def on_cmd_ended_cb(self, event): """ Callback function executes when the command invoked asynchronously returns from the server. :param event: A CmdDoneEvent object. This class is used to pass data to the callback method in asynchronous callback model for command execution. :type: CmdDoneEvent object It has the following members: - device : (DeviceProxy) The DeviceProxy object on which the call was executed. - cmd_name : (str) The command name - argout_raw : (DeviceData) The command argout - argout : The command argout - err : (bool) A boolean flag set to true if the command failed. False otherwise - errors : (sequence<DevError>) The error stack - ext :return: none """ this_server = TangoServerHelper.get_instance() sdp_sa_ln_server = TangoServerHelper.get_instance() if event.err: log = f"{const.ERR_INVOKING_CMD}{event.cmd_name}\n{event.errors}" this_server.write_attr("activityMessage", log, False) sdp_sa_ln_server.set_status(log) self.logger.error(log) else: log = const.STR_COMMAND + event.cmd_name + const.STR_INVOKE_SUCCESS this_server.write_attr("activityMessage", log, False) sdp_sa_ln_server.set_status(log) self.logger.info(log)
def check_allowed(self): """ Checks whether this command is allowed to be run in current device state :return: True if this command is allowed to be run in current device state :rtype: boolean :raises: DevFailed if this command is not allowed to be run in current device state """ if self.state_model.op_state in [DevState.UNKNOWN, DevState.DISABLE]: log_msg = f"ObsReset() is not allowed in {self.state_model.op_state}" tango.Except.throw_exception( log_msg, "Failed to invoke ObsReset command on MccsSubarrayLeafNode.", "mccssubarrayleafnode.ObsReset()", tango.ErrSeverity.ERR, ) self.this_server = TangoServerHelper.get_instance() self.mccs_sa_fqdn = self.this_server.read_property( "MccsSubarrayFQDN")[0] self.mccs_sa_client = TangoClient(self.mccs_sa_fqdn) if self.mccs_sa_client.get_attribute("obsState").value not in [ ObsState.ABORTED, ObsState.FAULT ]: tango.Except.throw_exception( const.ERR_DEVICE_NOT_IN_VALID_OBSTATE, const.ERR_OBSRESET_INVOKING_CMD, "MccsSubarrayLeafNode.ObsResetCommand", tango.ErrSeverity.ERR) return True
def do(self): """ Method to invoke Off command on CSP Element. param argin: None. return: A tuple containing a return code and a string message indicating status. The message is for information purpose only. rtype: (ResultCode, str) """ device_data = self.target self.logger.debug(const.STR_OFF_CMD_ISSUED) this_device = TangoServerHelper.get_instance() this_device.write_attr("activityMessage", const.STR_OFF_CMD_ISSUED, False) device_data.cbf_health_updator.stop() device_data.pss_health_updator.stop() device_data.pst_health_updator.stop() return (ResultCode.OK, const.STR_OFF_CMD_ISSUED)
def do(self): """ Method to invoke Endscan command on CSP Subarray. return: None raises: DevFailed if the command execution is not successful """ try: this_server = TangoServerHelper.get_instance() csp_subarray_fqdn = "" property_val = this_server.read_property("CspSubarrayFQDN") csp_subarray_fqdn = csp_subarray_fqdn.join(property_val) csp_sub_client_obj = TangoClient(csp_subarray_fqdn) csp_sub_client_obj.send_command_async(const.CMD_ENDSCAN, None, self.endscan_cmd_ended_cb) this_server.write_attr("activityMessage", const.STR_ENDSCAN_SUCCESS, False) self.logger.info(const.STR_ENDSCAN_SUCCESS) except DevFailed as dev_failed: log_msg = f"{const.ERR_ENDSCAN_INVOKING_CMD}{dev_failed}" this_server.write_attr("activityMessage", log_msg, False) self.logger.exception(dev_failed) tango.Except.throw_exception( const.STR_ENDSCAN_EXEC, log_msg, "CspSubarrayLeafNode.EndScanCommand", tango.ErrSeverity.ERR, )
