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#!/usr/bin/env python
#Copyright (C) 2009-2010 :
# Gabes Jean, naparuba@gmail.com
# Gerhard Lausser, Gerhard.Lausser@consol.de
# Gregory Starck, g.starck@gmail.com
# Hartmut Goebel <h.goebel@goebel-consult.de>
#
#This file is part of Shinken.
#
#Shinken is free software: you can redistribute it and/or modify
#it under the terms of the GNU Affero General Public License as published by
#the Free Software Foundation, either version 3 of the License, or
#(at your option) any later version.
#
#Shinken is distributed in the hope that it will be useful,
#but WITHOUT ANY WARRANTY; without even the implied warranty of
#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
#GNU Affero General Public License for more details.
#
#You should have received a copy of the GNU Affero General Public License
#along with Shinken. If not, see <http://www.gnu.org/licenses/>.
import os
import sys
import shlex
import shutil
import optparse
from subprocess import Popen, PIPE
# Try to load json (2.5 and higer) or simplejson if failed (python2.4)
try:
import json
except ImportError:
# For old Python version, load
# simple json (it can be hard json?! It's 2 functions guy!)
try:
import simplejson as json
except ImportError:
sys.exit("Error : you need the json or simplejson module for this script")
VERSION = '0.1'
# Split and clean the rules from a string to a list
def _split_rules(rules):
return [r.strip() for r in rules.split('|')]
# Apply all rules on the objects names
def _apply_rules(name, rules):
if 'nofqdn' in rules:
name = name.split('.', 1)[0]
if 'lower' in rules:
name = name.lower()
return name
# Get all vmware hosts from a VCenter and return the list
def get_vmware_hosts(check_esx_path, vcenter, user, password):
list_host_cmd = [check_esx_path, '-D', vcenter, '-u', user, '-p', password,
'-l', 'runtime', '-s', 'listhost']
output = Popen(list_host_cmd, stdout=PIPE).communicate()
parts = output[0].split(':')
hsts_raw = parts[1].split('|')[0]
hsts_raw_lst = hsts_raw.split(',')
hosts = []
for hst_raw in hsts_raw_lst:
hst_raw = hst_raw.strip()
# look as server4.mydomain(UP)
elts = hst_raw.split('(')
hst = elts[0]
hosts.append(hst)
return hosts
# For a specific host, ask all VM on it to the VCenter
def get_vm_of_host(check_esx_path, vcenter, host, user, password):
print "Listing host", host
list_vm_cmd = [check_esx_path, '-D', vcenter, '-H', host,
'-u', user, '-p', password,
'-l', 'runtime', '-s', 'list']
output = Popen(list_vm_cmd, stdout=PIPE).communicate()
parts = output[0].split(':')
# Maybe we got a 'CRITICAL - There are no VMs.' message,
# if so, we bypass this host
if len(parts) < 2:
return None
vms_raw = parts[1].split('|')[0]
vms_raw_lst = vms_raw.split(',')
lst = []
for vm_raw in vms_raw_lst:
vm_raw = vm_raw.strip()
# look as MYVM(UP)
elts = vm_raw.split('(')
vm = elts[0]
lst.append(vm)
return lst
# Create all tuples of the links for the hosts
def create_all_links(res, rules):
r = []
for host in res:
for vm in res[host]:
# First we apply rules on the names
host_name = _apply_rules(host, rules)
vm_name = _apply_rules(vm, rules)
v = (('host', host_name),('host', vm_name))
r.append(v)
return r
def write_output(r, path):
try:
f = open(path+'.tmp', 'wb')
buf = json.dumps(r)
f.write(buf)
f.close()
shutil.move(path+'.tmp', path)
print "File %s wrote" % path
except IOError, exp:
sys.exit("Error writing the file %s : %s" % (path, exp))
def main(check_esx_path, vcenter, user, password, output, rules):
rules = _split_rules(rules)
res = {}
hosts = get_vmware_hosts(check_esx_path, vcenter, user, password)
for host in hosts:
lst = get_vm_of_host(check_esx_path, vcenter, host, user, password)
if lst:
res[host] = lst
r = create_all_links(res, rules)
print "Created %d links" % len(r)
write_output(r, output)
print "Finished!"
# Here we go!
if __name__ == "__main__":
# Manage the options
parser = optparse.OptionParser(
version="Shinken VMware links dumping script version %s" % VERSION)
parser.add_option("-o", "--output",
help="Path of the generated mapping file.")
parser.add_option("-x", "--esx3-path", dest='check_esx_path',
default='/usr/local/nagios/libexec/check_esx3.pl',
help="Full path of the check_esx3.pl script (default: %default)")
parser.add_option("-V", "--vcenter", '--Vcenter',
help="tThe IP/DNS address of your Vcenter host.")
parser.add_option("-u", "--user",
help="User name to connect to this Vcenter")
parser.add_option("-p", "--password",
help="The password of this user")
parser.add_option('-r', '--rules', default='',
help="Rules of name transformation. Valid names are: "
"`lower`: to lower names, "
"`nofqdn`: keep only the first name (server.mydomain.com -> server)."
"You can use several rules like `lower|nofqdn`")
opts, args = parser.parse_args()
if args:
parser.error("does not take any positional arguments")
if opts.vcenter is None:
parser.error("missing -V or --Vcenter option for the vcenter IP/DNS address")
if opts.user is None:
parser.error("missing -u or --user option for the vcenter username")
if opts.password is None:
error = True
parser.error("missing -p or --password option for the vcenter password")
if not os.path.exists(opts.check_esx_path):
parser.error("the path %s for the check_esx3.pl script is wrong, missing file" % opts.check_esx_path)
if opts.output is None:
parser.error("missing -o or --output option for the output mapping file")
main(**opts.__dict__)
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