def get_attribute_values(self, attrs):
"""
"""
log.debug("get_attribute_values: attrs=%s", attrs)
if not isinstance(attrs, (list, tuple)):
raise PlatformException('get_attribute_values: attrs argument must be a '
'list [(attrName, from_time), ...]. Given: %s', attrs)
# convert the ION system time from_time to NTP, as this is the time
# format used by the RSN OMS interface:
attrs_ntp = [(attr_id, ion_ts_2_ntp(from_time))
for (attr_id, from_time) in attrs]
try:
retval = self._rsn_oms.attr.get_platform_attribute_values(self._platform_id,
attrs_ntp)
except Exception as e:
raise PlatformConnectionException(msg="Cannot get_platform_attribute_values: %s" % str(e))
if not self._platform_id in retval:
raise PlatformException("Unexpected: response does not include "
"requested platform '%s'" % self._platform_id)
attr_values = retval[self._platform_id]
# reported timestamps are already in NTP. Just return the dict:
return attr_values
def _handler_connected_set_port_over_current_limits(self, *args, **kwargs):
"""
"""
port_id = kwargs.get('port_id', None)
if port_id is None:
raise PlatformException('set_port_over_current_limits: missing port_id argument')
milliamps = kwargs.get('milliamps', None)
if milliamps is None:
raise PlatformException('set_port_over_current_limits: missing milliamps argument')
microseconds = kwargs.get('microseconds', None)
if milliamps is None:
raise PlatformException('set_port_over_current_limits: missing microseconds argument')
src = kwargs.get('src', None)
if src is None:
raise PlatformException('set_port_over_current_limits: missing src argument')
try:
result = self.set_overcurrent_limit(port_id, milliamps, microseconds, src)
return None, result
except PlatformConnectionException as e:
return self._connection_lost(RSNPlatformDriverEvent.SET_PORT_OVER_CURRENT_LIMITS,
args, kwargs, e)
def _verify_response(response, key=None, msg=None):
if key is not None:
if key not in response:
raise PlatformException("Error in %s response: %r" % (msg, response))
response = response[key]
if not response.startswith('OK'):
raise PlatformException("Error in %s for key %s: %r" % (msg, key, response))
def _verify_response(rsp):
try:
message = rsp[port_id]
if not message.startswith('OK'):
raise PlatformException(
msg="Error in setting overcurrent for port %s: %s" %
(port_id, message))
except KeyError:
raise PlatformException(msg="Error in response: %s" % rsp)
def _verify_response(rsp):
try:
message = rsp[mission_name]
if not message.startswith('OK'):
raise PlatformException(
msg="Error in starting mission %s: %s" %
(mission_name, message))
except KeyError:
raise PlatformException(
msg="Error in starting mission response: %s" % rsp)
def get_attribute_values(self, attrs):
"""
"""
if not isinstance(attrs, (list, tuple)):
raise PlatformException(
'get_attribute_values: attrs argument must be a '
'list [(attrName, from_time), ...]. Given: %s', attrs)
if self._rsn_oms is None:
raise PlatformConnectionException(
"Cannot get_platform_attribute_values: _rsn_oms object required (created via connect() call)"
)
# convert the ION system time from_time to NTP, as this is the time
# format used by the RSN OMS interface:
# also convert the ION parameter names to RSN attribute IDs
attrs_ntp = [(self.nodeCfgFile.GetAttrFromParameter(attr_id),
ion_ts_2_ntp(from_time))
for (attr_id, from_time) in attrs]
log.debug("get_attribute_values(ntp): attrs=%s", attrs_ntp)
try:
retval = self._rsn_oms.attr.get_platform_attribute_values(
self._platform_id, attrs_ntp)
except Exception as e:
raise PlatformConnectionException(
msg="Cannot get_platform_attribute_values: %s" % str(e))
if not self._platform_id in retval:
raise PlatformException("Unexpected: response does not include "
"requested platform '%s'" %
self._platform_id)
attr_values = retval[self._platform_id]
attrs_return = {}
#convert back to ION parameter name and scale from OMS to ION
for key in attr_values:
newAttrList = []
scaleFactor = self.nodeCfgFile.GetScaleFactorFromAttr(key)
for v, ts in attr_values[key]:
newAttrList.append((v * scaleFactor, ts))
attrs_return[self.nodeCfgFile.GetParameterFromAttr(
key)] = newAttrList
log.debug("Back to ION=%s", attrs_return)
# reported timestamps are already in NTP. Just return the dict:
return attrs_return
def _handler_connected_turn_off_port(self, *args, **kwargs):
"""
"""
port_id = kwargs.get('port_id', None)
if port_id is None:
raise PlatformException('turn_off_port: missing port_id argument')
src = kwargs.get('src', None)
if port_id is None:
raise PlatformException('turn_off_port: missing src argument')
try:
result = self.turn_off_port(port_id, src)
return None, result
except PlatformConnectionException as e:
return self._connection_lost(RSNPlatformDriverEvent.TURN_OFF_PORT,
args, kwargs, e)
