4ee3d468c7
If the app is killed with either one of these signals, it'll shutdown gracefully and exit with zero. Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com> Change-Id: I630f9e34c3ccb382c8e1b53d0f589f3ec4d1483b Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/11727 Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com> Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Reviewed-by: Jim Harris <james.r.harris@intel.com> Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
106 lines
3.8 KiB
Python
106 lines
3.8 KiB
Python
from concurrent import futures
|
|
from contextlib import contextmanager
|
|
from multiprocessing import Lock
|
|
import grpc
|
|
import logging
|
|
from .device import DeviceException
|
|
from .proto import sma_pb2 as pb2
|
|
from .proto import sma_pb2_grpc as pb2_grpc
|
|
|
|
|
|
class StorageManagementAgent(pb2_grpc.StorageManagementAgentServicer):
|
|
def __init__(self, addr, port):
|
|
self._devices = {}
|
|
self._server = grpc.server(futures.ThreadPoolExecutor(max_workers=1))
|
|
self._server.add_insecure_port(f'{addr}:{port}')
|
|
pb2_grpc.add_StorageManagementAgentServicer_to_server(self, self._server)
|
|
|
|
def _grpc_method(f):
|
|
def wrapper(self, request, context):
|
|
logging.debug(f'{f.__name__}\n{request}')
|
|
return f(self, request, context)
|
|
return wrapper
|
|
|
|
def register_device(self, device_manager):
|
|
self._devices[device_manager.protocol] = device_manager
|
|
|
|
def start(self):
|
|
self._server.start()
|
|
|
|
def stop(self):
|
|
self._server.stop(None)
|
|
|
|
def _find_device_by_name(self, name):
|
|
return self._devices.get(name)
|
|
|
|
def _find_device_by_handle(self, handle):
|
|
for device in self._devices.values():
|
|
try:
|
|
if device.owns_device(handle):
|
|
return device
|
|
except NotImplementedError:
|
|
pass
|
|
return None
|
|
|
|
@_grpc_method
|
|
def CreateDevice(self, request, context):
|
|
response = pb2.CreateDeviceResponse()
|
|
try:
|
|
manager = self._find_device_by_name(request.WhichOneof('params'))
|
|
if manager is None:
|
|
raise DeviceException(grpc.StatusCode.INVALID_ARGUMENT,
|
|
'Unsupported device type')
|
|
response = manager.create_device(request)
|
|
except DeviceException as ex:
|
|
context.set_details(ex.message)
|
|
context.set_code(ex.code)
|
|
except NotImplementedError:
|
|
context.set_details('Method is not implemented by selected device type')
|
|
context.set_code(grpc.StatusCode.UNIMPLEMENTED)
|
|
return response
|
|
|
|
@_grpc_method
|
|
def DeleteDevice(self, request, context):
|
|
response = pb2.DeleteDeviceResponse()
|
|
try:
|
|
device = self._find_device_by_handle(request.handle)
|
|
if device is None:
|
|
raise DeviceException(grpc.StatusCode.NOT_FOUND,
|
|
'Invalid device handle')
|
|
device.delete_device(request)
|
|
except DeviceException as ex:
|
|
context.set_details(ex.message)
|
|
context.set_code(ex.code)
|
|
except NotImplementedError:
|
|
context.set_details('Method is not implemented by selected device type')
|
|
context.set_code(grpc.StatusCode.UNIMPLEMENTED)
|
|
return response
|
|
|
|
@_grpc_method
|
|
def AttachVolume(self, request, context):
|
|
response = pb2.AttachVolumeResponse()
|
|
try:
|
|
device = self._find_device_by_handle(request.device_handle)
|
|
if device is None:
|
|
raise DeviceException(grpc.StatusCode.NOT_FOUND, 'Invalid device handle')
|
|
device.attach_volume(request)
|
|
except DeviceException as ex:
|
|
context.set_details(ex.message)
|
|
context.set_code(ex.code)
|
|
except NotImplementedError:
|
|
context.set_details('Method is not implemented by selected device type')
|
|
context.set_code(grpc.StatusCode.UNIMPLEMENTED)
|
|
return response
|
|
|
|
@_grpc_method
|
|
def DetachVolume(self, request, context):
|
|
response = pb2.DetachVolumeResponse()
|
|
try:
|
|
device = self._find_device_by_handle(request.device_handle)
|
|
if device is not None:
|
|
device.detach_volume(request)
|
|
except DeviceException as ex:
|
|
context.set_details(ex.message)
|
|
context.set_code(ex.code)
|
|
return response
|