/usr/sbin/fence_rhevm is in fence-agents 3.1.5-2ubuntu2.
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 | #!/usr/bin/python
import sys, re, pexpect, socket
import pycurl, StringIO
sys.path.append("/usr/share/fence")
from fencing import *
#BEGIN_VERSION_GENERATION
RELEASE_VERSION="3.1.5"
BUILD_DATE="(built Mon Feb 6 23:36:21 UTC 2012)"
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("<status>(.*?)</status>", re.IGNORECASE);
re_get_name = re.compile("<name>(.*?)</name>", re.IGNORECASE);
def get_power_status(conn, options):
### Obtain real ID from name
try:
res = send_command(options, "vms/?search=name%3D" + options["-n"])
except pycurl.error, e:
sys.stderr.write(e[1] + "\n")
fail(EC_TIMED_OUT)
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(1);
re_status.search(res)
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 == "UP"):
return "on"
else:
return "off"
def set_power_status(conn, options):
action = {
'on' : "start",
'off' : "stop"
}[options["-o"]]
url = "vms/" + options["id"] + "/" + action
try:
res = send_command(options, url, "POST")
except pycurl.error, e:
sys.stderr.write(e[1] + "\n")
fail(EC_TIMED_OUT)
return
def get_list(conn, options):
outlets = { }
try:
try:
res = send_command(options, "vms")
except pycurl.error, e:
sys.stderr.write(e[1] + "\n")
fail(EC_TIMED_OUT)
lines = res.split("<vm ")
for i in range(1, len(lines)):
name = re_get_name.search(lines[i]).group(1)
outlets[name] = ("", None)
except AttributeError:
return { }
except IndexError:
return { }
return outlets
def send_command(opt, command, method = "GET"):
## setup correct URL
if opt.has_key("-z"):
url = "https:"
else:
url = "http:"
url += "//" + opt["-a"] + ":" + str(opt["-u"]) + "/rhevm-api/" + command
## send command through pycurl
c = pycurl.Curl()
b = StringIO.StringIO()
c.setopt(pycurl.URL, url)
c.setopt(pycurl.HTTPHEADER, [ "Content-type: application/xml", "Accept: application/xml" ])
c.setopt(pycurl.HTTPAUTH, pycurl.HTTPAUTH_BASIC)
c.setopt(pycurl.USERPWD, opt["-l"] + ":" + opt["-p"])
c.setopt(pycurl.TIMEOUT, int(opt["-Y"]))
c.setopt(pycurl.SSL_VERIFYPEER, 0)
c.setopt(pycurl.SSL_VERIFYHOST, 0)
if (method == "POST"):
c.setopt(pycurl.POSTFIELDS, "<action />")
c.setopt(pycurl.WRITEFUNCTION, b.write)
c.perform()
result = b.getvalue()
if opt["log"] >= LOG_MODE_VERBOSE:
opt["debug_fh"].write(command + "\n")
opt["debug_fh"].write(result + "\n")
return result
def main():
device_opt = [ "help", "version", "agent", "quiet", "verbose", "debug",
"action", "ipaddr", "login", "passwd", "passwd_script",
"ssl", "inet4_only", "inet6_only", "ipport", "port",
"web", "separator", "power_wait", "power_timeout",
"shell_timeout" ]
atexit.register(atexit_handler)
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
####
result = fence_action(None, options, set_power_status, get_power_status, get_list)
sys.exit(result)
if __name__ == "__main__":
main()
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