コード例 #1
0
    def _execute_raid_request(self, node_request, actuator_instance, json_msg,
                              uuid):
        """Performs a RAID request by calling perform_request method of a RAID
           actuator.
        """
        # Perform the RAID request on the node and get the response
        raid_response = actuator_instance.perform_request(json_msg).strip()
        self._log_debug(f"_process_msg, raid_response: {raid_response}")

        json_msg = AckResponseMsg(node_request, raid_response, uuid).getJson()
        self._write_internal_msgQ(EgressProcessor.name(), json_msg)

        # Restart openhpid to update HPI data only if it is a H/W environment
        if self.setup in ["hw", "ssu"]:
            self._log_debug("restarting openhpid service to update HPI data")
            if "assemble" in json_msg.get("actuator_request_type").get(
                    "node_controller").get("node_request").lower():
                internal_json_msg = json.dumps({
                    "actuator_request_type": {
                        "service_controller": {
                            "service_name": "openhpid.service",
                            "service_request": "restart"
                        }
                    }
                })
                self._write_internal_msgQ(ServiceMsgHandler.name(),
                                          internal_json_msg)
コード例 #2
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    def _send_to_msg_handler(self, msgType, message, uuid):
        # Hand off to appropriate actuator message handler
        if msgType.get("thread_controller") is not None:
            self._write_internal_msgQ("ThreadController", message)

        elif msgType.get("service_controller") is not None:
            self._write_internal_msgQ("ServiceMsgHandler", message)

        elif msgType.get("node_controller") is not None:
            self._write_internal_msgQ("NodeControllerMsgHandler", message)

        elif msgType.get("storage_enclosure") is not None:
            self._write_internal_msgQ("RealStorActuatorMsgHandler", message)

        # Hand off to appropriate sensor message handler
        elif msgType.get("node_data") is not None:
            self._write_internal_msgQ("NodeDataMsgHandler", message)

        elif msgType.get("enclosure_alert") is not None:
            self._write_internal_msgQ("RealStorEnclMsgHandler", message)

        elif msgType.get("storage_enclosure") is not None:
            self._write_internal_msgQ("RealStorActuatorMsgHandler", message)
        # ... handle other incoming messages that have been validated
        else:
            # Send ack about not finding a msg handler
            ack_msg = AckResponseMsg("Error Processing Message",
                                     "Message Handler Not Found",
                                     uuid).getJson()
            self._write_internal_msgQ(EgressProcessor.name(), ack_msg)
コード例 #3
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    def _process_msg(self, body):
        """Parses the incoming message and hands off to the appropriate module"""

        ingressMsg = {}
        uuid = None
        try:
            if isinstance(body, dict) is False:
                ingressMsg = json.loads(body)
            else:
                ingressMsg = body

            # Authenticate message using username and signature fields
            username = ingressMsg.get("username")
            signature = ingressMsg.get("signature")
            message = ingressMsg.get("message")
            uuid = ingressMsg.get("uuid")
            msg_len = len(message) + 1

            if uuid is None:
                uuid = "N/A"

            if use_security_lib and \
                    SSPL_SEC.sspl_verify_message(msg_len, str(message),
                                                 username, signature) != 0:
                logger.warn(
                    "IngressProcessor, Authentication failed on message: %s" %
                    ingressMsg)
                return

            # Get the incoming message type
            if message.get("actuator_request_type") is not None:
                msgType = message.get("actuator_request_type")

                # Validate against the actuator schema
                validate(ingressMsg, self._actuator_schema)

            elif message.get("sensor_request_type") is not None:
                msgType = message.get("sensor_request_type")

                # Validate against the sensor schema
                validate(ingressMsg, self._sensor_schema)

            else:
                # We only handle incoming actuator and sensor requests, ignore
                # everything else.
                return

            # Check for debugging being activated in the message header
            self._check_debug(message)
            self._log_debug("_process_msg, ingressMsg: %s" % ingressMsg)

            self._send_to_msg_handler(msgType, message, uuid)

        except Exception as ex:
            logger.error(
                "IngressProcessor, _process_msg unrecognized message: %r" %
                ingressMsg)
            ack_msg = AckResponseMsg("Error Processing Msg",
                                     "Msg Handler Not Found", uuid).getJson()
            self._write_internal_msgQ(EgressProcessor.name(), ack_msg)
コード例 #4
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    def _process_job_status(self, uuid, job_uuid):
        """Send the current job status requested"""
        self._log_debug(
            "_process_job_status, job_status requested on uuid: %s" % job_uuid)
        try:
            # Get a copy of the job tasks in the PlaneCntrlMsgHandler msg queue pending being worked
            plane_cntrl_jobs = self._get_msgQ_copy("PlaneCntrlMsgHandler")
            response = "Not Found"

            # See if the requested uuid is in the list of pending jobs
            for plane_cntrl_job in plane_cntrl_jobs:
                self._log_debug("_process_job_status, plane_cntrl_job: %s" %
                                str(plane_cntrl_job))
                if job_uuid in str(plane_cntrl_job):
                    response = "In Queue"
                    break

            ack_type = {}
            ack_type["hostname"] = gethostname()
            ack_type["command"] = "job_status"
            ack_type["arguments"] = str(job_uuid)

            # The uuid is either not found or it's in the queue to be worked
            ack_msg = AckResponseMsg(json.dumps(ack_type), response,
                                     uuid).getJson()
            self._write_internal_msgQ(PlaneCntrlRMQegressProcessor.name(),
                                      ack_msg)
        except Exception as ex:
            logger.exception(
                "PlaneCntrlRMQingressProcessor, _process_job_status exception: %s"
                % str(ex))
コード例 #5
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 def _send_response(self, status, hostname, response, errors):
     """Transmit the response back as an Ack json msg"""
     ack_type = {}
     ack_type["hostname"], ack_type["command"], ack_type["parameters"], ack_type["status"], \
         ack_type["errors"] = str(hostname, 'utf-8'), self._command, self._parameters,  \
         status, str(errors, 'utf-8')
     ack_msg = AckResponseMsg(json.dumps(ack_type), \
                              str(response), self._uuid).getJson()
     self._write_internal_msgQ(PlaneCntrlRMQegressProcessor.name(), ack_msg)
コード例 #6
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    def _process_msg(self, jsonMsg):
        """Parses the incoming message and hands off to the appropriate logger"""
        self._log_debug(f"_process_msg, jsonMsg: {jsonMsg}")

        if isinstance(jsonMsg, dict) is False:
            jsonMsg = json.loads(jsonMsg)

        uuid = None
        if jsonMsg.get("sspl_ll_msg_header") is not None and \
           jsonMsg.get("sspl_ll_msg_header").get("uuid") is not None:
            uuid = jsonMsg.get("sspl_ll_msg_header").get("uuid")
            self._log_debug(f"_process_msg, uuid: {uuid}")

        log_type = jsonMsg.get("actuator_request_type").get("logging").get("log_type")

        result = "N/A"

