self, **kwargs):
self.wsgi_server.stop()
super(WebServiceInterface, self).on_stop()
def dispatch_request(self, request):
logger.info('%s %s', request.method, request.path)
urls = self.url_map.bind_to_environ(request.environ)
request.urls = urls
try:
rule, kwargs = request.urls.match(return_rule=True)
handler = self.get_handler(request, rule)
if hasattr(handler, "dispatch"):
response = handler.dispatch(kwargs)
else:
response = handler(request, **kwargs)
except HTTPException as e:
response = e.get_response(request.environ)
except Exception as e:
if hasattr(e, 'to_http_response'):
response = e.to_http_response(request.environ)
else:
if not self.container.debug:
logger.exception('uncaught exception')
exc_info = sys.exc_info()
extra_info = {
'url': request.url,
'trace_id': trace.get_id(),
'interface': self.__class__.__name__,
}
try:
self.container.error_hook(exc_info, extra=extra_info)
except:
logger.exception('error hook failure')
finally:
del exc_info
if self.container.debug:
raise
response = Response('', status=500)
return response
def get_handler(self, request, rule):
if callable(rule.endpoint):
handler = rule.endpoint(self, request)
elif isinstance(rule, HandledRule):
handler = rule.handler(self, request)
else:
handler = getattr(self, rule.endpoint)
return handler
def get_wsgi_application(self):
return self.application
class WebServiceInterface(Interface):
default_http_port = None
def __init__(self, *args, **kwargs):
super(WebServiceInterface, self).__init__(*args, **kwargs)
self.application = Request.application(self.dispatch_request)
if self.container.debug:
from werkzeug.debug import DebuggedApplication
self.application = DebuggedApplication(self.application, evalex=True)
self.wsgi_server = None
def __call__(self, *args, **kwargs):
# Make the object itself a WSGI app
return self.application(*args, **kwargs)
def apply_config(self, config):
super(WebServiceInterface, self).apply_config(config)
self.http_port = config.get('port', self.default_http_port)
self.pool_size = config.get('wsgi_pool_size')
if self.http_port is None:
self.http_port = sockets.get_unused_port()
def get_description(self):
description = super(WebServiceInterface, self).get_description()
description['http_endpoint'] = 'http://%s:%s' % (self.container.server.ip, self.http_port)
return description
def on_start(self):
super(WebServiceInterface, self).on_start()
setup_logger('werkzeug')
setup_logger('gevent')
try:
socket_fd = self.container.get_shared_socket_fd(self.http_port)
except SocketNotCreated:
logger.warning("socket for port %s wasn't created by node, binding from instance instead", self.http_port)
address = '%s:%s' % (self.container.server.ip, self.http_port)
self.http_socket = sockets.create_socket(address)
else:
self.http_socket = sockets.create_socket('fd://%s' % socket_fd)
self.wsgi_server = LymphWSGIServer(self.http_socket, self.application, spawn=Group(self.pool_size))
self.wsgi_server.start()
def on_stop(self, **kwargs):
self.wsgi_server.stop()
super(WebServiceInterface, self).on_stop()
def dispatch_request(self, request):
logger.info('%s %s', request.method, request.path)
urls = self.url_map.bind_to_environ(request.environ)
request.urls = urls
try:
rule, kwargs = request.urls.match(return_rule=True)
handler = self.get_handler(request, rule)
if hasattr(handler, "dispatch"):
response = handler.dispatch(kwargs)
else:
response = handler(request, **kwargs)
except HTTPException as e:
response = e.get_response(request.environ)
except Exception as e:
if hasattr(e, 'to_http_response'):
response = e.to_http_response(request.environ)
else:
if not self.container.debug:
logger.exception('uncaught exception')
exc_info = sys.exc_info()
extra_info = {
'url': request.url,
'trace_id': trace.get_id(),
'interface': self.__class__.__name__,
}
try:
self.container.error_hook(exc_info, extra=extra_info)
except:
logger.exception('error hook failure')
finally:
del exc_info
if self.container.debug:
raise
