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-rw-r--r--lib/fencing.py.py1748
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diff --git a/lib/fencing.py.py b/lib/fencing.py.py
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--- /dev/null
+++ b/lib/fencing.py.py
@@ -0,0 +1,1748 @@
+#!@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},
+ "plug_separator" : {
+ "getopt" : ":",
+ "longopt" : "plug-separator",
+ "help" : "--plug-separator=[char] Separator for plug parameter when specifying more than 1 plug",
+ "default" : ",",
+ "required" : "0",
+ "order" : 100},
+ "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},
+ "stonith_status_sleep" : {
+ "getopt" : ":",
+ "longopt" : "stonith-status-sleep",
+ "type" : "second",
+ "help" : "--stonith-status-sleep=[seconds] Sleep X seconds between status calls during a STONITH action",
+ "default" : "1",
+ "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", "stonith_status_sleep", "retry_on", "delay",
+ "plug_separator", "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 if timeout != 0 else None)
+ logging.debug("Received: %s", self.before + self.after)
+ return result
+
+ def read_nonblocking(self, size, timeout):
+ return pexpect.spawn.read_nonblocking(self, size=100, timeout=timeout if timeout != 0 else None)
+
+ 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 if timeout != 0 else None,
+ 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 "--ssl-secure" in options or "--ssl-insecure" in options:
+ options["--ssl"] = ""
+
+ if "--ssl" in options and "--ssl-insecure" not in options:
+ options["--ssl-secure"] = ""
+
+ 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 itertools.count(1):
+ if get_multi_power_fn(connection, options, get_power_fn) != options["--action"]:
+ time.sleep(int(options["--stonith-status-sleep"]))
+ 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 multi_reboot_cycle_fn(connection, options, reboot_cycle_fn, retry_attempts=1):
+ 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 reboot_cycle_fn(connection, options):
+ break
+ if retry == retry_attempts-1:
+ success = False
+ time.sleep(int(options["--power-wait"]))
+
+ return success
+
+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(options["--plug-separator"])
+
+ ## 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":
+ try:
+ print(outlet_id + options["--separator"] + alias)
+ except UnicodeEncodeError as e:
+ print((outlet_id + options["--separator"] + alias).encode("utf-8"))
+ elif options["--action"] == "list-status":
+ try:
+ print(outlet_id + options["--separator"] + alias + options["--separator"] + status)
+ except UnicodeEncodeError as e:
+ print((outlet_id + options["--separator"] + alias).encode("utf-8") + 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:
+ try:
+ power_on = multi_reboot_cycle_fn(connection, options, reboot_cycle_fn, 1 + int(options["--retry-on"]))
+ except Exception as ex:
+ # an error occured during reboot action
+ logging.warning("%s", str(ex))
+
+ 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_commands(options, commands, timeout=None, env=None, log_command=None):
+ # inspired by psutils.wait_procs (BSD License)
+ def check_gone(proc, timeout):
+ try:
+ returncode = proc.wait(timeout=timeout)
+ except subprocess.TimeoutExpired:
+ pass
+ else:
+ if returncode is not None or not proc.is_running():
+ proc.returncode = returncode
+ gone.add(proc)
+
+ if timeout is None and "--power-timeout" in options:
+ timeout = options["--power-timeout"]
+ if timeout == 0:
+ timeout = None
+ if timeout is not None:
+ timeout = float(timeout)
+
+ time_start = time.time()
+ procs = []
+ status = None
+ pipe_stdout = ""
+ pipe_stderr = ""
+
+ for command in commands:
+ 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)
+
+ procs.append(process)
+
+ gone = set()
+ alive = set(procs)
+
+ while True:
+ if alive:
+ max_timeout = 2.0 / len(alive)
+ for proc in alive:
+ if timeout is not None:
+ if time.time()-time_start >= timeout:
+ # quickly go over the rest
+ max_timeout = 0
+ check_gone(proc, max_timeout)
+ alive = alive - gone
+
+ if not alive:
+ break
+
+ if time.time()-time_start < 5.0:
+ # give it at least 5s to get a complete answer
+ # afterwards we're OK with a quorate answer
+ continue
+
+ if len(gone) > len(alive):
+ good_cnt = 0
+ for proc in gone:
+ if proc.returncode == 0:
+ good_cnt += 1
+ # a positive result from more than half is fine
+ if good_cnt > len(procs)/2:
+ break
+
+ if timeout is not None:
+ if time.time() - time_start >= timeout:
+ logging.debug("Stop waiting after %s\n", str(timeout))
+ break
+
+ logging.debug("Done: %d gone, %d alive\n", len(gone), len(alive))
+
+ for proc in gone:
+ if (status != 0):
+ status = proc.returncode
+ # hand over the best status we have
+ # but still collect as much stdout/stderr feedback
+ # avoid communicate as we know already process
+ # is gone and it seems to block when there
+ # are D state children we don't get rid off
+ os.set_blocking(proc.stdout.fileno(), False)
+ os.set_blocking(proc.stderr.fileno(), False)
+ try:
+ pipe_stdout += proc.stdout.read()
+ except:
+ pass
+ try:
+ pipe_stderr += proc.stderr.read()
+ except:
+ pass
+ proc.stdout.close()
+ proc.stderr.close()
+
+ for proc in alive:
+ proc.kill()
+
+ if status is None:
+ fail(EC_TIMED_OUT, stop=(int(options.get("retry", 0)) < 1))
+ status = EC_TIMED_OUT
+ pipe_stdout = ""
+ pipe_stderr = "timed out"
+
+ logging.debug("%s %s %s\n", str(status), str(pipe_stdout), str(pipe_stderr))
+
+ return (status, pipe_stdout, pipe_stderr)
+
+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 timeout else None)
+ 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
+
+def source_env(env_file):
+ # POSIX: name shall not contain '=', value doesn't contain '\0'
+ output = subprocess.check_output("source {} && env -0".format(env_file), shell=True,
+ executable="/bin/sh")
+ # replace env
+ os.environ.clear()
+ os.environ.update(line.partition('=')[::2] for line in output.decode("utf-8").split('\0') if not re.match("^\s*$", line))
+
+# 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)
+
+ 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"
+ elif value.lower() in ["0", "no", "off", "false"]:
+ opt["--"+all_opt[name]["longopt"]] = "0"
+ 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)
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-10 20:13:46 +0000