        # Disabled for LDR_R1
        # if log_type == "IEM":
        #     self._log_debug("_process_msg, msg_type: IEM")
        #     if self._iem_log_locally == "true":
        #         result = self._iem_logger.log_msg(jsonMsg)
        #         self._log_debug(f"Log IEM results: {result}")

        if log_type == "HDS":
            # Retrieve the serial number of the drive
            self._log_debug("_process_msg, msg_type: HDS")
            log_msg = jsonMsg.get("actuator_request_type").get("logging").get("log_msg")

            # Parse out the json data section in the IEM and replace single quotes with double
            json_data = json.loads(str('{' + log_msg.split('{')[1]).replace("'", '"'))

            serial_number = json_data.get("serial_number")
            status = json_data.get("status")
            reason = json_data.get("reason")
            self._log_debug(f"_processMsg, serial_number: {serial_number}, status:{status}, reason: {reason}")

            # Send a message to the disk manager handler to create and transmit json msg
            internal_json_msg = json.dumps(
                 {"sensor_response_type" : "disk_status_HDS",
                  "object_path" : "HDS",
                  "status" : status,
                  "reason" : reason,
                  "serial_number" : serial_number
                 })

            # Send the event to disk message handler to generate json message
            self._write_internal_msgQ("DiskMsgHandler", internal_json_msg)

            # Disabled for LDR_R1
            # Hand off to the IEM logger
            # result = self._iem_logger.log_msg(jsonMsg)

            # Send ack about logging msg
            ack_msg = AckResponseMsg(log_type, result, uuid).getJson()
            self._write_internal_msgQ(EgressProcessor.name(), ack_msg)
コード例 #7
0
    def _process_msg(self, jsonMsg):
        """Parses the incoming message and handles appropriately"""
        self._log_debug(f"_process_msg, jsonMsg: {jsonMsg}")

        if isinstance(jsonMsg, dict) is False:
            jsonMsg = json.loads(jsonMsg)

        # Parse out the uuid so that it can be sent back in Ack message
        uuid = None
        if jsonMsg.get("sspl_ll_msg_header").get("uuid") is not None:
            uuid = jsonMsg.get("sspl_ll_msg_header").get("uuid")
            self._log_debug(f"_processMsg, uuid: {uuid}")

        if jsonMsg.get("actuator_request_type").get("node_controller").get("node_request") is not None:
            node_request = jsonMsg.get("actuator_request_type").get("node_controller").get("node_request")
            self._log_debug(f"_processMsg, node_request: {node_request}")

            # Parse out the component field in the node_request
            component = node_request[0:4]

            # Handle generic command line requests
            if component == 'SSPL':
                # Query the Zope GlobalSiteManager for an object implementing the MOTR actuator
                if self._command_line_actuator is None:
                    from actuators.Icommand_line import ICommandLine

                    command_line_actuator_class = self._queryUtility(ICommandLine)
                    # Instantiate CommandLine Actuator only if class is loaded
                    if command_line_actuator_class:
                        self._command_line_actuator = command_line_actuator_class(self._conf_reader)
                    else:
                        logger.warn("CommandLine Actuator not loaded")
                        json_msg = AckResponseMsg(node_request, NodeControllerMsgHandler.UNSUPPORTED_REQUEST, uuid).getJson()
                        self._write_internal_msgQ(RabbitMQegressProcessor.name(), json_msg)
                        return

                # Perform the request and get the response
                command_line_response = self._command_line_actuator.perform_request(jsonMsg).strip()
                self._log_debug(f"_process_msg, command line response: {command_line_response}")

                json_msg = AckResponseMsg(node_request, command_line_response, uuid).getJson()
                self._write_internal_msgQ(RabbitMQegressProcessor.name(), json_msg)

            # Handle LED effects using the HPI actuator
            elif component == "LED:":
                # HPI related operations are not supported in VM environment.
                if self._is_env_vm():
                    logger.warn("HPI operations are not supported in current environment")
                    return
                # Query the Zope GlobalSiteManager for an object implementing the IHPI actuator
                if self._HPI_actuator is None:
                    from actuators.Ihpi import IHPI
                    # Load HPIActuator class
                    HPI_actuator_class = self._queryUtility(IHPI)
                    # Instantiate HPIActuator only if class is loaded
                    if HPI_actuator_class:
                        self._HPI_actuator = HPI_actuator_class(self._conf_reader)
                    else:
                        logger.warn("HPIActuator not loaded")
                        if self._product.lower() in [x.lower() for x in enabled_products]:
                            json_msg = AckResponseMsg(node_request, NodeControllerMsgHandler.UNSUPPORTED_REQUEST, uuid).getJson()
                            self._write_internal_msgQ(RabbitMQegressProcessor.name(), json_msg)
                        return

                    self._log_debug(f"_process_msg, _HPI_actuator name: {self._HPI_actuator.name()}")

                    # Perform the request using HPI and get the response
                    hpi_response = self._HPI_actuator.perform_request(jsonMsg).strip()
                    self._log_debug(f"_process_msg, hpi_response: {hpi_response}")

                    json_msg = AckResponseMsg(node_request, hpi_response, uuid).getJson()
                    self._write_internal_msgQ(RabbitMQegressProcessor.name(), json_msg)

            # Set the Bezel LED color using the GEM interface
            elif component == "BEZE":
                # Query the Zope GlobalSiteManager for an object implementing the IGEM actuator
                if self._GEM_actuator is None:
                    self._GEM_actuator = self._queryUtility(IGEM)(self._conf_reader)
                    self._log_debug(f"_process_msg, _GEM_actuator name: {self._GEM_actuator.name()}")

                # Perform the request using GEM and get the response
                gem_response = self._GEM_actuator.perform_request(jsonMsg).strip()
                self._log_debug(f"_process_msg, gem_response: {gem_response}")

                json_msg = AckResponseMsg(node_request, gem_response, uuid).getJson()
                self._write_internal_msgQ(RabbitMQegressProcessor.name(), json_msg)

            elif component == "PDU:":
                # Query the Zope GlobalSiteManager for an object implementing the IPDU actuator
                if self._PDU_actuator is None:
                    from actuators.Ipdu import IPDU

