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2 changed files with 63 additions and 48 deletions
3
.pylintrc
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3
.pylintrc
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@ -0,0 +1,3 @@
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[MESSAGES CONTROL]
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disable=consider-using-f-string,
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invalid-name
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@ -1,45 +1,46 @@
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#!/usr/bin/env python3
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#
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# Nagios plugin to check Ceph cluster state
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#
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# This plugin check ceph health, number of OSDs UP, number of MONs UP
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# and PGs states to determine Ceph cluster status.
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#
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# Usage: check_ceph_status [options]
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#
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# Options:
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# -h, --help show this help message and exit
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# -d, --debug
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# -b BIN, --bin=BIN Ceph binary (default : /usr/bin/ceph)
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# --conf=CONF Ceph configuration file
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# -m MON, --mon=MON Ceph monitor address[:port]
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# -i ID, --id=ID Ceph client id
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# -k KEYRING, --keyring=KEYRING
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# Ceph client keyring file
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# -w WARNLOSTOSD, --warning-lost-osd=WARNLOSTOSD
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# Warning number of non-up OSDs (default : 1)
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# -c CRITLOSTOSD, --critical-lost-osd=CRITLOSTOSD
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# Critical number of non-up OSDs (default : 2)
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# -W WARNLOSTMON, --warning-lost-mon=WARNLOSTMON
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# Warning number of non-up MONs (default : 1)
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# -C CRITLOSTMON, --critical-lost-mon=CRITLOSTMON
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# Critical number of non-up MONs (default : 2)
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#
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# Copyright (c) 2013 Benjamin Renard <brenard@zionetrix.net>
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License version 2
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# as published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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#
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"""
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Nagios plugin to check Ceph cluster state
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This plugin check ceph health, number of OSDs UP, number of MONs UP
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and PGs states to determine Ceph cluster status.
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Usage: check_ceph_status [options]
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Options:
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-h, --help show this help message and exit
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-d, --debug
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-b BIN, --bin=BIN Ceph binary (default : /usr/bin/ceph)
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--conf=CONF Ceph configuration file
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-m MON, --mon=MON Ceph monitor address[:port]
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-i ID, --id=ID Ceph client id
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-k KEYRING, --keyring=KEYRING
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Ceph client keyring file
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-w WARNLOSTOSD, --warning-lost-osd=WARNLOSTOSD
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Warning number of non-up OSDs (default : 1)
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-c CRITLOSTOSD, --critical-lost-osd=CRITLOSTOSD
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Critical number of non-up OSDs (default : 2)
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-W WARNLOSTMON, --warning-lost-mon=WARNLOSTMON
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Warning number of non-up MONs (default : 1)
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-C CRITLOSTMON, --critical-lost-mon=CRITLOSTMON
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Critical number of non-up MONs (default : 2)
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Copyright (c) 2013 Benjamin Renard <brenard@zionetrix.net>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License version 2
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as published by the Free Software Foundation.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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"""
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import argparse
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import json
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import os
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@ -185,6 +186,7 @@ ceph_cmd.append('status')
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ceph_cmd.append('--format=json')
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# exec command
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# pylint: disable=consider-using-with
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p = subprocess.Popen(ceph_cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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output, err = p.communicate()
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@ -209,7 +211,8 @@ total_mon = data['monmap'].get('num_mons', len(data['monmap'].get('mons', [])))
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if not total_mon:
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print("UNKNOWN : fail to retreive total number of monitors")
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sys.exit(STATUS['UNKNOWN'])
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total_mon_up = len(data.get('quorum', data['health'].get('timechecks', {}).get('mons', [])))
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total_mon_up = len(data.get(
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'quorum', data['health'].get('timechecks', {}).get('mons', [])))
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if not total_mon_up:
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print("UNKNOWN : fail to retreive total number of UP monitors")
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sys.exit(STATUS['UNKNOWN'])
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@ -218,7 +221,8 @@ num_lost_mon = total_mon-total_mon_up
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if num_lost_mon == 0:
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monstate = "(MONs UP : %s/%s)" % (total_mon_up, total_mon)
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else:
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monstate = "%s MONs down (MONs UP : %s/%s)" % (num_lost_mon, total_mon_up, total_mon)
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monstate = "%s MONs down (MONs UP : %s/%s)" % (
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num_lost_mon, total_mon_up, total_mon)
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if num_lost_mon >= options.critlostmon:
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status = 'CRITICAL'
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elif num_lost_mon >= options.warnlostmon and status != 'CRITICAL':
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@ -243,15 +247,22 @@ elif num_lost_osd >= options.warnlostosd and status != 'CRITICAL':
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total_pg = data['pgmap']['num_pgs']
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pgstate = ""
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for st in data['pgmap']['pgs_by_state']:
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if re.search('(down|inconsistent|imcomplete|stale)', st['state_name'], re.IGNORECASE):
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if re.search(
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'(down|inconsistent|imcomplete|stale)', st['state_name'],
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re.IGNORECASE
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):
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status = 'CRITICAL'
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pgstate = "%s / %s PGs %s" % (pgstate, st['count'], st['state_name'])
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elif re.search('(replay|degraded|repair|recovering|backfill)', st['state_name'], re.IGNORECASE):
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elif re.search(
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'(replay|degraded|repair|recovering|backfill)', st['state_name'],
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re.IGNORECASE
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):
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if status != 'CRITICAL':
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status = "WARNING"
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pgstate = "%s / %s PGs %s" % (pgstate, st['count'], st['state_name'])
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elif st['state_name'] == "active+clean":
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pgstate = "%s / %s/%s PGs active+clean" % (pgstate, st['count'], total_pg)
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pgstate = "%s / %s/%s PGs active+clean" % (
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pgstate, st['count'], total_pg)
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msg = "%s : %s%s %s" % (status, health, pgstate, monstate)
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@ -259,5 +270,6 @@ msg = "%s : %s%s %s" % (status, health, pgstate, monstate)
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if num_lost_osd == 0:
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print("%s (OSDs UP : %s/%s)" % (msg, total_osd_up, total_osd))
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else:
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print("%s / %s OSDs down (OSDs UP : %s/%s)" % (msg, num_lost_osd, total_osd_up, total_osd))
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print("%s / %s OSDs down (OSDs UP : %s/%s)" % (
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msg, num_lost_osd, total_osd_up, total_osd))
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sys.exit(STATUS[status])
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