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fence_apc_snmp.py
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fence_apc_snmp.py
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#!/usr/bin/python
# The Following agent has been tested on:
# - APC Switched Rack PDU (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) - SNMP v1
# - APC Web/SNMP Management Card (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) - SNMP v1 and v3 (noAuthNoPrivacy,authNoPrivacy, authPrivacy)
# - APC Switched Rack PDU (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) - SNMP v1
import sys, re, pexpect
sys.path.append("@FENCEAGENTSLIBDIR@")
from fencing import *
from fencing_snmp import *
#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
device=None
# Port ID
port_id=None
# Switch ID
switch_id=None
# Classes describing Device params
class ApcRPDU:
# 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:
# 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:
# 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
### FUNCTIONS ###
def apc_set_device(conn,options):
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,
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]]
conn.log_command("Trying %s"%(device.ident_str))
def apc_resolv_port_id(conn,options):
global port_id,switch_id,device
if (device==None):
apc_set_device(conn,options)
# Now we resolv port_id/switch_id
if ((options["-n"].isdigit()) and ((not device.has_switches) or (options["-s"].isdigit()))):
port_id=int(options["-n"])
if (device.has_switches):
switch_id=int(options["-s"])
else:
table=conn.walk(device.outlet_table_oid,30)
for x in table:
if (x[1].strip('"')==options["-n"]):
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["-n"]))
def get_power_status(conn,options):
global port_id,switch_id,device
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):
global port_id,switch_id,device
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["-o"]=="on" and device.turn_on or device.turn_off))
def get_outlets_status(conn, options):
global device
result={}
if (device==None):
apc_set_device(conn,options)
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
# Define new options
def apc_snmp_define_defaults():
all_opt["snmp_version"]["default"]="1"
all_opt["community"]["default"]="private"
# Main agent method
def main():
device_opt = [ "help", "version", "agent", "quiet", "verbose", "debug",
"action", "ipaddr", "login", "passwd", "passwd_script",
"test", "port", "separator", "no_login", "no_password",
"snmp_version", "community", "snmp_auth_prot", "snmp_sec_level",
"snmp_priv_prot", "snmp_priv_passwd", "snmp_priv_passwd_script",
"udpport","inet4_only","inet6_only",
"power_timeout", "shell_timeout", "login_timeout", "power_wait" ]
atexit.register(atexit_handler)
snmp_define_defaults ()
apc_snmp_define_defaults()
options=check_input(device_opt,process_input(device_opt))
## Support for -n [switch]:[plug] notation that was used before
if ((options.has_key("-n")) and (-1 != options["-n"].find(":"))):
(switch, plug) = options["-n"].split(":", 1)
if ((switch.isdigit()) and (plug.isdigit())):
options["-s"] = switch
options["-n"] = plug
if (not (options.has_key("-s"))):
options["-s"]="1"
docs = { }
docs["shortdesc"] = "Fence agent for APC over SNMP"
docs["longdesc"] = "fence_apc_snmp is an I/O Fencing agent \
which can be used with the APC network power switch. It logs \
into a device via SNMP and reboots a specified outlet. It supports \
SNMP v1 and 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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