/usr/sbin/fence_rhevm 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 | #!/usr/bin/python -tt
import sys, re
import pycurl, StringIO
import logging
import atexit
sys.path.append("/usr/share/fence")
from fencing import *
from fencing import fail, EC_STATUS, run_delay
#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
RE_GET_ID = re.compile("<vm( .*)? id=\"(.*?)\"", re.IGNORECASE)
RE_STATUS = re.compile("<state>(.*?)</state>", re.IGNORECASE)
RE_GET_NAME = re.compile("<name>(.*?)</name>", re.IGNORECASE)
def get_power_status(conn, options):
del conn
### Obtain real ID from name
res = send_command(options, "vms/?search=name%3D" + options["--plug"])
result = RE_GET_ID.search(res)
if result == None:
# Unable to obtain ID needed to access virtual machine
fail(EC_STATUS)
options["id"] = result.group(2)
result = RE_STATUS.search(res)
if result == None:
# We were able to parse ID so output is correct
# in some cases it is possible that RHEV-M output does not
# contain <status> line. We can assume machine is OFF then
return "off"
else:
status = result.group(1)
if status.lower() == "down":
return "off"
else:
return "on"
def set_power_status(conn, options):
del conn
action = {
'on' : "start",
'off' : "stop"
}[options["--action"]]
url = "vms/" + options["id"] + "/" + action
send_command(options, url, "POST")
def get_list(conn, options):
del conn
outlets = {}
try:
res = send_command(options, "vms")
lines = res.split("<vm ")
for i in range(1, len(lines)):
name = RE_GET_NAME.search(lines[i]).group(1)
status = RE_STATUS.search(lines[i]).group(1)
outlets[name] = ("", status)
except AttributeError:
return {}
except IndexError:
return {}
return outlets
def send_command(opt, command, method="GET"):
## setup correct URL
if opt.has_key("--ssl") or opt.has_key("--ssl-secure") or opt.has_key("--ssl-insecure"):
url = "https:"
else:
url = "http:"
url += "//" + opt["--ip"] + ":" + str(opt["--ipport"]) + "/api/" + command
## send command through pycurl
conn = pycurl.Curl()
web_buffer = StringIO.StringIO()
conn.setopt(pycurl.URL, url)
conn.setopt(pycurl.HTTPHEADER, ["Content-type: application/xml", "Accept: application/xml", "Prefer: persistent-auth", "Filter: true"])
if opt.has_key("cookie"):
conn.setopt(pycurl.COOKIE, opt["cookie"])
else:
conn.setopt(pycurl.HTTPAUTH, pycurl.HTTPAUTH_BASIC)
conn.setopt(pycurl.USERPWD, opt["--username"] + ":" + opt["--password"])
if opt.has_key("--use-cookies"):
conn.setopt(pycurl.COOKIEFILE, "")
conn.setopt(pycurl.TIMEOUT, int(opt["--shell-timeout"]))
if opt.has_key("--ssl") or opt.has_key("--ssl-secure"):
conn.setopt(pycurl.SSL_VERIFYPEER, 1)
conn.setopt(pycurl.SSL_VERIFYHOST, 2)
if opt.has_key("--ssl-insecure"):
conn.setopt(pycurl.SSL_VERIFYPEER, 0)
conn.setopt(pycurl.SSL_VERIFYHOST, 0)
if method == "POST":
conn.setopt(pycurl.POSTFIELDS, "<action />")
conn.setopt(pycurl.WRITEFUNCTION, web_buffer.write)
conn.perform()
if not opt.has_key("cookie") and opt.has_key("--use-cookies"):
cookie = ""
for c in conn.getinfo(pycurl.INFO_COOKIELIST):
tokens = c.split("\t",7)
cookie = cookie + tokens[5] + "=" + tokens[6] + ";"
opt["cookie"] = cookie
result = web_buffer.getvalue()
logging.debug("%s\n", command)
logging.debug("%s\n", result)
return result
def define_new_opts():
all_opt["use_cookies"] = {
"getopt" : "",
"longopt" : "use-cookies",
"help" : "--use-cookies Reuse cookies for authentication",
"required" : "0",
"shortdesc" : "Reuse cookies for authentication",
"order" : 1}
def main():
device_opt = ["ipaddr", "login", "passwd", "ssl", "notls", "web", "port", "use_cookies" ]
atexit.register(atexit_handler)
define_new_opts()
all_opt["power_wait"]["default"] = "1"
options = check_input(device_opt, process_input(device_opt))
docs = {}
docs["shortdesc"] = "Fence agent for RHEV-M REST API"
docs["longdesc"] = "fence_rhevm is an I/O Fencing agent which can be \
used with RHEV-M REST API to fence virtual machines."
docs["vendorurl"] = "http://www.redhat.com"
show_docs(options, docs)
##
## Fence operations
####
run_delay(options)
result = fence_action(None, options, set_power_status, get_power_status, get_list)
sys.exit(result)
if __name__ == "__main__":
main()
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