def test_create_configdrive_vfat(self):
CONF.set_override('config_drive_format', 'vfat')
imagefile = None
try:
self.mox.StubOutWithMock(utils, 'mkfs')
self.mox.StubOutWithMock(utils, 'execute')
self.mox.StubOutWithMock(utils, 'trycmd')
utils.mkfs('vfat', mox.IgnoreArg(),
label='config-2').AndReturn(None)
utils.trycmd('mount',
'-o',
mox.IgnoreArg(),
mox.IgnoreArg(),
mox.IgnoreArg(),
run_as_root=True).AndReturn((None, None))
utils.execute('umount', mox.IgnoreArg(),
run_as_root=True).AndReturn(None)
self.mox.ReplayAll()
with configdrive.ConfigDriveBuilder(FakeInstanceMD()) as c:
(fd, imagefile) = tempfile.mkstemp(prefix='cd_vfat_')
os.close(fd)
c.make_drive(imagefile)
# NOTE(mikal): we can't check for a VFAT output here because the
# filesystem creation stuff has been mocked out because it
# requires root permissions
finally:
if imagefile:
fileutils.delete_if_exists(imagefile)
def test_create_configdrive_iso(self):
CONF.set_override('config_drive_format', 'iso9660')
imagefile = None
try:
self.mox.StubOutWithMock(utils, 'execute')
utils.execute('genisoimage',
'-o',
mox.IgnoreArg(),
'-ldots',
'-allow-lowercase',
'-allow-multidot',
'-l',
'-publisher',
mox.IgnoreArg(),
'-quiet',
'-J',
'-r',
'-V',
'config-2',
mox.IgnoreArg(),
attempts=1,
run_as_root=False).AndReturn(None)
self.mox.ReplayAll()
with configdrive.ConfigDriveBuilder(FakeInstanceMD()) as c:
(fd, imagefile) = tempfile.mkstemp(prefix='cd_iso_')
os.close(fd)
c.make_drive(imagefile)
finally:
if imagefile:
fileutils.delete_if_exists(imagefile)
def test_create_configdrive_iso(self, mock_execute):
CONF.set_override('config_drive_format', 'iso9660')
imagefile = None
try:
with configdrive.ConfigDriveBuilder(FakeInstanceMD()) as c:
(fd, imagefile) = tempfile.mkstemp(prefix='cd_iso_')
os.close(fd)
c.make_drive(imagefile)
mock_execute.assert_called_once_with('genisoimage',
'-o',
mock.ANY,
'-ldots',
'-allow-lowercase',
'-allow-multidot',
'-l',
'-publisher',
mock.ANY,
'-quiet',
'-J',
'-r',
'-V',
'config-2',
mock.ANY,
attempts=1,
run_as_root=False)
finally:
if imagefile:
fileutils.delete_if_exists(imagefile)
def _generate_configdrive(self, instance, node, network_info,
extra_md=None, files=None):
"""Generate a config drive.
:param instance: The instance object.
:param node: The node object.
:param network_info: Instance network information.
:param extra_md: Optional, extra metadata to be added to the
configdrive.
:param files: Optional, a list of paths to files to be added to
the configdrive.
