def make_drive(self, path, image_type=IMAGE_TYPE_RAW):
"""Make the config drive.
:param path: the path to place the config drive image at
:param image_type: host side image format
:raises ProcessExecuteError if a helper process has failed.
"""
fs_format = CONF.config_drive_format
if fs_format is None:
if image_type == IMAGE_TYPE_RAW:
fs_format = FS_FORMAT_ISO9660
with utils.tempdir() as tmpdir:
self._write_md_files(tmpdir)
if image_type == IMAGE_TYPE_RAW:
if fs_format not in (FS_FORMAT_VFAT, FS_FORMAT_ISO9660):
raise exception.ConfigDriveUnsupportedFormat(
format=fs_format,
image_type=image_type,
image_path=path)
elif fs_format == FS_FORMAT_ISO9660:
self._make_iso9660(path, tmpdir)
elif fs_format == FS_FORMAT_VFAT:
self._make_vfat(path, tmpdir)
elif image_type == IMAGE_TYPE_PLOOP:
self._make_ext4_ploop(path, tmpdir)
else:
raise exception.ConfigDriveUnsupportedFormat(
format=fs_format, image_type=image_type, image_path=path)
def _create_config_drive(context, instance_path, instance, injected_files,
network_info, admin_password):
if CONF.config_drive_format != 'iso9660':
raise exception.ConfigDriveUnsupportedFormat(
format=CONF.config_drive_format)
LOG.debug('Using config drive', instance=instance)
extra_md = {}
if admin_password:
extra_md['admin_pass'] = admin_password
inst_md = instance_metadata.InstanceMetadata(instance,
content=injected_files,
extra_md=extra_md,
network_info=network_info,
request_context=context)
configdrive_iso = os.path.join(instance_path, 'cfgdrive.iso')
LOG.debug('Creating config drive at %s',
configdrive_iso,
instance=instance)
with configdrive.ConfigDriveBuilder(instance_md=inst_md) as cdb:
cdb.make_drive(configdrive_iso)
return configdrive_iso
def _create_config_drive(self, context, instance_path, instance,
injected_files, admin_password):
if CONF.config_drive_format not in ['tgz', 'iso9660']:
msg = (_("Invalid config drive format %s") %
CONF.config_drive_format)
LOG.debug(msg)
raise exception.ConfigDriveUnsupportedFormat(
format=CONF.config_drive_format)
LOG.debug('Using config drive', instance=instance)
extra_md = {}
if admin_password:
extra_md['admin_pass'] = admin_password
inst_md = instance_metadata.InstanceMetadata(instance,
content=injected_files,
extra_md=extra_md,
request_context=context)
# network_metadata will prevent the hostname of the instance from
# being set correctly, so clean the value
inst_md.network_metadata = None
configdrive_tgz = os.path.join(instance_path, 'cfgdrive.tgz')
LOG.debug('Creating config drive at %s',
configdrive_tgz,
instance=instance)
with zvmconfigdrive.ZVMConfigDriveBuilder(instance_md=inst_md) as cdb:
cdb.make_drive(configdrive_tgz)
return configdrive_tgz
def _create_config_drive(self,
context,
instance,
injected_files,
admin_password,
network_info,
rescue=False):
if CONF.config_drive_format != 'iso9660':
raise exception.ConfigDriveUnsupportedFormat(
format=CONF.config_drive_format)
LOG.info('Using config drive for instance', instance=instance)
extra_md = {}
if admin_password and CONF.hyperv.config_drive_inject_password:
extra_md['admin_pass'] = admin_password
inst_md = instance_metadata.InstanceMetadata(instance,
content=injected_files,
extra_md=extra_md,
network_info=network_info,
request_context=context)
configdrive_path_iso = self._pathutils.get_configdrive_path(
instance.name, constants.DVD_FORMAT, rescue=rescue)
LOG.info('Creating config drive at %(path)s',
{'path': configdrive_path_iso},
instance=instance)
with configdrive.ConfigDriveBuilder(instance_md=inst_md) as cdb:
try:
cdb.make_drive(configdrive_path_iso)
except processutils.ProcessExecutionError as e:
with excutils.save_and_reraise_exception():
LOG.error('Creating config drive failed with '
'error: %s',
e,
instance=instance)
if not CONF.hyperv.config_drive_cdrom:
configdrive_path = self._pathutils.get_configdrive_path(
instance.name, constants.DISK_FORMAT_VHD, rescue=rescue)
utils.execute(CONF.hyperv.qemu_img_cmd,
'convert',
'-f',
'raw',
'-O',
'vpc',
configdrive_path_iso,
configdrive_path,
attempts=1)
self._pathutils.remove(configdrive_path_iso)
else:
configdrive_path = configdrive_path_iso
return configdrive_path
def _add_configdrive(self, context, instance,
injected_files, admin_password, network_info):
"""Create configdrive for the instance."""