response = Response('', status=500)
return response
def get_handler(self, request, rule):
if callable(rule.endpoint):
handler = rule.endpoint(self, request)
elif isinstance(rule, HandledRule):
handler = rule.handler(self, request)
else:
handler = getattr(self, rule.endpoint)
return handler
def get_wsgi_application(self):
return self.application
class WebServiceInterface(Interface):
NotFound = NotFound
MethodNotAllowed = MethodNotAllowed
def __init__(self, *args, **kwargs):
super(WebServiceInterface, self).__init__(*args, **kwargs)
self.application = Request.application(self.dispatch_request)
if self.container.debug:
from werkzeug.debug import DebuggedApplication
self.application = DebuggedApplication(self.application, evalex=True)
self.wsgi_server = None
self.uses_static_port = True
self.http_socket = None
def __call__(self, *args, **kwargs):
# Make the object itself a WSGI app
return self.application(*args, **kwargs)
def apply_config(self, config):
super(WebServiceInterface, self).apply_config(config)
self.http_port = config.get("port")
self.pool_size = config.get("wsgi_pool_size")
self.request_trace_id_header = config.get("tracing.request_header")
self.response_trace_id_header = config.get("tracing.response_header", "X-Trace-Id")
if not self.http_port:
self.uses_static_port = False
self.http_port = sockets.get_unused_port()
if config.get("healthcheck.enabled", True):
endpoint = config.get("healthcheck.endpoint", "/_health/")
self.url_map.add(Rule(endpoint, endpoint="get_health_check_response"))
def get_description(self):
description = super(WebServiceInterface, self).get_description()
description["http_port"] = self.http_port
return description
def on_start(self):
super(WebServiceInterface, self).on_start()
setup_logger("werkzeug")
setup_logger("gevent")
if self.uses_static_port:
try:
socket_fd = self.container.get_shared_socket_fd(self.http_port)
except NoSharedSockets:
pass
except SocketNotCreated:
logger.warning(
"socket for port %s wasn't created by node, binding from instance instead", self.http_port
)
else:
self.http_socket = sockets.create_socket("fd://%s" % socket_fd)
if not self.http_socket:
address = "%s:%s" % (self.container.server.ip, self.http_port)
self.http_socket = sockets.create_socket(address)
self.wsgi_server = LymphWSGIServer(self.http_socket, self.application, spawn=Group(self.pool_size))
self.wsgi_server.start()
web_instance = ServiceInstance(
id=self.id,
identity=self.container.identity,
hostname=socket.gethostname(),
ip=self.container.server.ip,
http_port=self.http_port,
)
self.container.service_registry.register(self.name, web_instance, namespace="http")
def on_stop(self, **kwargs):
self.wsgi_server.stop()
super(WebServiceInterface, self).on_stop()
def dispatch_request(self, request):
if self.request_trace_id_header:
trace_id = request.headers.get(self.request_trace_id_header)
else:
trace_id = None
trace.set_id(trace_id)
logger.info("%s %s", request.method, request.path)
urls = self.url_map.bind_to_environ(request.environ)
request.urls = urls
try:
rule, kwargs = request.urls.match(method=request.method, return_rule=True)
except NotFound:
response = self.NotFound().get_response(request.environ)
except MethodNotAllowed:
response = self.MethodNotAllowed().get_response(request.environ)
except HTTPException as ex:
response = ex.get_response(request.environ)
else:
response = self.handle(request, rule, kwargs)
response.headers[self.response_trace_id_header] = trace.get_id()
return response
def handle(self, request, rule, kwargs):
try:
self.container.http_request_hook(request, rule, kwargs)
handler = self.get_handler(request, rule)
if hasattr(handler, "dispatch"):
response = handler.dispatch(kwargs)
else:
response = handler(request, **kwargs)
if not isinstance(response, Response):
raise TypeError("%r is not a valid response - expected werkzeug.wrappers.Response instance" % response)
except MethodNotAllowed:
response = self.MethodNotAllowed().get_response(request.environ)
