Adding upstream version 4.12.1.upstream/4.12.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1393 insertions, 0 deletions

diff --git a/agents/autodetect/fencing.py b/agents/autodetect/fencing.py
new file mode 100644
index 0000000..ea21ace
--- /dev/null
+++ b/agents/autodetect/fencing.py
@@ -0,0 +1,1393 @@
+#!/usr/bin/python -tt
+
+import sys, getopt, time, os, uuid, pycurl, stat
+import pexpect, re, syslog
+import logging
+import subprocess
+import threading
+import shlex
+import exceptions
+import socket
+import textwrap
+import __main__
+
+## do not add code here.
+#BEGIN_VERSION_GENERATION
+RELEASE_VERSION="4.0.21.23-eaa13"
+BUILD_DATE="(built Wed Nov 4 13:28:43 CET 2015)"
+REDHAT_COPYRIGHT="Copyright (C) Red Hat, Inc. 2004-2010 All rights reserved."
+#END_VERSION_GENERATION
+
+__all__ = ['atexit_handler', 'check_input', 'process_input', 'all_opt', 'show_docs',
+		'fence_login', 'fence_action', 'fence_logout']
+
+EC_OK = 0
+EC_GENERIC_ERROR = 1
+EC_BAD_ARGS = 2
+EC_LOGIN_DENIED = 3
+EC_CONNECTION_LOST = 4
+EC_TIMED_OUT = 5
+EC_WAITING_ON = 6
+EC_WAITING_OFF = 7
+EC_STATUS = 8
+EC_STATUS_HMC = 9
+EC_PASSWORD_MISSING = 10
+EC_INVALID_PRIVILEGES = 11
+
+all_opt = {
+	"help"    : {
+		"getopt" : "h",
+		"longopt" : "help",
+		"help" : "-h, --help                     Display this help and exit",
+		"required" : "0",
+		"shortdesc" : "Display help and exit",
+		"order" : 54},
+	"version" : {
+		"getopt" : "V",
+		"longopt" : "version",
+		"help" : "-V, --version                  Display version information and exit",
+		"required" : "0",
+		"shortdesc" : "Display version information and exit",
+		"order" : 53},
+	"verbose" : {
+		"getopt" : "v",
+		"longopt" : "verbose",
+		"help" : "-v, --verbose                  Verbose mode",
+		"required" : "0",
+		"order" : 51},
+	"debug" : {
+		"getopt" : "D:",
+		"longopt" : "debug-file",
+		"help" : "-D, --debug-file=[debugfile]   Debugging to output file",
+		"required" : "0",
+		"shortdesc" : "Write debug information to given file",
+		"order" : 52},
+	"delay" : {
+		"getopt" : ":",
+		"longopt" : "delay",
+		"help" : "--delay=[seconds]              Wait X seconds before fencing is started",
+		"required" : "0",
+		"default" : "0",
+		"order" : 200},
+	"agent"   : {
+		"getopt" : "",
+		"help" : "",
+		"order" : 1},
+	"web"    : {
+		"getopt" : "",
+		"help" : "",
+		"order" : 1},
+	"force_on" : {
+		"getopt" : "",
+		"help" : "",
+		"order" : 1},
+	"action" : {
+		"getopt" : "o:",
+		"longopt" : "action",
+		"help" : "-o, --action=[action]          Action: status, reboot (default), off or on",
+		"required" : "1",
+		"shortdesc" : "Fencing action",
+		"default" : "reboot",
+		"order" : 1},
+	"fabric_fencing" : {
+		"getopt" : "",
+		"help" : "",
+		"order" : 1},
+	"ipaddr" : {
+		"getopt" : "a:",
+		"longopt" : "ip",
+		"help" : "-a, --ip=[ip]                  IP address or hostname of fencing device",
+		"required" : "1",
+		"order" : 1},
+	"ipport" : {
+		"getopt" : "u:",
+		"longopt" : "ipport",
+		"help" : "-u, --ipport=[port]            TCP/UDP port to use for connection",
+		"required" : "0",
+		"shortdesc" : "TCP/UDP port to use for connection with device",
+		"order" : 1},
+	"login" : {
+		"getopt" : "l:",
+		"longopt" : "username",
+		"help" : "-l, --username=[name]          Login name",
+		"required" : "?",
+		"order" : 1},
+	"no_login" : {
+		"getopt" : "",
+		"help" : "",
+		"order" : 1},
+	"no_password" : {
+		"getopt" : "",
+		"help" : "",
+		"order" : 1},
+	"no_port" : {
+		"getopt" : "",
+		"help" : "",
+		"order" : 1},
+	"no_status" : {
+		"getopt" : "",
+		"help" : "",
+		"order" : 1},
+	"no_on" : {
+		"getopt" : "",
+		"help" : "",
+		"order" : 1},
+	"no_off" : {
+		"getopt" : "",
+		"help" : "",
+		"order" : 1},
+	"telnet" : {
+		"getopt" : "",
+		"help" : "",
+		"order" : ""},
+	"passwd" : {
+		"getopt" : "p:",
+		"longopt" : "password",
+		"help" : "-p, --password=[password]      Login password or passphrase",
+		"required" : "0",
+		"order" : 1},
+	"passwd_script" : {
+		"getopt" : "S:",
+		"longopt" : "password-script",
+		"help" : "-S, --password-script=[script] Script to run to retrieve password",
+		"required" : "0",
+		"order" : 1},
+	"identity_file" : {
+		"getopt" : "k:",
+		"longopt" : "identity-file",
+		"help" : "-k, --identity-file=[filename] Identity file (private key) for SSH",
+		"required" : "0",
+		"order" : 1},
+	"cmd_prompt" : {
+		"getopt" : "c:",
+		"longopt" : "command-prompt",
+		"help" : "-c, --command-prompt=[prompt]  Force Python regex for command prompt",
+		"required" : "0",
+		"order" : 1},
+	"secure" : {
+		"getopt" : "x",
+		"longopt" : "ssh",
+		"help" : "-x, --ssh                      Use SSH connection",
+		"required" : "0",
+		"order" : 1},
+	"ssh_options" : {
+		"getopt" : ":",
+		"longopt" : "ssh-options",
+		"help" : "--ssh-options=[options]        SSH options to use",
+		"required" : "0",
+		"order" : 1},
+	"ssl" : {
+		"getopt" : "z",
+		"longopt" : "ssl",
+		"help" : "-z, --ssl                      Use SSL connection with verifying certificate",
+		"required" : "0",
+		"order" : 1},
+	"ssl_insecure" : {
+		"getopt" : "",
+		"longopt" : "ssl-insecure",
+		"help" : "--ssl-insecure                 Use SSL connection without verifying certificate",
+		"required" : "0",
+		"order" : 1},
+	"ssl_secure" : {
+		"getopt" : "",
+		"longopt" : "ssl-secure",
+		"help" : "--ssl-secure                   Use SSL connection with verifying certificate",
+		"required" : "0",
