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234 lines
10 KiB
Python
Executable file
234 lines
10 KiB
Python
Executable file
#!/usr/bin/env python3
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"""
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Script to parse StorCLI's JSON output and expose
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MegaRAID health as Prometheus metrics.
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Tested against StorCLI 'Ver 1.14.12 Nov 25, 2014'.
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StorCLI reference manual:
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http://docs.avagotech.com/docs/12352476
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Advanced Software Options (ASO) not exposed as metrics currently.
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JSON key abbreviations used by StorCLI are documented in the standard command
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output, i.e. when you omit the trailing 'J' from the command.
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Formatting done with YAPF:
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$ yapf -i --style '{COLUMN_LIMIT: 99}' storcli.py
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"""
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from __future__ import print_function
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from datetime import datetime
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import argparse
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import collections
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import json
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import os
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import shlex
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import subprocess
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DESCRIPTION = """Parses StorCLI's JSON output and exposes MegaRAID health as
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Prometheus metrics."""
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VERSION = '0.0.3'
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storcli_path = ''
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metric_prefix = 'megaraid_'
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metric_list = {}
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metric_list = collections.defaultdict(list)
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def main(args):
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""" main """
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global storcli_path
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storcli_path = args.storcli_path
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data = get_storcli_json('/cALL show all J')
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try:
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# All the information is collected underneath the Controllers key
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data = data['Controllers']
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for controller in data:
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response = controller['Response Data']
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if response['Version']['Driver Name'] == 'megaraid_sas':
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handle_megaraid_controller(response)
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elif response['Version']['Driver Name'] == 'mpt3sas':
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handle_sas_controller(response)
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except KeyError:
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pass
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print_all_metrics(metric_list)
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def handle_sas_controller(response):
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(controller_index, baselabel) = get_basic_controller_info(response)
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add_metric('healthy', baselabel, int(response['Status']['Controller Status'] == 'OK'))
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add_metric('ports', baselabel, response['HwCfg']['Backend Port Count'])
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try:
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# The number of physical disks is half of the number of items in this dict
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# Every disk is listed twice - once for basic info, again for detailed info
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add_metric('physical_drives', baselabel,
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len(response['Physical Device Information'].keys()) / 2)
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except AttributeError:
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pass
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# Split up string to not trigger CodeSpell issues
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add_metric('temperature', baselabel,
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int(response['HwCfg']['ROC temperature(Degree Celc' + 'ius)']))
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for key, basic_disk_info in response['Physical Device Information'].items():
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if 'Detailed Information' in key:
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continue
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create_metrcis_of_physical_drive(basic_disk_info[0],
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response['Physical Device Information'], controller_index)
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def handle_megaraid_controller(response):
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(controller_index, baselabel) = get_basic_controller_info(response)
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# BBU Status Optimal value is 0 for cachevault and 32 for BBU
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add_metric('battery_backup_healthy', baselabel,
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int(response['Status']['BBU Status'] in [0, 32]))
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add_metric('degraded', baselabel, int(response['Status']['Controller Status'] == 'Degraded'))
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add_metric('failed', baselabel, int(response['Status']['Controller Status'] == 'Failed'))
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add_metric('healthy', baselabel, int(response['Status']['Controller Status'] == 'Optimal'))
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add_metric('drive_groups', baselabel, response['Drive Groups'])
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add_metric('virtual_drives', baselabel, response['Virtual Drives'])
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add_metric('physical_drives', baselabel, response['Physical Drives'])
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add_metric('ports', baselabel, response['HwCfg']['Backend Port Count'])
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add_metric('scheduled_patrol_read', baselabel,
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int('hrs' in response['Scheduled Tasks']['Patrol Read Reoccurrence']))
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add_metric('temperature', baselabel, int(response['HwCfg']['ROC temperature(Degree Celsius)']))
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for cvidx, cvinfo in enumerate(response['Cachevault_Info']):
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add_metric('cv_temperature', baselabel + ',cvidx="' + str(cvidx) + '"', int(cvinfo['Temp'].replace('C','')))
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time_difference_seconds = -1
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system_time = datetime.strptime(response['Basics'].get('Current System Date/time'),
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"%m/%d/%Y, %H:%M:%S")
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controller_time = datetime.strptime(response['Basics'].get('Current Controller Date/Time'),
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"%m/%d/%Y, %H:%M:%S")
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if system_time and controller_time:
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time_difference_seconds = abs(system_time - controller_time).seconds
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add_metric('time_difference', baselabel, time_difference_seconds)
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for virtual_drive in response['VD LIST']:
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vd_position = virtual_drive.get('DG/VD')
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drive_group, volume_group = -1, -1
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if vd_position:
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drive_group = vd_position.split('/')[0]
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volume_group = vd_position.split('/')[1]
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vd_baselabel = 'controller="{}",DG="{}",VG="{}"'.format(controller_index, drive_group,
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volume_group)
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vd_info_label = vd_baselabel + ',name="{}",cache="{}",type="{}",state="{}"'.format(
