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Add support for Synology RAID MIB (OID: .1.3.6.1.4.1.6574.3) #27

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Add support for Synology RAID MIB (OID: .1.3.6.1.4.1.6574.3) #27

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a8438c5
add mode "raid". check raid status
Tonkenfo Mar 12, 2022
a577129
functional raid status check
Tonkenfo Mar 12, 2022
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52 changes: 51 additions & 1 deletion check_synology.py
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Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,8 @@
parser.add_argument("username", help="the snmp user name", type=str)
parser.add_argument("authkey", help="the auth key", type=str)
parser.add_argument("privkey", help="the priv key", type=str)
parser.add_argument("mode", help="the mode", type=str, choices=["load", "memory", "disk", "storage", "update", "status"])
parser.add_argument("mode", help="the mode", type=str, choices=[
"load", "memory", "disk", "storage", "update", "status", "raid"])
parser.add_argument("-w", help="warning value for selected mode", type=int)
parser.add_argument("-c", help="critical value for selected mode", type=int)
parser.add_argument("-p", help="the snmp port", type=int, dest="port", default=161)
Expand Down Expand Up @@ -115,6 +116,55 @@ def exitCode():
print(state + ' - {:0.1f}% '.format(memory_percent) + 'usable ({0:0.1f} MB free and {1:0.1f} MB cached out of {2:0.1f} MB)'.format((memory_unused / 1024), (memory_cached / 1024), (memory_total / 1024)), '|memory_total=%dc' % memory_total, 'memory_unused=%dc' % memory_unused, 'memory_cached=%dc' % memory_cached, 'memory_usable=%dc' % memory_usable, 'memory_percent=%d' % memory_percent + '%')
exitCode()

if mode == 'raid':
output = ''
for item in snmpwalk('1.3.6.1.4.1.6574.3.1.1.2'):
i = item.oid.split('.')[-1]
raid_name = item.value
raid_status_nr = snmpget('1.3.6.1.4.1.6574.3.1.1.3.' + str(i))
status_translation = {
'1': "Normal",
'2': "Repairing",
'3': "Migrating",
'4': "Expanding",
'5': "Deleting",
'6': "Creating",
'7': "RaidSyncing",
'8': "RaidParityChecking",
'9': "RaidAssembling",
'10': "Canceling",
'11': "Degrade",
'12': "Crashed",
'13': "DataScrubbing",
'14': "RaidDeploying",
'15': "RaidUnDeploying",
'16': "RaidMountCache",
'17': "RaidUnmountCache",
'18': "RaidExpandingUnfinishedSHR",
'19': "RaidConvertSHRToPool",
'20': "RaidMigrateSHR1ToSHR2",
'21': "RaidUnknownStatus"
}
raid_status = status_translation.get(raid_status_nr)
raid_name = raid_name.replace(" ", "")

# All of those "non-Normal" RAID states should be signalled as WARNING.
warning_states = [2, 3, 4, 5, 6, 7, 8, 9, 10, 13, 14, 15, 16, 17, 18, 19, 20]

# Both Degrade and Crashed should be signalled as CRITICAL.
critical_states = [11, 12]

if int(raid_status_nr) in warning_states:
state = 'WARNING'
if int(raid_status_nr) in critical_states:
state = 'CRITICAL'
if int(raid_status_nr) == 21:
state = 'UNKNOWN'

output += ' - ' + raid_name + ': Status: ' + raid_status
print('%s%s ' % (state, output))
exitCode()

if mode == 'disk':
"""
Synology Disk MIB (OID: .1.3.6.1.4.1.6574.2)
Expand Down