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diff --git a/lib/fencing.py.py b/lib/fencing.py.py
index 4a41af02..4639a9a5 100644
--- a/lib/fencing.py.py
+++ b/lib/fencing.py.py
@@ -1,1575 +1,1581 @@
#!@PYTHON@ -tt
import sys, getopt, time, os, uuid, pycurl, stat
import pexpect, re, syslog
import logging
import subprocess
import threading
import shlex
import socket
import textwrap
import __main__
+import itertools
+
RELEASE_VERSION = "@RELEASE_VERSION@"
__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
EC_FETCH_VM_UUID = 12
LOG_FORMAT = "%(asctime)-15s %(levelname)s: %(message)s"
all_opt = {
"help" : {
"getopt" : "h",
"longopt" : "help",
"help" : "-h, --help Display this help and exit",
"required" : "0",
"shortdesc" : "Display help and exit",
"order" : 55},
"version" : {
"getopt" : "V",
"longopt" : "version",
"help" : "-V, --version Display version information and exit",
"required" : "0",
"shortdesc" : "Display version information and exit",
"order" : 54},
"verbose" : {
"getopt" : "v",
"longopt" : "verbose",
"help" : "-v, --verbose Verbose mode. "
"Multiple -v flags can be stacked on the command line "
"(e.g., -vvv) to increase verbosity.",
"required" : "0",
"order" : 51},
"verbose_level" : {
"getopt" : ":",
"longopt" : "verbose-level",
"type" : "integer",
"help" : "--verbose-level "
"Level of debugging detail in output. Defaults to the "
"number of --verbose flags specified on the command "
"line, or to 1 if verbose=1 in a stonith device "
"configuration (i.e., on stdin).",
"required" : "0",
"order" : 52},
"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" : 53},
"delay" : {
"getopt" : ":",
"longopt" : "delay",
"type" : "second",
"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",
"type" : "integer",
"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" : 1},
"diag" : {
"getopt" : "",
"help" : "",
"order" : 1},
"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",
"type" : "second",
"help" : "--login-timeout=[seconds] Wait X seconds for cmd prompt after login",
"default" : "5",
"required" : "0",
"order" : 200},
"shell_timeout" : {
"getopt" : ":",
"longopt" : "shell-timeout",
"type" : "second",
"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",
"type" : "second",
"help" : "--power-timeout=[seconds] Test X seconds for status change after ON/OFF",
"default" : "20",
"required" : "0",
"order" : 200},
"disable_timeout" : {
"getopt" : ":",
"longopt" : "disable-timeout",
"help" : "--disable-timeout=[true/false] Disable timeout (true/false) (default: true when run from Pacemaker 2.0+)",
"required" : "0",
"order" : 200},
"power_wait" : {
"getopt" : ":",
"longopt" : "power-wait",
"type" : "second",
"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",
"type" : "integer",
"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" : "@TELNET_PATH@",
"order": 300},
"ssh_path" : {
"getopt" : ":",
"longopt" : "ssh-path",
"help" : "--ssh-path=[path] Path to ssh binary",
"required" : "0",
"default" : "@SSH_PATH@",
"order": 300},
"gnutlscli_path" : {
"getopt" : ":",
"longopt" : "gnutlscli-path",
"help" : "--gnutlscli-path=[path] Path to gnutls-cli binary",
"required" : "0",
"default" : "@GNUTLSCLI_PATH@",
"order": 300},
"sudo_path" : {
"getopt" : ":",
"longopt" : "sudo-path",
"help" : "--sudo-path=[path] Path to sudo binary",
"required" : "0",
"default" : "@SUDO_PATH@",
"order": 300},
"snmpwalk_path" : {
"getopt" : ":",
"longopt" : "snmpwalk-path",
"help" : "--snmpwalk-path=[path] Path to snmpwalk binary",
"required" : "0",
"default" : "@SNMPWALK_PATH@",
"order" : 300},
"snmpset_path" : {
"getopt" : ":",
"longopt" : "snmpset-path",
"help" : "--snmpset-path=[path] Path to snmpset binary",
"required" : "0",
"default" : "@SNMPSET_PATH@",
"order" : 300},
"snmpget_path" : {
"getopt" : ":",
"longopt" : "snmpget-path",
"help" : "--snmpget-path=[path] Path to snmpget binary",
"required" : "0",
"default" : "@SNMPGET_PATH@",
"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", "verbose_level",
"version", "action", "agent", "power_timeout",
"shell_timeout", "login_timeout", "disable_timeout",
"power_wait", "retry_on", "delay", "quiet"],
"passwd" : ["passwd_script"],
"sudo" : ["sudo_path"],
"secure" : ["identity_file", "ssh_options", "ssh_path", "inet4_only", "inet6_only"],
"telnet" : ["telnet_path"],
"ipaddr" : ["ipport"],
"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, **kwargs):
if sys.version_info[0] > 2:
kwargs.setdefault('encoding', 'utf-8')
logging.info("Running command: %s", command)
pexpect.spawn.__init__(self, command, **kwargs)
self.opt = options
def log_expect(self, pattern, timeout):
result = self.expect(pattern, timeout)
logging.debug("Received: %s", self.before + 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 frun(command, timeout=30, withexitstatus=False, events=None,
extra_args=None, logfile=None, cwd=None, env=None, **kwargs):
if sys.version_info[0] > 2:
kwargs.setdefault('encoding', 'utf-8')
return pexpect.run(command, timeout=timeout,
withexitstatus=withexitstatus, events=events,
extra_args=extra_args, logfile=logfile, cwd=cwd,
env=env, **kwargs)
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 opt in DEPENDENCY_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, stop=True):
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.",
EC_FETCH_VM_UUID : "Failed: Can not find VM UUID by its VM name given in the <plug> parameter."