                    PDU_actuator_class = self._queryUtility(IPDU)
                    # Instantiate RaritanPDU Actuator only if class is loaded
                    if PDU_actuator_class:
                        self._PDU_actuator = PDU_actuator_class(self._conf_reader)
                    else:
                        logger.warn("RaritanPDU Actuator not loaded")
                        json_msg = AckResponseMsg(node_request, NodeControllerMsgHandler.UNSUPPORTED_REQUEST, uuid).getJson()
                        self._write_internal_msgQ(RabbitMQegressProcessor.name(), json_msg)
                        return

                # Perform the request on the PDU and get the response
                pdu_response = self._PDU_actuator.perform_request(jsonMsg).strip()
                self._log_debug(f"_process_msg, pdu_response: {pdu_response}")

                json_msg = AckResponseMsg(node_request, pdu_response, uuid).getJson()
                self._write_internal_msgQ(RabbitMQegressProcessor.name(), json_msg)

            elif component == "RAID":
                # If the state is INITIALIZED, We can assume that actuator is
                # ready to perform operation.
                if actuator_state_manager.is_initialized("RAIDactuator"):
                    self._log_debug(f"_process_msg, _RAID_actuator name: {self._RAID_actuator.name()}")
                    self._execute_raid_request(
                        node_request, self._RAID_actuator, jsonMsg, uuid)

                # If the state is INITIALIZING, need to send message
                elif actuator_state_manager.is_initializing("RAIDactuator"):
                    # This state will not be reached. Kept here for consistency.
                    logger.info("RAID actuator is initializing")
                    busy_json_msg = AckResponseMsg(
                        node_request, "BUSY", uuid, error_no=errno.EBUSY).getJson()
                    self._write_internal_msgQ(
                        "RabbitMQegressProcessor", busy_json_msg)

                elif actuator_state_manager.is_imported("RAIDactuator"):
                    # This case will be for first request only. Subsequent
                    # requests will go to INITIALIZED state case.
                    logger.info("RAID actuator is imported and initializing")

                    from actuators.Iraid import IRAIDactuator
                    actuator_state_manager.set_state(
                            "RAIDactuator", actuator_state_manager.INITIALIZING)
                    # Query the Zope GlobalSiteManager for an object implementing the IRAIDactuator
                    raid_actuator_class = self._queryUtility(IRAIDactuator)
                    if raid_actuator_class:
                        # NOTE: Instantiation part should not time consuming
                        # otherwise NodeControllerMsgHandler will get block
                        # and will not be able serve any subsequent requests.
                        # This applies to instantiation of evey actuator.
                        self._RAID_actuator = raid_actuator_class()
                        logger.info(f"_process_msg, _RAID_actuator name: {self._RAID_actuator.name()}")
                        self._execute_raid_request(
                            node_request, self._RAID_actuator, jsonMsg, uuid)
                        actuator_state_manager.set_state(
                            "RAIDactuator", actuator_state_manager.INITIALIZED)
                    else:
                        logger.warn("RAID actuator is not instantiated")

                # If there is no entry for actuator in table, We can assume
                # that it is not loaded for some reason.
                else:
                    logger.warn("RAID actuator is not loaded or not supported")

            elif component == "IPMI":
                # Query the Zope GlobalSiteManager for an object implementing the IPMI actuator
                if self._IPMI_actuator is None:
                    from actuators.Iipmi import Iipmi

                    IPMI_actuator_class = self._queryUtility(Iipmi)
                    # Instantiate IPMI Actuator only if class is loaded
                    if IPMI_actuator_class:
                        self._IPMI_actuator = IPMI_actuator_class(self._conf_reader)
                    else:
                        logger.warn("IPMI Actuator not loaded")
                        json_msg = AckResponseMsg(node_request, NodeControllerMsgHandler.UNSUPPORTED_REQUEST, uuid).getJson()
                        self._write_internal_msgQ(RabbitMQegressProcessor.name(), json_msg)
                        return

                # Perform the IPMI request on the node and get the response
                ipmi_response = self._IPMI_actuator.perform_request(jsonMsg).strip()
                self._log_debug(f"_process_msg, ipmi_response: {ipmi_response}")

                json_msg = AckResponseMsg(node_request, ipmi_response, uuid).getJson()
                self._write_internal_msgQ(RabbitMQegressProcessor.name(), json_msg)

            elif component == "STOP":
                # HPI related operations are not supported in VM environment.
                if self._is_env_vm():
                    logger.warn("HPI operations are not supported in current environment")
                    return
                # Query the Zope GlobalSiteManager for an object implementing the IHPI actuator
                if self._HPI_actuator is None:
                    from actuators.Ihpi import IHPI
                    # Load HPIActuator class
                    HPI_actuator_class = self._queryUtility(IHPI)
                    # Instantiate HPIActuator only if class is loaded
                    if HPI_actuator_class:
                        self._HPI_actuator = HPI_actuator_class(self._conf_reader)
                    else:
                        logger.warn("HPIActuator not loaded")
                        if self._product.lower() in [x.lower() for x in enabled_products]:
                            json_msg = AckResponseMsg(node_request, NodeControllerMsgHandler.UNSUPPORTED_REQUEST, uuid).getJson()
                            self._write_internal_msgQ(RabbitMQegressProcessor.name(), json_msg)
                        return

                    self._log_debug(f"_process_msg, _HPI_actuator name: {self._HPI_actuator.name()}")

                    # Parse out the drive to stop
                    drive_request = node_request[12:].strip()
                    self._log_debug(f"perform_request, drive to stop: {drive_request}")

                    # Append POWER_OFF to notify HPI actuator of desired state
                    jsonMsg["actuator_request_type"]["node_controller"]["node_request"] = \
                            f"DISK: set {drive_request} POWER_OFF"
                    self._log_debug(f"_process_msg, jsonMsg: {jsonMsg}")

                    # Perform the request using HPI and get the response
                    hpi_response = self._HPI_actuator.perform_request(jsonMsg).strip()
                    self._log_debug(f"_process_msg, hpi_response: {hpi_response}")