+		"order" : 1},
+	"notls" : {
+		"getopt" : "t",
+		"longopt" : "notls",
+		"help" : "-t, --notls                    "
+				"Disable TLS negotiation and force SSL3.0. "
+				"This should only be used for devices that do not support TLS1.0 and up.",
+		"required" : "0",
+		"order" : 1},
+	"tls1.0" : {
+		"getopt" : "",
+		"longopt" : "tls1.0",
+		"help" : "--tls1.0                       "
+				"Disable TLS negotiation and force TLS1.0. "
+				"This should only be used for devices that do not support TLS1.1 and up.",
+		"required" : "0",
+		"order" : 1},
+	"port" : {
+		"getopt" : "n:",
+		"longopt" : "plug",
+		"help" : "-n, --plug=[id]                "
+				"Physical plug number on device, UUID or identification of machine",
+		"required" : "1",
+		"order" : 1},
+	"switch" : {
+		"getopt" : "s:",
+		"longopt" : "switch",
+		"help" : "-s, --switch=[id]              Physical switch number on device",
+		"required" : "0",
+		"order" : 1},
+	"exec" : {
+		"getopt" : "e:",
+		"longopt" : "exec",
+		"help" : "-e, --exec=[command]           Command to execute",
+		"required" : "0",
+		"order" : 1},
+	"vmware_type" : {
+		"getopt" : "d:",
+		"longopt" : "vmware_type",
+		"help" : "-d, --vmware_type=[type]       Type of VMware to connect",
+		"required" : "0",
+		"order" : 1},
+	"vmware_datacenter" : {
+		"getopt" : "s:",
+		"longopt" : "vmware-datacenter",
+		"help" : "-s, --vmware-datacenter=[dc]   VMWare datacenter filter",
+		"required" : "0",
+		"order" : 2},
+	"snmp_version" : {
+		"getopt" : "d:",
+		"longopt" : "snmp-version",
+		"help" : "-d, --snmp-version=[version]   Specifies SNMP version to use (1|2c|3)",
+		"required" : "0",
+		"shortdesc" : "Specifies SNMP version to use",
+		"choices" : ["1", "2c", "3"],
+		"order" : 1},
+	"community" : {
+		"getopt" : "c:",
+		"longopt" : "community",
+		"help" : "-c, --community=[community]    Set the community string",
+		"required" : "0",
+		"order" : 1},
+	"snmp_auth_prot" : {
+		"getopt" : "b:",
+		"longopt" : "snmp-auth-prot",
+		"help" : "-b, --snmp-auth-prot=[prot]    Set authentication protocol (MD5|SHA)",
+		"required" : "0",
+		"shortdesc" : "Set authentication protocol",
+		"choices" : ["MD5", "SHA"],
+		"order" : 1},
+	"snmp_sec_level" : {
+		"getopt" : "E:",
+		"longopt" : "snmp-sec-level",
+		"help" : "-E, --snmp-sec-level=[level]   "
+				"Set security level (noAuthNoPriv|authNoPriv|authPriv)",
+		"required" : "0",
+		"shortdesc" : "Set security level",
+		"choices" : ["noAuthNoPriv", "authNoPriv", "authPriv"],
+		"order" : 1},
+	"snmp_priv_prot" : {
+		"getopt" : "B:",
+		"longopt" : "snmp-priv-prot",
+		"help" : "-B, --snmp-priv-prot=[prot]    Set privacy protocol (DES|AES)",
+		"required" : "0",
+		"shortdesc" : "Set privacy protocol",
+		"choices" : ["DES", "AES"],
+		"order" : 1},
+	"snmp_priv_passwd" : {
+		"getopt" : "P:",
+		"longopt" : "snmp-priv-passwd",
+		"help" : "-P, --snmp-priv-passwd=[pass]  Set privacy protocol password",
+		"required" : "0",
+		"order" : 1},
+	"snmp_priv_passwd_script" : {
+		"getopt" : "R:",
+		"longopt" : "snmp-priv-passwd-script",
+		"help" : "-R, --snmp-priv-passwd-script  Script to run to retrieve privacy password",
+		"required" : "0",
+		"order" : 1},
+	"inet4_only" : {
+		"getopt" : "4",
+		"longopt" : "inet4-only",
+		"help" : "-4, --inet4-only               Forces agent to use IPv4 addresses only",
+		"required" : "0",
+		"order" : 1},
+	"inet6_only" : {
+		"getopt" : "6",
+		"longopt" : "inet6-only",
+		"help" : "-6, --inet6-only               Forces agent to use IPv6 addresses only",
+		"required" : "0",
+		"order" : 1},
+	"separator" : {
+		"getopt" : "C:",
+		"longopt" : "separator",
+		"help" : "-C, --separator=[char]         Separator for CSV created by 'list' operation",
+		"default" : ",",
+		"required" : "0",
+		"order" : 100},
+	"login_timeout" : {
+		"getopt" : ":",
+		"longopt" : "login-timeout",
+		"help" : "--login-timeout=[seconds]      Wait X seconds for cmd prompt after login",
+		"default" : "5",
+		"required" : "0",
+		"order" : 200},
+	"shell_timeout" : {
+		"getopt" : ":",
+		"longopt" : "shell-timeout",
+		"help" : "--shell-timeout=[seconds]      Wait X seconds for cmd prompt after issuing command",
+		"default" : "3",
+		"required" : "0",
+		"order" : 200},
+	"power_timeout" : {
+		"getopt" : ":",
+		"longopt" : "power-timeout",
+		"help" : "--power-timeout=[seconds]      Test X seconds for status change after ON/OFF",
+		"default" : "20",
+		"required" : "0",
+		"order" : 200},
+	"power_wait" : {
+		"getopt" : ":",
+		"longopt" : "power-wait",
+		"help" : "--power-wait=[seconds]         Wait X seconds after issuing ON/OFF",
+		"default" : "0",
+		"required" : "0",
+		"order" : 200},
+	"missing_as_off" : {
+		"getopt" : "",
+		"longopt" : "missing-as-off",
+		"help" : "--missing-as-off               Missing port returns OFF instead of failure",
+		"required" : "0",
+		"order" : 200},
+	"retry_on" : {
+		"getopt" : ":",
+		"longopt" : "retry-on",
+		"help" : "--retry-on=[attempts]          Count of attempts to retry power on",
+		"default" : "1",
+		"required" : "0",
+		"order" : 201},
+	"session_url" : {
+		"getopt" : "s:",
+		"longopt" : "session-url",
+		"help" : "-s, --session-url              URL to connect to XenServer on",
+		"required" : "1",
+		"order" : 1},
+	"sudo" : {
+		"getopt" : "",
+		"longopt" : "use-sudo",
+		"help" : "--use-sudo                     Use sudo (without password) when calling 3rd party software",
+		"required" : "0",
