/usr/lib/python2.7/dist-packages/koan/openvzcreate.py is in python-koan 2.4.1-0ubuntu2.
This file is owned by root:root, with mode 0o644.
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 | """
OpenVZ container-type virtualization installation functions.
Copyright 2012 Artem Kanarev <kanarev AT tncc.ru>, Sergey Podushkin <psv AT tncc.ru>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA
"""
import os
import exceptions
class OVZCreateException(exceptions.Exception):
pass
def start_install(*args, **kwargs):
# check for Openvz tools presence
# can be this apps installed in some other place?
vzcfgvalidate = '/usr/sbin/vzcfgvalidate'
vzctl = '/usr/sbin/vzctl'
if not os.path.exists(vzcfgvalidate) or not os.path.exists(vzctl):
raise OVZCreateException("Cannot find %s and/or %s! Are OpenVZ tools installed?" % (vzcfgvalidate, vzctl))
# params, that can be defined/redefined through ks_meta
keys_for_meta = [
'KMEMSIZE', # "14372700:14790164",
'LOCKEDPAGES', # "2048:2048",
'PRIVVMPAGES', # "65536:69632",
'SHMPAGES', # "21504:21504",
'NUMPROC', # "240:240",
'VMGUARPAGES', # "33792:unlimited",
'OOMGUARPAGES', # "26112:unlimited",
'NUMTCPSOCK', # "360:360",
'NUMFLOCK', # "188:206",
'NUMPTY', # "16:16",
'NUMSIGINFO', # "256:256",
'TCPSNDBUF', # "1720320:2703360",
'TCPRCVBUF', # "1720320:2703360",
'OTHERSOCKBUF', # "1126080:2097152",
'DGRAMRCVBUF', # "262144:262144",
'NUMOTHERSOCK', # "120",
'DCACHESIZE', # "3409920:3624960",
'NUMFILE', # "9312:9312",
'AVNUMPROC', # "180:180",
'NUMIPTENT', # "128:128",
'DISKINODES', # "200000:220000",
'QUOTATIME', # "0",
'VE_ROOT', # "/vz/root/$VEID",
'VE_PRIVATE', # "/vz/private/$VEID",
'SWAPPAGES', # "0:1G",
'ONBOOT', # "yes"
]
sysname = kwargs['name']
kickstart = kwargs['profile_data']['kickstart']
template = kwargs['profile_data']['breed'] # we use it for --ostemplate parameter
hostname = kwargs['profile_data']['hostname']
ipadd = kwargs['profile_data']['ip_address_eth0']
nameserver = kwargs['profile_data']['name_servers'][0]
diskspace = kwargs['profile_data']['virt_file_size']
physpages = kwargs['profile_data']['virt_ram']
cpus = kwargs['profile_data']['virt_cpus']
onboot = kwargs['profile_data']['virt_auto_boot']
# we get [0,1] ot [False,True] and have to map it to [no,yes]
onboot = 'yes' if onboot == '1' or onboot == True else 'no'
CTID = None
vz_meta = {}
# get all vz_ parameters from ks_meta
for item in kwargs['profile_data']['ks_meta'].split():
var = item.split('=')
if var[0].startswith('vz_'):
vz_meta[var[0].replace('vz_','').upper()] = var[1]
if vz_meta.has_key('CTID') and vz_meta['CTID']:
try:
CTID = int(vz_meta['CTID'])
del vz_meta['CTID']
except ValueError:
print "Invalid CTID in ks_meta. Exiting..."
return 1
else:
raise OVZCreateException('Mandatory "vz_ctid" parameter not found in ks_meta!')
confiname ='/etc/vz/conf/%d.conf' % CTID
# this is the minimal config. we can define additional parameters or override some of them in ks_meta
min_config = {
'PHYSPAGES':"0:%sM" % physpages,
'SWAPPAGES':"0:1G",
'DISKSPACE':"%sG:%sG" % (diskspace, diskspace),
'DISKINODES':"200000:220000",
'QUOTATIME':"0",
'CPUUNITS':"1000",
'CPUS':cpus,
'VE_ROOT':"/vz/root/$VEID",
'VE_PRIVATE':"/vz/private/$VEID",
'OSTEMPLATE':template,
'NAME':sysname,
'HOSTNAME':hostname,
'IP_ADDRESS':ipadd,
'NAMESERVER':nameserver,
}
# merge with override
full_config = dict([(k, vz_meta[k] if vz_meta.has_key(k) and k in keys_for_meta else min_config[k]) for k in set(min_config.keys() + vz_meta.keys())])
# write config file for container
f = open(confiname, 'w+')
for key, val in full_config.items():
f.write('%s="%s"\n' % (key,val))
f.close()
# validate the config file
cmd = '%s %s' % (vzcfgvalidate, confiname)
if not os.system(cmd.strip()):
# now install the container tree
cmd = '/usr/bin/ovz-install %s %s %s' % (sysname, kickstart, full_config['VE_PRIVATE'].replace('$VEID','%d' % CTID))
if not os.system(cmd.strip()):
# if everything fine, start the container
cmd = '%s start %s' % (vzctl, CTID)
if os.system(cmd.strip()):
raise OVZCreateException("Start container %s failed" % CTID)
else:
raise OVZCreateException("Container creation %s failed" % CTID)
else:
raise OVZCreateException("Container %s config file is not valid" % CTID)
|