                    # Simplify success message as external apps don't care about details
                    if "Success" in hpi_response:
                        hpi_response = "Successful"

                    json_msg = AckResponseMsg(node_request, hpi_response, uuid).getJson()
                    self._write_internal_msgQ(RabbitMQegressProcessor.name(), json_msg)

            elif component == "STAR":
                # HPI related operations are not supported in VM environment.
                if self._is_env_vm():
                    logger.warn("HPI operations are not supported in current environment")
                    return
                # Query the Zope GlobalSiteManager for an object implementing the IHPI actuator
                if self._HPI_actuator is None:
                    from actuators.Ihpi import IHPI
                    # Load HPIActuator class
                    HPI_actuator_class = self._queryUtility(IHPI)
                    # Instantiate HPIActuator only if class is loaded
                    if HPI_actuator_class:
                        self._HPI_actuator = HPI_actuator_class(self._conf_reader)
                    else:
                        logger.warn("HPIActuator not loaded")
                        if self._product.lower() in [x.lower() for x in enabled_products]:
                            json_msg = AckResponseMsg(node_request, NodeControllerMsgHandler.UNSUPPORTED_REQUEST, uuid).getJson()
                            self._write_internal_msgQ(RabbitMQegressProcessor.name(), json_msg)
                        return

                    self._log_debug(f"_process_msg, _HPI_actuator name: {self._HPI_actuator.name()}")

                    # Parse out the drive to start
                    drive_request = node_request[13:].strip()
                    self._log_debug(f"perform_request, drive to start: {drive_request}")

                    # Append POWER_ON to notify HPI actuator of desired state
                    jsonMsg["actuator_request_type"]["node_controller"]["node_request"] = \
                            f"DISK: set {drive_request} POWER_ON"
                    self._log_debug(f"_process_msg, jsonMsg: {jsonMsg}")

                    # Perform the request using HPI and get the response
                    hpi_response = self._HPI_actuator.perform_request(jsonMsg).strip()
                    self._log_debug(f"_process_msg, hpi_response: {hpi_response}")

                    # Simplify success message as external apps don't care about details
                    if "Success" in hpi_response:
                        hpi_response = "Successful"

                    json_msg = AckResponseMsg(node_request, hpi_response, uuid).getJson()
                    self._write_internal_msgQ(RabbitMQegressProcessor.name(), json_msg)


            elif component == "RESE":
                # HPI related operations are not supported in VM environment.
                if self._is_env_vm():
                    logger.warn("HPI operations are not supported in current environment")
                    return
                # Query the Zope GlobalSiteManager for an object implementing the IHPI actuator
                if self._HPI_actuator is None:
                    from actuators.Ihpi import IHPI
                    # Load HPIActuator class
                    HPI_actuator_class = self._queryUtility(IHPI)
                    # Instantiate HPIActuator only if class is loaded
                    if HPI_actuator_class:
                        self._HPI_actuator = HPI_actuator_class(self._conf_reader)
                    else:
                        logger.warn("HPIActuator not loaded")
                        if self._product.lower() in [x.lower() for x in enabled_products]:
                            json_msg = AckResponseMsg(node_request, NodeControllerMsgHandler.UNSUPPORTED_REQUEST, uuid).getJson()
                            self._write_internal_msgQ(RabbitMQegressProcessor.name(), json_msg)
                        return

                    self._log_debug(f"_process_msg, _HPI_actuator name: {self._HPI_actuator.name()}")

                    # Parse out the drive to power cycle
                    drive_request = node_request[13:].strip()
                    self._log_debug(f"perform_request, drive to power cycle: {drive_request}")

                    # Append POWER_OFF and then POWER_ON to notify HPI actuator of desired state
                    jsonMsg["actuator_request_type"]["node_controller"]["node_request"] = \
                            f"DISK: set {drive_request} POWER_OFF"
                    self._log_debug(f"_process_msg, jsonMsg: {jsonMsg}")

                    # Perform the request using HPI and get the response
                    hpi_response = self._HPI_actuator.perform_request(jsonMsg).strip()
                    self._log_debug(f"_process_msg, hpi_response: {hpi_response}")

                    # Check for success and power the disk back on
                    if "Success" in hpi_response:
                        # Append POWER_ON to notify HPI actuator of desired state
                        jsonMsg["actuator_request_type"]["node_controller"]["node_request"] = \
                                   f"DISK: set {drive_request} POWER_ON"
                        self._log_debug(f"_process_msg, jsonMsg: {jsonMsg}")

                        # Perform the request using HPI and get the response
                        hpi_response = self._HPI_actuator.perform_request(jsonMsg).strip()
                        self._log_debug(f"_process_msg, hpi_response: {hpi_response}")

                            # Simplify success message as external apps don't care about details
                        if "Success" in hpi_response:
                            hpi_response = "Successful"

                    json_msg = AckResponseMsg(node_request, hpi_response, uuid).getJson()
                    self._write_internal_msgQ(RabbitMQegressProcessor.name(), json_msg)

            elif component == "HDPA":
                # If the state is INITIALIZED, We can assume that actuator is
                # ready to perform operation.
                if actuator_state_manager.is_initialized("Hdparm"):
                    logger.info(f"_process_msg, Hdparm_actuator name: {self._hdparm_actuator.name()}")
                    # Perform the hdparm request on the node and get the response
                    hdparm_response = self._hdparm_actuator.perform_request(jsonMsg).strip()
                    self._log_debug(f"_process_msg, hdparm_response: {hdparm_response}")

                    json_msg = AckResponseMsg(node_request, hdparm_response, uuid).getJson()
                    self._write_internal_msgQ(RabbitMQegressProcessor.name(), json_msg)

                # If the state is INITIALIZING, need to send message
                elif actuator_state_manager.is_initializing("Hdparm"):
                    # This state will not be reached. Kept here for consistency.
                    logger.info("Hdparm actuator is initializing")
                    busy_json_msg = AckResponseMsg(
                        node_request, "BUSY", uuid, error_no=errno.EBUSY).getJson()
                    self._write_internal_msgQ(
                        "RabbitMQegressProcessor", busy_json_msg)

                elif actuator_state_manager.is_imported("Hdparm"):
                    # This case will be for first request only. Subsequent
                    # requests will go to INITIALIZED state case.
                    logger.info("Hdparm actuator is imported and initializing")
                    # Query the Zope GlobalSiteManager for an object
                    # implementing the hdparm actuator.
                    from actuators.Ihdparm import IHdparm
                    actuator_state_manager.set_state(
                            "Hdparm", actuator_state_manager.INITIALIZING)
                    hdparm_actuator_class = self._queryUtility(IHdparm)
                    if hdparm_actuator_class:
                        # NOTE: Instantiation part should not time consuming
                        # otherwise NodeControllerMsgHandler will get block and will
                        # not be able serve any subsequent requests. This applies
                        # to instantiation of evey actuator.
                        self._hdparm_actuator = hdparm_actuator_class()
                        self._log_debug(f"_process_msg, _hdparm_actuator name: {self._hdparm_actuator.name()}")
                        # Perform the hdparm request on the node and get the response
                        hdparm_response = self._hdparm_actuator.perform_request(jsonMsg).strip()
                        self._log_debug(f"_process_msg, hdparm_response: {hdparm_response}")

