/usr/sbin/fence_zvmip is in fence-agents 4.0.22-2.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 | #!/usr/bin/python -tt
import sys
import atexit
import socket
import struct
import logging
sys.path.append("/usr/share/fence")
from fencing import *
from fencing import fail, fail_usage, run_delay, EC_LOGIN_DENIED, EC_TIMED_OUT
#BEGIN_VERSION_GENERATION
RELEASE_VERSION="4.0.22"
BUILD_DATE="(built Sat, 06 Feb 2016 12:34:18 +0100)"
REDHAT_COPYRIGHT="Copyright (C) Red Hat, Inc. 2004-2010 All rights reserved."
#END_VERSION_GENERATION
INT4 = 4
def open_socket(options):
try:
if "--inet6-only" in options:
protocol = socket.AF_INET6
elif "--inet4-only" in options:
protocol = socket.AF_INET
else:
protocol = 0
(_, _, _, _, addr) = socket.getaddrinfo( \
options["--ip"], options["--ipport"], protocol,
0, socket.IPPROTO_TCP, socket.AI_PASSIVE
)[0]
except socket.gaierror:
fail(EC_LOGIN_DENIED)
conn = socket.socket()
conn.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
conn.settimeout(float(options["--shell-timeout"]))
try:
conn.connect(addr)
except socket.error:
fail(EC_LOGIN_DENIED)
return conn
def smapi_pack_string(string):
return struct.pack("!i%ds" % (len(string)), len(string), string)
def prepare_smapi_command(options, smapi_function, additional_args):
packet_size = 3*INT4 + len(smapi_function) + len(options["--username"]) + len(options["--password"])
for arg in additional_args:
packet_size += INT4 + len(arg)
command = struct.pack("!i", packet_size)
command += smapi_pack_string(smapi_function)
command += smapi_pack_string(options["--username"])
command += smapi_pack_string(options["--password"])
for arg in additional_args:
command += smapi_pack_string(arg)
return command
def get_power_status(conn, options):
del conn
if options.get("--original-action", None) == "monitor":
(return_code, reason_code, images_active) = \
get_list_of_images(options, "Check_Authentication", None)
logging.debug("Check_Authenticate (%d,%d)", return_code, reason_code)
if return_code == 0:
return {}
else:
fail(EC_LOGIN_DENIED)
if options["--action"] == "list":
# '*' = list all active images
options["--plug"] = "*"
(return_code, reason_code, images_active) = \
get_list_of_images(options, "Image_Status_Query", options["--plug"])
logging.debug("Image_Status_Query results are (%d,%d)", return_code, reason_code)
if not options["--action"] == "list":
if (return_code == 0) and (reason_code == 0):
return "on"
elif (return_code == 0) and (reason_code == 12):
# We are running always with --missing-as-off because we can not check if image
# is defined or not (look at rhbz#1188750)
return "off"
else:
return "unknown"
else:
(return_code, reason_code, images_defined) = \
get_list_of_images(options, "Image_Name_Query_DM", options["--username"])
logging.debug("Image_Name_Query_DM results are (%d,%d)", return_code, reason_code)
return dict([(i, ("", "on" if i in images_active else "off")) for i in images_defined])
def set_power_status(conn, options):
conn = open_socket(options)
packet = None
if options["--action"] == "on":
packet = prepare_smapi_command(options, "Image_Activate", [options["--plug"]])
elif options["--action"] == "off":
packet = prepare_smapi_command(options, "Image_Deactivate", [options["--plug"], "IMMED"])
conn.send(packet)
request_id = struct.unpack("!i", conn.recv(INT4))[0]
(output_len, request_id, return_code, reason_code) = struct.unpack("!iiii", conn.recv(INT4 * 4))
logging.debug("Image_(De)Activate results are (%d,%d)", return_code, reason_code)
conn.close()
return
def get_list_of_images(options, command, data_as_plug):
conn = open_socket(options)
if data_as_plug is None:
packet = prepare_smapi_command(options, command, [])
else:
packet = prepare_smapi_command(options, command, [data_as_plug])
conn.send(packet)
request_id = struct.unpack("!i", conn.recv(INT4))[0]
(output_len, request_id, return_code, reason_code) = struct.unpack("!iiii", conn.recv(INT4 * 4))
images = set()
if output_len > 3*INT4:
array_len = struct.unpack("!i", conn.recv(INT4))[0]
data = ""
while True:
read_data = conn.recv(1024, socket.MSG_WAITALL)
data += read_data
if array_len == len(data):
break
elif not read_data:
logging.error("Failed: Not enough data read from socket")
fail(EC_TIMED_OUT)
parsed_len = 0
while parsed_len < array_len:
string_len = struct.unpack("!i", data[parsed_len:parsed_len+INT4])[0]
parsed_len += INT4
image_name = struct.unpack("!%ds" % (string_len), data[parsed_len:parsed_len+string_len])[0]
parsed_len += string_len
images.add(image_name)
conn.close()
return (return_code, reason_code, images)
def main():
device_opt = ["ipaddr", "login", "passwd", "port", "method", "missing_as_off"]
atexit.register(atexit_handler)
all_opt["ipport"]["default"] = "44444"
all_opt["shell_timeout"]["default"] = "5.0"
all_opt["missing_as_off"]["default"] = "1"
options = check_input(device_opt, process_input(device_opt), other_conditions=True)
if len(options.get("--plug", "")) > 8:
fail_usage("Failed: Name of image can not be longer than 8 characters")
if options["--action"] == "validate-all":
sys.exit(0)
docs = {}
docs["shortdesc"] = "Fence agent for use with z/VM Virtual Machines"
docs["longdesc"] = """The fence_zvm agent is intended to be used with with z/VM SMAPI service via TCP/IP
To use this agent the z/VM SMAPI service needs to be configured to allow the virtual machine running this agent to connect to it and issue
the image_recycle operation. This involves updating the VSMWORK1 AUTHLIST VMSYS:VSMWORK1. file. The entry should look something similar to
this:
Column 1 Column 66 Column 131
| | |
V V V
XXXXXXXX ALL IMAGE_OPERATIONS
Where XXXXXXX is the name of the virtual machine used in the authuser field of the request.
"""
docs["vendorurl"] = "http://www.ibm.com"
show_docs(options, docs)
run_delay(options)
result = fence_action(None, options, set_power_status, get_power_status, get_power_status)
sys.exit(result)
if __name__ == "__main__":
main()
|