+		"order" : 205},
+	"method" : {
+		"getopt" : "m:",
+		"longopt" : "method",
+		"help" : "-m, --method=[method]          Method to fence (onoff|cycle) (Default: onoff)",
+		"required" : "0",
+		"shortdesc" : "Method to fence",
+		"default" : "onoff",
+		"choices" : ["onoff", "cycle"],
+		"order" : 1},
+	"telnet_path" : {
+		"getopt" : ":",
+		"longopt" : "telnet-path",
+		"help" : "--telnet-path=[path]           Path to telnet binary",
+		"required" : "0",
+		"default" : "/usr/bin/telnet",
+		"order": 300},
+	"ssh_path" : {
+		"getopt" : ":",
+		"longopt" : "ssh-path",
+		"help" : "--ssh-path=[path]              Path to ssh binary",
+		"required" : "0",
+		"default" : "/usr/bin/ssh",
+		"order": 300},
+	"gnutlscli_path" : {
+		"getopt" : ":",
+		"longopt" : "gnutlscli-path",
+		"help" : "--gnutlscli-path=[path]        Path to gnutls-cli binary",
+		"required" : "0",
+		"default" : "/usr/bin/gnutls-cli",
+		"order": 300},
+	"sudo_path" : {
+		"getopt" : ":",
+		"longopt" : "sudo-path",
+		"help" : "--sudo-path=[path]             Path to sudo binary",
+		"required" : "0",
+		"default" : "/usr/bin/sudo",
+		"order": 300},
+	"snmpwalk_path" : {
+		"getopt" : ":",
+		"longopt" : "snmpwalk-path",
+		"help" : "--snmpwalk-path=[path]         Path to snmpwalk binary",
+		"required" : "0",
+		"default" : "/usr/bin/snmpwalk",
+		"order" : 300},
+	"snmpset_path" : {
+		"getopt" : ":",
+		"longopt" : "snmpset-path",
+		"help" : "--snmpset-path=[path]          Path to snmpset binary",
+		"required" : "0",
+		"default" : "/usr/bin/snmpset",
+		"order" : 300},
+	"snmpget_path" : {
+		"getopt" : ":",
+		"longopt" : "snmpget-path",
+		"help" : "--snmpget-path=[path]          Path to snmpget binary",
+		"required" : "0",
+		"default" : "/usr/bin/snmpget",
+		"order" : 300},
+	"snmp": {
+		"getopt" : "",
+		"help" : "",
+		"order" : 1},
+	"port_as_ip": {
+		"getopt" : "",
+		"longopt" : "port-as-ip",
+		"help" : "--port-as-ip                   Make \"port/plug\" to be an alias to IP address",
+		"required" : "0",
+		"order" : 200},
+	"on_target": {
+		"getopt" : "",
+		"help" : "",
+		"order" : 1},
+	"quiet": {
+		"getopt" : "q",
+		"longopt": "quiet",
+		"help" : "-q, --quiet                    Disable logging to stderr. Does not affect --verbose or --debug-file or logging to syslog.",
+		"required" : "0",
+		"order" : 50}
+}
+
+# options which are added automatically if 'key' is encountered ("default" is always added)
+DEPENDENCY_OPT = {
+		"default" : ["help", "debug", "verbose", "version", "action", "agent", \
+			"power_timeout", "shell_timeout", "login_timeout", "power_wait", "retry_on", \
+                        "delay", "quiet"],
+		"passwd" : ["passwd_script"],
+		"sudo" : ["sudo_path"],
+		"secure" : ["identity_file", "ssh_options", "ssh_path"],
+		"telnet" : ["telnet_path"],
+		"ipaddr" : ["ipport", "inet4_only", "inet6_only"],
+		"port" : ["separator"],
+		"ssl" : ["ssl_secure", "ssl_insecure", "gnutlscli_path"],
+		"snmp" : ["snmp_auth_prot", "snmp_sec_level", "snmp_priv_prot", \
+			"snmp_priv_passwd", "snmp_priv_passwd_script", "community", \
+			"snmpset_path", "snmpget_path", "snmpwalk_path"]
+	}
+
+class fspawn(pexpect.spawn):
+	def __init__(self, options, command):
+		logging.info("Running command: %s", command)
+		pexpect.spawn.__init__(self, command)
+		self.opt = options
+
+	def log_expect(self, pattern, timeout):
+		result = self.expect(pattern, timeout)
+		logging.debug("Received: %s", str(self.before) + str(self.after))
+		return result
+
+	def send(self, message):
+		logging.debug("Sent: %s", message)
+		return pexpect.spawn.send(self, message)
+
+	# send EOL according to what was detected in login process (telnet)
+	def send_eol(self, message):
+		return self.send(message + self.opt["eol"])
+
+def atexit_handler():
+	try:
+		sys.stdout.close()
+		os.close(1)
+	except IOError:
+		logging.error("%s failed to close standard output\n", sys.argv[0])
+		sys.exit(EC_GENERIC_ERROR)
+
+def _add_dependency_options(options):
+	## Add also options which are available for every fence agent
+	added_opt = []
+	for opt in options + ["default"]:
+		if DEPENDENCY_OPT.has_key(opt):
+			added_opt.extend([y for y in DEPENDENCY_OPT[opt] if options.count(y) == 0])
+
+	if not "port" in (options + added_opt) and \
+			not "nodename" in (options + added_opt) and \
+			"ipaddr" in (options + added_opt):
+		added_opt.append("port_as_ip")
+		all_opt["port"]["help"] = "-n, --plug=[ip]                IP address or hostname of fencing device " \
+			"(together with --port-as-ip)"
+
+	return added_opt
+
+def fail_usage(message="", stop=True):
+	if len(message) > 0:
+		logging.error("%s\n", message)
+	if stop:
+		logging.error("Please use '-h' for usage\n")
+		sys.exit(EC_GENERIC_ERROR)
+
+def fail(error_code):
+	message = {
+		EC_LOGIN_DENIED : "Unable to connect/login to fencing device",
+		EC_CONNECTION_LOST : "Connection lost",
+		EC_TIMED_OUT : "Connection timed out",
+		EC_WAITING_ON : "Failed: Timed out waiting to power ON",
+		EC_WAITING_OFF : "Failed: Timed out waiting to power OFF",
+		EC_STATUS : "Failed: Unable to obtain correct plug status or plug is not available",
+		EC_STATUS_HMC : "Failed: Either unable to obtain correct plug status, "
+				"partition is not available or incorrect HMC version used",
+		EC_PASSWORD_MISSING : "Failed: You have to set login password",
+		EC_INVALID_PRIVILEGES : "Failed: The user does not have the correct privileges to do the requested action."
