Update Ceph agent to the latest version
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#!/bin/bash
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#!/usr/bin/env python3
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# -*- encoding: utf-8; py-indent-offset: 4 -*-
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# Ceph check for Check_MK
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# (c) 2021 Heinlein Support GmbH
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# Installed by PVC ansible
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# Robert Sander <r.sander@heinlein-support.de>
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CMK_VERSION="2.1.0"
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# This is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by
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# the Free Software Foundation in version 2. This file is distributed
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# in the hope that it will be useful, but WITHOUT ANY WARRANTY; with-
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# out even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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# PARTICULAR PURPOSE. See the GNU General Public License for more de-
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# ails. You should have received a copy of the GNU General Public
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# License along with GNU Make; see the file COPYING. If not, write
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# to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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# Boston, MA 02110-1301 USA.
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USER=client.admin
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import json
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KEYRING=/etc/ceph/ceph.client.admin.keyring
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import rados
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import os, os.path
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import subprocess
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import socket
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if [ -n "$USER" ] && [ -n "$KEYRING" ]; then
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class RadosCMD(rados.Rados):
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CEPH_CMD="ceph -n $USER --keyring=$KEYRING"
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def command_mon(self, cmd, params=None):
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echo "<<<ceph_status>>>"
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data = {'prefix': cmd, 'format': 'json'}
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$CEPH_CMD -s -f json-pretty
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if params:
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if OUT="$($CEPH_CMD df detail --format json)"; then
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data.update(params)
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echo "<<<ceph_df_json:sep(0)>>>"
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return self.mon_command(json.dumps(data), b'', timeout=5)
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$CEPH_CMD version --format json
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def command_mgr(self, cmd):
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echo "$OUT"
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return self.mgr_command(json.dumps({'prefix': cmd, 'format': 'json'}), b'', timeout=5)
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else
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def command_osd(self, osdid, cmd):
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# fallback for old versions if json output is not available
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return self.osd_command(osdid, json.dumps({'prefix': cmd, 'format': 'json'}), b'', timeout=5)
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echo "<<<ceph_df>>>"
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def command_pg(self, pgid, cmd):
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$CEPH_CMD df detail
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return self.pg_command(pgid, json.dumps({'prefix': cmd, 'format': 'json'}), b'', timeout=5)
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fi
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fi
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ceph_config='/etc/ceph/ceph.conf'
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ceph_client='client.admin'
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try:
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with open(os.path.join(os.environ['MK_CONFDIR'], 'ceph.cfg'), 'r') as config:
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for line in config.readlines():
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if '=' in line:
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key, value = line.strip().split('=')
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if key == 'CONFIG':
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ceph_config = value
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if key == 'CLIENT':
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ceph_client = value
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except FileNotFoundError:
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pass
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cluster = RadosCMD(conffile=ceph_config, name=ceph_client)
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cluster.connect()
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hostname = socket.gethostname().split('.', 1)[0]
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fqdn = socket.getfqdn()
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res = cluster.command_mon("status")
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if res[0] == 0:
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status = json.loads(res[1])
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mons = status.get('quorum_names', [])
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fsid = status.get("fsid", "")
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if hostname in mons or fqdn in mons:
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# only on MON hosts
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print("<<<cephstatus:sep(0)>>>")
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print(json.dumps(status))
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res = cluster.command_mon("df", params={'detail': 'detail'})
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if res[0] == 0:
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print("<<<cephdf:sep(0)>>>")
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print(json.dumps(json.loads(res[1])))
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localosds = []
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res = cluster.command_mon("osd metadata")
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if res[0] == 0:
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print("<<<cephosdbluefs:sep(0)>>>")
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out = {'end': {}}
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for osd in json.loads(res[1]):
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if osd.get('hostname') in [hostname, fqdn]:
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localosds.append(osd['id'])
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if "container_hostname" in osd:
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adminsocket = "/run/ceph/%s/ceph-osd.%d.asok" % (fsid, osd['id'])
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else:
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adminsocket = "/run/ceph/ceph-osd.%d.asok" % osd['id']
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if os.path.exists(adminsocket):
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chunks = []
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try:
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sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
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sock.connect(adminsocket)
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sock.sendall(b'{"prefix": "perf dump"}\n')
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sock.shutdown(socket.SHUT_WR)
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while len(chunks) == 0 or chunks[-1] != b'':
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chunks.append(sock.recv(4096))
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sock.close()
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chunks[0] = chunks[0][4:]
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except:
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chunks = [b'{"bluefs": {}}']
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out[osd['id']] = {'bluefs': json.loads(b"".join(chunks))['bluefs']}
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print(json.dumps(out))
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osddf_raw = cluster.command_mon("osd df")
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osdperf_raw = cluster.command_mon("osd perf")
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if osddf_raw[0] == 0 and osdperf_raw[0] == 0:
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osddf = json.loads(osddf_raw[1])
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osdperf = json.loads(osdperf_raw[1])
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osds = []
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for osd in osddf['nodes']:
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if osd['id'] in localosds:
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osds.append(osd)
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summary = osddf['summary']
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perfs = []
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if 'osd_perf_infos' in osdperf:
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for osd in osdperf['osd_perf_infos']:
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if osd['id'] in localosds:
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perfs.append(osd)
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if 'osdstats' in osdperf and 'osd_perf_infos' in osdperf['osdstats']:
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for osd in osdperf['osdstats']['osd_perf_infos']:
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if osd['id'] in localosds:
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perfs.append(osd)
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print("<<<cephosd:sep(0)>>>")
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out = {'df': {'nodes': osds},
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'perf': {'osd_perf_infos': perfs}}
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print(json.dumps(out))
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