                        json_msg = AckResponseMsg(node_request, hdparm_response, uuid).getJson()
                        self._write_internal_msgQ(RabbitMQegressProcessor.name(), json_msg)
                        actuator_state_manager.set_state(
                            "Hdparm", actuator_state_manager.INITIALIZED)
                    else:
                        logger.info("Hdparm actuator is not instantiated")

                # If there is no entry for actuator in table, We can assume
                # that it is not loaded for some reason.
                else:
                    logger.info("Hdparm actuator is not loaded or not supported")

            elif component == "SMAR":
                # Parse out the drive request field in json msg
                node_request = jsonMsg.get("actuator_request_type").get("node_controller").get("node_request")
                drive_request = node_request[12:].strip()
                self._log_debug(f"perform_request, drive: {drive_request}")

                # If the drive field is an asterisk then send all the smart results for all drives available
                if drive_request == "*":
                    # Send the event to SystemdWatchdog to schedule SMART test
                    internal_json_msg = json.dumps(
                        {"sensor_request_type" : "disk_smart_test",
                         "serial_number" : "*",
                         "node_request" : self.host_id,
                         "uuid" : uuid
                         })

                    self._write_internal_msgQ("SystemdWatchdog", internal_json_msg)
                    return

                # Put together a message to get the serial number of the drive using hdparm tool
                if drive_request.startswith("/"):
                    serial_number, error = self._retrieve_serial_number(drive_request)

                    # Send error response back on ack channel
                    if error != "":
                        json_msg = AckResponseMsg(node_request, error, uuid).getJson()
                        self._write_internal_msgQ(RabbitMQegressProcessor.name(), json_msg)
                        return
                else:
                    if self._smartctl_actuator is None:
                        from actuators.Ismartctl import ISmartctl
                        smartctl_actuator_class = self._queryUtility(ISmartctl)
                        if smartctl_actuator_class:
                            self._smartctl_actuator = self._queryUtility(ISmartctl)()
                            self._log_debug("_process_msg, _smart_actuator name: %s" % self._smartctl_actuator.name())
                        else:
                            logger.error(" No module Smartctl is present to load")
                    serial_compare = self._smartctl_actuator._check_serial_number(drive_request)
                    if not serial_compare:
                        json_msg = AckResponseMsg(node_request, "Drive Not Found", uuid).getJson()
                        self._write_internal_msgQ(RabbitMQegressProcessor.name(), json_msg)
                        return
                    else:
                        serial_number = drive_request

                    # Send the event to SystemdWatchdog to schedule SMART test
                    internal_json_msg = json.dumps(
                        {"sensor_request_type" : "disk_smart_test",
                            "serial_number" : serial_number,
                            "node_request" : node_request,
                            "uuid" : uuid
                        })

                    self._write_internal_msgQ("SystemdWatchdog", internal_json_msg)

            elif component == "DRVM":
                # Requesting the current status from drivemanager
                # Parse out the drive request field in json msg
                node_request = jsonMsg.get("actuator_request_type").get("node_controller").get("node_request")
                drive_request = node_request[15:].strip()
                self._log_debug(f"perform_request, drive: {drive_request}")

                # If the drive field is an asterisk then send all the drivemanager results for all drives available
                if drive_request == "*":
                    # Send a message to the disk message handler to lookup the drivemanager status and send it out
                    internal_json_msg = json.dumps(
                        {"sensor_request_type" : "drvmngr_status",
                         "serial_number" : "*",
                         "node_request" : self.host_id,
                         "uuid" : uuid
                         })

                    # Send the event to disk message handler to generate json message
                    self._write_internal_msgQ(DiskMsgHandler.name(), internal_json_msg)
                    return

                # Put together a message to get the serial number of the drive using hdparm tool
                if drive_request.startswith("/"):
                    serial_number, error = self._retrieve_serial_number(drive_request)

                    # Send error response back on ack channel
                    if error != "":
                        json_msg = AckResponseMsg(node_request, error, uuid).getJson()
                        self._write_internal_msgQ(RabbitMQegressProcessor.name(), json_msg)
                        return
                else:
                    serial_number = drive_request

                # Send a message to the disk message handler to lookup the smart status and send it out
                internal_json_msg = json.dumps(
                    {"sensor_request_type" : "drvmngr_status",
                     "serial_number" : serial_number,
                     "node_request" : node_request,
                     "uuid" : uuid
                    })

                # Send the event to disk message handler to generate json message
                self._write_internal_msgQ(DiskMsgHandler.name(), internal_json_msg)

            elif component == "HPI_":
                # Requesting the current status from HPI data
                # Parse out the drive request field in json msg
                if self._is_env_vm():
                    logger.warn("HPI operations are not supported in current environment")
                    return

                if self.setup == 'cortx':
                    logger.warn("HPIMonitor not loaded")
                    json_msg = AckResponseMsg(node_request, NodeControllerMsgHandler.UNSUPPORTED_REQUEST, uuid).getJson()
                    self._write_internal_msgQ(RabbitMQegressProcessor.name(), json_msg)
                    return

                node_request = jsonMsg.get("actuator_request_type").get("node_controller").get("node_request")
                drive_request = node_request[11:].strip()
                self._log_debug(f"perform_request, drive: {drive_request}")

                # If the drive field is an asterisk then send all the hpi results for all drives available
                if drive_request == "*":
                    # Send a message to the disk message handler to lookup the hpi status and send it out
                    internal_json_msg = json.dumps(
                        {"sensor_request_type" : "hpi_status",
                         "serial_number" : "*",
                         "node_request" : self.host_id,
                         "uuid" : uuid
                         })

                    # Send the event to disk message handler to generate json message
                    self._write_internal_msgQ(DiskMsgHandler.name(), internal_json_msg)
                    return

                # Put together a message to get the serial number of the drive using hdparm tool
                if drive_request.startswith("/"):
                    serial_number, error = self._retrieve_serial_number(drive_request)

                    # Send error response back on ack channel
                    if error != "":
                        json_msg = AckResponseMsg(node_request, error, uuid).getJson()
                        self._write_internal_msgQ(RabbitMQegressProcessor.name(), json_msg)
                        return
                else:
                    serial_number = drive_request