+	}[error_code] + "\n"
+	logging.error("%s\n", message)
+	sys.exit(EC_GENERIC_ERROR)
+
+def usage(avail_opt):
+	print "Usage:"
+	print "\t" + os.path.basename(sys.argv[0]) + " [options]"
+	print "Options:"
+
+	sorted_list = [(key, all_opt[key]) for key in avail_opt]
+	sorted_list.sort(lambda x, y: cmp(x[1]["order"], y[1]["order"]))
+
+	for key, value in sorted_list:
+		if len(value["help"]) != 0:
+			print "   " + _join_wrap([value["help"]], first_indent=3)
+
+def metadata(avail_opt, docs):
+	# avail_opt has to be unique, if there are duplicities then they should be removed
+	sorted_list = [(key, all_opt[key]) for key in list(set(avail_opt))]
+	sorted_list.sort(lambda x, y: cmp(x[0], y[0]))
+	sorted_list.sort(lambda x, y: cmp(x[1]["order"], y[1]["order"]))
+
+	print "<?xml version=\"1.0\" ?>"
+	print "<resource-agent name=\"" + os.path.basename(sys.argv[0]) + \
+			"\" shortdesc=\"" + docs["shortdesc"] + "\" >"
+	for (symlink, desc) in docs.get("symlink", []):
+		print "<symlink name=\"" + symlink + "\" shortdesc=\"" + desc + "\"/>"
+	print "<longdesc>" + docs["longdesc"] + "</longdesc>"
+	print "<vendor-url>" + docs["vendorurl"] + "</vendor-url>"
+	print "<parameters>"
+	for option, _ in sorted_list:
+		if all_opt[option].has_key("help") and len(all_opt[option]["help"]) > 0:
+			print "\t<parameter name=\"" + option + "\" unique=\"0\" required=\"" + all_opt[option]["required"] + "\">"
+
+			default = ""
+			if all_opt[option].has_key("default"):
+				default = "default=\"" + _encode_html_entities(str(all_opt[option]["default"])) + "\" "
+
+			mixed = all_opt[option]["help"]
+			## split it between option and help text
+			res = re.compile(r"^(.*?--\S+)\s+", re.IGNORECASE | re.S).search(mixed)
+			if None != res:
+				mixed = res.group(1)
+			mixed = _encode_html_entities(mixed)
+
+			if not "shortdesc" in all_opt[option]:
+				shortdesc = re.sub("\s\s+", " ", all_opt[option]["help"][31:])
+			else:
+				shortdesc = all_opt[option]["shortdesc"]
+
+			print "\t\t<getopt mixed=\"" + mixed + "\" />"
+			if all_opt[option].has_key("choices"):
+				print "\t\t<content type=\"select\" "+default+" >"
+				for choice in all_opt[option]["choices"]:
+					print "\t\t\t<option value=\"%s\" />" % (choice)
+				print "\t\t</content>"
+			elif all_opt[option]["getopt"].count(":") > 0:
+				print "\t\t<content type=\"string\" "+default+" />"
+			else:
+				print "\t\t<content type=\"boolean\" "+default+" />"
+			print "\t\t<shortdesc lang=\"en\">" + shortdesc + "</shortdesc>"
+			print "\t</parameter>"
+	print "</parameters>"
+	print "<actions>"
+
+	(available_actions, _) = _get_available_actions(avail_opt)
+
+	if "on" in available_actions:
+		available_actions.remove("on")
+		on_target = ' on_target="1"' if avail_opt.count("on_target") else ''
+		print "\t<action name=\"on\"%s automatic=\"%d\"/>" % (on_target, avail_opt.count("fabric_fencing"))
+
+	for action in available_actions:
+		print "\t<action name=\"%s\" />" % (action)
+	print "</actions>"
+	print "</resource-agent>"
+
+def process_input(avail_opt):
+	avail_opt.extend(_add_dependency_options(avail_opt))
+
+	# @todo: this should be put elsewhere?
+	os.putenv("LANG", "C")
+	os.putenv("LC_ALL", "C")
+
+	if "port_as_ip" in avail_opt:
+		avail_opt.append("port")
+
+	if len(sys.argv) > 1:
+		opt = _parse_input_cmdline(avail_opt)
+	else:
+		opt = _parse_input_stdin(avail_opt)
+
+	if "--port-as-ip" in opt and "--plug" in opt:
+		opt["--ip"] = opt["--plug"]
+
+	return opt
+
+##
+## This function checks input and answers if we want to have same answers
+## in each of the fencing agents. It looks for possible errors and run
+## password script to set a correct password
+######
+def check_input(device_opt, opt, other_conditions = False):
+	device_opt.extend(_add_dependency_options(device_opt))
+
+	options = dict(opt)
+	options["device_opt"] = device_opt
+
+	_update_metadata(options)
+	options = _set_default_values(options)
+	options["--action"] = options["--action"].lower()
+
+	## In special cases (show help, metadata or version) we don't need to check anything
+	#####
+	# OCF compatibility
+	if options["--action"] == "meta-data":
+		options["--action"] = "metadata"
+
+	if options["--action"] == "metadata" or any(options.has_key(k) for k in ("--help", "--version")):
+		return options
+
+	if options.has_key("--verbose"):
+		logging.getLogger().setLevel(logging.DEBUG)
+
+	## add logging to syslog
+	logging.getLogger().addHandler(SyslogLibHandler())
+	if not options.has_key("--quiet"):
+		## add logging to stderr
+		logging.getLogger().addHandler(logging.StreamHandler(sys.stderr))
+
+	(acceptable_actions, _) = _get_available_actions(device_opt)
+
+	if 1 == device_opt.count("fabric_fencing"):
+		acceptable_actions.extend(["enable", "disable"])
+
+	if 0 == acceptable_actions.count(options["--action"]):
+		fail_usage("Failed: Unrecognised action '" + options["--action"] + "'")
+
+	## Compatibility layer
+	#####
+	if options["--action"] == "enable":
+		options["--action"] = "on"
+	if options["--action"] == "disable":
+		options["--action"] = "off"
+
+
+	if options["--action"] == "validate-all" and not other_conditions:
+		_validate_input(options, False)
+		sys.exit(EC_OK)
+	else:
+		_validate_input(options, True)
+
+	if options.has_key("--debug-file"):
+		try:
+			debug_file = logging.FileHandler(options["--debug-file"])
+			debug_file.setLevel(logging.DEBUG)
+			logging.getLogger().addHandler(debug_file)
+		except IOError:
+			logging.error("Unable to create file %s", options["--debug-file"])
+			fail_usage("Failed: Unable to create file " + options["--debug-file"])
+
+	if options.has_key("--snmp-priv-passwd-script"):
+		options["--snmp-priv-passwd"] = os.popen(options["--snmp-priv-passwd-script"]).read().rstrip()
+
+	if options.has_key("--password-script"):
+		options["--password"] = os.popen(options["--password-script"]).read().rstrip()
+
+	return options
+
+## Obtain a power status from possibly more than one plug
+##	"on" is returned if at least one plug is ON
+######
+def get_multi_power_fn(connection, options, get_power_fn):
+	status = "off"
+	plugs = options["--plugs"] if options.has_key("--plugs") else [""]
+
+	for plug in plugs:
+		try:
+			options["--uuid"] = str(uuid.UUID(plug))