}[error_code] + "\n"
logging.error("%s\n", message)
if stop:
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(key=lambda x: x[1]["order"])
for key, value in sorted_list:
if len(value["help"]) != 0:
print(" " + _join_wrap([value["help"]], first_indent=3))
def metadata(options, 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)) if "longopt" in all_opt[key]]
# Find keys that are going to replace inconsistent names
mapping = dict([(opt["longopt"].replace("-", "_"), key) for (key, opt) in sorted_list if (key != opt["longopt"].replace("-", "_"))])
new_options = [(key, all_opt[mapping[key]]) for key in mapping]
sorted_list.extend(new_options)
sorted_list.sort(key=lambda x: (x[1]["order"], x[0]))
if options["--action"] == "metadata":
docs["longdesc"] = re.sub("\\\\f[BPIR]|\.P|\.TP|\.br\n", "", docs["longdesc"])
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 (key, opt) in sorted_list:
info = ""
if key in all_opt:
if key != all_opt[key].get('longopt', key).replace("-", "_"):
info = "deprecated=\"1\""
else:
info = "obsoletes=\"%s\"" % (mapping.get(key))
if "help" in opt and len(opt["help"]) > 0:
if info != "":
info = " " + info
print("\t<parameter name=\"" + key + "\" unique=\"0\" required=\"" + opt["required"] + "\"" + info + ">")
default = ""
if "default" in opt:
default = "default=\"" + _encode_html_entities(str(opt["default"])) + "\" "
mixed = opt["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 opt:
shortdesc = re.sub("\s\s+", " ", opt["help"][31:])
else:
shortdesc = opt["shortdesc"]
print("\t\t<getopt mixed=\"" + mixed + "\" />")
if "choices" in opt:
print("\t\t<content type=\"select\" "+default+" >")
for choice in opt["choices"]:
print("\t\t\t<option value=\"%s\" />" % (choice))
print("\t\t</content>")
elif opt["getopt"].count(":") > 0:
t = opt.get("type", "string")
print("\t\t<content type=\"%s\" " % (t) +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"] in ["metadata", "manpage"] or any(k in options for k in ("--help", "--version")):
return options
try:
options["--verbose-level"] = int(options["--verbose-level"])
except ValueError:
options["--verbose-level"] = -1
if options["--verbose-level"] < 0:
logging.warning("Parse error: Option 'verbose_level' must "
"be an integer greater than or equal to 0. "
"Setting verbose_level to 0.")
