cisco_nexus_fan

#!/usr/bin/python

# OIDs used:
# ENTITY-MIB::entPhysicalName                            .1.3.6.1.2.1.47.1.1.1.1.7
# CISCO-ENTITY-FRU-CONTROL-MIB::cefcFanTrayOperStatus    .1.3.6.1.4.1.9.9.117.1.4.1.1.1
# SNMPv2-MIB::sysDescr                                   .1.3.6.1.2.1.1.1.0

# Scan function looks for 'Cisco NX-OS' in sysDescr

# Author: Mike Julian - mike@mikejulian.com - http://mikejulian.com

def parse_cisco_nexus_fan(info):
    description_info, state_info = info

    # Create dict of descriptions
    descriptions = dict(description_info)

    # Create list only of fans
    fan = []
    for id, fanstate in state_info:
        fan.append( ( id, descriptions.get(id), fanstate ) )
    return fan

def inventory_cisco_nexus_fan(info):
    fans = parse_cisco_nexus_fan(info)
    return [ (entry[1], None) for entry in fans ]


def check_cisco_nexus_fan(item, _no_params, info):
    fans = parse_cisco_nexus_fan(info)
    for id, name, state in fans:
        state = int(state)
        if item == name:
            if state == 1:
                return (2, "CRIT - Fan status Unknown")
            elif state == 2:
                return (0, "OK - Fan OK")
            elif state == 3:
                return (2, "CRIT - Fan not operational")
            elif state == 4:
                return (1, "WARN - Fan partial failure, replace ASAP")
    return (3, "Check problem - UNKNOWN")

check_info["cisco_nexus_fan"] = {
    "check_function"        : check_cisco_nexus_fan,
    "inventory_function"    : inventory_cisco_nexus_fan,
    "service_description"   : "%s",
    "has_perfdata"          : False,
    "snmp_scan_function"    : lambda oid: "Cisco NX-OS" in oid(".1.3.6.1.2.1.1.1.0"),
    "snmp_info"             : [( ".1.3.6.1.2.1.47.1.1.1.1", [OID_END, 7]), (".1.3.6.1.4.1.9.9.117.1.4.1.1", [OID_END, 1])],
}