+		except ValueError:
+			pass
+		except KeyError:
+			pass
+
+		options["--plug"] = plug
+		plug_status = get_power_fn(connection, options)
+		if plug_status != "off":
+			status = plug_status
+
+	return status
+
+def set_multi_power_fn(connection, options, set_power_fn, get_power_fn, retry_attempts=1):
+	plugs = options["--plugs"] if options.has_key("--plugs") else [""]
+
+	for _ in range(retry_attempts):
+		for plug in plugs:
+			try:
+				options["--uuid"] = str(uuid.UUID(plug))
+			except ValueError:
+				pass
+			except KeyError:
+				pass
+
+			options["--plug"] = plug
+			set_power_fn(connection, options)
+			time.sleep(int(options["--power-wait"]))
+
+		for _ in xrange(int(options["--power-timeout"])):
+			if get_multi_power_fn(connection, options, get_power_fn) != options["--action"]:
+				time.sleep(1)
+			else:
+				return True
+	return False
+
+def show_docs(options, docs=None):
+	device_opt = options["device_opt"]
+
+	if docs == None:
+		docs = {}
+		docs["shortdesc"] = "Fence agent"
+		docs["longdesc"] = ""
+
+	if options.has_key("--help"):
+		usage(device_opt)
+		sys.exit(0)
+
+	if options.get("--action", "") == "metadata":
+		if "port_as_ip" in device_opt:
+			device_opt.remove("separator")
+		metadata(device_opt, docs)
+		sys.exit(0)
+
+	if options.has_key("--version"):
+		print __main__.RELEASE_VERSION, __main__.BUILD_DATE
+		print __main__.REDHAT_COPYRIGHT
+		sys.exit(0)
+
+def fence_action(connection, options, set_power_fn, get_power_fn, get_outlet_list=None, reboot_cycle_fn=None):
+	result = 0
+
+	try:
+		if options.has_key("--plug"):
+			options["--plugs"] = options["--plug"].split(",")
+
+		## Process options that manipulate fencing device
+		#####
+		if (options["--action"] in ["list", "list-status"]) or \
+			((options["--action"] == "monitor") and 1 == options["device_opt"].count("port") and \
+			0 == options["device_opt"].count("port_as_ip")):
+
+			if 0 == options["device_opt"].count("port"):
+				print "N/A"
+			elif get_outlet_list == None:
+				## @todo: exception?
+				## This is just temporal solution, we will remove default value
+				## None as soon as all existing agent will support this operation
+				print "NOTICE: List option is not working on this device yet"
+			else:
+				options["--original-action"] = options["--action"]
+				options["--action"] = "list"
+				outlets = get_outlet_list(connection, options)
+				options["--action"] = options["--original-action"]
+				del options["--original-action"]
+
+				## keys can be numbers (port numbers) or strings (names of VM, UUID)
+				for outlet_id in outlets.keys():
+					(alias, status) = outlets[outlet_id]
+					if status is None or (not status.upper() in ["ON", "OFF"]):
+						status = "UNKNOWN"
+						status = status.upper()
+
+					if options["--action"] == "list":
+						print outlet_id + options["--separator"] + alias
+					elif options["--action"] == "list-status":
+						print outlet_id + options["--separator"] + alias + options["--separator"] + status
+
+			return
+
+		if options["--action"] == "monitor" and not "port" in options["device_opt"] and "no_status" in options["device_opt"]:
+			# Unable to do standard monitoring because 'status' action is not available
+			return 0
+
+		status = None
+		if not "no_status" in options["device_opt"]:
+			status = get_multi_power_fn(connection, options, get_power_fn)
+			if status != "on" and status != "off":
+				fail(EC_STATUS)
+
+		if options["--action"] == status:
+			if not (status == "on" and "force_on" in options["device_opt"]):
+				print "Success: Already %s" % (status.upper())
+				return 0
+
+		if options["--action"] == "on":
+			if set_multi_power_fn(connection, options, set_power_fn, get_power_fn, 1 + int(options["--retry-on"])):
+				print "Success: Powered ON"
+			else:
+				fail(EC_WAITING_ON)
+		elif options["--action"] == "off":
+			if set_multi_power_fn(connection, options, set_power_fn, get_power_fn):
+				print "Success: Powered OFF"
+			else:
+				fail(EC_WAITING_OFF)
+		elif options["--action"] == "reboot":
+			power_on = False
+			if options.get("--method", "").lower() == "cycle" and reboot_cycle_fn is not None:
+				for _ in range(1, 1 + int(options["--retry-on"])):
+					if reboot_cycle_fn(connection, options):
+						power_on = True
+						break
+
+				if not power_on:
+					fail(EC_TIMED_OUT)
+
+			else:
+				if status != "off":
+					options["--action"] = "off"
+					if not set_multi_power_fn(connection, options, set_power_fn, get_power_fn):
+						fail(EC_WAITING_OFF)
+
+				options["--action"] = "on"
+
+				try:
+					power_on = set_multi_power_fn(connection, options, set_power_fn, get_power_fn, int(options["--retry-on"]))
+				except Exception, ex:
+					# an error occured during power ON phase in reboot
+					# fence action was completed succesfully even in that case
+					logging.warning("%s", str(ex))
+
+			if power_on == False:
+				# this should not fail as node was fenced succesfully
+				logging.error('Timed out waiting to power ON\n')
+
+			print "Success: Rebooted"
+		elif options["--action"] == "status":
+			print "Status: " + status.upper()
+			if status.upper() == "OFF":
+				result = 2
+		elif options["--action"] == "monitor":
+			pass
+	except pexpect.EOF:
+		fail(EC_CONNECTION_LOST)
+	except pexpect.TIMEOUT:
+		fail(EC_TIMED_OUT)
+	except pycurl.error, ex:
+		logging.error("%s\n", str(ex))
+		fail(EC_TIMED_OUT)
+	except socket.timeout, ex:
+		logging.error("%s\n", str(ex))
+		fail(EC_TIMED_OUT)
+
+	return result
+
+def fence_login(options, re_login_string=r"(login\s*: )|((?!Last )Login Name:  )|(username: )|(User Name :)"):
+	run_delay(options)
+
+	if not options.has_key("eol"):
+		options["eol"] = "\r\n"
+
+	if options.has_key("--command-prompt") and type(options["--command-prompt"]) is not list:
+		options["--command-prompt"] = [options["--command-prompt"]]
+
+	try:
+		if options.has_key("--ssl"):
+			conn = _open_ssl_connection(options)
+		elif options.has_key("--ssh") and not options.has_key("--identity-file"):
+			conn = _login_ssh_with_password(options, re_login_string)
+		elif options.has_key("--ssh") and options.has_key("--identity-file"):
+			conn = _login_ssh_with_identity_file(options)
+		else:
+			conn = _login_telnet(options, re_login_string)
