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fence_alom.py

#!/usr/bin/python

# The Following Agent Has Been Tested On:
#
# Sun(tm) Advanced Lights Out Manager CMT v1.6.1
# as found on SUN T2000 Niagara

import sys, re, pexpect, time
sys.path.append("@FENCEAGENTSLIBDIR@")
from fencing import *

#BEGIN_VERSION_GENERATION
RELEASE_VERSION="Sun Advanced Lights Out Manager (ALOM)"
REDHAT_COPYRIGHT=""
BUILD_DATE=""
#END_VERSION_GENERATION

def get_power_status(conn, options):
      result = ""
      try:
            conn.sendline("showplatform")
                conn.log_expect(options, options["-c"], int(options["-Y"]))
            status = re.search("standby",conn.before.lower())
            result=(status!=None and "off" or "on")
      except pexpect.EOF:
            fail(EC_CONNECTION_LOST)
      except pexpect.TIMEOUT:
            fail(EC_TIMED_OUT)

      return result

def set_power_status(conn, options):
      try:
            cmd_line=(options["-o"]=="on" and "poweron" or "poweroff -f -y")
            conn.sendline(cmd_line)
            conn.log_expect(options, options["-c"],int(options["-g"]))
            #Get the machine some time between poweron and poweroff
            time.sleep(int(options["-g"]))
            
      except pexpect.EOF:
            fail(EC_CONNECTION_LOST)
      except pexpect.TIMEOUT:
            fail(EC_TIMED_OUT)
            
def main():
      device_opt = [  "help", "version", "agent", "quiet", "verbose", "debug",
                  "action", "ipaddr", "login", "passwd", "passwd_script",
                  "secure", "identity_file", "test", "inet4_only", "inet6_only", "ipport",
                  "power_timeout", "shell_timeout", "login_timeout", "power_wait" ]

      atexit.register(atexit_handler)
      
      pinput = process_input(device_opt)
      pinput["-x"] = 1
      options = check_input(device_opt, pinput)

      # Default command is sc>
      if (not options.has_key("-c")):
            options["-c"] = "sc>\ "

      options["telnet_over_ssh"] = 1
      
      docs = { }
      docs["shortdesc"] = "Fence agent for Sun ALOM"
      docs["longdesc"] = "fence_alom is an I/O Fencing \
agent which can be used with ALOM connected machines."
      docs["vendorurl"] = "http://www.sun.com"
      show_docs(options, docs)
            
      # Operate the fencing device
      conn = fence_login(options)
      result = fence_action(conn, options, set_power_status, get_power_status,None)

      # Logout from system
      try:
            conn.sendline("logout")
            conn.close()
      except exceptions.OSError:
            pass
      except pexpect.ExceptionPexpect:
            pass                                           

      sys.exit(result)

if __name__ == "__main__":
      main()

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