check-mk-server 1.2.6p12-1 / usr / share / check_mk / checks / md

This file is indexed.

/usr/share/check_mk/checks/md is in check-mk-server 1.2.6p12-1.

This file is owned by root:root, with mode 0o755.

The actual contents of the file can be viewed below. 

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
#!/usr/bin/python
# -*- encoding: utf-8; py-indent-offset: 4 -*-
# +------------------------------------------------------------------+
# |             ____ _               _        __  __ _  __           |
# |            / ___| |__   ___  ___| | __   |  \/  | |/ /           |
# |           | |   | '_ \ / _ \/ __| |/ /   | |\/| | ' /            |
# |           | |___| | | |  __/ (__|   <    | |  | | . \            |
# |            \____|_| |_|\___|\___|_|\_\___|_|  |_|_|\_\           |
# |                                                                  |
# | Copyright Mathias Kettner 2014             mk@mathias-kettner.de |
# +------------------------------------------------------------------+
#
# This file is part of Check_MK.
# The official homepage is at http://mathias-kettner.de/check_mk.
#
# check_mk is free software;  you can redistribute it and/or modify it
# under the  terms of the  GNU General Public License  as published by
# the Free Software Foundation in version 2.  check_mk is  distributed
# in the hope that it will be useful, but WITHOUT ANY WARRANTY;  with-
# out even the implied warranty of  MERCHANTABILITY  or  FITNESS FOR A
# PARTICULAR PURPOSE. See the  GNU General Public License for more de-
# ails.  You should have  received  a copy of the  GNU  General Public
# License along with GNU Make; see the file  COPYING.  If  not,  write
# to the Free Software Foundation, Inc., 51 Franklin St,  Fifth Floor,
# Boston, MA 02110-1301 USA.


# Example for output from agent (contents of /proc/mdstat):
# ---------------------------------------------------------
#    Personalities : [raid1]
#    md1 : active raid1 dm-19[0] dm-9[1]
#          20971456 blocks [2/2] [UU]
#          20971456 blocks super 1.2 [2/2] [UU]
#
#    md2 : active (auto-read-only) raid1 sda6[0] sdb6[1]
#          4200952 blocks super 1.0 [2/2] [UU]
#          bitmap: 0/9 pages [0KB], 256KB chunk
#
#          unused devices: <none>
# ---------------------------------------------------------

# Another example (with RAID 5 and spare disk (md2) and a RAID-0
# device (md3)
# ---------------------------------------------------------
# Personalities : [raid1] [raid6] [raid5] [raid4]
# md2 : active raid5 sde1[3](S) sdd1[0] sdg1[2] sdf1[1]
#       976767872 blocks level 5, 64k chunk, algorithm 2 [3/3] [UUU]
#
# md0 : active raid1 sdb1[1] sda1[0]
#       104320 blocks [2/2] [UU]
#
# md1 : active raid1 sdb3[1] sda3[0]
#       486239232 blocks [2/2] [UU]
#
# md4 : active (auto-read-only) raid1 sda6[0] sdb6[1]
#       4200952 blocks super 1.0 [2/2] [UU]
#         resync=PENDING
#       bitmap: 9/9 pages [36KB], 256KB chunk
#
# md3 : active raid0 sdb3[0] sda3[1]
#       16386048 blocks 64k chunks
#
# unused devices: <none>
# ---------------------------------------------------------

# Another example with RAID1 replacement gone wrong
# ---------------------------------------------------------
# Personalities : [raid1]
# md0 : active raid1 sdc3[3] sda3[2](F) sdb3[1]
#       48837528 blocks super 1.0 [2/2] [UU]
#
# md1 : active raid1 sdc4[3] sda4[2](F) sdb4[1]
#       193277940 blocks super 1.0 [2/2] [UU]
#
# unused devices: <none>
# ----------------------------------------------------------