"""
if not extra_md:
extra_md = {}
i_meta = instance_metadata.InstanceMetadata(instance,
content=files, extra_md=extra_md, network_info=network_info)
with tempfile.NamedTemporaryFile() as uncompressed:
with configdrive.ConfigDriveBuilder(instance_md=i_meta) as cdb:
cdb.make_drive(uncompressed.name)
with tempfile.NamedTemporaryFile() as compressed:
# compress config drive
with gzip.GzipFile(fileobj=compressed, mode='wb') as gzipped:
uncompressed.seek(0)
shutil.copyfileobj(uncompressed, gzipped)
# base64 encode config drive
compressed.seek(0)
return base64.b64encode(compressed.read())
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, instance, injected_files, admin_password):
if CONF.config_drive_format != 'iso9660':
vmutils.HyperVException(
_('Invalid config_drive_format "%s"') %
CONF.config_drive_format)
LOG.info(_('Using config drive for instance: %s'), instance=instance)
extra_md = {}
if admin_password and CONF.config_drive_inject_password:
extra_md['admin_pass'] = admin_password
inst_md = instance_metadata.InstanceMetadata(instance,
content=injected_files,
extra_md=extra_md)
instance_path = self._pathutils.get_instance_path(instance['name'])
configdrive_path_iso = os.path.join(instance_path, 'configdrive.iso')
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 exception.ProcessExecutionError, e:
LOG.error(_('Creating config drive failed with error: %s'),
e,
instance=instance)
raise
def _setup_spawn_config_drive_mocks(self, use_cdrom):
instance_metadata.InstanceMetadata(mox.IgnoreArg(),
content=mox.IsA(list),
extra_md=mox.IsA(dict))
m = fake.PathUtils.get_instance_dir(mox.IsA(str))
m.AndReturn(self._test_instance_dir)
cdb = self._mox.CreateMockAnything()
m = configdrive.ConfigDriveBuilder(instance_md=mox.IgnoreArg())
m.AndReturn(cdb)
# __enter__ and __exit__ are required by "with"
cdb.__enter__().AndReturn(cdb)
cdb.make_drive(mox.IsA(str))
cdb.__exit__(None, None, None).AndReturn(None)
if not use_cdrom:
utils.execute(CONF.hyperv.qemu_img_cmd,
'convert',
'-f',
'raw',
'-O',
'vpc',
mox.IsA(str),
mox.IsA(str),
attempts=1)
fake.PathUtils.remove(mox.IsA(str))
m = vmutils.VMUtils.attach_ide_drive(mox.IsA(str), mox.IsA(str),
mox.IsA(int), mox.IsA(int),
mox.IsA(str))
m.WithSideEffects(self._add_disk)
def test_create_configdrive_iso(self):
imagefile = None
try:
self.mox.StubOutWithMock(utils, 'execute')
utils.execute('genisoimage', '-o', mox.IgnoreArg(), '-ldots',
'-allow-lowercase', '-allow-multidot', '-l',
'-publisher', mox.IgnoreArg(), '-quiet', '-J', '-r',
'-V', 'config-2', mox.IgnoreArg(), attempts=1,
run_as_root=False).AndReturn(None)
self.mox.ReplayAll()
c = configdrive.ConfigDriveBuilder()
c._add_file('this/is/a/path/hello', 'This is some content')
(fd, imagefile) = tempfile.mkstemp(prefix='cd_iso_')
os.close(fd)
c._make_iso9660(imagefile)
c.cleanup()
# Check cleanup
self.assertFalse(os.path.exists(c.tempdir))
finally:
if imagefile:
utils.delete_if_exists(imagefile)
def test_create_configdrive_vfat(self, mock_trycmd, mock_execute,
mock_mkfs):
CONF.set_override('config_drive_format', 'vfat')
imagefile = None
try:
with configdrive.ConfigDriveBuilder(FakeInstanceMD()) as c:
(fd, imagefile) = tempfile.mkstemp(prefix='cd_vfat_')
os.close(fd)
c.make_drive(imagefile)
mock_mkfs.assert_called_once_with('vfat',
mock.ANY,
label='config-2')
mock_trycmd.assert_called_once_with('mount',
'-o',
mock.ANY,
mock.ANY,
mock.ANY,
run_as_root=True)
mock_execute.assert_called_once_with('umount',
mock.ANY,
run_as_root=True)
# NOTE(mikal): we can't check for a VFAT output here because the
# filesystem creation stuff has been mocked out because it
# requires root permissions
finally:
if imagefile:
fileutils.delete_if_exists(imagefile)
def configure_container_configdrive(self, container_config, instance,
injected_files):
LOG.debug('Creating LXD config drive')
if CONF.config_drive_format not in ('fs', None):
msg = (_('Invalid config drive format: %s')
% CONF.config_drive_format)
raise exception.InstancePowerOnFailure(reason=msg)
LOG.info(_LI('Using config drive for instance'), instance=instance)
extra_md = {}
inst_md = instance_metadata.InstanceMetadata(instance,
content=injected_files,
extra_md=extra_md)
name = instance.name
try:
with configdrive.ConfigDriveBuilder(instance_md=inst_md) as cdb:
container_configdrive = (
self.container_dir.get_container_configdrive(name)
)
cdb.make_drive(container_configdrive)
container_config = self.configure_disk_path(container_config,
'configdrive',
instance)
except Exception as e:
with excutils.save_and_reraise_exception():
LOG.error(_LE('Creating config drive failed with error: %s'),
e, instance=instance)
return container_config
def _create_cfg_dr_iso(self,
instance,
injected_files,
network_info,
admin_pass=None):
"""Creates an ISO file that contains the injected files.