def check_allowed(self): """ Checks whether this command is allowed to be run in current device state. Assigns resources to given SDP subarray. This command is provided as a noop placeholder from SDP subarray. Eventually this will likely take a JSON string specifying the resource request. :return: True if this command is allowed to be run in current device state. :rtype: boolean :raises: Exception if command execution throws any type of exception. """ self.this_server = TangoServerHelper.get_instance() if self.state_model.op_state in [ DevState.FAULT, DevState.UNKNOWN, DevState.DISABLE, ]: tango.Except.throw_exception( f"AssignResources() is not allowed in current state {self.state_model.op_state}", "Failed to invoke AssignResources command on SdpSubarrayLeafNode.", "sdpsubarrayleafnode.AssignResources()", tango.ErrSeverity.ERR, ) return True
def check_allowed(self): """ Checks whether this command is allowed to be run in current device state return: True if this command is allowed to be run in current device state rtype: boolean raises: DevFailed if this command is not allowed to be run in current device state """ if self.state_model.op_state in [DevState.UNKNOWN, DevState.DISABLE]: tango.Except.throw_exception( f"Restart() is not allowed in current state {self.state_model.op_state}", "Failed to invoke Restart command on CspSubarrayLeafNode.", "cspsubarrayleafnode.Restart()", tango.ErrSeverity.ERR, ) this_server = TangoServerHelper.get_instance() csp_subarray_fqdn = this_server.read_property("CspSubarrayFQDN")[0] csp_sa_client = TangoClient(csp_subarray_fqdn) if csp_sa_client.get_attribute("obsState").value not in [ ObsState.FAULT, ObsState.ABORTED ]: tango.Except.throw_exception(const.ERR_UNABLE_RESTART_CMD, const.ERR_RESTART_INVOKING_CMD, "CspSubarrayLeafNode.RestartCommand", tango.ErrSeverity.ERR) return True
def do(self): """ Method to invoke Standby command on SDP Master. :param argin: None. return: None """ this_server = TangoServerHelper.get_instance() try: sdp_master_ln_fqdn = "" property_val = this_server.read_property("SdpMasterFQDN")[0] sdp_master_ln_fqdn = sdp_master_ln_fqdn.join(property_val) sdp_mln_client_obj = TangoClient(sdp_master_ln_fqdn) sdp_mln_client_obj.send_command_async( const.CMD_STANDBY, callback_method=self.standby_cmd_ended_cb ) log_msg = const.CMD_STANDBY + const.STR_COMMAND + const.STR_INVOKE_SUCCESS self.logger.debug(log_msg) except DevFailed as dev_failed: self.logger.exception(dev_failed) log_msg = f"{const.ERR_STANDBY_CMD_FAIL}{dev_failed}" tango.Except.re_throw_exception( dev_failed, const.ERR_INVOKING_CMD, log_msg, "SdpMasterLeafNode.StandbyCommand()", tango.ErrSeverity.ERR, )
def check_allowed(self): """ Checks whether the command is allowed to be run in the current state :return: True if this command is allowed to be run in current device state :rtype: boolean :raises: DevFailed if this command is not allowed to be run in current device state """ if self.state_model.op_state in [ DevState.FAULT, DevState.UNKNOWN, DevState.DISABLE, ]: tango.Except.throw_exception( f"ReleaseAllResources() is not allowed in current state {self.state_model.op_state}", "Failed to invoke ReleaseAllResources command on " "cspsubarrayleafnode.", "cspsubarrayleafnode.ReleaseAllResources()", tango.ErrSeverity.ERR, ) this_server = TangoServerHelper.get_instance() csp_subarray_fqdn = this_server.read_property("CspSubarrayFQDN")[0] csp_sa_client = TangoClient(csp_subarray_fqdn) if csp_sa_client.get_attribute("obsState").value != ObsState.IDLE: tango.Except.throw_exception( const.ERR_DEVICE_NOT_IDLE, "Failed to invoke ReleaseAllResourcesCommand command on cspsubarrayleafnode.", "CspSubarrayLeafNode.ReleaseAllResourcesCommand", tango.ErrSeverity.ERR) return True