                # Send a message to the disk message handler to lookup the smart status and send it out
                internal_json_msg = json.dumps(
                    {"sensor_request_type" : "hpi_status",
                     "serial_number" : serial_number,
                     "node_request" : node_request,
                     "uuid" : uuid
                    })

                # Send the event to disk message handler to generate json message
                self._write_internal_msgQ(DiskMsgHandler.name(), internal_json_msg)

            elif component == "SIMU":
                # Requesting to simulate an event
                # Parse out the simulated request field
                node_request = jsonMsg.get("actuator_request_type").get("node_controller").get("node_request")
                sim_request = node_request[9:].strip().split(" ")
                self._log_debug(f"perform_request, sim_request: {str(sim_request)}")

                # Put together a message to get the serial number of the drive using hdparm tool
                if sim_request[1].startswith("/"):
                    serial_number, error = self._retrieve_serial_number(sim_request[1])

                    # Send error response back on ack channel
                    if error != "":
                        json_msg = AckResponseMsg(node_request, error, uuid).getJson()
                        self._write_internal_msgQ(RabbitMQegressProcessor.name(), json_msg)
                        return
                else:
                    serial_number = sim_request[1]

                # SMART simulation requests are sent to SystemdWatchdog
                if sim_request[0] == "SMART_FAILURE":
                    logger.info(f"NodeControllerMsgHandler, simulating SMART_FAILURE on drive: {serial_number}")

                    internal_json_msg = json.dumps(
                        {"sensor_request_type" : "simulate_failure",
                         "serial_number" : serial_number,
                         "node_request" : sim_request[0],
                         "uuid" : uuid
                         })

                    # Send the event to SystemdWatchdog to handle it from here
                    self._write_internal_msgQ("SystemdWatchdog", internal_json_msg)

                else:
                    # Send a message to the disk message handler to handle simulation request
                    internal_json_msg = json.dumps(
                        {"sensor_request_type" : "sim_event",
                         "serial_number" : serial_number,
                         "node_request" : sim_request[0],
                         "uuid" : uuid
                         })

                    # Send the event to disk message handler to generate json message
                    self._write_internal_msgQ(DiskMsgHandler.name(), internal_json_msg)

            elif component == "NDHW":
                # NDHW Stands for Node HW.
                try:
                    # Load and Instantiate the Actuator for the first request
                    if self._NodeHW_actuator is None:
                        from actuators.impl.generic.node_hw import NodeHWactuator
                        from framework.utils.ipmi_client import IpmiFactory
                        self.ipmi_client_name = self._conf_reader._get_value_with_default(
                            self.NODE_HW_ACTUATOR, self.IPMI_IMPLEMENTOR,
                            "ipmitool")
                        ipmi_factory = IpmiFactory()
                        ipmi_client = \
                           ipmi_factory.get_implementor(self.ipmi_client_name)
                        # Instantiate NodeHWactuator only if class is loaded
                        if ipmi_client is not None:
                            self._NodeHW_actuator = NodeHWactuator(ipmi_client, self._conf_reader)
                            self._NodeHW_actuator.initialize()
                        else:
                            logger.error(f"IPMI client: '{self.ipmi_client_name}' doesn't exist")
                            return
                    node_request = jsonMsg.get("actuator_request_type")
                    # Perform the NodeHW request on the node and get the response
                    #TODO: Send message to Ack as well as Sensor in their respective channel.
                    node_hw_response = self._NodeHW_actuator.perform_request(node_request)
                    self._log_debug(f"_process_msg, node_hw_response: {node_hw_response}")
                    json_msg = NodeHwAckResponseMsg(node_request, node_hw_response, uuid).getJson()
                    self._write_internal_msgQ(RabbitMQegressProcessor.name(), json_msg)
                except ImportError as e:
                    logger.error(f"Modules could not be loaded: {e}")
                    return
                except Exception as e:
                    logger.error(f"NodeControllerMsgHandler, _process_msg, Exception in request handling: {e}")
                    return

            else:
                response = f"NodeControllerMsgHandler, _process_msg, unknown node controller msg: {node_request}"
                self._log_debug(response)

                json_msg = AckResponseMsg(node_request, response, uuid).getJson()
                self._write_internal_msgQ(RabbitMQegressProcessor.name(), json_msg)
コード例 #8
0
    def _process_msg(self, ch, method, properties, body):
        """Parses the incoming message and hands off to the appropriate module"""

        ingressMsg = {}
        uuid = None
        try:
            if isinstance(body, dict) is False:
                ingressMsg = json.loads(body)
            else:
                ingressMsg = body

            # Authenticate message using username and signature fields
            username = ingressMsg.get("username")
            signature = ingressMsg.get("signature")
            message = ingressMsg.get("message")
            uuid = ingressMsg.get("uuid")
            msg_len = len(message) + 1

            if uuid is None:
                uuid = "N/A"

            if use_security_lib and \
               SSPL_SEC.sspl_verify_message(msg_len, str(message), username, signature) != 0:
                logger.warn(
                    "RabbitMQingressProcessor, Authentication failed on message: %s"
                    % ingressMsg)
                return

            # Get the incoming message type
            if message.get("actuator_request_type") is not None:
                msgType = message.get("actuator_request_type")

                # Validate against the actuator schema
                validate(ingressMsg, self._actuator_schema)

            elif message.get("sensor_request_type") is not None:
                msgType = message.get("sensor_request_type")

                # Validate against the sensor schema
                validate(ingressMsg, self._sensor_schema)

            else:
                # We only handle incoming actuator and sensor requests, ignore
                # everything else.
                return

            # Check for debugging being activated in the message header
            self._check_debug(message)
            self._log_debug("_process_msg, ingressMsg: %s" % ingressMsg)

            # Hand off to appropriate actuator message handler
            if msgType.get("logging") is not None:
                self._write_internal_msgQ("LoggingMsgHandler", message)

            elif msgType.get("thread_controller") is not None:
                self._write_internal_msgQ("ThreadController", message)

            elif msgType.get("service_controller") is not None:
                self._write_internal_msgQ("ServiceMsgHandler", message)

            elif msgType.get("node_controller") is not None:
                self._write_internal_msgQ("NodeControllerMsgHandler", message)

            elif msgType.get("storage_enclosure") is not None:
                self._write_internal_msgQ("RealStorActuatorMsgHandler",
                                          message)