Used for config drive.
:param instance: The VM instance from OpenStack.
:param injected_files: A list of file paths that will be injected into
the ISO.
:param network_info: The network_info from the nova spawn method.
:param admin_pass: Optional password to inject for the VM.
:return iso_path: The path to the ISO
:return file_name: The file name for the ISO
"""
LOG.info("Creating config drive.", instance=instance)
extra_md = {}
if admin_pass is not None:
extra_md['admin_pass'] = admin_pass
# Sanitize the vifs for the network config
network_info = self._sanitize_network_info(network_info)
inst_md = instance_metadata.InstanceMetadata(instance,
content=injected_files,
extra_md=extra_md,
network_info=network_info)
if not os.path.exists(_VOPT_TMPDIR):
os.mkdir(_VOPT_TMPDIR)
file_name = pvm_util.sanitize_file_name_for_api(
instance.name,
prefix='cfg_',
suffix='.iso',
max_len=pvm_const.MaxLen.VOPT_NAME)
iso_path = os.path.join(_VOPT_TMPDIR, file_name)
with configdrive.ConfigDriveBuilder(instance_md=inst_md) as cdb:
LOG.info("Config drive ISO being built in %s.",
iso_path,
instance=instance)
# There may be an OSError exception when create the config drive.
# If so, retry the operation before raising.
@retrying.retry(
retry_on_exception=lambda exc: isinstance(exc, OSError),
stop_max_attempt_number=2)
def _make_cfg_drive(iso_path):
cdb.make_drive(iso_path)
try:
_make_cfg_drive(iso_path)
return iso_path, file_name
except OSError:
with excutils.save_and_reraise_exception(logger=LOG):
LOG.exception("Config drive ISO could not be built",
instance=instance)
def _create_ext4_ploop(self, calls):
imagefile = None
with mock.patch.object(utils, 'execute', return_value=('', '')) as ex:
with configdrive.ConfigDriveBuilder(FakeInstanceMD()) as c:
imagefile = "/tmp/cd_ext4_" + str(uuid.uuid4())[:8]
c.make_drive(imagefile, image_type='ploop')
ex.assert_has_calls(calls)
return imagefile
def _create_cfg_dr_iso(self,
instance,
injected_files,
network_info,
iso_path,
admin_pass=None):
"""Creates an ISO file that contains the injected files.
Used for config drive.
:param instance: The VM instance from OpenStack.
:param injected_files: A list of file paths that will be injected into
the ISO.
:param network_info: The network_info from the nova spawn method.
:param iso_path: The absolute file path for the new ISO
:param admin_pass: Optional password to inject for the VM.
"""
LOG.info("Creating config drive.", instance=instance)
extra_md = {}
if admin_pass is not None:
extra_md['admin_pass'] = admin_pass
# Sanitize the vifs for the network config
network_info = self._sanitize_network_info(network_info)
inst_md = instance_metadata.InstanceMetadata(instance,
content=injected_files,
extra_md=extra_md,
network_info=network_info)
# fix instance uuid to match uuid assigned to VM
inst_md.uuid = vm.get_pvm_uuid(instance).lower()
with configdrive.ConfigDriveBuilder(instance_md=inst_md) as cdb:
LOG.info("Config drive ISO building to path %(iso_path)s.",
{'iso_path': iso_path},
instance=instance)
# In case, if there's an OSError related failure while
# creating config drive, retry make drive operation.
def _retry_on_oserror(exc):
return isinstance(exc, OSError)
@retrying.retry(retry_on_exception=_retry_on_oserror,
stop_max_attempt_number=2)
def _make_cfg_drive(iso_path):
cdb.make_drive(iso_path)
try:
_make_cfg_drive(iso_path)
except OSError:
with excutils.save_and_reraise_exception(logger=LOG):
# If we get here, that means there's an exception during
# second attempt, log the same and fail the deploy
# operation.
LOG.exception("Config drive ISO could not be built.",
instance=instance)
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 _create_cfg_dr_iso(self,
instance,
injected_files,
network_info,
admin_pass=None):
"""Creates an ISO file that contains the injected files.
Used for config drive.
:param instance: The VM instance from OpenStack.
:param injected_files: A list of file paths that will be injected into
the ISO.
