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fence_bladecenter.py
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fence_bladecenter.py
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#!@PYTHON@ -tt
#####
##
## The Following Agent Has Been Tested On:
##
## Model Firmware
## +--------------------+---------------------------+
## (1) Main application BRET85K, rev 16
## Boot ROM BRBR67D, rev 16
## Remote Control BRRG67D, rev 16
##
#####
import sys, re
import atexit
sys.path.append("@FENCEAGENTSLIBDIR@")
from fencing import *
from fencing import fail, EC_STATUS, EC_GENERIC_ERROR
def get_power_status(conn, options):
node_cmd = r"system:blade\[" + options["--plug"] + r"\]>"
conn.send_eol("env -T system:blade[" + options["--plug"] + "]")
i = conn.log_expect([node_cmd, "system>"], int(options["--shell-timeout"]))
if i == 1:
## Given blade number does not exist
if "--missing-as-off" in options:
return "off"
else:
fail(EC_STATUS)
conn.send_eol("power -state")
conn.log_expect(node_cmd, int(options["--shell-timeout"]))
status = conn.before.splitlines()[-1]
conn.send_eol("env -T system")
conn.log_expect(options["--command-prompt"], int(options["--shell-timeout"]))
return status.lower().strip()
def set_power_status(conn, options):
node_cmd = r"system:blade\[" + options["--plug"] + r"\]>"
conn.send_eol("env -T system:blade[" + options["--plug"] + "]")
i = conn.log_expect([node_cmd, "system>"], int(options["--shell-timeout"]))
if i == 1:
## Given blade number does not exist
if "--missing-as-off" in options:
return
else:
fail(EC_GENERIC_ERROR)
conn.send_eol("power -"+options["--action"])
conn.log_expect(node_cmd, int(options["--shell-timeout"]))
conn.send_eol("env -T system")
conn.log_expect(options["--command-prompt"], int(options["--shell-timeout"]))
def get_blades_list(conn, options):
outlets = {}
node_cmd = "system>"
conn.send_eol("env -T system")
conn.log_expect(node_cmd, int(options["--shell-timeout"]))
conn.send_eol("list -l 2")
conn.log_expect(node_cmd, int(options["--shell-timeout"]))
lines = conn.before.split("\r\n")
filter_re = re.compile(r"^\s*blade\[(\d+)\]\s+(.*?)\s*$")
for blade_line in lines:
res = filter_re.search(blade_line)
if res != None:
outlets[res.group(1)] = (res.group(2), "")
return outlets
def main():
device_opt = ["ipaddr", "login", "passwd", "cmd_prompt", "secure", \
"port", "missing_as_off", "telnet"]
atexit.register(atexit_handler)
all_opt["power_wait"]["default"] = "10"
all_opt["cmd_prompt"]["default"] = ["system>"]
options = check_input(device_opt, process_input(device_opt))
docs = {}
docs["shortdesc"] = "Fence agent for IBM BladeCenter"
docs["longdesc"] = "fence_bladecenter is an I/O Fencing agent \
which can be used with IBM Bladecenters with recent enough firmware that \
includes telnet support. It logs into a Brocade chasis via telnet or ssh \
and uses the command line interface to power on and off blades."
docs["vendorurl"] = "http://www.ibm.com"
show_docs(options, docs)
##
## Operate the fencing device
######
conn = fence_login(options, "(username\s*:\s*)")
result = fence_action(conn, options, set_power_status, get_power_status, get_blades_list)
fence_logout(conn, "exit")
sys.exit(result)
if __name__ == "__main__":
main()

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