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fence_apc_snmp.py
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#!/usr/bin/python -tt
# The Following agent has been tested on:
# - APC Switched Rack PDU - SNMP v1
# (MB:v3.7.0 PF:v2.7.0 PN:apc_hw02_aos_270.bin AF1:v2.7.3
# AN1:apc_hw02_aos_270.bin AF1:v2.7.3 AN1:apc_hw02_rpdu_273.bin MN:AP7930 HR:B2)
# - APC Web/SNMP Management Card - SNMP v1 and v3 (noAuthNoPrivacy,authNoPrivacy, authPrivacy)
# (MB:v3.8.6 PF:v3.5.8 PN:apc_hw02_aos_358.bin AF1:v3.5.7
# AN1:apc_hw02_aos_358.bin AF1:v3.5.7 AN1:apc_hw02_rpdu_357.bin MN:AP7900 HR:B2)
# - APC Switched Rack PDU - SNMP v1
# (MB:v3.7.0 PF:v2.7.0 PN:apc_hw02_aos_270.bin AF1:v2.7.3
# AN1:apc_hw02_rpdu_273.bin MN:AP7951 HR:B2)
# - Tripplite PDUMH20HVNET 12.04.0055 - SNMP v1, v2c, v3
import sys
import atexit
import logging
sys.path.append("@FENCEAGENTSLIBDIR@")
from fencing import *
from fencing import fail_usage
from fencing_snmp import FencingSnmp
#BEGIN_VERSION_GENERATION
RELEASE_VERSION="APC SNMP fence agent"
REDHAT_COPYRIGHT=""
BUILD_DATE=""
#END_VERSION_GENERATION
### CONSTANTS ###
# oid defining fence device
OID_SYS_OBJECT_ID = '.1.3.6.1.2.1.1.2.0'
### GLOBAL VARIABLES ###
# Device - see ApcRPDU, ApcMSP, ApcMS, TripplitePDU
device = None
# Port ID
port_id = None
# Switch ID
switch_id = None
# Classes describing Device params
class TripplitePDU(object):
# Rack PDU
status_oid = '.1.3.6.1.4.1.850.10.2.3.5.1.2.1.%d'
control_oid = '.1.3.6.1.4.1.850.10.2.3.5.1.4.1.%d'
outlet_table_oid = '.1.3.6.1.4.1.850.10.2.3.5.1.5'
ident_str = "Tripplite"
state_on = 2
state_off = 1
turn_on = 2
turn_off = 1
has_switches = False
class ApcRPDU(object):
# Rack PDU
status_oid = '.1.3.6.1.4.1.318.1.1.12.3.5.1.1.4.%d'
control_oid = '.1.3.6.1.4.1.318.1.1.12.3.3.1.1.4.%d'
outlet_table_oid = '.1.3.6.1.4.1.318.1.1.12.3.5.1.1.2'
ident_str = "APC rPDU"
state_on = 1
state_off = 2
turn_on = 1
turn_off = 2
has_switches = False
class ApcMSP(object):
# Master Switch+
status_oid = '.1.3.6.1.4.1.318.1.1.6.7.1.1.5.%d.1.%d'
control_oid = '.1.3.6.1.4.1.318.1.1.6.5.1.1.5.%d.1.%d'
outlet_table_oid = '.1.3.6.1.4.1.318.1.1.6.7.1.1.4'
ident_str = "APC Master Switch+"
state_on = 1
state_off = 2
turn_on = 1
turn_off = 3
has_switches = True
class ApcMS(object):
# Master Switch - seems oldest, but supported on every APC PDU
status_oid = '.1.3.6.1.4.1.318.1.1.4.4.2.1.3.%d'
control_oid = '.1.3.6.1.4.1.318.1.1.4.4.2.1.3.%d'
outlet_table_oid = '.1.3.6.1.4.1.318.1.1.4.4.2.1.4'
ident_str = "APC Master Switch (fallback)"
state_on = 1
state_off = 2
turn_on = 1
turn_off = 2
has_switches = False
class ApcMS6(object):
# Master Switch with 6.x firmware
status_oid = '.1.3.6.1.4.1.318.1.1.4.4.2.1.3.%d'
control_oid = '.1.3.6.1.4.1.318.1.1.12.3.3.1.1.4.%d'
outlet_table_oid = '1.3.6.1.4.1.318.1.1.4.4.2.1.4'
ident_str = "APC Master Switch with firmware v6.x"
state_on = 1
state_off = 2
turn_on = 1
turn_off = 2
has_switches = False
### FUNCTIONS ###
def apc_set_device(conn):
global device
agents_dir = {'.1.3.6.1.4.1.318.1.3.4.5':ApcRPDU,
'.1.3.6.1.4.1.318.1.3.4.4':ApcMSP,
'.1.3.6.1.4.1.850.1':TripplitePDU,
'.1.3.6.1.4.1.318.1.3.4.6':ApcMS6,
None:ApcMS}