options["--verbose-level"] = 0
if options["--verbose-level"] == 0 and "--verbose" in options:
logging.warning("Parse error: Ignoring option 'verbose' "
"because it conflicts with verbose_level=0")
del options["--verbose"]
if options["--verbose-level"] > 0:
# Ensure verbose key exists
options["--verbose"] = 1
if "--verbose" in options:
logging.getLogger().setLevel(logging.DEBUG)
formatter = logging.Formatter(LOG_FORMAT)
## add logging to syslog
logging.getLogger().addHandler(SyslogLibHandler())
if "--quiet" not in options:
## add logging to stderr
stderrHandler = logging.StreamHandler(sys.stderr)
stderrHandler.setFormatter(formatter)
logging.getLogger().addHandler(stderrHandler)
(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:
if not _validate_input(options, False):
fail_usage("validate-all failed")
sys.exit(EC_OK)
else:
_validate_input(options, True)
if "--debug-file" in options:
try:
debug_file = logging.FileHandler(options["--debug-file"])
debug_file.setLevel(logging.DEBUG)
debug_file.setFormatter(formatter)
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 "--snmp-priv-passwd-script" in options:
options["--snmp-priv-passwd"] = os.popen(options["--snmp-priv-passwd-script"]).read().rstrip()
if "--password-script" in options:
options["--password"] = os.popen(options["--password-script"]).read().rstrip()
if os.environ.get("PCMK_service") == "pacemaker-fenced" and "--disable-timeout" not in options:
options["--disable-timeout"] = "1"
if options.get("--disable-timeout", "").lower() in ["1", "yes", "on", "true"]:
options["--power-timeout"] = options["--shell-timeout"] = options["--login-timeout"] = 0
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 "--plugs" in options 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 async_set_multi_power_fn(connection, options, set_power_fn, get_power_fn, retry_attempts):
plugs = options["--plugs"] if "--plugs" in options 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 range(int(options["--power-timeout"])):
+ for _ in itertools.count(1):
if get_multi_power_fn(connection, options, get_power_fn) != options["--action"]:
time.sleep(1)
else:
return True
+
+ if int(options["--power-timeout"]) > 0 and _ >= int(options["--power-timeout"]):
+ break
+
return False
def sync_set_multi_power_fn(connection, options, sync_set_power_fn, retry_attempts):
success = True
plugs = options["--plugs"] if "--plugs" in options else [""]
for plug in plugs:
try:
options["--uuid"] = str(uuid.UUID(plug))
except ValueError:
pass
except KeyError:
pass
options["--plug"] = plug
for retry in range(retry_attempts):
if sync_set_power_fn(connection, options):
break
if retry == retry_attempts-1:
success = False
time.sleep(int(options["--power-wait"]))
return success
def set_multi_power_fn(connection, options, set_power_fn, get_power_fn, sync_set_power_fn, retry_attempts=1):
if set_power_fn != None:
if get_power_fn != None:
return async_set_multi_power_fn(connection, options, set_power_fn, get_power_fn, retry_attempts)
elif sync_set_power_fn != None:
return sync_set_multi_power_fn(connection, options, sync_set_power_fn, retry_attempts)
return False
def show_docs(options, docs=None):
device_opt = options["device_opt"]
if docs == None:
docs = {}
docs["shortdesc"] = "Fence agent"
docs["longdesc"] = ""
if "--help" in options:
usage(device_opt)
sys.exit(0)
if options.get("--action", "") in ["metadata", "manpage"]:
if "port_as_ip" in device_opt:
device_opt.remove("separator")
metadata(options, device_opt, docs)
sys.exit(0)
if "--version" in options:
print(RELEASE_VERSION)
sys.exit(0)
def fence_action(connection, options, set_power_fn, get_power_fn, get_outlet_list=None, reboot_cycle_fn=None, sync_set_power_fn=None):
result = 0
try:
if "--plug" in options:
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 list(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, sync_set_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, sync_set_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, sync_set_power_fn):
fail(EC_WAITING_OFF)
options["--action"] = "on"
try:
power_on = set_multi_power_fn(connection, options, set_power_fn, get_power_fn, sync_set_power_fn, int(options["--retry-on"]))
except Exception as ex:
# an error occured during power ON phase in reboot
# fence action was completed succesfully even in that case
logging.warning("%s", str(ex))
# switch back to original action for the case it is used lateron
options["--action"] = "reboot"
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 as ex:
logging.error("%s\n", str(ex))
fail(EC_TIMED_OUT)
except socket.timeout as 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 "eol" not in options:
options["eol"] = "\r\n"
if "--command-prompt" in options and type(options["--command-prompt"]) is not list:
options["--command-prompt"] = [options["--command-prompt"]]
try:
if "--ssl" in options:
conn = _open_ssl_connection(options)
elif "--ssh" in options and "--identity-file" not in options:
conn = _login_ssh_with_password(options, re_login_string)
elif "--ssh" in options and "--identity-file" in options:
conn = _login_ssh_with_identity_file(options)
else:
conn = _login_telnet(options, re_login_string)
except pexpect.EOF as exception:
logging.debug("%s", str(exception))
fail(EC_LOGIN_DENIED)
except pexpect.TIMEOUT as 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,
# decodes newlines and in python3 also converts bytes to str
universal_newlines=(sys.version_info[0] > 2))
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, stop=(int(options.get("retry", 0)) < 1))
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, reserve=0, result=0):
