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fence_hds_cb.py
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fence_hds_cb.py
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#!@PYTHON@ -tt
#####
##
## The Following Agent Has Been Tested On:
##
## Model Modle/Firmware
## +--------------------+---------------------------+
## (1) Main application CB2000/A0300-E-6617
##
#####
import sys, re
import atexit
sys.path.append("@FENCEAGENTSLIBDIR@")
from fencing import *
RE_STATUS_LINE = r"^([0-9]+)\s+(\S+)\s+(\S+)\s+(\S+)\s+(\S+)\s+(\S+).*$"
def get_power_status(conn, options):
#### Maybe should put a conn.log_expect here to make sure
#### we have properly entered into the main menu
conn.sendline("S") # Enter System Command Mode
conn.log_expect("SVP>", int(options["--shell-timeout"]))
conn.sendline("PC") # Enter partition control
conn.log_expect(options["--command-prompt"], int(options["--shell-timeout"]))
result = {}
# Status can now be obtained from the output of the PC
# command. Line looks like the following:
# "P Power Condition LID lamp Mode Auto power on"
# "0 On Normal Off Basic Synchronized"
# "1 On Normal Off Basic Synchronized"
for line in conn.before.splitlines():
# populate the relevant fields based on regex
partition = re.search(RE_STATUS_LINE, line)
if partition != None:
# find the blade number defined in args
if partition.group(1) == options["--plug"]:
result = partition.group(2).lower()
# We must make sure we go back to the main menu as the
# status is checked before any fencing operations are
# executed. We could in theory save some time by staying in
# the partition control, but the logic is a little cleaner
# this way.
conn.sendline("Q") # Back to system command mode
conn.log_expect("SVP>", int(options["--shell-timeout"]))
conn.sendline("EX") # Back to system console main menu
conn.log_expect(options["--command-prompt"], int(options["--shell-timeout"]))
return result
def set_power_status(conn, options):
action = {
'on' : "P",
'off': "F",
'reboot' : "H",
}[options["--action"]]
conn.sendline("S") # Enter System Command Mode
conn.log_expect("SVP>", int(options["--shell-timeout"]))
conn.sendline("PC") # Enter partition control
conn.log_expect(options["--command-prompt"], int(options["--shell-timeout"]))
conn.sendline("P") # Enter power control menu
conn.log_expect(options["--command-prompt"], int(options["--shell-timeout"]))
conn.sendline(action) # Execute action from array above
conn.log_expect(options["--command-prompt"], int(options["--shell-timeout"]))
conn.sendline(options["--plug"]) # Select blade number from args
conn.log_expect(options["--command-prompt"], int(options["--shell-timeout"]))
conn.sendline("Y") # Confirm action
conn.log_expect("Hit enter key.", int(options["--shell-timeout"]))
conn.sendline("") # Press the any key
conn.log_expect(options["--command-prompt"], int(options["--shell-timeout"]))
conn.sendline("Q") # Quit back to partition control
conn.log_expect(options["--command-prompt"], int(options["--shell-timeout"]))
conn.sendline("Q") # Quit back to system command mode
conn.log_expect("SVP>", int(options["--shell-timeout"]))
conn.sendline("EX") # Quit back to system console menu
conn.log_expect(options["--command-prompt"], int(options["--shell-timeout"]))
def get_blades_list(conn, options):
outlets = {}
conn.sendline("S") # Enter System Command Mode
conn.log_expect("SVP>", int(options["--shell-timeout"]))
conn.sendline("PC") # Enter partition control
conn.log_expect(options["--command-prompt"], int(options["--shell-timeout"]))
# Status can now be obtained from the output of the PC
# command. Line looks like the following:
# "P Power Condition LID lamp Mode Auto power on"
# "0 On Normal Off Basic Synchronized"
# "1 On Normal Off Basic Synchronized"
for line in conn.before.splitlines():
partition = re.search(RE_STATUS_LINE, line)
if partition != None:
outlets[partition.group(1)] = (partition.group(2), "")
conn.sendline("Q") # Quit back to system command mode
conn.log_expect("SVP>", int(options["--shell-timeout"]))
conn.sendline("EX") # Quit back to system console menu
conn.log_expect(options["--command-prompt"], int(options["--shell-timeout"]))
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"] = "5"
all_opt["cmd_prompt"]["default"] = [r"\) :"]
options = check_input(device_opt, process_input(device_opt))
docs = {}
docs["shortdesc"] = "Fence agent for Hitachi Compute Blade systems"
docs["longdesc"] = "fence_hds_cb is an I/O Fencing agent \
which can be used with Hitachi Compute Blades with recent enough firmware that \
includes telnet support."
docs["vendorurl"] = "http://www.hds.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_blades_list)
fence_logout(conn, "X")
sys.exit(result)
if __name__ == "__main__":
main()

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