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str(virtual_drive.get('Name')).strip(),
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str(virtual_drive.get('Cache')).strip(),
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str(virtual_drive.get('TYPE')).strip(),
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str(virtual_drive.get('State')).strip())
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add_metric('vd_info', vd_info_label, 1)
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if response['Physical Drives'] > 0:
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data = get_storcli_json('/cALL/eALL/sALL show all J')
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drive_info = data['Controllers'][controller_index]['Response Data']
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for physical_drive in response['PD LIST']:
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create_metrcis_of_physical_drive(physical_drive, drive_info, controller_index)
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def get_basic_controller_info(response):
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controller_index = response['Basics']['Controller']
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baselabel = 'controller="{}"'.format(controller_index)
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controller_info_label = baselabel + ',model="{}",serial="{}",fwversion="{}"'.format(
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str(response['Basics']['Model']).strip(),
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str(response['Basics']['Serial Number']).strip(),
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str(response['Version']['Firmware Version']).strip(),
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)
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add_metric('controller_info', controller_info_label, 1)
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return (controller_index, baselabel)
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def create_metrcis_of_physical_drive(physical_drive, detailed_info_array, controller_index):
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enclosure = physical_drive.get('EID:Slt').split(':')[0]
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slot = physical_drive.get('EID:Slt').split(':')[1]
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pd_baselabel = 'controller="{}",enclosure="{}",slot="{}"'.format(controller_index, enclosure,
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slot)
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pd_info_label = pd_baselabel + \
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',disk_id="{}",interface="{}",media="{}",model="{}",DG="{}",state="{}"'.format(
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str(physical_drive.get('DID')).strip(),
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str(physical_drive.get('Intf')).strip(),
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str(physical_drive.get('Med')).strip(),
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str(physical_drive.get('Model')).strip(),
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str(physical_drive.get('DG')).strip(),
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str(physical_drive.get('State')).strip())
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drive_identifier = 'Drive /c' + str(controller_index) + '/e' + str(enclosure) + '/s' + str(
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slot)
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if enclosure == ' ':
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drive_identifier = 'Drive /c' + str(controller_index) + '/s' + str(slot)
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try:
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info = detailed_info_array[drive_identifier + ' - Detailed Information']
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state = info[drive_identifier + ' State']
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attributes = info[drive_identifier + ' Device attributes']
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settings = info[drive_identifier + ' Policies/Settings']
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add_metric('pd_shield_counter', pd_baselabel, state['Shield Counter'])
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add_metric('pd_media_errors', pd_baselabel, state['Media Error Count'])
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add_metric('pd_other_errors', pd_baselabel, state['Other Error Count'])
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add_metric('pd_predictive_errors', pd_baselabel, state['Predictive Failure Count'])
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add_metric('pd_smart_alerted', pd_baselabel,
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int(state['S.M.A.R.T alert flagged by drive'] == 'Yes'))
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add_metric('pd_link_speed_gbps', pd_baselabel, attributes['Link Speed'].split('.')[0])
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add_metric('pd_device_speed_gbps', pd_baselabel, attributes['Device Speed'].split('.')[0])
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add_metric('pd_commissioned_spare', pd_baselabel,
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int(settings['Commissioned Spare'] == 'Yes'))
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add_metric('pd_emergency_spare', pd_baselabel, int(settings['Emergency Spare'] == 'Yes'))
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pd_info_label += ',firmware="{}"'.format(attributes['Firmware Revision'].strip())
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except KeyError:
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pass
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add_metric('pd_info', pd_info_label, 1)
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def add_metric(name, labels, value):
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global metric_list
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try:
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metric_list[name].append({
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'labels': labels,
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'value': float(value),
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})
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except ValueError:
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pass
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def print_all_metrics(metrics):
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for metric, measurements in metrics.items():
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print('# HELP {}{} MegaRAID {}'.format(metric_prefix, metric, metric.replace('_', ' ')))
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print('# TYPE {}{} gauge'.format(metric_prefix, metric))
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for measurement in measurements:
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if measurement['value'] != 'Unknown':
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print('{}{}{} {}'.format(metric_prefix, metric, '{' + measurement['labels'] + '}',
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measurement['value']))
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def get_storcli_json(storcli_args):
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"""Get storcli output in JSON format."""
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# Check if storcli is installed and executable
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if not (os.path.isfile(storcli_path) and os.access(storcli_path, os.X_OK)):
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SystemExit(1)
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storcli_cmd = shlex.split(storcli_path + ' ' + storcli_args)
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proc = subprocess.Popen(
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storcli_cmd, shell=False, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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output_json = proc.communicate()[0]
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data = json.loads(output_json.decode("utf-8"))
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if data["Controllers"][0]["Command Status"]["Status"] != "Success":
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SystemExit(1)
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return data
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if __name__ == "__main__":
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PARSER = argparse.ArgumentParser(
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description=DESCRIPTION, formatter_class=argparse.ArgumentDefaultsHelpFormatter)
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PARSER.add_argument(
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'--storcli_path', default='/opt/MegaRAID/storcli/storcli64', help='path to StorCLi binary')
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PARSER.add_argument('--version', action='version', version='%(prog)s {}'.format(VERSION))
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ARGS = PARSER.parse_args()
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main(ARGS)
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