cisco_nexus_system

#!/usr/bin/python

# OIDs used:
# CISCO-SYSTEM-EXT-MIB::cseSysCPUUtilization       .1.3.6.1.4.1.9.9.305.1.1.1.0
# CISCO-SYSTEM-EXT-MIB::cseSysMemoryUtilization    .1.3.6.1.4.1.9.9.305.1.1.2.0
# 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

cisco_nexus_system_default_levels = (80.0, 90.0)

def inventory_cisco_nexus_system(info):
    return [ (None, cisco_nexus_system_default_levels) ]

def check_cisco_nexus_system(item, params, info):
    warn,crit = params
    cpuUtil = float(info[0][0])
    memUtil = float(info[0][1])

    states = []
    cpuInfo = "CPU: %2.1f%%" % cpuUtil
    if cpuUtil >= crit:
        cpuInfo += "(!!)"
        state = 2
    elif cpuUtil >= warn:
        cpuInfo += "(!)"
        state = 1
    else:
        state = 0
    states.append((state,cpuInfo,("CPU (percentage)", cpuUtil, warn, crit, 0, 100)))

    memInfo = "Mem: %2.1f%%" % memUtil
    if memUtil >= crit:
        memInfo += "(!!)"
        state = 2
    elif memUtil >= warn:
        memInfo += "(!)"
        state = 1
    else:
        state = 0
    states.append((state,memInfo,("Memory (percentage)", memUtil, warn, crit, 0, 100)))

    worst_state = max([x[0] for x in states])
    info_text = ", ".join([x[1] for x in states])
    state_text = { 0:"OK", 1:"WARN", 2:"CRIT" }.get(worst_state)
    return (worst_state, "%s - Usages: %s" % (state_text, info_text), [x[2] for x in states if x[2] != None])

check_info["cisco_nexus_system"] = {
    "check_function"        : check_cisco_nexus_system,
    "inventory_function"    : inventory_cisco_nexus_system,
    "service_description"   : "Nexus System",
    "has_perfdata"          : True,
    "snmp_scan_function"    : lambda oid: "Cisco NX-OS" in oid(".1.3.6.1.2.1.1.1.0"),
    "snmp_info"             : ( ".1.3.6.1.4.1.9.9.305.1.1", [ "1.0", "2.0" ] )
}