def cmd_ended_cb(self, event): """ Callback function immediately executed when the asynchronous invoked command returns. Checks whether the command has been successfully invoked on DishMaster. :param event: a CmdDoneEvent object. This object is used to pass data to the callback method in asynchronous callback model for command execution. :type: CmdDoneEvent object It has the following members: - cmd_name : (str) The command name - argout_raw : (DeviceData) The command argout - argout : The command argout - err : (bool) A boolean flag set to True if the command failed. False otherwise - errors : (sequence<DevError>) The error stack - ext """ this_server = TangoServerHelper.get_instance() if event.err: log_message = f"Error in invoking command: {event.cmd_name}\n{event.errors}" self.logger.error(log_message) this_server.write_attr("activityMessage", log_message, False) else: log_message = f"Command :-> {event.cmd_name} invoked successfully." self.logger.info(log_message) this_server.write_attr("activityMessage", log_message, False)
def check_allowed(self): """ Checks whether this command is allowed to be run in current device state :return: True if this command is allowed to be run in current device state :rtype: boolean :raises: Exception if command execution throws any type of exception """ self.this_server = TangoServerHelper.get_instance() sdp_subarray_fqdn = self.this_server.read_property("SdpSubarrayFQDN")[0] self.sdp_sa_ln_client_obj = TangoClient(sdp_subarray_fqdn) if self.state_model.op_state in [ DevState.FAULT, DevState.UNKNOWN, DevState.DISABLE, ]: tango.Except.throw_exception( f"ReleaseAllResources() is not allowed in current state {self.state_model.op_state}", "Failed to invoke ReleaseAllResources command on " "SdpSubarrayLeafNode.", "SdpSubarrayLeafNode.ReleaseAllResources()", tango.ErrSeverity.ERR, ) if self.sdp_sa_ln_client_obj.get_attribute("obsState").value != ObsState.IDLE: tango.Except.throw_exception(const.STR_RELEASE_RES_EXEC, const.ERR_RELEASE_RESOURCES, "SdpSubarrayLeafNode.ReleaseAllResources()", tango.ErrSeverity.ERR) return True
def check_allowed(self): """ Checks whether this command is allowed to be run in current device state. :return: True if this command is allowed to be run in current device state. :rtype: boolean :raises: Exception if command execution throws any type of exception. """ self.this_server = TangoServerHelper.get_instance() sdp_subarray_fqdn = self.this_server.read_property( "SdpSubarrayFQDN")[0] self.sdp_sa_ln_client_obj = TangoClient(sdp_subarray_fqdn) if self.state_model.op_state in [ DevState.FAULT, DevState.UNKNOWN, DevState.DISABLE, ]: tango.Except.throw_exception( f"Scan() is not allowed in current state {self.state_model.op_state}", "Failed to invoke Scan command on SdpSubarrayLeafNode.", "sdpsubarrayleafnode.Scan()", tango.ErrSeverity.ERR, ) if self.sdp_sa_ln_client_obj.get_attribute( "obsState").value != ObsState.READY: tango.Except.throw_exception( const.ERR_DEVICE_NOT_READY, const.STR_SCAN_EXEC, "SdpSubarrayLeafNode.StartScanCommand", tango.ErrSeverity.ERR) return True
def do(self): """ This command invokes Abort command on CSP Subarray. return: None raises: DevFailed if error occurs while invoking command on CSP Subarray. """ try: this_server = TangoServerHelper.get_instance() csp_subarray_fqdn = "" property_val = this_server.read_property("CspSubarrayFQDN") csp_subarray_fqdn = csp_subarray_fqdn.join(property_val) csp_sub_client_obj = TangoClient(csp_subarray_fqdn) csp_sub_client_obj.send_command_async(const.CMD_ABORT, None, self.abort_cmd_ended_cb) this_server.write_attr("activityMessage", const.STR_ABORT_SUCCESS, False) self.logger.info(const.STR_ABORT_SUCCESS) except DevFailed as dev_failed: log_msg = f"{const.ERR_ABORT_INVOKING_CMD}{dev_failed}" this_server.write_attr("activityMessage", log_msg, False) self.logger.exception(dev_failed) tango.Except.throw_exception( const.STR_ABORT_EXEC, log_msg, "CspSubarrayLeafNode.AbortCommand", tango.ErrSeverity.ERR, )
