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fence_emerson.py
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fence_emerson.py
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#!@PYTHON@ -tt
import sys
import atexit
sys.path.append("@FENCEAGENTSLIBDIR@")
from fencing import *
from fencing_snmp import FencingSnmp
### CONSTANTS ###
STATUSES_OID = ".1.3.6.1.4.1.476.1.42.3.8.50.20.1.95"
CONTROL_OID = ".1.3.6.1.4.1.476.1.42.3.8.50.20.1.100"
NAMES_OID = ".1.3.6.1.4.1.476.1.42.3.8.50.20.1.10"
# Status constants returned as value from SNMP
STATUS_DOWN = 1
STATUS_UP = 2
# Status constants to set as value to SNMP
STATUS_SET_OFF = 0
STATUS_SET_ON = 1
def get_power_status(conn, options):
(_, status) = conn.get("%s.%s"% (STATUSES_OID, options["--plug"]))
return status == str(STATUS_UP) and "on" or "off"
def set_power_status(conn, options):
conn.set("%s.%s" % (CONTROL_OID, options["--plug"]),
(options["--action"] == "on" and STATUS_SET_ON or STATUS_SET_OFF))
def get_outlets_status(conn, _):
result = {}
res_outlet = conn.walk(STATUSES_OID, 30)
for outlet_info in res_outlet:
port_num = ".".join(outlet_info[0].split('.')[-3:])
port_alias = conn.get("%s.%s"% (NAMES_OID, port_num))[1]
port_status = (outlet_info[1] == str(STATUS_UP) and "on" or "off")
result[port_num] = (port_alias, port_status)
return result
def main():
device_opt = ["ipaddr", "login", "passwd", "no_login", "no_password", \
"port", "snmp_version", "snmp"]
atexit.register(atexit_handler)
all_opt["power_wait"]["default"] = "5"
options = check_input(device_opt, process_input(device_opt))
docs = {}
docs["shortdesc"] = "Fence agent for Emerson over SNMP"
docs["longdesc"] = "fence_emerson is a Power Fencing agent \
which can be used with MPX and MPH2 managed rack PDU."
docs["vendorurl"] = "http://www.emersonnetworkpower.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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