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# -*- coding: utf-8 -*-
# Description: megacli netdata python.d module
# Author: Ilya Mashchenko (ilyam8)
# SPDX-License-Identifier: GPL-3.0-or-later
import re
from bases.FrameworkServices.ExecutableService import ExecutableService
from bases.collection import find_binary
disabled_by_default = True
update_every = 5
def adapter_charts(ads):
order = [
'adapter_degraded',
]
def dims(ad):
return [['adapter_{0}_degraded'.format(a.id), 'adapter {0}'.format(a.id)] for a in ad]
charts = {
'adapter_degraded': {
'options': [None, 'Adapter State', 'is degraded', 'adapter', 'megacli.adapter_degraded', 'line'],
'lines': dims(ads)
},
}
return order, charts
def pd_charts(pds):
order = [
'pd_media_error',
'pd_predictive_failure',
]
def dims(k, pd):
return [['slot_{0}_{1}'.format(p.id, k), 'slot {0}'.format(p.id), 'incremental'] for p in pd]
charts = {
'pd_media_error': {
'options': [None, 'Physical Drives Media Errors', 'errors/s', 'pd', 'megacli.pd_media_error', 'line'],
'lines': dims('media_error', pds)
},
'pd_predictive_failure': {
'options': [None, 'Physical Drives Predictive Failures', 'failures/s', 'pd',
'megacli.pd_predictive_failure', 'line'],
'lines': dims('predictive_failure', pds)
}
}
return order, charts
def battery_charts(bats):
order = list()
charts = dict()
for b in bats:
order.append('bbu_{0}_relative_charge'.format(b.id))
charts.update(
{
'bbu_{0}_relative_charge'.format(b.id): {
'options': [None, 'Relative State of Charge', 'percentage', 'battery',
'megacli.bbu_relative_charge', 'line'],
'lines': [
['bbu_{0}_relative_charge'.format(b.id), 'adapter {0}'.format(b.id)],
]
}
}
)
for b in bats:
order.append('bbu_{0}_cycle_count'.format(b.id))
charts.update(
{
'bbu_{0}_cycle_count'.format(b.id): {
'options': [None, 'Cycle Count', 'cycle count', 'battery', 'megacli.bbu_cycle_count', 'line'],
'lines': [
['bbu_{0}_cycle_count'.format(b.id), 'adapter {0}'.format(b.id)],
]
}
}
)
return order, charts
RE_ADAPTER = re.compile(
r'Adapter #([0-9]+) State(?:\s+)?: ([a-zA-Z]+)'
)
RE_VD = re.compile(
r'Slot Number: ([0-9]+) Media Error Count: ([0-9]+) Predictive Failure Count: ([0-9]+)'
)
RE_BATTERY = re.compile(
r'BBU Capacity Info for Adapter: ([0-9]+) Relative State of Charge: ([0-9]+) % Cycle Count: ([0-9]+)'
)
def find_adapters(d):
keys = ('Adapter #', 'State')
d = ' '.join(v.strip() for v in d if v.startswith(keys))
return [Adapter(*v) for v in RE_ADAPTER.findall(d)]
def find_pds(d):
keys = ('Slot Number', 'Media Error Count', 'Predictive Failure Count')
d = ' '.join(v.strip() for v in d if v.startswith(keys))
return [PD(*v) for v in RE_VD.findall(d)]
def find_batteries(d):
keys = ('BBU Capacity Info for Adapter', 'Relative State of Charge', 'Cycle Count')
d = ' '.join(v.strip() for v in d if v.strip().startswith(keys))
return [Battery(*v) for v in RE_BATTERY.findall(d)]
class Adapter:
def __init__(self, n, state):
self.id = n
self.state = int(state == 'Degraded')
def data(self):
return {
'adapter_{0}_degraded'.format(self.id): self.state,
}
class PD:
def __init__(self, n, media_err, predict_fail):
self.id = n
self.media_err = media_err
self.predict_fail = predict_fail
def data(self):
return {
'slot_{0}_media_error'.format(self.id): self.media_err,
'slot_{0}_predictive_failure'.format(self.id): self.predict_fail,
}
class Battery:
def __init__(self, adapt_id, rel_charge, cycle_count):
self.id = adapt_id
self.rel_charge = rel_charge
self.cycle_count = cycle_count
def data(self):
return {
'bbu_{0}_relative_charge'.format(self.id): self.rel_charge,
'bbu_{0}_cycle_count'.format(self.id): self.cycle_count,
}
# TODO: hardcoded sudo...
class Megacli:
def __init__(self):
self.s = find_binary('sudo')
self.m = find_binary('megacli') or find_binary('MegaCli') # Binary on FreeBSD is MegaCli
self.sudo_check = [self.s, '-n', '-l']
self.disk_info = [self.s, '-n', self.m, '-LDPDInfo', '-aAll', '-NoLog']
self.battery_info = [self.s, '-n', self.m, '-AdpBbuCmd', '-a0', '-NoLog']
def __bool__(self):
return bool(self.s and self.m)
def __nonzero__(self):
return self.__bool__()
class Service(ExecutableService):
def __init__(self, configuration=None, name=None):
ExecutableService.__init__(self, configuration=configuration, name=name)
self.order = list()
self.definitions = dict()
self.do_battery = self.configuration.get('do_battery')
self.megacli = Megacli()
def check_sudo(self):
err = self._get_raw_data(command=self.megacli.sudo_check, stderr=True)
if err:
self.error(''.join(err))
return False
return True
def check_disk_info(self):
d = self._get_raw_data(command=self.megacli.disk_info)
if not d:
return False
ads = find_adapters(d)
pds = find_pds(d)
if not (ads and pds):
self.error('failed to parse "{0}" output'.format(' '.join(self.megacli.disk_info)))
return False
o, c = adapter_charts(ads)
self.order.extend(o)
self.definitions.update(c)
o, c = pd_charts(pds)
self.order.extend(o)
self.definitions.update(c)
return True
def check_battery(self):
d = self._get_raw_data(command=self.megacli.battery_info)
if not d:
return False
bats = find_batteries(d)
if not bats:
self.error('failed to parse "{0}" output'.format(' '.join(self.megacli.battery_info)))
return False
o, c = battery_charts(bats)
self.order.extend(o)
self.definitions.update(c)
return True
def check(self):
if not self.megacli:
self.error('can\'t locate "sudo" or "megacli" binary')
return None
if not (self.check_sudo() and self.check_disk_info()):
return False
if self.do_battery:
self.do_battery = self.check_battery()
return True
def get_data(self):
data = dict()
data.update(self.get_adapter_pd_data())
if self.do_battery:
data.update(self.get_battery_data())
return data or None
def get_adapter_pd_data(self):
raw = self._get_raw_data(command=self.megacli.disk_info)
data = dict()
if not raw:
return data
for a in find_adapters(raw):
data.update(a.data())
for p in find_pds(raw):
data.update(p.data())
return data
def get_battery_data(self):
raw = self._get_raw_data(command=self.megacli.battery_info)
data = dict()
if not raw:
return data
for b in find_batteries(raw):
data.update(b.data())
return data
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