+	except pexpect.EOF, exception:
+		logging.debug("%s", str(exception))
+		fail(EC_LOGIN_DENIED)
+	except pexpect.TIMEOUT, exception:
+		logging.debug("%s", str(exception))
+		fail(EC_LOGIN_DENIED)
+	return conn
+
+def is_executable(path):
+	if os.path.exists(path):
+		stats = os.stat(path)
+		if stat.S_ISREG(stats.st_mode) and os.access(path, os.X_OK):
+			return True
+	return False
+
+def run_command(options, command, timeout=None, env=None, log_command=None):
+	if timeout is None and "--power-timeout" in options:
+		timeout = options["--power-timeout"]
+	if timeout is not None:
+		timeout = float(timeout)
+
+	logging.info("Executing: %s\n", log_command or command)
+
+	try:
+		process = subprocess.Popen(shlex.split(command), stdout=subprocess.PIPE, stderr=subprocess.PIPE, env=env)
+	except OSError:
+		fail_usage("Unable to run %s\n" % command)
+
+	thread = threading.Thread(target=process.wait)
+	thread.start()
+	thread.join(timeout)
+	if thread.is_alive():
+		process.kill()
+		fail(EC_TIMED_OUT)
+
+	status = process.wait()
+
+	(pipe_stdout, pipe_stderr) = process.communicate()
+	process.stdout.close()
+	process.stderr.close()
+
+	logging.debug("%s %s %s\n", str(status), str(pipe_stdout), str(pipe_stderr))
+
+	return (status, pipe_stdout, pipe_stderr)
+
+def run_delay(options):
+	## Delay is important for two-node clusters fencing but we do not need to delay 'status' operations
+	if options["--action"] in ["off", "reboot"]:
+		logging.info("Delay %s second(s) before logging in to the fence device", options["--delay"])
+		time.sleep(int(options["--delay"]))
+
+def fence_logout(conn, logout_string, sleep=0):
+	# Logout is not required part of fencing but we should attempt to do it properly
+	# In some cases our 'exit' command is faster and we can not close connection as it
+	# was already closed by fencing device
+	try:
+		conn.send_eol(logout_string)
+		time.sleep(sleep)
+		conn.close()
+	except exceptions.OSError:
+		pass
+	except pexpect.ExceptionPexpect:
+		pass
+
+# Convert array of format [[key1, value1], [key2, value2], ... [keyN, valueN]] to dict, where key is
+# in format a.b.c.d...z and returned dict has key only z
+def array_to_dict(array):
+	return dict([[x[0].split(".")[-1], x[1]] for x in array])
+
+## Own logger handler that uses old-style syslog handler as otherwise everything is sourced
+## from /dev/syslog
+class SyslogLibHandler(logging.StreamHandler):
+	"""
+	A handler class that correctly push messages into syslog
+	"""
+	def emit(self, record):
+		syslog_level = {
+			logging.CRITICAL:syslog.LOG_CRIT,
+			logging.ERROR:syslog.LOG_ERR,
+			logging.WARNING:syslog.LOG_WARNING,
+			logging.INFO:syslog.LOG_INFO,
+			logging.DEBUG:syslog.LOG_DEBUG,
+			logging.NOTSET:syslog.LOG_DEBUG,
+		}[record.levelno]
+
+		msg = self.format(record)
+
+		# syslos.syslog can not have 0x00 character inside or exception is thrown
+		syslog.syslog(syslog_level, msg.replace("\x00", "\n"))
+		return
+
+def _open_ssl_connection(options):
+	gnutls_opts = ""
+	ssl_opts = ""
+
+	if options.has_key("--notls"):
+		gnutls_opts = "--priority \"NORMAL:-VERS-TLS1.2:-VERS-TLS1.1:-VERS-TLS1.0:+VERS-SSL3.0\""
+	elif options.has_key("--tls1.0"):
+		gnutls_opts = "--priority \"NORMAL:-VERS-TLS1.2:-VERS-TLS1.1:+VERS-TLS1.0:%LATEST_RECORD_VERSION\""
+
+	# --ssl is same as the --ssl-secure; it means we want to verify certificate in these cases
+	if options.has_key("--ssl-insecure"):
+		ssl_opts = "--insecure"
+
+	command = '%s %s %s --crlf -p %s %s' % \
+		(options["--gnutlscli-path"], gnutls_opts, ssl_opts, options["--ipport"], options["--ip"])
+	try:
+		conn = fspawn(options, command)
+	except pexpect.ExceptionPexpect, ex:
+		logging.error("%s\n", str(ex))
+		sys.exit(EC_GENERIC_ERROR)
+
+	return conn
+
+def _login_ssh_with_identity_file(options):
+	if options.has_key("--inet6-only"):
+		force_ipvx = "-6 "
+	elif options.has_key("--inet4-only"):
+		force_ipvx = "-4 "
+	else:
+		force_ipvx = ""
+
+	command = '%s %s %s@%s -i %s -p %s' % \
+		(options["--ssh-path"], force_ipvx, options["--username"], options["--ip"], \
+		options["--identity-file"], options["--ipport"])
+	if options.has_key("--ssh-options"):
+		command += ' ' + options["--ssh-options"]
+
+	conn = fspawn(options, command)
+
+	result = conn.log_expect(["Enter passphrase for key '" + options["--identity-file"] + "':", \
+		"Are you sure you want to continue connecting (yes/no)?"] + \
+		options["--command-prompt"], int(options["--login-timeout"]))
+	if result == 1:
+		conn.sendline("yes")
+		result = conn.log_expect(
+			["Enter passphrase for key '" + options["--identity-file"]+"':"] + \
+			options["--command-prompt"], int(options["--login-timeout"]))
+	if result == 0:
+		if options.has_key("--password"):
+			conn.sendline(options["--password"])
+			conn.log_expect(options["--command-prompt"], int(options["--login-timeout"]))
+		else:
+			fail_usage("Failed: You have to enter passphrase (-p) for identity file")
+
+	return conn
+
+def _login_telnet(options, re_login_string):
+	re_login = re.compile(re_login_string, re.IGNORECASE)
+	re_pass = re.compile("(password)|(pass phrase)", re.IGNORECASE)
+
+	conn = fspawn(options, options["--telnet-path"])
+	conn.send("set binary\n")
+	conn.send("open %s -%s\n"%(options["--ip"], options["--ipport"]))
+
+	conn.log_expect(re_login, int(options["--login-timeout"]))
+	conn.send_eol(options["--username"])
+
+	## automatically change end of line separator
+	screen = conn.read_nonblocking(size=100, timeout=int(options["--shell-timeout"]))
+	if re_login.search(screen) != None:
+		options["eol"] = "\n"
+		conn.send_eol(options["--username"])
+		conn.log_expect(re_pass, int(options["--login-timeout"]))
+	elif re_pass.search(screen) == None:
+		conn.log_expect(re_pass, int(options["--shell-timeout"]))
+
+	try:
+		conn.send_eol(options["--password"])
+		valid_password = conn.log_expect([re_login] + \
+				options["--command-prompt"], int(options["--shell-timeout"]))
+		if valid_password == 0:
+			## password is invalid or we have to change EOL separator
+			options["eol"] = "\r"
+			conn.send_eol("")
+			screen = conn.read_nonblocking(size=100, timeout=int(options["--shell-timeout"]))