def _handler_connected_stop_profiler_mission(self, *args, **kwargs):
"""
"""
flag = kwargs.get('flag', None)
if flag is None:
raise PlatformException('_handler_connected_stop_profiler_mission: missing flag argument')
src = kwargs.get('src', None)
if src is None:
raise PlatformException('set_port_over_current_limits: missing src argument')
try:
result = self.stop_profiler_mission(flag, src)
return None, result
except PlatformConnectionException as e:
return self._connection_lost(RSNPlatformDriverEvent.STOP_PROFILER_MISSION,
args, kwargs, e)
def _handler_connected_start_profiler_mission(self, *args, **kwargs):
"""
"""
profile_mission_name = kwargs.get('profile_mission_name')
if profile_mission_name is None:
raise PlatformException('start_profiler_mission: missing profile_mission_name argument')
src = kwargs.get('src', None)
if src is None:
raise PlatformException('set_port_over_current_limits: missing src argument')
try:
result = self.start_profiler_mission(profile_mission_name, src)
return None, result
except PlatformConnectionException as e:
return self._connection_lost(RSNPlatformDriverEvent.START_PROFILER_MISSION,
args, kwargs, e)
def _verify_platform_id_in_response(self, response):
"""
Verifies the presence of my platform_id in the response.
@param response Dictionary returned by _rsn_oms
@retval response[self._platform_id]
"""
if not self._platform_id in response:
msg = "unexpected: response does not contain entry for %r" % self._platform_id
log.error(msg)
raise PlatformException(msg=msg)
if response[self._platform_id] == InvalidResponse.PLATFORM_ID:
msg = "response reports invalid platform_id for %r" % self._platform_id
log.error(msg)
raise PlatformException(msg=msg)
else:
return response[self._platform_id]
def set_attribute_values(self, attrs):
"""
"""
if self._rsn_oms is None:
raise PlatformConnectionException(
"Cannot set_platform_attribute_values: _rsn_oms object required (created via connect() call)"
)
error_vals = self._validate_set_attribute_values(attrs)
if len(error_vals) > 0:
# remove offending attributes for the request below
attrs_dict = dict(attrs)
for bad_attr_name in error_vals:
del attrs_dict[bad_attr_name]
# no good attributes at all?
if len(attrs_dict) == 0:
# just immediately return with the errors:
return error_vals
# else: update attrs with the good attributes:
attrs = attrs_dict.items()
# ok, now make the request to RSN OMS:
try:
retval = self._rsn_oms.attr.set_platform_attribute_values(
self._platform_id, attrs)
except Exception as e:
raise PlatformConnectionException(
msg="Cannot set_platform_attribute_values: %s" % str(e))
log.debug("set_platform_attribute_values = %s", retval)
if not self._platform_id in retval:
raise PlatformException("Unexpected: response does not include "
"requested platform '%s'" %
self._platform_id)
attr_values = retval[self._platform_id]
# Note that the reported timestamps are in NTP.
# (Timestamps indicate the time when the value was set for each attribute.)
# ret_attr_values: dictionary to return, initialized with the error ones
# determined above, if any:
ret_attr_values = error_vals
# add the info returned from RSN OMS:
for attr_name, attr_val_ts in attr_values.iteritems():
ret_attr_values[attr_name] = attr_val_ts
log.debug("set_attribute_values: returning %s", ret_attr_values)
return ret_attr_values
def _verify_returned_dict(attr_dict):
try:
for key in attr_dict.iterkeys():
value_list = attr_dict[key]
if value_list == 'INVALID_ATTRIBUTE_ID':
continue
if not isinstance(value_list, list):
raise PlatformException(
msg="Error in getting values for attribute %s. %s"
% (key, value_list))
if value_list and value_list[0][
0] == "ERROR_DATA_REQUEST_TOO_FAR_IN_PAST":
raise PlatformException(
msg="Time requested for %s too far in the past" %
key)
except AttributeError:
raise PlatformException(
msg="Error returned in requesting attributes: %s" %
attr_dict)
def _fetch_attrs(proxy, platform_id, attrs):
with stopwatch(label='get_platform_attribute_values: %s' % platform_id, logger=log.info):
try:
response = proxy.attr.get_platform_attribute_values(platform_id, attrs).get(platform_id, {})
except socket.error:
log.exception('Error connecting to OMS')
response = {}
return_dict = {}
count = 0
for key, value_list in response.iteritems():
if value_list == 'INVALID_ATTRIBUTE_ID':
continue
if not isinstance(value_list, list):
raise PlatformException(msg="Error in getting values for attribute %s. %s" % (key, value_list))
if value_list and value_list[0][0] == "ERROR_DATA_REQUEST_TOO_FAR_IN_PAST":
raise PlatformException(msg="Time requested for %s too far in the past" % key)
return_dict[key] = value_list
count += len(value_list)
log.info('_fetch_attrs %s returning %d items', platform_id, count)
return return_dict
def execute(self, cmd, *args, **kwargs):
"""
Executes the given command.
