167 lines
6.0 KiB
Python
167 lines
6.0 KiB
Python
#!/usr/bin/env python
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"""
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Based on storcli.py example from node_exporter, with substantial changes.
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https://github.com/prometheus/node_exporter/blob/master/text_collector_examples/storcli.py
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megaraid_controllers{controller,model}=1
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megaraid_controller_memory_errors{controller,correctable=y|n}=counter
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megaraid_controller_bbu{controller}=0|1
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megaraid_roc_temp_celcius{controller}=gauge
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megaraid_virtual_drives{controller,vd,type,state=optimal|partially|degraded|offline}=1
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megaraid_vd_size_bytes{controller,vd}=gauge
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megaraid_physical_drives{controller,enclosure,slot,vd,state=online|offline|ugood|ubad|ghs|dhs}=1
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megaraid_pd_size_bytes{controller,enclosure,slot}=gauge
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"""
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from __future__ import print_function
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import argparse
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import json
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import os
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import subprocess
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import re
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from decimal import Decimal
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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 = '0.0.1'
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def parse_size(size):
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n, u = re.match(r'(\d+\.\d+) ([A-Z])B$', size).groups()
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n = Decimal(n)
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for k in 'KMGTPE':
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n *= 1024
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if u == k:
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break
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else:
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raise RuntimeError('unsupported size unit')
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return int(n)
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def main(args):
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""" main """
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controllers = []
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vds = []
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pds = []
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data = json.loads(get_storcli_json(args.storcli_path))
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for ctrl in data['Controllers']:
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dg_vd_map = {'-': None}
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resp = ctrl.get('Response Data')
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if not resp:
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continue
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ctrl_id = int(resp['Basics']['Controller'])
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controllers.append({
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'controller': ctrl_id,
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'model': resp['Basics']['Model'],
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'errors_correctable': int(resp['Status']['Memory Correctable Errors']),
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'errors_uncorrectable': int(resp['Status']['Memory Uncorrectable Errors']),
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'bbu': int(resp['HwCfg']['BBU'] != 'Absent'),
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'roc_temp': int(resp['HwCfg']['ROC temperature(Degree Celsius)']),
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})
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for vd in resp['VD LIST']:
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dg, vd_id = map(int, vd['DG/VD'].split('/'))
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dg_vd_map[vd_id] = dg
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vds.append({
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'controller': ctrl_id,
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'vd': vd_id,
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'type': vd['TYPE'],
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'state': vd['State'],
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'size': parse_size(vd['Size']),
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})
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for pd in resp['PD LIST']:
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enc, slot = map(int, pd['EID:Slt'].split(':'))
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pds.append({
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'controller': ctrl_id,
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'enclosure': enc,
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'slot': slot,
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'vd': dg_vd_map.get(pd['DG']),
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'state': pd['State'],
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'size': parse_size(pd['Size']),
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})
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print('# HELP megaraid_controllers MegaRAID controllers')
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print('# TYPE megaraid_controllers gague')
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for ctrl in controllers:
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print('megaraid_controllers{{controller="{controller}",model="{model}"}} 1'.format(**ctrl))
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print('# HELP megaraid_controller_memory_errors MegaRAID controller memory errors')
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print('# TYPE megaraid_controller_memory_errors counter')
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for ctrl in controllers:
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print('megaraid_controller_memory_errors{{controller="{controller}",correctable="y"}} '
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'{errors_correctable}'.format(**ctrl))
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print('megaraid_controller_memory_errors{{controller="{controller}",correctable="n"}} '
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'{errors_uncorrectable}'.format(**ctrl))
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print('# HELP megaraid_controller_bbu MegaRAID controller BBU presence')
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print('# TYPE megaraid_controller_bbu gague')
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for ctrl in controllers:
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print('megaraid_controller_bbu{{controller="{controller}"}} {bbu}'.format(**ctrl))
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print('# HELP megaraid_roc_temp_celcius MegaRAID controller ROC temperature')
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print('# TYPE megaraid_roc_temp_celcius gague')
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for ctrl in controllers:
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print('megaraid_roc_temp_celcius{{controller="{controller}"}} {roc_temp}'.format(**ctrl))
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print('# HELP megaraid_virtual_drives MegaRAID virtual drives')
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print('# TYPE megaraid_virtual_drives gague')
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for vd in vds:
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print('megaraid_virtual_drives{{controller="{controller}",vd="{vd}",'
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'type="{type}",state="{state}"}} 1'.format(**vd))
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print('# HELP megaraid_vd_size_bytes MegaRAID virtual drive size')
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print('# TYPE megaraid_vd_size_bytes gague')
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for vd in vds:
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print('megaraid_vd_size_bytes{{controller="{controller}",vd="{vd}"}} {size}'.format(**vd))
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print('# HELP megaraid_physical_drives MegaRAID physical drives')
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print('# TYPE megaraid_physical_drives gague')
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for pd in pds:
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print('megaraid_physical_drives{{controller="{controller}",enclosure="{enclosure}",'
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'slot="{slot}",vd="{vd}",state="{state}"}} 1'.format(**pd))
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print('# HELP megaraid_pd_size_bytes MegaRAID physical drive size')
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print('# TYPE megaraid_pd_size_bytes gague')
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for pd in pds:
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print('megaraid_pd_size_bytes{{controller="{controller}",enclosure="{enclosure}",'
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'slot="{slot}"}} {size}'.format(**pd))
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def get_storcli_json(storcli_path):
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"""Get storcli output in JSON format."""
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# Check if storcli is installed
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if os.path.isfile(storcli_path) and os.access(storcli_path, os.X_OK):
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storcli_cmd = [storcli_path, '/call', 'show', 'J']
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proc = subprocess.Popen(storcli_cmd, shell=False,
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stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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output_json = proc.communicate()[0]
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else:
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output_json = (
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'{"Controllers":[{"Command Status": {"Status": "Failure", '
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'"Description": "No Controller found"}}]}'
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)
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return output_json
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if __name__ == "__main__":
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PARSER = argparse.ArgumentParser(description=DESCRIPTION,
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formatter_class=argparse.ArgumentDefaultsHelpFormatter)
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PARSER.add_argument('--storcli_path',
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default='/usr/sbin/storcli',
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help='path to StorCLi binary')
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PARSER.add_argument('--version',
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action='version',
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version='%(prog)s {}'.format(VERSION))
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ARGS = PARSER.parse_args()
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main(ARGS)
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