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#!/usr/bin/env python
# Copyright (C) 2010,2011 Chris Lalancette <clalance@redhat.com>
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation;
# version 2.1 of the License.
# This library 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
# Lesser General Public License for more details.
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
import sys
import getopt
import os
import logging
import time
import ConfigParser
import oz.TDL
import oz.GuestFactory
def usage():
print "Usage: oz-install [OPTIONS] <tdl>"
print " OPTIONS:"
print " -a <auto>\tUse the guest configuration tool from <auto> instead"
print "\t\tof using the hard-coded one. This is useful if you want to pass"
print "\t\ta custom kickstart/preseed/sif/etc for installation"
print " -c <config>\tGet config from <config> (default is /etc/oz/oz.cfg)"
print " -d <level>\tTurn up logging level. The levels are:"
print "\t\t\t0 - errors only (this is the default)"
print "\t\t\t1 - errors and warnings"
print "\t\t\t2 - errors, warnings, and information"
print "\t\t\t3 - all messages"
print "\t\t\t4 - all messages, prepended with the level and classname"
print " -f\t\tForce download of installation media even if already cached"
print " -g\t\tGenerate the ICICLE after installation"
print " -h\t\tPrint this help message"
print " -i <icicle>\tWrite the ICICLE to <icicle> (only valid with -g)"
print " -p\t\tCleanup old guests with the same name before installation"
print " -s <disk>\tWrite the output to <disk> (default is the TDL name tag)"
print " -t <timeout>\tWait <timeout> seconds for installation, rather than the default"
print " -u\t\tAfter installation, do the customization"
print " -x <xmlfile>\tWrite libvirt XML to <xmlfile>"
print " Currently supported architectures are:"
print " i386, x86_64"
print " Currently supported distros are:"
oz.GuestFactory.distrolist()
sys.exit(1)
try:
opts, args = getopt.gnu_getopt(sys.argv[1:], 'a:c:d:fghi:ps:t:ux:',
['auto', 'config', 'debug', 'force-download',
'generate-icicle', 'help', 'icicle',
'cleanup', 'disk', 'timeout', 'customize',
'xmlfile'])
except getopt.GetoptError, err:
print str(err)
usage()
loglevel = logging.ERROR
logformat = "%(message)s"
force_download = False
config_file = "/etc/oz/oz.cfg"
generate_icicle = False
filename = None
customize = False
cleanup = False
auto = None
timeout = None
icicle_file = None
output_disk = None
for o, a in opts:
if o in ("-a", "--auto"):
auto = a
elif o in ("-c", "--config"):
config_file = a
elif o in ("-d", "--debug"):
try:
d_int = int(a)
except ValueError:
usage()
if d_int == 0:
loglevel = logging.ERROR
elif d_int == 1:
loglevel = logging.WARNING
elif d_int == 2:
loglevel = logging.INFO
elif d_int == 3:
loglevel = logging.DEBUG
elif d_int >= 4:
loglevel = logging.DEBUG
logformat = logging.BASIC_FORMAT
elif o in ("-f", "--force-download"):
force_download = True
elif o in ("-g", "--generate-icicle"):
generate_icicle = True
elif o in ("-h", "--help"):
usage()
elif o in ("-i", "--icicle"):
icicle_file = a
elif o in ("-p", "--cleanup"):
cleanup = True
elif o in ("-s", "--disk"):
output_disk = a
elif o in ("-t", "--timeout"):
timeout = int(a)
elif o in ("-u", "--customize"):
customize = True
elif o in ("-x", "--xmlfile"):
filename = a
else:
assert False, "unhandled option"
if os.geteuid() != 0:
print "%s must be run as root" % (sys.argv[0])
sys.exit(2)
if len(args) != 1:
usage()
if not generate_icicle and icicle_file is not None:
print "The -i option must be combined with the -g option"
sys.exit(3)
try:
logging.basicConfig(level=loglevel, format=logformat)
tdl = oz.TDL.TDL(open(args[0], 'r').read())
config = ConfigParser.SafeConfigParser()
if os.access(config_file, os.F_OK):
config.read(config_file)
guest = oz.GuestFactory.guest_factory(tdl, config, auto, output_disk)
if cleanup:
guest.cleanup_old_guest()
else:
guest.check_for_guest_conflict()
try:
guest.generate_install_media(force_download)
try:
guest.generate_diskimage(force=force_download)
libvirt_xml = guest.install(timeout, force_download)
except:
guest.cleanup_old_guest()
raise
finally:
guest.cleanup_install()
if customize and generate_icicle:
print guest.customize_and_generate_icicle(libvirt_xml)
elif customize:
guest.customize(libvirt_xml)
elif generate_icicle:
icicle_xml = guest.generate_icicle(libvirt_xml)
if icicle_file is None:
print icicle_xml
else:
open(icicle_file, 'w').write(icicle_xml)
print "ICICLE XML was written to " + icicle_file
if filename is None:
filename = guest.name + time.strftime("%b_%d_%Y-%H:%M:%S")
open(filename, 'w').write(libvirt_xml)
print "Libvirt XML was written to " + filename
except Exception, exc:
if loglevel > logging.DEBUG:
print ""
print "ERROR: %s" % (str(exc))
print ""
print "(use -d3 to get the full backtrace)"
print ""
else:
raise
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