## Delay is important for two-node clusters fencing
## but we do not need to delay 'status' operations
## and get us out quickly if we already know that we are gonna fail
## still wanna do something right before fencing? - reserve some time
if options["--action"] in ["off", "reboot"] \
and options["--delay"] != "0" \
and result == 0 \
and reserve >= 0:
time_left = 1 + int(options["--delay"]) - (time.time() - run_delay.time_start) - reserve
if time_left > 0:
logging.info("Delay %d second(s) before logging in to the fence device", time_left)
time.sleep(time_left)
# mark time when fence-agent is started
run_delay.time_start = time.time()
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 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 "--notls" in options:
gnutls_opts = "--priority \"NORMAL:-VERS-TLS1.2:-VERS-TLS1.1:-VERS-TLS1.0:+VERS-SSL3.0\""
elif "--tls1.0" in options:
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 "--ssl-insecure" in options:
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 as ex:
logging.error("%s\n", str(ex))
sys.exit(EC_GENERIC_ERROR)
return conn
def _login_ssh_with_identity_file(options):
if "--inet6-only" in options:
force_ipvx = "-6 "
elif "--inet4-only" in options:
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 "--ssh-options" in 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 "--password" in options:
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 "--inet6-only" in options:
force_ipvx = "-6 "
elif "--inet4-only" in options:
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 "--ssh-options" in options:
command += ' ' + options["--ssh-options"]
conn = fspawn(options, command)
if "telnet_over_ssh" in options:
# 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 "default" in all_opt["ipport"]:
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 "default" in all_opt[opt] and not opt == "ipport":
getopt_long = "--" + all_opt[opt]["longopt"]
if getopt_long not in options:
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 "--username" not in options 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 "--ip" not in options and "--managed" not in options and "--target" not in options:
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 ("--password" in options or "--password-script" in options):
valid_input = False
fail_usage("Failed: You have to enter password or password script", stop)
else:
if not ("--password" in options or \
"--password-script" in options or "--identity-file" in options):
valid_input = False
fail_usage("Failed: You have to enter password, password script or identity file", stop)
if "--ssh" not in options and "--identity-file" in options:
valid_input = False
fail_usage("Failed: You have to use identity file together with ssh connection (-x)", stop)
if "--identity-file" in options 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 \
"--plug" not in options 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 "--plug" in options and len(options["--plug"].split(",")) > 1 and \
"--method" in options 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)
for failed_opt in _get_opts_with_invalid_types(options):
valid_input = False
if all_opt[failed_opt]["type"] == "second":
fail_usage("Failed: The value you have entered for %s is not a valid time in seconds" % \
("--" + all_opt[failed_opt]["longopt"]), stop)
else:
fail_usage("Failed: The value you have entered for %s is not a valid %s" % \
("--" + all_opt[failed_opt]["longopt"], all_opt[failed_opt]["type"]), 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 k in all_opt and all_opt[k]["getopt"] != ":":
# getopt == ":" means that opt is without short getopt, but has value
getopt_string += all_opt[k]["getopt"]
elif k not in all_opt:
fail_usage("Parse error: unknown option '"+k+"'")
if k in all_opt and "longopt" in all_opt[k]:
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 = ""
mapping_longopt_names = dict([(all_opt[o].get("longopt"), o) for o in avail_opt])
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]
value = re.sub("^\"(.*)\"$", "\\1", value)
if name.replace("-", "_") in mapping_longopt_names:
name = mapping_longopt_names[name.replace("-", "_")]
elif name.replace("_", "-") in mapping_longopt_names:
name = mapping_longopt_names[name.replace("_", "-")]
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)
opt.setdefault("--verbose-level", opt.get("--verbose", 0))
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 as 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 = {}
verbose_count = 0
for arg_name in [k for (k, v) in entered_opt]:
all_key = [key for (key, value) in list(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]
if all_key == "verbose":
verbose_count += 1
long_opts.setdefault("--verbose-level", verbose_count)
# 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 "choices" in all_opt[opt]:
longopt = "--" + all_opt[opt]["longopt"]
possible_values_upper = [y.upper() for y in all_opt[opt]["choices"]]
if longopt in options:
options[longopt] = options[longopt].upper()
if not options["--" + all_opt[opt]["longopt"]] in possible_values_upper:
options_failed.append(opt)
return options_failed
def _get_opts_with_invalid_types(options):
options_failed = []
device_opt = options["device_opt"]
for opt in device_opt:
if "type" in all_opt[opt]:
longopt = "--" + all_opt[opt]["longopt"]
if longopt in options:
if all_opt[opt]["type"] in ["integer", "second"]:
try:
number = int(options["--" + all_opt[opt]["longopt"]])
except ValueError:
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", "manpage", "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")
if device_opt.count("diag"):
available_actions.append("diag")
return (available_actions, default_value)

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