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plugin_enrichment_juniper_device_metrics.py
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plugin_enrichment_juniper_device_metrics.py
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"""
Copyright 2018, Oath Inc.
Licensed under the terms of the Apache 2.0 license. See LICENSE file in project root for terms.
"""
from builtins import zip
import collections
import re
from cached_property import threaded_cached_property
from yahoo_panoptes.enrichment.schema.generic import snmp
from yahoo_panoptes.framework import const, enrichment
from yahoo_panoptes.plugins.enrichment.generic.snmp import plugin_enrichment_generic_snmp
from yahoo_panoptes.framework.utilities.snmp.mibs.juniper import MibJuniper
# n.b. For QFX1000X devices, will report % fan_trays_ok, which is <= to fans_ok
FAN_TYPES = [r'Fan Tray \d+ Fan \d+', r'Fan Tray \d+', r'FAN \d+', r'node\d SRX\d+ \w+ fan \d', r'node\d Fan \d',
r'node\d \w+ Tray Fan \d+', r'(Top|Bottom)\s(Rear|Middle|Front)\sFan']
POWER_MODULE_TYPES = [r'PDM \d{1,2}$', 'PEM', r'PSM \d{1,2}$', r'Power Supply \d$', r'Power Supply: Power Supply \d+ @',
r'node\d PEM \d']
TYPE_MAP = dict(list(zip(POWER_MODULE_TYPES, [u'PDM', u'PEM', u'PSM', u'PEM', u'PEM', u'PEM'])))
class JuniperDeviceMetricsEnrichment(snmp.PanoptesGenericSNMPMetricsEnrichmentGroup):
pass
class JuniperPluginEnrichmentDeviceMetrics(plugin_enrichment_generic_snmp.PanoptesEnrichmentGenericSNMPPlugin):
def __init__(self):
self._juniper_model = None
super(JuniperPluginEnrichmentDeviceMetrics, self).__init__()
def _get_cpu_interval(self):
"""
Checks the self._execute_frequency to figure out the oid to use for cpu_utilization
Returns:
string: the oid to use.
"""
self._polling_execute_frequency = int(self._plugin_conf['main']['polling_frequency'])
if 5 <= self._polling_execute_frequency < 300:
# TODO Need to divide by number of cores?
# https://kb.juniper.net/InfoCenter/index?page=content&id=KB31764&cat=MX960_1&actp=LIST
return str(MibJuniper.jnxOperating1MinAvgCPU)
elif 300 <= self._polling_execute_frequency < 900:
return str(MibJuniper.jnxOperating5MinAvgCPU)
elif 900 <= self._polling_execute_frequency:
return str(MibJuniper.jnxOperating15MinAvgCPU)
else:
return str(MibJuniper.jnxOperating1MinAvgCPU)
@threaded_cached_property
def _entity_names(self):
entities = {}
varbinds = self._snmp_connection.bulk_walk(MibJuniper.jnxOperatingDescr.oid)
for varbind in varbinds:
value = varbind.value
if isinstance(value, bytes):
value = value.decode(u'ascii', u'ignore') # pragma: no cover
entities[varbind.index] = value
return entities
@threaded_cached_property
def _temp_sensors(self):
"""
Returns:
dict: temperature stats for the system
"""
temps = {}
varbinds = self._snmp_connection.bulk_walk(str(MibJuniper.jnxOperatingTemp))
for varbind in varbinds:
if 0 < int(varbind.value) < const.MELTING_POINT_STEEL:
temp_id = varbind.index
temps[temp_id] = {u'sensor_name': self._entity_names[temp_id]}
return temps
@threaded_cached_property
def _cpus(self):
"""
cpu will always be a Gauge32
Returns:
dict: cpus in the system
"""
cpus = {}
varbinds = self._snmp_connection.bulk_walk(self._get_cpu_interval())
for varbind in varbinds:
# grab the last element of the index to use as the cpu_id
cpu_id = varbind.index # TODO trim off prepending OID?
for type in ['routing engine', 'fpc', 'fpm', 'cp', 'pic', 'fbc']:
if type in self._entity_names[cpu_id].lower():
cpus[cpu_id] = {u'cpu_name': self._entity_names[cpu_id],
u'cpu_no': u'Module ' + str(cpu_id)}
break
return cpus
@threaded_cached_property
def _memory(self):
"""
Returns:
dict: memory stats for the system
"""
memory = {}
varbinds = self._snmp_connection.bulk_walk(str(MibJuniper.jnxOperatingMemory))
for varbind in varbinds:
memory_id = varbind.index
memory[memory_id] = {u'memory_total': int(varbind.value) * (2 ** 20)} # reported in megabytes
return memory
@threaded_cached_property
def _fans(self):
"""
Reports fan status for Junipers.
Returns:
dict: fan metrics
"""
fans = {}
for index, name in list(self._entity_names.items()):
for type in FAN_TYPES:
if re.match(type, name):
fans[index] = {u'name': name}
return fans
@threaded_cached_property
def _power_modules(self):
"""
Reports power entry module stats for Juniper devices.
