def _generate_disk_space_alert(self):
"""Create & transmit a disk_space_alert message as defined
by the sensor response json schema"""
# Notify the node sensor to update its data required for the disk_space_data message
successful = self._node_sensor.read_data("disk_space_alert",
self._get_debug(),
self._units)
if not successful:
logger.error(
"NodeDataMsgHandler, _generate_disk_space_alert was NOT successful."
)
return
# Changing disk_usage_threshold type according to what value type entered in config file
self._disk_usage_threshold = str(self._disk_usage_threshold)
try:
if self._disk_usage_threshold.isdigit():
self._disk_usage_threshold = int(self._disk_usage_threshold)
else:
self._disk_usage_threshold = float(self._disk_usage_threshold)
except ValueError:
logger.warning(
"Disk Space Alert, Invalid disk_usage_threshold value are entered in config."
)
# Assigning default value to _disk_usage_threshold
self._disk_usage_threshold = self.DEFAULT_DISK_USAGE_THRESHOLD
if self._node_sensor.disk_used_percentage >= self._disk_usage_threshold:
if not self.disk_fault:
self.disk_fault = True
# Create the disk space data message and hand it over to the egress processor to transmit
fault_event = "Disk usage increased to %s, beyond configured threshold of %s" \
%(self._node_sensor.disk_used_percentage, self._disk_usage_threshold)
logger.warning(fault_event)
diskSpaceAlertMsg = DiskSpaceAlertMsg(
self._node_sensor.host_id, self._epoch_time,
self._node_sensor.total_space,
self._node_sensor.free_space,
self._node_sensor.disk_used_percentage, self._units,
self.site_id, self.rack_id, self.node_id, self.cluster_id,
self.FAULT, fault_event)
# Add in uuid if it was present in the json request
if self._uuid is not None:
diskSpaceAlertMsg.set_uuid(self._uuid)
jsonMsg = diskSpaceAlertMsg.getJson()
self.disk_sensor_data = jsonMsg
self.os_sensor_type["disk_space"] = self.disk_sensor_data
# Transmit it out over rabbitMQ channel
self._write_internal_msgQ(RabbitMQegressProcessor.name(),
jsonMsg)
if (self._node_sensor.disk_used_percentage <=
self._disk_usage_threshold) and (self.disk_fault == True):
# Create the disk space data message and hand it over to the egress processor to transmit
fault_resolved_event = "Disk usage decreased to %s, lesser than configured threshold of %s" \
%(self._node_sensor.disk_used_percentage, self._disk_usage_threshold)
logger.warning(fault_resolved_event)
diskSpaceAlertMsg = DiskSpaceAlertMsg(
self._node_sensor.host_id, self._epoch_time,
self._node_sensor.total_space, self._node_sensor.free_space,
self._node_sensor.disk_used_percentage, self._units,
self.site_id, self.rack_id, self.node_id, self.cluster_id,
self.FAULT_RESOLVED, fault_resolved_event)
# Add in uuid if it was present in the json request
if self._uuid is not None:
diskSpaceAlertMsg.set_uuid(self._uuid)
jsonMsg = diskSpaceAlertMsg.getJson()
self.disk_sensor_data = jsonMsg
self.os_sensor_type["disk_space"] = self.disk_sensor_data
# Transmit it out over rabbitMQ channel
self._write_internal_msgQ(RabbitMQegressProcessor.name(), jsonMsg)
self.disk_fault = False
def _generate_disk_space_alert(self):
"""Create & transmit a disk_space_alert message as defined
by the sensor response json schema"""
# Notify the node sensor to update its data required for the disk_space_data message
successful = self._node_sensor.read_data("disk_space_alert",
self._get_debug(),
self._units)
if not successful:
logger.error(
"NodeDataMsgHandler, _generate_disk_space_alert was NOT successful."
)
return
# Changing disk_usage_threshold type according to what value type entered in config file
self._disk_usage_threshold = str(self._disk_usage_threshold)
try:
if self._disk_usage_threshold.isdigit():
self._disk_usage_threshold = int(self._disk_usage_threshold)
else:
self._disk_usage_threshold = float(self._disk_usage_threshold)
except ValueError:
logger.warn(
"Disk Space Alert, Invalid disk_usage_threshold value are entered in config."
)
# Assigning default value to _disk_usage_threshold
self._disk_usage_threshold = self.DEFAULT_DISK_USAGE_THRESHOLD
if self._node_sensor.disk_used_percentage >= self._disk_usage_threshold \
and not self.high_usage['disk']:
self.high_usage['disk'] = True
# Create the disk space data message and hand it over
# to the egress processor to transmit
fault_event = "Disk usage has increased to {}%, "\
"beyond the configured threshold of {}%.".format(
self._node_sensor.disk_used_percentage,
self._disk_usage_threshold
)
logger.warn(fault_event)
diskSpaceAlertMsg = DiskSpaceAlertMsg(
self._node_sensor.host_id, self._epoch_time,
self._node_sensor.total_space, self._node_sensor.free_space,
self._node_sensor.disk_used_percentage, self._units,
self.FAULT, fault_event)
# Add in uuid if it was present in the json request
if self._uuid is not None:
diskSpaceAlertMsg.set_uuid(self._uuid)
jsonMsg = diskSpaceAlertMsg.getJson()
self.disk_sensor_data = jsonMsg
self.os_sensor_type["disk_space"] = self.disk_sensor_data
# Transmit it to message processor
self._write_internal_msgQ(EgressProcessor.name(), jsonMsg)
# Save the new state in Persistent Cache.
self.persist_state_data('disk', 'DISK_USAGE_DATA')
if self._node_sensor.disk_used_percentage <= self._disk_usage_threshold \
and self.high_usage['disk']:
# Create the disk space data message and hand it over
# to the egress processor to transmit
fault_resolved_event = "Disk usage has decreased to {}%, "\
"lower than the configured threshold of {}%.".format(
self._node_sensor.disk_used_percentage,
self._disk_usage_threshold
)
logger.info(fault_resolved_event)
diskSpaceAlertMsg = DiskSpaceAlertMsg(
self._node_sensor.host_id, self._epoch_time,
self._node_sensor.total_space, self._node_sensor.free_space,
self._node_sensor.disk_used_percentage, self._units,
self.FAULT_RESOLVED, fault_resolved_event)
# Add in uuid if it was present in the json request
if self._uuid is not None:
diskSpaceAlertMsg.set_uuid(self._uuid)
jsonMsg = diskSpaceAlertMsg.getJson()
self.disk_sensor_data = jsonMsg
self.os_sensor_type["disk_space"] = self.disk_sensor_data
# Transmit it to message processor
self._write_internal_msgQ(EgressProcessor.name(), jsonMsg)
self.high_usage['disk'] = False
# Save the new state in Persistent Cache.
self.persist_state_data('disk', 'DISK_USAGE_DATA')