+			## after sending EOL the fence device can either show 'Login' or 'Password'
+			if re_login.search(conn.after + screen) != None:
+				conn.send_eol("")
+			conn.send_eol(options["--username"])
+			conn.log_expect(re_pass, int(options["--login-timeout"]))
+			conn.send_eol(options["--password"])
+			conn.log_expect(options["--command-prompt"], int(options["--login-timeout"]))
+	except KeyError:
+		fail(EC_PASSWORD_MISSING)
+
+	return conn
+
+def _login_ssh_with_password(options, re_login_string):
+	re_login = re.compile(re_login_string, re.IGNORECASE)
+	re_pass = re.compile("(password)|(pass phrase)", re.IGNORECASE)
+
+	if options.has_key("--inet6-only"):
+		force_ipvx = "-6 "
+	elif options.has_key("--inet4-only"):
+		force_ipvx = "-4 "
+	else:
+		force_ipvx = ""
+
+	command = '%s %s %s@%s -p %s -o PubkeyAuthentication=no' % \
+			(options["--ssh-path"], force_ipvx, options["--username"], options["--ip"], options["--ipport"])
+	if options.has_key("--ssh-options"):
+		command += ' ' + options["--ssh-options"]
+
+	conn = fspawn(options, command)
+
+	if options.has_key("telnet_over_ssh"):
+		# This is for stupid ssh servers (like ALOM) which behave more like telnet
+		# (ignore name and display login prompt)
+		result = conn.log_expect( \
+				[re_login, "Are you sure you want to continue connecting (yes/no)?"],
+				int(options["--login-timeout"]))
+		if result == 1:
+			conn.sendline("yes") # Host identity confirm
+			conn.log_expect(re_login, int(options["--login-timeout"]))
+
+		conn.sendline(options["--username"])
+		conn.log_expect(re_pass, int(options["--login-timeout"]))
+	else:
+		result = conn.log_expect( \
+				["ssword:", "Are you sure you want to continue connecting (yes/no)?"],
+				int(options["--login-timeout"]))
+		if result == 1:
+			conn.sendline("yes")
+			conn.log_expect("ssword:", int(options["--login-timeout"]))
+
+	conn.sendline(options["--password"])
+	conn.log_expect(options["--command-prompt"], int(options["--login-timeout"]))
+
+	return conn
+
+#
+# To update metadata, we change values in all_opt
+def _update_metadata(options):
+	device_opt = options["device_opt"]
+
+	if device_opt.count("login") and device_opt.count("no_login") == 0:
+		all_opt["login"]["required"] = "1"
+	else:
+		all_opt["login"]["required"] = "0"
+
+	if device_opt.count("port_as_ip"):
+		all_opt["ipaddr"]["required"] = "0"
+		all_opt["port"]["required"] = "0"
+
+	(available_actions, default_value) = _get_available_actions(device_opt)
+	all_opt["action"]["default"] = default_value
+
+	actions_with_default = \
+			[x if not x == all_opt["action"]["default"] else x + " (default)" for x in available_actions]
+	all_opt["action"]["help"] = \
+			"-o, --action=[action]          Action: %s" % (_join_wrap(actions_with_default, last_separator=" or "))
+
+	if device_opt.count("ipport"):
+		default_value = None
+		default_string = None
+
+		if all_opt["ipport"].has_key("default"):
+			default_value = all_opt["ipport"]["default"]
+		elif device_opt.count("web") and device_opt.count("ssl"):
+			default_value = "80"
+			default_string = "(default 80, 443 if --ssl option is used)"
+		elif device_opt.count("telnet") and device_opt.count("secure"):
+			default_value = "23"
+			default_string = "(default 23, 22 if --ssh option is used)"
+		else:
+			tcp_ports = {"community" : "161", "secure" : "22", "telnet" : "23", "web" : "80", "ssl" : "443"}
+			# all cases where next command returns multiple results are covered by previous blocks
+			protocol = [x for x in ["community", "secure", "ssl", "web", "telnet"] if device_opt.count(x)][0]
+			default_value = tcp_ports[protocol]
+
+		if default_string is None:
+			all_opt["ipport"]["help"] = "-u, --ipport=[port]            TCP/UDP port to use (default %s)" % \
+					(default_value)
+		else:
+			all_opt["ipport"]["help"] = "-u, --ipport=[port]            TCP/UDP port to use\n" + " "*40 + default_string
+
+def _set_default_values(options):
+	if "ipport" in options["device_opt"]:
+		if not "--ipport" in options:
+			if "default" in all_opt["ipport"]:
+				options["--ipport"] = all_opt["ipport"]["default"]
+			elif "community" in options["device_opt"]:
+				options["--ipport"] = "161"
+			elif "--ssh" in options or all_opt["secure"].get("default", "0") == "1":
+				options["--ipport"] = "22"
+			elif "--ssl" in options or all_opt["ssl"].get("default", "0") == "1":
+				options["--ipport"] = "443"
+			elif "--ssl-secure" in options or all_opt["ssl_secure"].get("default", "0") == "1":
+				options["--ipport"] = "443"
+			elif "--ssl-insecure" in options or all_opt["ssl_insecure"].get("default", "0") == "1":
+				options["--ipport"] = "443"
+			elif "web" in options["device_opt"]:
+				options["--ipport"] = "80"
+			elif "telnet" in options["device_opt"]:
+				options["--ipport"] = "23"
+
+			if "--ipport" in options:
+				all_opt["ipport"]["default"] = options["--ipport"]
+
+	for opt in options["device_opt"]:
+		if all_opt[opt].has_key("default") and not opt == "ipport":
+			getopt_long = "--" + all_opt[opt]["longopt"]
+			if not options.has_key(getopt_long):
+				options[getopt_long] = all_opt[opt]["default"]
+
+	return options
+
+# stop = True/False : exit fence agent when problem is encountered
+def _validate_input(options, stop = True):
+	device_opt = options["device_opt"]
+	valid_input = True
+
+	if not options.has_key("--username") and \
+			device_opt.count("login") and (device_opt.count("no_login") == 0):
+		valid_input = False
+		fail_usage("Failed: You have to set login name", stop)
+
+	if device_opt.count("ipaddr") and not options.has_key("--ip") and not options.has_key("--managed"):
+		valid_input = False
+		fail_usage("Failed: You have to enter fence address", stop)
+
+	if device_opt.count("no_password") == 0:
+		if 0 == device_opt.count("identity_file"):
+			if not (options.has_key("--password") or options.has_key("--password-script")):
+				valid_input = False
+				fail_usage("Failed: You have to enter password or password script", stop)
+		else:
+			if not (options.has_key("--password") or \
+					options.has_key("--password-script") or options.has_key("--identity-file")):
+				valid_input = False
+				fail_usage("Failed: You have to enter password, password script or identity file", stop)
+