# Another example with RAID5 being recovered
# ---------------------------------------------------------
# Personalities : [raid1] [raid6] [raid5] [raid4]
# md1 : active raid1 sdd1[1] sdc1[0]
#       10484668 blocks super 1.1 [2/2] [UU]
#       bitmap: 1/1 pages [4KB], 65536KB chunk
#
# md127 : active raid5 sda3[0] sdb3[1] sdd3[4] sdc3[2]
#       11686055424 blocks super 1.2 level 5, 512k chunk, algorithm 2 [4/3] [UUU_]
#       [======>..............]  recovery = 31.8% (1241578496/3895351808) finish=746.8min speed=59224K/sec
#
# md0 : active raid1 sdb1[1] sda1[0]
#       10485688 blocks super 1.0 [2/2] [UU]
#       bitmap: 0/1 pages [0KB], 65536KB chunk
#
# unused devices: <none>
# ----------------------------------------------------------

# And now for something completely different:
# ---------------------------------------------------------
# Personalities : [raid1] [raid10]
# md1 : active raid10 sdd6[3] sdb6[1] sda6[0]
#       1463055360 blocks 64K chunks 2 near-copies [4/3] [UU_U]
#
# md0 : active raid1 sdd1[3] sdb1[1] sda1[0]
#       104320 blocks [4/3] [UU_U]
#
# unused devices: <none>
# ---------------------------------------------------------

# TODO: Write a parse function!

def inventory_md(info):
    inventory = []
    for line in info:
        if len(line) < 3:
            continue
        if line[0].startswith("md") and line[1] == ':':
            device = line[0]
            raid_state = line[2]
        elif line[1] == 'blocks':
            if line[-1] != "chunks": # ignore RAID 0 devices
                disk_state = line[-1][1:-1]
                inventory.append( (device, None) )
    return inventory


def check_md(item, _no_params, info):
    raid_state = ''
    its_next = False
    state_next = False
    for line in info:
        if line[0] == item and line[1] == ':':
            raid_state = line[2]
            if raid_state != 'active' and raid_state != 'active(auto-read-only)':
                return (2, "raid state is '%s' (should be 'active')" % (raid_state,))
            # Usually (auto-read-only) sticks to active without a space.
            # But on some kernels it appears separated by a space
            if line[3] == '(auto-read-only)':
                del line[3]
            all_disks = len([x for x in line[4:]]) # all disks
            spare_disks = len([x for x in line[4:] if x.endswith("(S)") ]) # spare disks
            failed_disks = len([x for x in line[4:] if x.endswith("(F)") ]) # failed disks
            active_disks = all_disks - spare_disks - failed_disks
            its_next = True
        elif its_next:
            disk_state_1 = line[-2]
            (num_disks, expected_disks) = map(int,disk_state_1[1:-1].split('/'))
            disk_state_2 = line[-1]
            working_disks = disk_state_2.count('U')
            state_next = True
            its_next = False
        elif state_next:
            if num_disks == expected_disks and active_disks == working_disks:
                return (0, 'raid active, disk state is %s %s' % (disk_state_1, disk_state_2))
            if len(line) > 6 and line[-6] != '' and "speed=" in line[-1]:
                build_state_1 = line[-6]
                build_state_2 = line[-4]
                build_est = line[-2].partition('=')[2]
                build_speed = float(line[-1].partition('=')[2][:-5]) / 1024
                return (1, 'disk state is %s %s (expected %d disks to be up) - %s %s @ %.1fMB/s (%s)' %
                           (disk_state_1, disk_state_2, expected_disks, build_state_1, build_state_2, build_speed, build_est))
            return (2, 'disk state is %s %s (expected %d disks to be up)' %
                            (disk_state_1, disk_state_2, expected_disks))
    return (2, 'no RAID device %s' % item)



check_info["md"] = {
    'check_function':          check_md,
    'inventory_function':      inventory_md,
    'service_description':     'MD Softraid %s',
    'group':                   'raid',
}

APT Browse - Built by Thomas Orozco.