# First resolve type of APC
apc_type = conn.walk(OID_SYS_OBJECT_ID)
if not ((len(apc_type) == 1) and (agents_dir.has_key(apc_type[0][1]))):
apc_type = [[None, None]]
device = agents_dir[apc_type[0][1]]
logging.debug("Trying %s"%(device.ident_str))
def apc_resolv_port_id(conn, options):
global port_id, switch_id
if device == None:
apc_set_device(conn)
# Now we resolv port_id/switch_id
if (options["--plug"].isdigit()) and ((not device.has_switches) or (options["--switch"].isdigit())):
port_id = int(options["--plug"])
if device.has_switches:
switch_id = int(options["--switch"])
else:
table = conn.walk(device.outlet_table_oid, 30)
for x in table:
if x[1].strip('"') == options["--plug"]:
t = x[0].split('.')
if device.has_switches:
port_id = int(t[len(t)-1])
switch_id = int(t[len(t)-3])
else:
port_id = int(t[len(t)-1])
if port_id == None:
fail_usage("Can't find port with name %s!"%(options["--plug"]))
def get_power_status(conn, options):
if port_id == None:
apc_resolv_port_id(conn, options)
oid = ((device.has_switches) and device.status_oid%(switch_id, port_id) or device.status_oid%(port_id))
(oid, status) = conn.get(oid)
return status == str(device.state_on) and "on" or "off"
def set_power_status(conn, options):
if port_id == None:
apc_resolv_port_id(conn, options)
oid = ((device.has_switches) and device.control_oid%(switch_id, port_id) or device.control_oid%(port_id))
conn.set(oid, (options["--action"] == "on" and device.turn_on or device.turn_off))
def get_outlets_status(conn, options):
result = {}
if device == None:
apc_set_device(conn)
res_ports = conn.walk(device.outlet_table_oid, 30)
for x in res_ports:
t = x[0].split('.')
port_num = ((device.has_switches) and "%s:%s"%(t[len(t)-3], t[len(t)-1]) or "%s"%(t[len(t)-1]))
port_name = x[1].strip('"')
port_status = ""
result[port_num] = (port_name, port_status)
return result
# Main agent method
def main():
device_opt = ["ipaddr", "login", "passwd", "no_login", "no_password", \
"port", "snmp_version", "snmp"]
atexit.register(atexit_handler)
all_opt["snmp_version"]["default"] = "1"
all_opt["community"]["default"] = "private"
options = check_input(device_opt, process_input(device_opt))
## Support for -n [switch]:[plug] notation that was used before
if (options.has_key("--plug")) and (-1 != options["--plug"].find(":")):
(switch, plug) = options["--plug"].split(":", 1)
if switch.isdigit() and plug.isdigit():
options["--switch"] = switch
options["--plug"] = plug
if not options.has_key("--switch"):
options["--switch"] = "1"
docs = {}
docs["shortdesc"] = "Fence agent for APC, Tripplite PDU over SNMP"
docs["longdesc"] = "fence_apc_snmp is an I/O Fencing agent \
which can be used with the APC network power switch or Tripplite PDU devices.\
It logs into a device via SNMP and reboots a specified outlet. It supports \
SNMP v1, v2c, v3 with all combinations of authenticity/privacy settings."
docs["vendorurl"] = "http://www.apc.com"
show_docs(options, docs)
# Operate the fencing device
result = fence_action(FencingSnmp(options), options, set_power_status, get_power_status, get_outlets_status)
sys.exit(result)
if __name__ == "__main__":
main()

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