except HTTPException as e:
response = e.get_response(request.environ)
except Exception as e:
if hasattr(e, "to_http_response"):
response = e.to_http_response(request.environ)
else:
if not self.container.debug:
logger.exception("uncaught exception")
exc_info = sys.exc_info()
extra_info = {"url": request.url, "trace_id": trace.get_id(), "interface": self.__class__.__name__}
try:
self.container.error_hook(exc_info, extra=extra_info)
except:
logger.exception("error hook failure")
finally:
del exc_info
if self.container.debug:
raise
response = Response("", status=500)
return response
def get_handler(self, request, rule):
if callable(rule.endpoint):
handler = rule.endpoint(self, request)
elif isinstance(rule, HandledRule):
handler = rule.handler(self, request)
else:
handler = getattr(self, rule.endpoint)
return handler
def get_wsgi_application(self):
return self.application
def is_healthy(self):
return True
def get_health_check_response(self, request):
return Response(status=200 if self.is_healthy() else 503)
class WebServiceInterface(Interface):
NotFound = NotFound
MethodNotAllowed = MethodNotAllowed
def __init__(self, *args, **kwargs):
super(WebServiceInterface, self).__init__(*args, **kwargs)
self.application = Request.application(self.dispatch_request)
if self.container.debug:
from werkzeug.debug import DebuggedApplication
self.application = DebuggedApplication(self.application,
evalex=True)
self.wsgi_server = None
self.uses_static_port = True
self.http_socket = None
def __call__(self, *args, **kwargs):
# Make the object itself a WSGI app
return self.application(*args, **kwargs)
def apply_config(self, config):
super(WebServiceInterface, self).apply_config(config)
self.http_port = config.get('port')
self.pool_size = config.get('wsgi_pool_size')
if not self.http_port:
self.uses_static_port = False
self.http_port = sockets.get_unused_port()
if config.get('healthcheck.enabled', True):
endpoint = config.get('healthcheck.endpoint', '/_health/')
self.url_map.add(
Rule(endpoint, endpoint='get_health_check_response'))
def get_description(self):
description = super(WebServiceInterface, self).get_description()
description['http_port'] = self.http_port
return description
def on_start(self):
super(WebServiceInterface, self).on_start()
setup_logger('werkzeug')
setup_logger('gevent')
if self.uses_static_port:
try:
socket_fd = self.container.get_shared_socket_fd(self.http_port)
except NoSharedSockets:
pass
except SocketNotCreated:
logger.warning(
"socket for port %s wasn't created by node, binding from instance instead",
self.http_port)
else:
self.http_socket = sockets.create_socket('fd://%s' % socket_fd)
if not self.http_socket:
address = '%s:%s' % (self.container.server.ip, self.http_port)
self.http_socket = sockets.create_socket(address)
self.wsgi_server = LymphWSGIServer(self.http_socket,
self.application,
spawn=Group(self.pool_size))
self.wsgi_server.start()
web_instance = ServiceInstance(
identity=self.container.identity,
hostname=socket.gethostname(),
ip=self.container.server.ip,
http_port=self.http_port,
)
self.container.service_registry.register(self.name,
web_instance,
namespace='http')
def on_stop(self, **kwargs):
self.wsgi_server.stop()
super(WebServiceInterface, self).on_stop()
def dispatch_request(self, request):
trace.set_id()
logger.info('%s %s', request.method, request.path)
urls = self.url_map.bind_to_environ(request.environ)
request.urls = urls
try:
rule, kwargs = request.urls.match(method=request.method,
return_rule=True)
except NotFound:
response = self.NotFound().get_response(request.environ)
except MethodNotAllowed:
response = self.MethodNotAllowed().get_response(request.environ)
except HTTPException as ex:
response = ex.get_response(request.environ)
else:
response = self.handle(request, rule, kwargs)
response.headers['X-Trace-Id'] = trace.get_id()
return response
def handle(self, request, rule, kwargs):
try:
self.container.http_request_hook(request, rule, kwargs)
handler = self.get_handler(request, rule)
if hasattr(handler, "dispatch"):
response = handler.dispatch(kwargs)
else:
response = handler(request, **kwargs)
if not isinstance(response, Response):
raise TypeError(
'%r is not a valid response - expected werkzeug.wrappers.Response instance'
% response)
except MethodNotAllowed:
response = self.MethodNotAllowed().get_response(request.environ)
except HTTPException as e:
response = e.get_response(request.environ)
except Exception as e:
if hasattr(e, 'to_http_response'):
response = e.to_http_response(request.environ)
else:
if not self.container.debug:
logger.exception('uncaught exception')
exc_info = sys.exc_info()
extra_info = {
'url': request.url,
'trace_id': trace.get_id(),
'interface': self.__class__.__name__,
}
try:
self.container.error_hook(exc_info, extra=extra_info)
except:
logger.exception('error hook failure')
finally:
del exc_info
if self.container.debug:
raise
response = Response('', status=500)
return response
def get_handler(self, request, rule):
if callable(rule.endpoint):
handler = rule.endpoint(self, request)
elif isinstance(rule, HandledRule):
handler = rule.handler(self, request)
else:
handler = getattr(self, rule.endpoint)
return handler
def get_wsgi_application(self):
return self.application
def is_healthy(self):
return True
def get_health_check_response(self, request):
return Response(status=200 if self.is_healthy() else 503)
class WebServiceInterface(Interface):
NotFound = NotFound
MethodNotAllowed = MethodNotAllowed
def __init__(self, *args, **kwargs):
super(WebServiceInterface, self).__init__(*args, **kwargs)
self.application = app
self.wsgi_server = None
self.uses_static_port = True
self.http_socket = None
def __call__(self, *args, **kwargs):
# Make the object itself a WSGI app
return self.application(*args, **kwargs)
def apply_config(self, config):
super(WebServiceInterface, self).apply_config(config)
self.http_port = config.get('port')
self.pool_size = config.get('wsgi_pool_size')
self.request_trace_id_header = config.get('tracing.request_header')
self.response_trace_id_header = config.get('tracing.response_header', 'X-Trace-Id')
def get_trace_id_from_request():
if self.request_trace_id_header is not None:
trace.set_id(flask_current_request.get(self.request_trace_id_header))
def set_trace_id_to_response(response):
response.headers[self.response_trace_id_header] = trace.get_id()
return response
self.application.before_request(get_trace_id_from_request)
self.application.after_request(set_trace_id_to_response)
if not self.http_port:
self.uses_static_port = False
self.http_port = sockets.get_unused_port()
def get_description(self):
description = super(WebServiceInterface, self).get_description()
description['http_port'] = self.http_port
return description
def on_start(self):
super(WebServiceInterface, self).on_start()
setup_logger('werkzeug')
setup_logger('gevent')
if self.uses_static_port:
try:
socket_fd = self.container.get_shared_socket_fd(self.http_port)
except NoSharedSockets:
pass
except SocketNotCreated:
logger.warning("socket for port %s wasn't created by node, binding from instance instead", self.http_port)
else:
self.http_socket = sockets.create_socket('fd://%s' % socket_fd)
if not self.http_socket:
address = '%s:%s' % (self.container.server.ip, self.http_port)
self.http_socket = sockets.create_socket(address)
self.wsgi_server = LymphWSGIServer(self.http_socket, self.application, spawn=Group(self.pool_size))
self.wsgi_server.start()
web_instance = ServiceInstance(
id=self.id,
identity=self.container.identity,
hostname=socket.gethostname(),
ip=self.container.server.ip,
http_port=self.http_port,
)
self.container.service_registry.register(self.name, web_instance, namespace='http')
def on_stop(self, **kwargs):
self.wsgi_server.stop()
super(WebServiceInterface, self).on_stop()
def get_wsgi_application(self):
return self.application