            # Hand off to appropriate sensor message handler
            elif msgType.get("node_data") is not None:
                self._write_internal_msgQ("NodeDataMsgHandler", message)

            elif msgType.get("enclosure_alert") is not None:
                self._write_internal_msgQ("RealStorEnclMsgHandler", message)

            elif msgType.get("storage_enclosure") is not None:
                self._write_internal_msgQ("RealStorActuatorMsgHandler",
                                          message)
            # ... handle other incoming messages that have been validated
            else:
                # Send ack about not finding a msg handler
                ack_msg = AckResponseMsg("Error Processing Message",
                                         "Message Handler Not Found",
                                         uuid).getJson()
                self._write_internal_msgQ(RabbitMQegressProcessor.name(),
                                          ack_msg)

            # Acknowledge message was received
            self._connection.ack(ch, delivery_tag=method.delivery_tag)

        except Exception as ex:
            logger.error(
                "RabbitMQingressProcessor, _process_msg unrecognized message: %r"
                % ingressMsg)
            ack_msg = AckResponseMsg("Error Processing Msg",
                                     "Msg Handler Not Found", uuid).getJson()
            self._write_internal_msgQ(RabbitMQegressProcessor.name(), ack_msg)
コード例 #9
0
    def _process_msg(self, ch, method, properties, body):
        """Parses the incoming message and hands off to the appropriate module"""

        ingressMsg = {}
        try:
            if isinstance(body, dict) is False:
                ingressMsg = json.loads(body)
            else:
                ingressMsg = body

            # Authenticate message using username and signature fields
            username = ingressMsg.get("username")
            signature = ingressMsg.get("signature")
            message = ingressMsg.get("message")
            uuid = message.get("sspl_ll_msg_header").get("uuid")
            msg_len = len(message) + 1

            if uuid is None:
                uuid = "N/A"

            if use_security_lib and \
               SSPL_SEC.sspl_verify_message(msg_len, str(message), username, signature) != 0:
                logger.warn(
                    "PlaneCntrlRMQingressProcessor, Authentication failed on message: %s"
                    % ingressMsg)
                return

            # Get the incoming message type
            if message.get("actuator_request_type") is not None:
                msgType = message.get("actuator_request_type")

                # Validate against the actuator schema
                validate(ingressMsg, self._actuator_schema)

            elif message.get("sensor_request_type") is not None:
                msgType = message.get("sensor_request_type")

                # Validate against the sensor schema
                validate(ingressMsg, self._sensor_schema)

            else:
                # We only handle incoming actuator and sensor requests, ignore everything else
                return

            # Check for debugging being activated in the message header
            self._check_debug(message)
            self._log_debug("_process_msg, ingressMsg: %s" % ingressMsg)

            # Hand off to appropriate actuator message handler
            if msgType.get("plane_controller") is not None:
                command = message.get("actuator_request_type").get(
                    "plane_controller").get("command")

                # For a job status request forward over to PlaneCntrlRMQegressProcessor
                if command is not None and \
                   command == "job_status":
                    job_uuid = message.get("actuator_request_type").get(
                        "plane_controller").get("arguments").get("uuid", None)

                    node_id = None
                    if message.get("actuator_request_type").get("plane_controller").get("parameters") is not None and \
                       message.get("actuator_request_type").get("plane_controller").get("parameters").get("node_id") is not None:
                        node_id = message.get("actuator_request_type").get(
                            "plane_controller").get("parameters").get(
                                "node_id")

                    # node_id set to None is a broadcast otherwise see if it applies to this node
                    if node_id is None or \
                       self._hostname in str(node_id):
                        self._process_job_status(uuid, job_uuid)
                else:
                    self._write_internal_msgQ("PlaneCntrlMsgHandler", message)

            # Handle restarting of internal threads
            elif msgType.get("thread_controller") is not None:
                node_id = None
                if message.get("actuator_request_type").get("thread_controller").get("parameters") is not None and \
                   message.get("actuator_request_type").get("thread_controller").get("parameters").get("node_id") is not None:
                    node_id = message.get("actuator_request_type").get(
                        "thread_controller").get("parameters").get(
                            "node_id", None)

                # node_id set to None is a broadcast otherwise see if it applies to this node
                if node_id is None or \
                   self._hostname in str(node_id):
                    self._write_internal_msgQ("ThreadController", message)

            # ... handle other incoming messages that have been validated
            else:
                # Log a msg about not being able to process the message
                logger.info(
                    "PlaneCntrlRMQingressProcessor, _process_msg, unrecognized message: %s"
                    % str(ingressMsg))

        except Exception as ex:
            logger.exception(
                "PlaneCntrlRMQingressProcessor, _process_msg unrecognized message: %r"
                % ingressMsg)
            ack_msg = AckResponseMsg("Error Processing Msg",
                                     "Msg Handler Not Found", uuid).getJson()
            self._write_internal_msgQ(PlaneCntrlRMQegressProcessor.name(),
                                      ack_msg)

        # Acknowledge message was received
        self._connection.ack(ch, delivery_tag=method.delivery_tag)
コード例 #10
0
    def _process_msg(self, body):
        """Parses the incoming message and hands off to the appropriate module"""

        ingressMsg = {}
        uuid = None
        try:
            if isinstance(body, dict) is False:
                ingressMsg = json.loads(body)
            else:
                ingressMsg = body

            # Authenticate message using username and signature fields
            username = ingressMsg.get("username")
            signature = ingressMsg.get("signature")
            message = ingressMsg.get("message")
            uuid = ingressMsg.get("uuid")
            msg_len = len(message) + 1

            if uuid is None:
                uuid = "N/A"

            if use_security_lib and \
                    SSPL_SEC.sspl_verify_message(msg_len, str(message),
                                                 username, signature) != 0:
                logger.warn(
                    "IngressProcessor, Authentication failed on message: %s" % ingressMsg)
                return

            logger.debug("_process_msg, ingressMsg: %s" % ingressMsg)

            # Get the incoming message type
            if message.get("actuator_request_type") is not None:
                msgType = message.get("actuator_request_type")

                # Validate against the actuator schema
                validate(ingressMsg, self._actuator_schema)
                # Compare target_node_id from the request to determine
                # if request is meant for the current node
                target_node_id = message.get("target_node_id")
                if target_node_id is None:
                    logger.warn(
                        "Required attribute target_node_id is missing "
                        "from actuator request %s, IGNORING!!" % (msgType))
                    return
                elif target_node_id == self._node_id:
                    self._send_to_msg_handler(msgType, message, uuid)
                else:
                    logger.debug(
                        "Node identifier mismatch, actuator request ignored.")
                    return

            elif message.get("sensor_request_type") is not None:
                msgType = message.get("sensor_request_type")