+	if not options.has_key("--ssh") and options.has_key("--identity-file"):
+		valid_input = False
+		fail_usage("Failed: You have to use identity file together with ssh connection (-x)", stop)
+
+	if options.has_key("--identity-file") and not os.path.isfile(options["--identity-file"]):
+		valid_input = False
+		fail_usage("Failed: Identity file " + options["--identity-file"] + " does not exist", stop)
+
+	if (0 == ["list", "list-status", "monitor"].count(options["--action"])) and \
+		not options.has_key("--plug") and device_opt.count("port") and \
+		device_opt.count("no_port") == 0 and not device_opt.count("port_as_ip"):
+		valid_input = False
+		fail_usage("Failed: You have to enter plug number or machine identification", stop)
+
+	if options.has_key("--plug") and len(options["--plug"].split(",")) > 1 and \
+			options.has_key("--method") and options["--method"] == "cycle":
+		valid_input = False
+		fail_usage("Failed: Cannot use --method cycle for more than 1 plug", stop)
+
+	for failed_opt in _get_opts_with_invalid_choices(options):
+		valid_input = False
+		fail_usage("Failed: You have to enter a valid choice for %s from the valid values: %s" % \
+			("--" + all_opt[failed_opt]["longopt"], str(all_opt[failed_opt]["choices"])), stop)
+
+	return valid_input
+
+def _encode_html_entities(text):
+	return text.replace("&", "&amp;").replace('"', "&quot;").replace('<', "&lt;"). \
+		replace('>', "&gt;").replace("'", "&apos;")
+
+def _prepare_getopt_args(options):
+	getopt_string = ""
+	longopt_list = []
+	for k in options:
+		if all_opt.has_key(k) and all_opt[k]["getopt"] != ":":
+			# getopt == ":" means that opt is without short getopt, but has value
+			getopt_string += all_opt[k]["getopt"]
+		elif not all_opt.has_key(k):
+			fail_usage("Parse error: unknown option '"+k+"'")
+
+		if all_opt.has_key(k) and all_opt[k].has_key("longopt"):
+			if all_opt[k]["getopt"].endswith(":"):
+				longopt_list.append(all_opt[k]["longopt"] + "=")
+			else:
+				longopt_list.append(all_opt[k]["longopt"])
+
+	return (getopt_string, longopt_list)
+
+def _parse_input_stdin(avail_opt):
+	opt = {}
+	name = ""
+	for line in sys.stdin.readlines():
+		line = line.strip()
+		if (line.startswith("#")) or (len(line) == 0):
+			continue
+
+		(name, value) = (line + "=").split("=", 1)
+		value = value[:-1]
+
+		if avail_opt.count(name) == 0 and name in ["nodename"]:
+			continue
+		elif avail_opt.count(name) == 0:
+			logging.warning("Parse error: Ignoring unknown option '%s'\n", line)
+			continue
+
+		if all_opt[name]["getopt"].endswith(":"):
+			opt["--"+all_opt[name]["longopt"].rstrip(":")] = value
+		elif value.lower() in ["1", "yes", "on", "true"]:
+			opt["--"+all_opt[name]["longopt"]] = "1"
+		else:
+			logging.warning("Parse error: Ignoring option '%s' because it does not have value\n", name)
+	return opt
+
+def _parse_input_cmdline(avail_opt):
+	filtered_opts = {}
+	_verify_unique_getopt(avail_opt)
+	(getopt_string, longopt_list) = _prepare_getopt_args(avail_opt)
+
+	try:
+		(entered_opt, left_arg) = getopt.gnu_getopt(sys.argv[1:], getopt_string, longopt_list)
+		if len(left_arg) > 0:
+			logging.warning("Unused arguments on command line: %s" % (str(left_arg)))
+	except getopt.GetoptError, error:
+		fail_usage("Parse error: " + error.msg)
+
+	for opt in avail_opt:
+		filtered_opts.update({opt : all_opt[opt]})
+
+	# Short and long getopt names are changed to consistent "--" + long name (e.g. --username)
+	long_opts = {}
+	for arg_name in dict(entered_opt).keys():
+		all_key = [key for (key, value) in filtered_opts.items() \
+			if "--" + value.get("longopt", "") == arg_name or "-" + value.get("getopt", "").rstrip(":") == arg_name][0]
+		long_opts["--" + filtered_opts[all_key]["longopt"]] = dict(entered_opt)[arg_name]
+
+	# This test is specific because it does not apply to input on stdin
+	if "port_as_ip" in avail_opt and not "--port-as-ip" in long_opts and "--plug" in long_opts:
+		fail_usage("Parser error: option -n/--plug is not recognized")
+
+	return long_opts
+
+# for ["John", "Mary", "Eli"] returns "John, Mary and Eli"
+def _join2(words, normal_separator=", ", last_separator=" and "):
+	if len(words) <= 1:
+		return "".join(words)
+	else:
+		return last_separator.join([normal_separator.join(words[:-1]), words[-1]])
+
+def _join_wrap(words, normal_separator=", ", last_separator=" and ", first_indent=42):
+	x = _join2(words, normal_separator, last_separator)
+	wrapper = textwrap.TextWrapper()
+	wrapper.initial_indent = " "*first_indent
+	wrapper.subsequent_indent = " "*40
+	wrapper.width = 85
+	wrapper.break_on_hyphens = False
+	wrapper.break_long_words = False
+	wrapped_text = ""
+	for line in wrapper.wrap(x):
+		wrapped_text += line + "\n"
+	return wrapped_text.lstrip().rstrip("\n")
+
+def _get_opts_with_invalid_choices(options):
+	options_failed = []
+	device_opt = options["device_opt"]
+
+	for opt in device_opt:
+		if all_opt[opt].has_key("choices"):
+			longopt = "--" + all_opt[opt]["longopt"]
+			possible_values_upper = [y.upper() for y in all_opt[opt]["choices"]]
+			if options.has_key(longopt):
+				options[longopt] = options[longopt].upper()
+				if not options["--" + all_opt[opt]["longopt"]] in possible_values_upper:
+					options_failed.append(opt)
+	return options_failed
+
+def _verify_unique_getopt(avail_opt):
+	used_getopt = set()
+
+	for opt in avail_opt:
+		getopt_value = all_opt[opt].get("getopt", "").rstrip(":")
+		if getopt_value and getopt_value in used_getopt:
+			fail_usage("Short getopt for %s (-%s) is not unique" % (opt, getopt_value))
+		else:
+			used_getopt.add(getopt_value)
+
+def _get_available_actions(device_opt):
+	available_actions = ["on", "off", "reboot", "status", "list", "list-status", \
+		"monitor", "metadata", "validate-all"]
+	default_value = "reboot"
+
+	if device_opt.count("fabric_fencing"):
+		available_actions.remove("reboot")
+		default_value = "off"
+	if device_opt.count("no_status"):
+		available_actions.remove("status")
+	if device_opt.count("no_on"):
+		available_actions.remove("on")
+	if device_opt.count("no_off"):
+		available_actions.remove("off")
+	if not device_opt.count("separator"):
+		available_actions.remove("list")
+		available_actions.remove("list-status")
+
+	return (available_actions, default_value)