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fence_ibmblade.py
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fence_ibmblade.py
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#!@PYTHON@ -tt
import sys
import atexit
sys.path.append("@FENCEAGENTSLIBDIR@")
from fencing import *
from fencing_snmp import FencingSnmp
### CONSTANTS ###
# From fence_ibmblade.pl
STATUSES_OID = ".1.3.6.1.4.1.2.3.51.2.22.1.5.1.1.4" # remoteControlBladePowerState
CONTROL_OID = ".1.3.6.1.4.1.2.3.51.2.22.1.6.1.1.7" # powerOnOffBlade
# Status constants returned as value from SNMP
STATUS_DOWN = 0
STATUS_UP = 1
# Status constants to set as value to SNMP
STATUS_SET_OFF = 0
STATUS_SET_ON = 1
### FUNCTIONS ###
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_blades = conn.walk(STATUSES_OID, 30)
for blade_info in res_blades:
port_num = blade_info[0].split('.')[-1]
port_alias = ""
port_status = (blade_info[1] == str(STATUS_UP) and "on" or "off")
result[port_num] = (port_alias, 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"
options = check_input(device_opt, process_input(device_opt))
docs = {}
docs["shortdesc"] = "Fence agent for IBM BladeCenter over SNMP"
docs["longdesc"] = "fence_ibmblade is an I/O Fencing agent \
which can be used with IBM BladeCenter chassis. It issues SNMP Set \
request to BladeCenter chassis, rebooting, powering up or down \
the specified Blade Server."
docs["vendorurl"] = "http://www.ibm.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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