def watch_connections(address, event):
# Sleep for 4 seconds to ensure that the Python gRPC server has started
time.sleep(4)
number_of_failures = 0
timeout_sec = 1
while True:
# If there are three failures, shutdown the gRPC server.
if number_of_failures == 3:
event.set()
break
channel = grpc.insecure_channel(address)
try:
channelz_stub = channelz_pb2_grpc.ChannelzStub(channel)
# Wait for the channel to be ready.
grpc.channel_ready_future(channel).result(timeout=timeout_sec)
except grpc.FutureTimeoutError:
number_of_failures += 1
continue
servers = channelz_stub.GetServers(
channelz_pb2.GetServersRequest(start_server_id=0))
sockets = channelz_stub.GetServerSockets(
channelz_pb2.GetServerSocketsRequest(
server_id=servers.server[0].ref.server_id, start_socket_id=0))
# There should be always more than one socket connected to the server
if len(sockets.socket_ref) == 1:
number_of_failures += 1
else:
number_of_failures = 0
# Sleep for 2 seconds before polling next time
time.sleep(2)
def run(addr):
with grpc.insecure_channel(addr) as channel:
channelz_stub = channelz_pb2_grpc.ChannelzStub(channel)
# This RPC pulls server-level metrics, like sent/received messages,
# succeeded/failed RPCs. For more info see:
# https://github.com/grpc/grpc/blob/master/src/proto/grpc/channelz/channelz.proto
response = channelz_stub.GetServers(channelz_pb2.GetServersRequest())
print(f'Info for all servers: {response}')
def test_get_one_server(self):
self._pairs = _generate_channel_server_pairs(1)
gss_resp = self._channelz_stub.GetServers(
channelz_pb2.GetServersRequest(start_server_id=0))
self.assertEqual(len(gss_resp.server), 1)
gs_resp = self._channelz_stub.GetServer(
channelz_pb2.GetServerRequest(
server_id=gss_resp.server[0].ref.server_id))
self.assertEqual(gss_resp.server[0].ref.server_id,
gs_resp.server.ref.server_id)
async def bind_channelz(self, channelz_stub):
resp = await channelz_stub.GetTopChannels(
channelz_pb2.GetTopChannelsRequest(start_channel_id=0))
for channel in resp.channel:
if channel.data.target == self.address:
self.channel_ref_id = channel.ref.channel_id
resp = await channelz_stub.GetServers(
channelz_pb2.GetServersRequest(start_server_id=0))
self.server_ref_id = resp.server[-1].ref.server_id
def test_server_listen_sockets(self):
self._pairs = _generate_channel_server_pairs(1)
gss_resp = self._channelz_stub.GetServers(
channelz_pb2.GetServersRequest(start_server_id=0))
self.assertEqual(len(gss_resp.server), 1)
self.assertEqual(len(gss_resp.server[0].listen_socket), 1)
gs_resp = self._channelz_stub.GetSocket(
channelz_pb2.GetSocketRequest(
socket_id=gss_resp.server[0].listen_socket[0].socket_id))
def test_server_sockets(self):
self._pairs = _generate_channel_server_pairs(1)
self._send_successful_unary_unary(0)
self._send_failed_unary_unary(0)
gs_resp = self._channelz_stub.GetServers(
channelz_pb2.GetServersRequest(start_server_id=0))
self.assertEqual(len(gs_resp.server), 1)
self.assertEqual(gs_resp.server[0].data.calls_started, 2)
self.assertEqual(gs_resp.server[0].data.calls_succeeded, 1)
self.assertEqual(gs_resp.server[0].data.calls_failed, 1)
gss_resp = self._channelz_stub.GetServerSockets(
channelz_pb2.GetServerSocketsRequest(
server_id=gs_resp.server[0].ref.server_id, start_socket_id=0))
def test_server_call(self):
self._pairs = _generate_channel_server_pairs(1)
k_success = 23
k_failed = 29
for i in range(k_success):
self._send_successful_unary_unary(0)
for i in range(k_failed):
self._send_failed_unary_unary(0)
resp = self._channelz_stub.GetServers(
channelz_pb2.GetServersRequest(start_server_id=0))
self.assertEqual(len(resp.server), 1)
self.assertEqual(resp.server[0].data.calls_started,
k_success + k_failed)
self.assertEqual(resp.server[0].data.calls_succeeded, k_success)
self.assertEqual(resp.server[0].data.calls_failed, k_failed)
async def run(addr: str) -> None:
async with grpc.aio.insecure_channel(addr) as channel:
channelz_stub = channelz_pb2_grpc.ChannelzStub(channel)
response = await channelz_stub.GetServers(
channelz_pb2.GetServersRequest(start_server_id=0))
print('Info for all servers: %s' % response)
def test_server_basic(self):
self._pairs = _generate_channel_server_pairs(1)
resp = self._channelz_stub.GetServers(
channelz_pb2.GetServersRequest(start_server_id=0))
self.assertEqual(len(resp.server), 1)
async def _get_server_by_ref_id(self, ref_id):
"""Server id may not be consecutive"""
resp = await self._channelz_stub.GetServers(
channelz_pb2.GetServersRequest(start_server_id=ref_id))
self.assertEqual(ref_id, resp.server[0].ref.server_id)
return resp.server[0]
def run(addr):
with grpc.insecure_channel(addr) as channel:
channelz_stub = channelz_pb2_grpc.ChannelzStub(channel)
response = channelz_stub.GetServers(
channelz_pb2.GetServersRequest(start_server_id=0))
print('Info for all servers: %s' % response)