                # Validate against the sensor schema
                validate(ingressMsg, self._sensor_schema)
                self._send_to_msg_handler(msgType, message, uuid)

            else:
                # We only handle incoming actuator and sensor requests, ignore
                # everything else.
                return

        except Exception as ex:
            logger.error(
                "IngressProcessor, _process_msg failed to recognize "
                "message: %r with error %r" % (ingressMsg, ex))
            ack_msg = AckResponseMsg("Error Processing Msg",
                                     "Msg Handler Not Found", uuid).getJson()
            self._write_internal_msgQ(EgressProcessor.name(), ack_msg)
コード例 #11
0
    def _process_msg(self, jsonMsg):
        """Parses the incoming message and hands off to the appropriate logger
        """
        self._log_debug(f"_process_msg, jsonMsg: {jsonMsg}")

        if isinstance(jsonMsg, dict) is False:
            jsonMsg = json.loads(jsonMsg)

        # Parse out the uuid so that it can be sent back in Ack message
        uuid = None
        if jsonMsg.get("sspl_ll_msg_header") is not None and \
           jsonMsg.get("sspl_ll_msg_header").get("uuid") is not None:
            uuid = jsonMsg.get("sspl_ll_msg_header").get("uuid")
            self._log_debug(f"_processMsg, uuid: {uuid}")

        # Handle service start, stop, restart, status requests
        if jsonMsg.get("actuator_request_type").get(
                "service_controller") is not None:
            self._log_debug("_processMsg, msg_type: service_controller")

            service_name = jsonMsg.get("actuator_request_type") \
                .get("service_controller").get("service_name")
            service_request = jsonMsg.get("actuator_request_type") \
                .get("service_controller").get("service_request")
            request = f"{service_request}:{service_name}"

            # If the state is INITIALIZED, We can assume that actuator is
            # ready to perform operation.
            if actuator_state_manager.is_initialized("Service"):
                self._log_debug(
                    f"_process_msg, service_actuator name: {self._service_actuator.name()}"
                )
                self._execute_request(self._service_actuator, jsonMsg, uuid)

            # If the state is INITIALIZING, need to send message
            elif actuator_state_manager.is_initializing("Service"):
                # This state will not be reached. Kept here for consistency.
                logger.info("Service actuator is initializing")
                busy_json_msg = AckResponseMsg(request,
                                               "BUSY",
                                               uuid,
                                               error_no=errno.EBUSY).getJson()
                self._write_internal_msgQ("RabbitMQegressProcessor",
                                          busy_json_msg)

            elif actuator_state_manager.is_imported("Service"):
                # This case will be for first request only. Subsequent
                # requests will go to INITIALIZED state case.
                logger.info("Service actuator is imported and initializing")
                from actuators.IService import IService
                actuator_state_manager.set_state(
                    "Service", actuator_state_manager.INITIALIZING)
                service_actuator_class = self._query_utility(IService)
                if service_actuator_class:
                    # NOTE: Instantiation part should not time consuming
                    # otherwise ServiceMsgHandler will get block and will
                    # not be able serve any subsequent requests. This applies
                    # to instantiation of evey actuator.
                    self._service_actuator = service_actuator_class()
                    logger.info(
                        f"_process_msg, service_actuator name: {self._service_actuator.name()}"
                    )
                    self._execute_request(self._service_actuator, jsonMsg,
                                          uuid)
                    actuator_state_manager.set_state(
                        "Service", actuator_state_manager.INITIALIZED)
                else:
                    logger.info("Service actuator is not instantiated")

            # If there is no entry for actuator in table, We can assume
            # that it is not loaded for some reason.
            else:
                logger.warn("Service actuator is not loaded or not supported")

        # Handle events generated by the service watchdogs
        elif jsonMsg.get("actuator_request_type").get(
                "service_watchdog_controller") is not None:
            self._log_debug(
                "_processMsg, msg_type: service_watchdog_controller")

            # Parse out values to be sent
            service_name = jsonMsg.get("actuator_request_type").get(
                "service_watchdog_controller").get("service_name")
            state = jsonMsg.get("actuator_request_type").get(
                "service_watchdog_controller").get("state")
            prev_state = jsonMsg.get("actuator_request_type").get(
                "service_watchdog_controller").get("previous_state")
            substate = jsonMsg.get("actuator_request_type").get(
                "service_watchdog_controller").get("substate")
            prev_substate = jsonMsg.get("actuator_request_type").get(
                "service_watchdog_controller").get("previous_substate")
            pid = jsonMsg.get("actuator_request_type").get(
                "service_watchdog_controller").get("pid")
            prev_pid = jsonMsg.get("actuator_request_type").get(
                "service_watchdog_controller").get("previous_pid")

            # Pull out the service_request and if it's equal to "status" then get current status (state, substate)
            service_request = jsonMsg.get("actuator_request_type").get(
                "service_watchdog_controller").get("service_request")
            if service_request != "None":
                # Query the Zope GlobalSiteManager for an object implementing IService
                if self._service_actuator is None:
                    from actuators.IService import IService
                    self._service_actuator = self._query_utility(IService)()
                    self._log_debug(
                        f"_process_msg, service_actuator name: {self._service_actuator.name()}"
                    )
                service_name, state, substate = self._service_actuator.perform_request(
                    jsonMsg)

                self._log_debug(
                    f"_processMsg, service_name: {service_name}, state: {state}, substate: {substate}"
                )
                self._log_debug(
                    f"_processMsg, prev state: {prev_state}, prev substate: {prev_substate}"
                )

            # Create a service watchdog message and send it out
            jsonMsg = ServiceWatchdogMsg(service_name, state, prev_state,
                                         substate, prev_substate, pid,
                                         prev_pid).getJson()
            self._write_internal_msgQ("RabbitMQegressProcessor", jsonMsg)

            # Create an IEM if the resulting service state is failed
            if "fail" in state.lower() or \
                "fail" in substate.lower():
                json_data = {
                    "service_name": service_name,
                    "state": state,
                    "previous_state": prev_state,
                    "substate": substate,
                    "previous_substate": prev_substate,
                    "pid": pid,
                    "previous_pid": prev_pid
                }

                internal_json_msg = json.dumps({
                    "actuator_request_type": {
                        "logging": {
                            "log_level":
                            "LOG_WARNING",
                            "log_type":
                            "IEM",
                            "log_msg":
                            f"IEC: 020003001: Service entered a Failed state : {json.dumps(json_data, sort_keys=True)}"
                        }
                    }
                })

                # Send the event to logging msg handler to send IEM message to journald
                self._write_internal_msgQ(LoggingMsgHandler.name(),
                                          internal_json_msg)