class WebServiceInterface(Interface):
NotFound = NotFound
MethodNotAllowed = MethodNotAllowed
def __init__(self, *args, **kwargs):
super(WebServiceInterface, self).__init__(*args, **kwargs)
self.application = Request.application(self.dispatch_request)
if self.container.debug:
from werkzeug.debug import DebuggedApplication
self.application = DebuggedApplication(self.application, evalex=True)
self.wsgi_server = None
self.uses_static_port = True
self.http_socket = None
def __call__(self, *args, **kwargs):
# Make the object itself a WSGI app
return self.application(*args, **kwargs)
def apply_config(self, config):
super(WebServiceInterface, self).apply_config(config)
self.http_port = config.get('port')
self.pool_size = config.get('wsgi_pool_size')
if not self.http_port:
self.uses_static_port = False
self.http_port = sockets.get_unused_port()
if config.get('healthcheck.enabled', True):
endpoint = config.get('healthcheck.endpoint', '/_health/')
self.url_map.add(Rule(endpoint, endpoint='get_health_check_response'))
def get_description(self):
description = super(WebServiceInterface, self).get_description()
description['http_port'] = self.http_port
return description
def on_start(self):
super(WebServiceInterface, self).on_start()
setup_logger('werkzeug')
setup_logger('gevent')
if self.uses_static_port:
try:
socket_fd = self.container.get_shared_socket_fd(self.http_port)
except NoSharedSockets:
pass
except SocketNotCreated:
logger.warning("socket for port %s wasn't created by node, binding from instance instead", self.http_port)
else:
self.http_socket = sockets.create_socket('fd://%s' % socket_fd)
if not self.http_socket:
address = '%s:%s' % (self.container.server.ip, self.http_port)
self.http_socket = sockets.create_socket(address)
self.wsgi_server = LymphWSGIServer(self.http_socket, self.application, spawn=Group(self.pool_size))
self.wsgi_server.start()
def on_stop(self, **kwargs):
self.wsgi_server.stop()
super(WebServiceInterface, self).on_stop()
def dispatch_request(self, request):
trace.set_id()
logger.info('%s %s', request.method, request.path)
urls = self.url_map.bind_to_environ(request.environ)
request.urls = urls
try:
rule, kwargs = request.urls.match(method=request.method, return_rule=True)
except NotFound:
response = self.NotFound().get_response(request.environ)
except MethodNotAllowed:
response = self.MethodNotAllowed().get_response(request.environ)
except HTTPException as ex:
response = ex.get_response(request.environ)
else:
response = self.handle(request, rule, kwargs)
response.headers['X-Trace-Id'] = trace.get_id()
return response
def handle(self, request, rule, kwargs):
try:
self.container.http_request_hook(request, rule, kwargs)
handler = self.get_handler(request, rule)
if hasattr(handler, "dispatch"):
response = handler.dispatch(kwargs)
else:
response = handler(request, **kwargs)
except MethodNotAllowed:
response = self.MethodNotAllowed().get_response(request.environ)
except HTTPException as e:
response = e.get_response(request.environ)
except Exception as e:
if hasattr(e, 'to_http_response'):
response = e.to_http_response(request.environ)
else:
if not self.container.debug:
logger.exception('uncaught exception')
exc_info = sys.exc_info()
extra_info = {
'url': request.url,
'trace_id': trace.get_id(),
'interface': self.__class__.__name__,
}
try:
self.container.error_hook(exc_info, extra=extra_info)
except:
logger.exception('error hook failure')
finally:
del exc_info
if self.container.debug:
raise
response = Response('', status=500)
return response
def get_handler(self, request, rule):
if callable(rule.endpoint):
handler = rule.endpoint(self, request)
elif isinstance(rule, HandledRule):
handler = rule.handler(self, request)
else:
handler = getattr(self, rule.endpoint)
return handler
def get_wsgi_application(self):
return self.application
def is_healthy(self):
return True
def get_health_check_response(self, request):
return Response(status=200 if self.is_healthy() else 503)