if CONF.config_drive_format != 'iso9660':
raise exception.ConfigDriveUnsupportedFormat(
format=CONF.config_drive_format)
container = self.client.containers.get(instance.name)
container_id_map = container.config[
'volatile.last_state.idmap'].split(',')
storage_id = container_id_map[2].split(':')[1]
extra_md = {}
if admin_password:
extra_md['admin_pass'] = admin_password
inst_md = instance_metadata.InstanceMetadata(
instance, content=injected_files, extra_md=extra_md,
network_info=network_info, request_context=context)
iso_path = os.path.join(
common.InstanceAttributes(instance).instance_dir,
'configdrive.iso')
with configdrive.ConfigDriveBuilder(instance_md=inst_md) as cdb:
try:
cdb.make_drive(iso_path)
except processutils.ProcessExecutionError as e:
with excutils.save_and_reraise_exception():
LOG.error('Creating config drive failed with '
'error: %s',
e, instance=instance)
configdrive_dir = os.path.join(
nova.conf.CONF.instances_path, instance.name, 'configdrive')
if not os.path.exists(configdrive_dir):
fileutils.ensure_tree(configdrive_dir)
with utils.tempdir() as tmpdir:
mounted = False
try:
_, err = utils.execute('mount',
'-o',
'loop,uid=%d,gid=%d' % (os.getuid(),
os.getgid()),
iso_path, tmpdir,
run_as_root=True)
mounted = True
# Copy and adjust the files from the ISO so that we
# dont have the ISO mounted during the life cycle of the
# instance and the directory can be removed once the instance
# is terminated
for ent in os.listdir(tmpdir):
shutil.copytree(os.path.join(tmpdir, ent),
os.path.join(configdrive_dir, ent))
utils.execute('chmod', '-R', '775', configdrive_dir,
run_as_root=True)
utils.execute('chown', '-R', storage_id, configdrive_dir,
run_as_root=True)
finally:
if mounted:
utils.execute('umount', tmpdir, run_as_root=True)
return configdrive_dir
def _add_configdrive(self, context, instance,
injected_files, admin_password, network_info):
"""Create configdrive for the instance."""
if CONF.config_drive_format != 'iso9660':
raise exception.ConfigDriveUnsupportedFormat(
format=CONF.config_drive_format)
container = self.client.containers.get(instance.name)
storage_id = 0
"""
Determine UID shift used for container uid mapping
Sample JSON config from LXD
{
"volatile.apply_template": "create",
...
"volatile.last_state.idmap": "[
{
\"Isuid\":true,
\"Isgid\":false,
\"Hostid\":100000,
\"Nsid\":0,
\"Maprange\":65536
},
{
\"Isuid\":false,
\"Isgid\":true,
\"Hostid\":100000,
\"Nsid\":0,
\"Maprange\":65536
}] ",
"volatile.tap5fd6808a-7b.name": "eth0"
}
"""
container_id_map = json.loads(
container.config['volatile.last_state.idmap'])
uid_map = filter(lambda id_map: id_map.get("Isuid"), container_id_map)
if uid_map:
storage_id = uid_map[0].get("Hostid", 0)
else:
# privileged containers does not have uid/gid mapping
# LXD API return nothing
pass
extra_md = {}
if admin_password:
extra_md['admin_pass'] = admin_password
inst_md = instance_metadata.InstanceMetadata(
instance, content=injected_files, extra_md=extra_md,
network_info=network_info, request_context=context)
iso_path = os.path.join(
common.InstanceAttributes(instance).instance_dir,
'configdrive.iso')
with configdrive.ConfigDriveBuilder(instance_md=inst_md) as cdb:
try:
cdb.make_drive(iso_path)
except processutils.ProcessExecutionError as e:
with excutils.save_and_reraise_exception():
LOG.error('Creating config drive failed with '
'error: %s',
e, instance=instance)
configdrive_dir = os.path.join(
nova.conf.CONF.instances_path, instance.name, 'configdrive')
if not os.path.exists(configdrive_dir):
fileutils.ensure_tree(configdrive_dir)
with utils.tempdir() as tmpdir:
mounted = False
try:
_, err = utils.execute('mount',
'-o',
'loop,uid=%d,gid=%d' % (os.getuid(),
os.getgid()),
iso_path, tmpdir,
run_as_root=True)
mounted = True
# Copy and adjust the files from the ISO so that we
# dont have the ISO mounted during the life cycle of the
# instance and the directory can be removed once the instance
# is terminated
for ent in os.listdir(tmpdir):
shutil.copytree(os.path.join(tmpdir, ent),
os.path.join(configdrive_dir, ent))
utils.execute('chmod', '-R', '775', configdrive_dir,
run_as_root=True)
utils.execute('chown', '-R',
'%s:%s' % (storage_id, storage_id),
configdrive_dir, run_as_root=True)
finally:
if mounted:
utils.execute('umount', tmpdir, run_as_root=True)
return configdrive_dir