def do(self): """ Initializes the attributes and properties of the CspMasterLeafNode. :return: A tuple containing a return code and a string message indicating status. The message is for information purpose only. :rtype: (ResultCode, str) :raises: DevFailed if error occurs while creating the device proxy for CSP Master or subscribing the evennts. """ super().do() device = self.target device.attr_map = {} this_device = TangoServerHelper.get_instance() this_device.set_tango_class(device) this_device.write_attr("activityMessage", const.STR_CSP_INIT_LEAF_NODE, False) ApiUtil.instance().set_asynch_cb_sub_model( tango.cb_sub_model.PUSH_CALLBACK) log_msg = f"{const.STR_SETTING_CB_MODEL}{ApiUtil.instance().get_asynch_cb_sub_model()}" self.logger.debug(log_msg) this_device.write_attr("activityMessage", const.STR_INIT_SUCCESS, False) self.logger.info(const.STR_INIT_SUCCESS) return (ResultCode.OK, const.STR_INIT_SUCCESS)
def do(self, argin): """ Invokes Endscan command on DishMaster. param argin: timestamp raises: DevFailed If error occurs while invoking StopCapture command on DishMaster. """ command_name = "EndScan" cmd_ended_cb = CommandCallBack(self.logger).cmd_ended_cb try: this_server = TangoServerHelper.get_instance() self.dish_master_fqdn = "" property_value = this_server.read_property("DishMasterFQDN") self.dish_master_fqdn = self.dish_master_fqdn.join(property_value) dish_client = TangoClient(self.dish_master_fqdn) dish_client.send_command_async("StopCapture", callback_method=cmd_ended_cb) self.logger.info("'%s' command executed successfully.", command_name) except DevFailed as dev_failed: self.logger.exception(dev_failed) log_message = ( f"Exception occured while executing the '{command_name}' command." ) this_server.write_attr("activityMessage", log_message, False) tango.Except.re_throw_exception( dev_failed, f"Exception in '{command_name}' command.", log_message, "EndScan.do()", tango.ErrSeverity.ERR, )
def do(self, argin): """ Method to invoke AssignResources command. :param argin: DevString in JSON form containing following fields: interface: Schema to allocate assign resources. mccs: subarray_beam_ids: list of integers station_ids: list of integers channel_blocks: list of integers Example: {"interface":"https://schema.skatelescope.org/ska-low-tmc-assignedresources/1.0","mccs":{"subarray_beam_ids":[1],"station_ids":[[1,2]],"channel_blocks":[3]}} return: A tuple containing ResultCode and string. """ device_data = self.target this_server = TangoServerHelper.get_instance() device_data.is_end_command = False device_data.is_release_resources = False device_data.is_abort_command_executed = False device_data.is_obsreset_command_executed = False device_data.is_restart_command_executed = False # TODO: For now storing resources as station ids input_str = json.loads(argin) device_data.resource_list = input_str["mccs"]["station_ids"] log_msg = f"{const.STR_ASSIGN_RES_EXEC}STARTED" self.logger.debug(log_msg) this_server.write_attr("activityMessage", log_msg, False) return (ResultCode.STARTED, log_msg)
def releaseallresources_cmd_ended_cb(self, event): """ Callback function immediately executed when the asynchronous invoked command returns. :param event: a CmdDoneEvent object. This class is used to pass data to the callback method in asynchronous callback model for command execution. :type: CmdDoneEvent object It has the following members: - device : (DeviceProxy) The DeviceProxy object on which the call was executed. - cmd_name : (str) The command name - argout_raw : (DeviceData) The command argout - argout : The command argout - err : (bool) A boolean flag set to true if the command failed. False otherwise - errors : (sequence<DevError>) The error stack - ext :return: none """ this_server = TangoServerHelper.get_instance() # Update logs and activity message attribute with received event if event.err: log_msg = ( f"{const.ERR_INVOKING_CMD}{event.cmd_name}\n{event.errors}") self.logger.error(log_msg) this_server.write_attr("activityMessage", log_msg, False) else: log_msg = f"{const.STR_COMMAND}{event.cmd_name}{const.STR_INVOKE_SUCCESS}" self.logger.info(log_msg) this_server.write_attr("activityMessage", log_msg, False)
