#
# Copyright 2015 Red Hat, Inc.
#
# 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
#
# Refer to the README and COPYING files for full details of the license
#
import os
import utils
from textwrap import dedent
import tempfile
import logging
LOGGER = logging.getLogger(__name__)
_DOT_SSH = '/root/.ssh'
_AUTHORIZED_KEYS = os.path.join(_DOT_SSH, 'authorized_keys')
_SELINUX_CONF_DIR = '/etc/selinux'
_SELINUX_CONF_PATH = os.path.join(_SELINUX_CONF_DIR, 'config')
_ISCSI_DIR = '/etc/iscsi'
[docs]def set_hostname(hostname):
return ('--hostname', hostname)
[docs]def set_root_password(password):
return ('--root-password', 'password:%s' % password)
[docs]def _write_file(path, content):
return ('--write', '%s:%s' % (path, content))
[docs]def _upload_file(local_path, remote_path):
return ('--upload', '%s:%s' % (remote_path, local_path))
[docs]def set_iscsi_initiator_name(name):
return ('--mkdir', _ISCSI_DIR, '--chmod',
'0755:%s' % _ISCSI_DIR, ) + _write_file(
os.path.join(_ISCSI_DIR, 'initiatorname.iscsi'),
'InitiatorName=%s' % name,
) # noqa: E126
[docs]def add_ssh_key(key, with_restorecon_fix=False):
extra_options = ('--mkdir', _DOT_SSH, '--chmod', '0700:%s' %
_DOT_SSH, ) + _upload_file(_AUTHORIZED_KEYS, key)
if (not os.stat(key).st_uid == 0 or not os.stat(key).st_gid == 0):
extra_options += (
'--run-command', 'chown root.root %s' % _AUTHORIZED_KEYS,
)
if with_restorecon_fix:
# Fix for fc23 not relabeling on boot
# https://bugzilla.redhat.com/1049656
extra_options += ('--firstboot-command', 'restorecon -R /root/.ssh', )
return extra_options
[docs]def set_selinux_mode(mode):
return (
'--mkdir', _SELINUX_CONF_DIR, '--chmod', '0755:%s' % _SELINUX_CONF_DIR,
) + _write_file(
_SELINUX_CONF_PATH,
('SELINUX=%s\n'
'SELINUXTYPE=targeted\n') % mode,
)
[docs]def _config_net_interface(path, iface, type, bootproto, onboot, hwaddr):
iface_path = os.path.join(path, 'ifcfg-{0}'.format(iface))
cfg = dedent(
"""
HWADDR="{hwaddr}"
BOOTPROTO="{bootproto}"
ONBOOT="{onboot}"
TYPE="{type}"
NAME="{iface}"
""".format(
hwaddr=hwaddr,
bootproto=bootproto,
onboot=onboot,
type=type,
iface=iface
)
).lstrip()
with tempfile.NamedTemporaryFile(delete=False) as ifcfg_file:
ifcfg_file.write(cfg)
LOGGER.debug('generated %s for %s:\n%s', ifcfg_file.name, iface_path, cfg)
return ('--mkdir', path, '--chmod', '0755:{0}'.format(path)
) + _upload_file(iface_path, ifcfg_file.name)
[docs]def config_net_iface_debian(name, mac):
iface = dedent(
"""
auto {name}
iface {name} inet6 auto
iface {name} inet dhcp
hwaddress ether {mac}
""".format(name=name, mac=mac)
)
return (
_write_file(
os.path.join(
'/etc/network/interfaces.d', 'ifcfg-{0}.cfg'.format(name)
), iface
)
)
[docs]def config_net_iface_loop_debian():
loop_device = dedent(
"""
auto lo
iface lo inet loopback
source /etc/network/interfaces.d/*.cfg
"""
)
return (_write_file('/etc/network/interfaces', loop_device))
[docs]def config_net_ifaces_dhcp(distro, mapping):
if distro == 'debian':
cmd = [config_net_iface_loop_debian()]
cmd.extend(
[config_net_iface_debian(name, mac) for name, mac in mapping]
)
else:
cmd = [config_net_iface_dhcp(name, mac) for name, mac in mapping]
return cmd
[docs]def config_net_iface_dhcp(
iface, hwaddr, path='/etc/sysconfig/network-scripts'
):
return _config_net_interface(
path=path,
iface=iface,
type='Ethernet',
bootproto='dhcp',
onboot='yes',
hwaddr=hwaddr,
)
[docs]def edit(filename, expression):
editstr = '%s:""%s""' % (filename, expression)
return ('--edit', editstr, )
[docs]def update():
return ('--update', '--network', )
[docs]def sysprep(disk, mods, backend='direct'):
cmd = ['virt-sysprep', '-a', disk, '--selinux-relabel']
env = os.environ.copy()
if 'LIBGUESTFS_BACKEND' not in env:
env['LIBGUESTFS_BACKEND'] = backend
for mod in mods:
cmd.extend(mod)
ret = utils.run_command(cmd, env=env)
if ret:
raise RuntimeError(
'Failed to bootstrap %s\ncommand:%s\nstdout:%s\nstderr:%s' % (
disk, ' '.join('"%s"' % elem for elem in cmd), ret.out,
ret.err,
)
)