Returns:
dict: power_supplies
"""
power_modules = {}
for index, name in list(self._entity_names.items()):
for type in POWER_MODULE_TYPES:
if re.match(type, name):
power_modules[index] = {u'name': name}
power_modules[index][u'type'] = TYPE_MAP[type]
return power_modules
def _add_power_module_types_mapping(self):
types_mapping = {x: x for x in list(self._oids_map[u"power_module_types"][u"values"].values())}
self._oids_map[u"power_module_types"][u"values"].update(types_mapping)
def _build_oids_map(self):
self._oids_map = {
u"cpu_name": {
u"method": u"static",
u"values": {x: self._cpus[x][u'cpu_name'] for x in self._cpus}
},
u"cpu_no": {
u"method": u"static",
u"values": {x: self._cpus[x][u'cpu_no'] for x in self._cpus}
},
u"cpu_util": {
u"method": u"bulk_walk",
u"oid": MibJuniper.jnxOperatingCPU.oid if 'EX4300' in self._juniper_model else
self._get_cpu_interval()
},
u"memory_used": {
u"method": u"bulk_walk",
u"oid": str(MibJuniper.jnxOperatingBuffer)
},
u"memory_total": {
u"method": u"static",
u"values": {x: self._memory[x][u'memory_total'] for x in self._memory if
self._memory[x][u'memory_total'] != 0}
},
u"oper_status": {
u"method": u"bulk_walk",
u"oid": str(MibJuniper.jnxOperatingState)
},
u"fans": {
u"method": u"static",
u"values": {x: self._fans[x][u'name'] for x in self._fans}
},
u"power_modules": {
u"method": u"static",
u"values": {x: self._power_modules[x][u'name'] for x in self._power_modules}
},
u"power_module_types": {
u"method": u"static",
u"values": {x: self._power_modules[x][u'type'] for x in self._power_modules}
},
u"power_units_total": {
u"method": u"static",
u"values": dict(collections.Counter([self._power_modules[x][u'type'] for x in self._power_modules]))
},
u"temp_sensor_values": {
u"method": u"bulk_walk",
u"oid": str(MibJuniper.jnxOperatingTemp)
},
u"temp_sensor_name": {
u"method": u"static",
u"values": {x: self._temp_sensors[x][u'sensor_name'] for x in self._temp_sensors}
}
}
self._add_power_module_types_mapping()
def _build_metrics_groups_conf(self):
self._metrics_groups = [
{
u"group_name": u"environment",
u"dimensions": {
u"sensor": u"temp_sensor_name.$index"
},
u"metrics": {
u"temperature_fahrenheit": {
u"metric_type": u"gauge",
u"type": u"float",
u"transform": u"lambda x: round((x * 1.8) + 32, 2) if x != 0 else 0.0",
u"value": u"temp_sensor_values.$index"
}
}
},
{
u"group_name": u"cpu",
u"dimensions": {
u"cpu_name": u"cpu_name.$index",
u"cpu_no": u"cpu_no.$index",
u"cpu_type": u"'data' if 'Routing Engine' in cpu_name.$index else 'ctrl'"
},
u"metrics": {
u"cpu_utilization": {
u"metric_type": u"gauge",
u"value": u"cpu_util.$index"
}
}
},
{
u"group_name": u"memory",
u"dimensions": {
u"memory_type": u"cpu_name.$index"
},
u"metrics": {
u"memory_used": {
u"metric_type": u"gauge",
u"indices_from": u"memory_total",
u"value": u"float(memory_used.$index) / 100.0 * memory_total.$index"
},
u"memory_total": {
u"metric_type": u"gauge",
u"value": u"memory_total.$index"
}
}
}
]
if len(self._power_modules) > 0:
self._metrics_groups.append(
{
u"group_name": u"environment",
u"dimensions": {
u"power_module_type": u"power_module_types.$index"
},
u"metrics": {
u"power_units_on": {
u"metric_type": u"gauge",
u"indices_from": u"power_units_total",
u"value": u"len([(x,y) for (x,y) in oper_status.items() if x in "
u"power_module_types and y not in "
u"['6'] and power_module_types[x] == $index])"
},
u"power_units_total": {
u"metric_type": u"gauge",
u"value": u"power_units_total.$index"
}
}
}
)
if len(self._fans) > 0:
self._metrics_groups.append(
{
u"group_name": u"environment",
u"dimensions": {},
u"metrics": {
u"fans_ok": {
u"metric_type": u"gauge",
u"value": u"len([(x,y) for (x,y) in oper_status.items() if x in fans and y not in ['6']])"
},
u"fans_total": len(self._fans)
}
}
)
@property
def metrics_enrichment_class(self):
return JuniperDeviceMetricsEnrichment
def get_enrichment(self):
self._juniper_model = self._plugin_context.data.resource_metadata.get(u'model', u'unknown')
self._build_oids_map()
self._build_metrics_groups_conf()
enrichment_set = {
u"oids": self.oids_map,
u"metrics_groups": self.metrics_groups
}
try:
self.enrichment_group.add_enrichment_set(enrichment.PanoptesEnrichmentSet(self.device_fqdn, enrichment_set))
except Exception as e:
self._logger.error(u'Error while adding enrichment set {} to enrichment group for the device {}: {}'.
format(enrichment_set, self.device_fqdn, repr(e)))
self.enrichment_group_set.add_enrichment_group(self.enrichment_group)
self._logger.debug(u'Metrics enrichment for device {}: {}'.format(self.device_fqdn, self.enrichment_group_set))
return self.enrichment_group_set