def do(self): """ Method to invoke Off command on CSP Subarray. param argin: None return: A tuple containing a return code and a string message indicating status. The message is for information purpose only. rtype: (ResultCode, str) """ this_server = TangoServerHelper.get_instance() try: log_msg = const.CMD_OFF + const.STR_COMMAND + const.STR_INVOKE_SUCCESS self.logger.debug(log_msg) delay_manager_obj = DelayManager.get_instance() delay_manager_obj.stop() return (ResultCode.OK, log_msg) except DevFailed as dev_failed: log_msg = f"{const.ERR_OFF_INVOKING_CMD}{dev_failed}" this_server.write_attr("activityMessage", log_msg, False) self.logger.exception(log_msg) tango.Except.throw_exception( const.ERR_OFF_INVOKING_CMD, log_msg, "CspSubarrayLeafNode.OffCommand", tango.ErrSeverity.ERR, )
def check_allowed(self): """ Checks whether this command is allowed to be run in current device state :return: True if this command is allowed to be run in current device state :rtype: boolean :raises: DevFailed if this command is not allowed to be run in current device state """ self.this_server = TangoServerHelper.get_instance() sdp_subarray_fqdn = self.this_server.read_property( "SdpSubarrayFQDN")[0] self.sdp_sa_ln_client_obj = TangoClient(sdp_subarray_fqdn) if self.state_model.op_state in [DevState.UNKNOWN, DevState.DISABLE]: tango.Except.throw_exception( f"Restart() is not allowed in current state {self.state_model.op_state}", "Failed to invoke Restart command on SdpSubarrayLeafNode.", "sdpsubarrayleafnode.Restart()", tango.ErrSeverity.ERR, ) if self.sdp_sa_ln_client_obj.get_attribute("obsState").value not in [ ObsState.ABORTED, ObsState.FAULT ]: tango.Except.throw_exception(const.ERR_DEVICE_NOT_ABORTED_FAULT, const.ERR_RESTART_INVOKING_CMD, "SdpSubarrayLeafNode.Restart()", tango.ErrSeverity.ERR) return True
def do(self): """ Initializes the attributes and properties of the MccsSubarrayLeafNode. return: A tuple containing a return code and a string message indicating status. The message is for information purpose only. rtype: (ReturnCode, str) raises: DevFailed if error occurs in creating proxy for MCCSSubarray. """ super().do() device = self.target this_server = TangoServerHelper.get_instance() this_server.set_tango_class(device) device.attr_map = {} # Initialise Attributes device.attr_map["activityMessage"] = "" device_data = DeviceData.get_instance() device.device_data = device_data device._build_state = "{},{},{}".format( release.name, release.version, release.description ) device._version_id = release.version device._versioninfo = " " device.set_status(const.STR_MCCSSALN_INIT_SUCCESS) device._mccs_subarray_health_state = HealthState.OK self.logger.info(const.STR_MCCSSALN_INIT_SUCCESS) this_server.write_attr("activityMessage", const.STR_MCCSSALN_INIT_SUCCESS, False) return (ResultCode.OK, const.STR_MCCSSALN_INIT_SUCCESS)
def do(self): """ Initializes the attributes and properties of the Central Node Low. :return: A tuple containing a return code and a string message indicating status. The message is for information purpose only. :rtype: (ReturnCode, str) :raises: DevFailed if error occurs while initializing the CentralNode device or if error occurs while creating device proxy for any of the devices like SubarrayNodeLow or MccsMasterLeafNode. """ super().do() device = self.target try: self.logger.info("Device initialisating...") device_data = DeviceData.get_instance() device.device_data = device_data # Get Instance of TangoServerHelper class this_server = TangoServerHelper.get_instance() this_server.set_tango_class(device) device.attr_map = {} # Initialise Attributes device.attr_map["telescopeHealthState"] = HealthState.UNKNOWN device.attr_map["subarray1HealthState"] = HealthState.UNKNOWN device.attr_map["activityMessage"] = "" device._health_state = HealthState.OK device._build_state = "{},{},{}".format( release.name, release.version, release.description) device._version_id = release.version device_data.mccs_controller_fqdn = "low-mccs/control/control" self.logger.debug(const.STR_INIT_SUCCESS) except DevFailed as dev_failed: log_msg = f"{const.ERR_INIT_PROP_ATTR_CN}{dev_failed}" self.logger.exception(dev_failed) this_server.write_attr("activityMessage", const.ERR_INIT_PROP_ATTR_CN, False) tango.Except.throw_exception( const.STR_CMD_FAILED, log_msg, "CentralNode.InitCommand.do()", tango.ErrSeverity.ERR, ) for subarray in range(0, len(device.TMLowSubarrayNodes)): # populate subarray_id-subarray proxy map tokens = device.TMLowSubarrayNodes[subarray].split("/") subarray_id = int(tokens[2]) device_data.subarray_FQDN_dict[ subarray_id] = device.TMLowSubarrayNodes[subarray] this_server.write_attr("activityMessage", const.STR_CN_INIT_SUCCESS, False) self.logger.info(device.attr_map["activityMessage"]) return (ResultCode.OK, device.attr_map["activityMessage"])
def do(self): """ Method to invoke StandBy command. param argin: None. return: A tuple containing a return code and a string message indicating status. The message is for information purpose only. rtype: (ResultCode, str) raises: AssertionError if Mccs On command is not completed. """ device_data = self.target try: self.this_server = TangoServerHelper.get_instance() # Check if Mccs On command is completed cmd_res = json.loads(device_data.cmd_res_evt_val) log_msg = "commandresult attribute value in StandByTelescope command", cmd_res self.logger.debug(log_msg) if cmd_res["result_code"] != 0: retry = 0 while retry < 3: if cmd_res["result_code"] == 0: break retry += 1 time.sleep(0.1) assert cmd_res["result_code"] == 0, "Startup command completed OK" self.mccs_master_ln_fqdn = "" property_value = self.this_server.read_property("MCCSMasterLeafNodeFQDN") self.mccs_master_ln_fqdn = self.mccs_master_ln_fqdn.join(property_value) self.create_mccs_client(self.mccs_master_ln_fqdn) subarray_low = self.this_server.read_property("TMLowSubarrayNodes") self.create_subarray_client(subarray_low) device_data.health_aggreegator.unsubscribe_event() log_msg = const.STR_STANDBY_CMD_ISSUED self.logger.info(log_msg) self.this_server.write_attr("activityMessage", log_msg, False) # Unsubscribe commandResult attribute of MccsController cmd_res_subscriber_unsubscriber_obj = CommandResultFetcher() cmd_res_subscriber_unsubscriber_obj._unsubscribe_cmd_res_attribute_events() return (ResultCode.OK, const.STR_STANDBY_CMD_ISSUED) except AssertionError: log_msg = const.ERR_STARTUP_CMD_INCOMPLETE self.logger.exception(log_msg) self.this_server.write_attr("activityMessage", const.ERR_STARTUP_CMD_INCOMPLETE, False) tango.Except.throw_exception(const.STR_STANDBY_EXEC, log_msg, "CentralNode.StandByTelescopeCommand", tango.ErrSeverity.ERR)
def __init__(self, logger=None): if logger is None: self.logger = logging.getLogger(__name__) else: self.logger = logger self._mccs_sa_obs_state = None self.mccs_obs_state_event_id = {} self.this_server = TangoServerHelper.get_instance() self.device_data = DeviceData.get_instance()
def do(self): """ Initializes the attributes and properties of the CspSubarrayLeafNode. :return: A tuple containing a return code and a string message indicating status. The message is for information purpose only. :rtype: (ReturnCode, str) :raises: DevFailed if error occurs in creating proxy for CSPSubarray. """ super().do() device = self.target this_server = TangoServerHelper.get_instance() this_server.set_tango_class(device) device.attr_map = {} device.attr_map["delayModel"] = " " device.attr_map["activityMessage"] = "" device._build_state = "{},{},{}".format(release.name, release.version, release.description) device._version_id = release.version device._versioninfo = " " # The IERS_A file needs to be downloaded each time when the MVP is deployed. delay_manager_obj = DelayManager.get_instance() try: download_iers_thread = threading.Thread( None, delay_manager_obj.download_IERS_file, "CspSubarrayLeafNode") download_iers_thread.start() except Exception as delay_execption: log_msg = f"Exception in DelayCorrection Katpoint API {delay_execption}" self.logger.exception(log_msg) tango.Except.throw_exception( const.STR_CMD_FAILED, log_msg, "CspSubarrayLeafNode.InitCommand.do()", tango.ErrSeverity.ERR, ) ApiUtil.instance().set_asynch_cb_sub_model( tango.cb_sub_model.PUSH_CALLBACK) this_server.write_attr( "activityMessage", f"{const.STR_SETTING_CB_MODEL}{ApiUtil.instance().get_asynch_cb_sub_model()}", False, ) this_server.set_status(const.STR_CSPSALN_INIT_SUCCESS) this_server.write_attr("activityMessage", const.STR_CSPSALN_INIT_SUCCESS, False) self.logger.info(const.STR_CSPSALN_INIT_SUCCESS) return (ResultCode.OK, const.STR_CSPSALN_INIT_SUCCESS)
def __init__(self, logger=None): if logger == None: self.logger = logging.getLogger(__name__) else: self.logger = logger self.device_data = DeviceData.get_instance() self.this_server = TangoServerHelper.get_instance() self.event_id = None self.csp_master = TangoClient( self.this_server.read_property("CspMasterFQDN")[0])
def __init__(self, logger=None): if logger == None: self.logger = logging.getLogger(__name__) else: self.logger = logger self.mccs_ln_asigned_res_event_id = {} self.this_server = TangoServerHelper.get_instance() self.device_data = DeviceData.get_instance() mccs_subarray_ln_fqdn = self.this_server.read_property( "MccsSubarrayLNFQDN")[0] self.mccs_client = TangoClient(mccs_subarray_ln_fqdn)
def do(self, argin): """ Method to invoke Configure command. :param argin: DevString. JSON string example is: {"interface":"https://schema.skatelescope.org/ska-low-tmc-configure/1.0","mccs":{"stations":[{"station_id":1},{"station_id":2}],"subarray_beams":[{"subarray_beam_id":1,"station_ids":[1,2],"update_rate":0.0,"channels":[[0,8,1,1],[8,8,2,1],[24,16,2,1]],"antenna_weights":[1.0,1.0,1.0],"phase_centre":[0.0,0.0],"target":{"system":"HORIZON","name":"DriftScan","az":180.0,"el":45.0}}]},"sdp":{},"tmc":{"scan_duration":10.0}} return: A tuple containing a return code and a string message indicating status. The message is for information purpose only. rtype: (ReturnCode, str) raises: JSONDecodeError if input argument json string contains invalid value DevFailed if the command execution is not successful. """ device_data = self.target device_data.is_scan_completed = False device_data.is_release_resources = False device_data.is_abort_command_executed = False device_data.is_obsreset_command_executed = False device_data.is_restart_command_executed = False self.logger.info(const.STR_CONFIGURE_CMD_INVOKED_SA_LOW) log_msg = f"{const.STR_CONFIGURE_IP_ARG}{argin}" self.logger.info(log_msg) self.this_server = TangoServerHelper.get_instance() self.this_server.write_attr("activityMessage", const.STR_CONFIGURE_CMD_INVOKED_SA_LOW, False) try: scan_configuration = json.loads(argin) except json.JSONDecodeError as jerror: log_message = f"{const.ERR_INVALID_JSON}{jerror}" self.logger.error(log_message) self.this_server.write_attr("activityMessage", log_message, False) tango.Except.throw_exception( const.STR_CMD_FAILED, log_message, const.STR_CONFIGURE_EXEC, tango.ErrSeverity.ERR, ) tmc_configure = scan_configuration["tmc"] device_data.scan_duration = int(tmc_configure["scan_duration"]) self._create_mccs_cmd_data(scan_configuration) message = "Configure command invoked" self.logger.info(message) return (ResultCode.STARTED, message)
