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fence_cyberpower_ssh.py
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fence_cyberpower_ssh.py
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#!@PYTHON@ -tt
#####
##
## Fence agent for CyberPower based SSH-capable power strip
## Tested with CyberPower model PDU41001, ePDU Firmware version 1.2.0
##
#####
import sys, re, time
import atexit
sys.path.append("@FENCEAGENTSLIBDIR@")
from fencing import *
from fencing import fail, EC_STATUS
def set_power_status(conn, options):
conn.send_eol("oltctrl index " + options["--plug"] + " act delay" + options["--action"])
conn.log_expect(options["--command-prompt"], int(options["--shell-timeout"]))
def get_power_status(conn, options):
outlets = {}
conn.send_eol("oltsta show")
conn.log_expect(options["--command-prompt"], int(options["--shell-timeout"]))
lines = conn.before.split("\n")
show_re = re.compile(r'(\s*)(\d)\s*(.*)\s*(On|Off)\s*')
for line in lines:
res = show_re.search(line)
if res != None:
outlets[res.group(2)] = (res.group(3), res.group(4))
if ["list", "monitor"].count(options["--action"]) == 1:
return outlets
else:
try:
(_,status) = outlets[options["--plug"]]
return status.lower().strip()
except KeyError:
fail(EC_STATUS)
def main():
device_opt = ["ipaddr", "login", "passwd", "cmd_prompt", "secure", \
"port"]
atexit.register(atexit_handler)
all_opt["cmd_prompt"]["default"] = ["\n>", "\nCyberPower >"]
options = check_input(device_opt, process_input(device_opt))
docs = {}
docs["shortdesc"] = "Fence agent for CyberPower over ssh"
docs["longdesc"] = "fence_cyberpower_ssh is an I/O Fencing agent \
which can be used with the CyberPower network power switch. It logs into \
device via ssh and reboots a specified outlet. Lengthy ssh connections \
should be avoided while a GFS cluster is running because the connection \
will block any necessary fencing actions."
docs["vendorurl"] = "http://www.cyberpower.com"
show_docs(options, docs)
##
## Operate the fencing device
####
conn = fence_login(options)
result = fence_action(conn, options, set_power_status, get_power_status, get_power_status)
fence_logout(conn, "exit")
sys.exit(result)
if __name__ == "__main__":
main()

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