@param cmd command
@return result of the execution
"""
if self.read_only_mode:
raise PlatformException("Command %s not executed: Platform in READ ONLY mode." % cmd)
return self._fsm.on_event(cmd, *args, **kwargs)
def get_attribute_values_from_oms(self, attrs):
"""
Fetch values from the OMS
:param attrs:
"""
if not isinstance(attrs, (list, tuple)):
msg = 'get_attribute_values: attrs argument must be a list [(attrName, from_time), ...]. Given: %s' % attrs
raise PlatformException(msg)
response = None
try:
response = self._rsn_oms.attr.get_platform_attribute_values(
self._platform_id, attrs)
response = self._verify_platform_id_in_response(response)
return_dict = {}
for key in response:
value_list = response[key]
if value_list == 'INVALID_ATTRIBUTE_ID':
continue
if not isinstance(value_list, list):
raise PlatformException(
msg="Error in getting values for attribute %s. %s" %
(key, value_list))
if value_list and value_list[0][
0] == "ERROR_DATA_REQUEST_TOO_FAR_IN_PAST":
raise PlatformException(
msg="Time requested for %s too far in the past" % key)
return_dict[key] = value_list
return return_dict
except (Fault, ProtocolError, SocketError) as e:
msg = "get_attribute_values_from_oms Cannot get_platform_attribute_values: %s" % e
raise PlatformConnectionException(msg)
except AttributeError:
msg = "Error returned in requesting attributes: %s" % response
raise PlatformException(msg)
def get_attribute_values_from_oms(self, attrs):
"""
"""
def _verify_returned_dict(attr_dict):
try:
for key in attr_dict.iterkeys():
value_list = attr_dict[key]
if value_list == 'INVALID_ATTRIBUTE_ID':
continue
if not isinstance(value_list, list):
raise PlatformException(
msg="Error in getting values for attribute %s. %s"
% (key, value_list))
if value_list and value_list[0][
0] == "ERROR_DATA_REQUEST_TOO_FAR_IN_PAST":
raise PlatformException(
msg="Time requested for %s too far in the past" %
key)
except AttributeError:
raise PlatformException(
msg="Error returned in requesting attributes: %s" %
attr_dict)
if not isinstance(attrs, (list, tuple)):
raise PlatformException(
'get_attribute_values: attrs argument must be a '
'list [(attrName, from_time), ...]. Given: %s', attrs)
self._verify_rsn_oms('get_attribute_values_from_oms')
log.debug("get_attribute_values: attrs=%s", self._platform_id)
log.debug("get_attribute_values: attrs=%s", attrs)
try:
response = self._rsn_oms.attr.get_platform_attribute_values(
self._platform_id, attrs)
except Exception as e:
raise PlatformConnectionException(
msg=
"get_attribute_values_from_oms Cannot get_platform_attribute_values: %s"
% str(e))
dic_plat = self._verify_platform_id_in_response(response)
_verify_returned_dict(dic_plat)
# reported timestamps are already in NTP. Just return the dict:
return dic_plat
def get_metadata(self):
"""
"""
try:
retval = self._rsn_oms.config.get_platform_metadata(self._platform_id)
except Exception as e:
raise PlatformConnectionException(msg="Cannot get_platform_metadata: %s" % str(e))
log.debug("get_platform_metadata = %s", retval)
if not self._platform_id in retval:
raise PlatformException("Unexpected: response does not include "
"requested platform '%s'" % self._platform_id)
md = retval[self._platform_id]
return md
def _verify_response(rsp):
if not rsp.startswith('OK'):
raise PlatformException(msg="Error in stopping profiler: %s" %
rsp)