def do(self): """ Initializes the attributes and properties of the Subarray Node. return: A tuple containing a return code and a string message indicating status. The message is for information purpose only. rtype: (ReturnCode, str) raises: DevFailed if the error while subscribing the tango attribute """ super().do() device = self.target device.set_status(const.STR_SA_INIT) device_data = DeviceData.get_instance() device.device_data = device_data this_server = TangoServerHelper.get_instance() this_server.set_tango_class(device) device.attr_map = {} device.attr_map["scanID"] = "" device.attr_map["assigned_resources"] = "" device.attr_map["activityMessage"] = "" device._obs_mode = ObsMode.IDLE device._resource_list = [] device.is_end_command = False device.is_release_resources = False device._build_state = "{},{},{}".format(release.name, release.version, release.description) device._version_id = release.version device._health_event_id = [] device._mccs_sa_obs_state = ObsState.EMPTY device.subarray_ln_health_state_map = {} device._subarray_health_state = ( HealthState.OK) # Aggregated Subarray Health State device.device_data.obs_state_aggr = ObsStateAggregator(self.logger) device.device_data.obs_state_aggr.subscribe() # subscribe to HealthState device.device_data.health_state_aggr = HealthStateAggregator( self.logger) device.device_data.health_state_aggr.subscribe() device_data.assigned_resources_maintainer = AssignedResourcesMaintainer( ) device_data.assigned_resources_maintainer.subscribe() this_server.write_attr("activityMessage", const.STR_SA_INIT_SUCCESS, False) self.logger.info(const.STR_SA_INIT_SUCCESS) return (ResultCode.OK, const.STR_SA_INIT_SUCCESS)
def validate_obs_state(self): self.this_server = TangoServerHelper.get_instance() sdp_subarray_fqdn = self.this_server.read_property("SdpSubarrayFQDN")[0] sdp_sa_client = TangoClient(sdp_subarray_fqdn) if sdp_sa_client.get_attribute("obsState").value in [ObsState.EMPTY, ObsState.IDLE]: self.logger.info( "SDP subarray is in required obstate,Hence resources to SDP can be assign." ) else: self.logger.error("Subarray is not in EMPTY obstate") log_msg = "Error in device obstate." self.this_server.write_attr("activityMessage", log_msg, False) raise InvalidObsStateError("SDP subarray is not in EMPTY obstate.")
def do(self, argin): """ Method to invoke Scan command on MCCS Subarray. :param argin: JSON string consists of scan id (int) and start_time. Example: {"interface":"https://schema.skatelescope.org/ska-low-mccs-scan/1.0","scan_id":1,"start_time":0.0} Note: Enter the json string without spaces as a input. return: None raises: DevFailed if the command execution is not successful """ this_server = TangoServerHelper.get_instance() device_data = DeviceData.get_instance() try: mccs_subarray_fqdn = "" property_value = this_server.read_property("MccsSubarrayFQDN")[0] mccs_subarray_fqdn = mccs_subarray_fqdn.join(property_value) mccs_subarray_client = TangoClient(mccs_subarray_fqdn) assert mccs_subarray_client.get_attribute( "obsState").value == ObsState.READY mccs_subarray_client.send_command_async(const.CMD_SCAN, argin, self.scan_cmd_ended_cb) this_server.write_attr("activityMessage", const.STR_SCAN_SUCCESS, False) self.logger.info(const.STR_SCAN_SUCCESS) except AssertionError as assertion_error: log_msg = f"{const.ERR_DEVICE_NOT_READY}{assertion_error}" device_data._read_activity_message = log_msg self.logger.exception(log_msg) tango.Except.throw_exception(const.STR_SCAN_EXEC, log_msg, "MccsSubarrayLeafNode.Scan", tango.ErrSeverity.ERR) except DevFailed as dev_failed: log_msg = f"{const.ERR_SCAN_RESOURCES}{dev_failed}" this_server.write_attr("activityMessage", log_msg, False) self.logger.exception(dev_failed) tango.Except.throw_exception( const.STR_SCAN_EXEC, log_msg, "MccsSubarrayLeafNode.Scan", tango.ErrSeverity.ERR, )
def __init__(self, logger=None): if logger == None: self.logger = logging.getLogger(__name__) else: self.logger = logger self.subarray_ln_health_state_map = {} self.mccs_ln_health_event_id = {} self.this_server = TangoServerHelper.get_instance() self.device_data = DeviceData.get_instance() mccs_subarray_ln_fqdn = "" property_val = self.this_server.read_property("MccsSubarrayLNFQDN") mccs_subarray_ln_fqdn = mccs_subarray_ln_fqdn.join(property_val) self.mccs_client = TangoClient(mccs_subarray_ln_fqdn)