/usr/sbin/fence_sanbox2 is in fence-agents 4.0.25-2ubuntu1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 | #!/usr/bin/python -tt
#####
##
## The Following Agent Has Been Tested On:
##
## Version Firmware
## +-----------------+---------------------------+
#####
import sys, re, pexpect
import logging
import atexit
sys.path.append("/usr/share/fence")
from fencing import *
from fencing import fail, EC_TIMED_OUT, EC_GENERIC_ERROR
#BEGIN_VERSION_GENERATION
RELEASE_VERSION="4.0.25"
BUILD_DATE="(built Sat, 10 Feb 2018 00:55:27 -0800)"
REDHAT_COPYRIGHT="Copyright (C) Red Hat, Inc. 2004-2010 All rights reserved."
#END_VERSION_GENERATION
def get_power_status(conn, options):
status_trans = {
'online' : "on",
'offline' : "off"
}
try:
conn.send_eol("show port " + options["--plug"])
conn.log_expect(options["--command-prompt"], int(options["--shell-timeout"]))
except pexpect.TIMEOUT:
try:
conn.send_eol("admin end")
conn.send_eol("exit")
conn.close()
except Exception:
pass
fail(EC_TIMED_OUT)
status = re.compile(r".*AdminState\s+(online|offline)\s+",
re.IGNORECASE | re.MULTILINE).search(conn.before).group(1)
try:
return status_trans[status.lower().strip()]
except KeyError:
return "PROBLEM"
def set_power_status(conn, options):
action = {
'on' : "online",
'off' : "offline"
}[options["--action"]]
try:
conn.send_eol("set port " + options["--plug"] + " state " + action)
conn.log_expect(options["--command-prompt"], int(options["--power-timeout"]))
except pexpect.TIMEOUT:
try:
conn.send_eol("admin end")
conn.send_eol("exit")
conn.close()
except Exception:
pass
fail(EC_TIMED_OUT)
try:
conn.send_eol("set port " + options["--plug"] + " state " + action)
conn.log_expect(options["--command-prompt"], int(options["--power-timeout"]))
except pexpect.TIMEOUT:
try:
conn.send_eol("admin end")
conn.send_eol("exit")
conn.close()
except Exception:
pass
fail(EC_TIMED_OUT)
def get_list_devices(conn, options):
outlets = {}
try:
conn.send_eol("show port")
conn.log_expect(options["--command-prompt"], int(options["--shell-timeout"]))
list_re = re.compile(r"^\s+(\d+?)\s+(Online|Offline)\s+", re.IGNORECASE)
for line in conn.before.splitlines():
if list_re.search(line):
status = {
'online' : "ON",
'offline' : "OFF"
}[list_re.search(line).group(2).lower()]
outlets[list_re.search(line).group(1)] = ("", status)
except pexpect.TIMEOUT:
try:
conn.send_eol("admin end")
conn.send_eol("exit")
conn.close()
except Exception:
pass
fail(EC_TIMED_OUT)
return outlets
def main():
device_opt = ["fabric_fencing", "ipaddr", "login", "passwd", "cmd_prompt", \
"port", "telnet"]
atexit.register(atexit_handler)
all_opt["cmd_prompt"]["default"] = [" #> "]
options = check_input(device_opt, process_input(device_opt))
docs = {}
docs["shortdesc"] = "Fence agent for QLogic SANBox2 FC switches"
docs["longdesc"] = "fence_sanbox2 is an I/O Fencing agent which can be used with \
QLogic SANBox2 FC switches. It logs into a SANBox2 switch via telnet and disables a specified \
port. Disabling the port which a machine is connected to effectively fences that machine. \
Lengthy telnet connections to the switch should be avoided while a GFS cluster is running \
because the connection will block any necessary fencing actions."
docs["vendorurl"] = "http://www.qlogic.com"
show_docs(options, docs)
##
## Operate the fencing device
##
conn = fence_login(options)
conn.send_eol("admin start")
conn.log_expect(options["--command-prompt"], int(options["--shell-timeout"]))
if re.search(r"\(admin\)", conn.before, re.MULTILINE) == None:
## Someone else is in admin section, we can't enable/disable
## ports so we will rather exit
logging.error("Failed: Unable to switch to admin section\n")
sys.exit(EC_GENERIC_ERROR)
result = fence_action(conn, options, set_power_status, get_power_status, get_list_devices)
##
## Logout from system
######
try:
conn.send_eol("admin end")
conn.send_eol("exit\n")
conn.close()
except OSError:
pass
except pexpect.ExceptionPexpect:
pass
sys.exit(result)
if __name__ == "__main__":
main()
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