:param network_info: The network_info from the nova spawn method.
:param admin_pass: Optional password to inject for the VM.
:return iso_path: The path to the ISO
:return file_name: The file name for the ISO
"""
LOG.info(_LI("Creating config drive for instance: %s"),
instance.name,
instance=instance)
extra_md = {}
if admin_pass is not None:
extra_md['admin_pass'] = admin_pass
# Sanitize the vifs for the network config
network_info = self._sanitize_network_info(network_info)
inst_md = instance_metadata.InstanceMetadata(instance,
content=injected_files,
extra_md=extra_md,
network_info=network_info)
# Make sure the path exists.
im_path = CONF.powervm.image_meta_local_path
if not os.path.exists(im_path):
os.mkdir(im_path)
file_name = pvm_util.sanitize_file_name_for_api(
instance.name,
prefix=CFG_DRV_PREFIX,
suffix=CFG_DRV_SUFFIX,
max_len=pvm_const.MaxLen.VOPT_NAME)
iso_path = os.path.join(im_path, file_name)
with configdrive.ConfigDriveBuilder(instance_md=inst_md) as cdb:
LOG.info(_LI("Config drive ISO being built for instance %(inst)s "
"building to path %(iso_path)s."), {
'inst': instance.name,
'iso_path': iso_path
},
instance=instance)
cdb.make_drive(iso_path)
return iso_path, file_name
def _create_config_drive(self, instance, injected_files, admin_password):
if CONF.config_drive_format != 'iso9660':
vmutils.HyperVException(
_('Invalid config_drive_format "%s"') %
CONF.config_drive_format)
LOG.info(_('Using config drive for instance: %s'), 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)
instance_path = self._pathutils.get_instance_dir(instance['name'])
configdrive_path_iso = os.path.join(instance_path, 'configdrive.iso')
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:
drive_type = constants.IDE_DISK
configdrive_path = os.path.join(instance_path, 'configdrive.vhd')
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:
drive_type = constants.IDE_DVD
configdrive_path = configdrive_path_iso
self._vmutils.attach_ide_drive(instance['name'], configdrive_path, 1,
0, drive_type)
def _create_config_drive(self, instance, injected_files, admin_password,
network_info):
if CONF.config_drive_format != 'iso9660':
raise vmutils.UnsupportedConfigDriveFormatException(
_('Invalid config_drive_format "%s"') %
CONF.config_drive_format)
LOG.info(_LI('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)
instance_path = self._pathutils.get_instance_dir(instance.name)
configdrive_path_iso = os.path.join(instance_path, 'configdrive.iso')
LOG.info(_LI('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(_LE('Creating config drive failed with '
'error: %s'),
e,
instance=instance)
if not CONF.hyperv.config_drive_cdrom:
configdrive_path = os.path.join(instance_path, 'configdrive.vhd')
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 _create_cfg_dr_iso(self,
instance,
injected_files,
network_info,
iso_path,
admin_pass=None):
"""Creates an ISO file that contains the injected files.
Used for config drive.
:param instance: The VM instance from OpenStack.
:param injected_files: A list of file paths that will be injected into
the ISO.
:param network_info: The network_info from the nova spawn method.
:param iso_path: The absolute file path for the new ISO
:param admin_pass: Optional password to inject for the VM.
"""
LOG.info("Creating config drive.", instance=instance)
extra_md = {}
if admin_pass is not None:
extra_md['admin_pass'] = admin_pass
# Sanitize the vifs for the network config
network_info = self._sanitize_network_info(network_info)
inst_md = instance_metadata.InstanceMetadata(instance,
content=injected_files,
extra_md=extra_md,
network_info=network_info)
with configdrive.ConfigDriveBuilder(instance_md=inst_md) as cdb:
LOG.info("Config drive ISO being built in %s.",
iso_path,
instance=instance)
# There may be an OSError exception when create the config drive.
# If so, retry the operation before raising.
@retrying.retry(
retry_on_exception=lambda exc: isinstance(exc, OSError),
stop_max_attempt_number=2)
def _make_cfg_drive(iso_path):
cdb.make_drive(iso_path)
try:
_make_cfg_drive(iso_path)
except OSError:
with excutils.save_and_reraise_exception(logger=LOG):
LOG.exception("Config drive ISO could not be built",
instance=instance)
def _create_config_drive(self, instance, injected_files, admin_password):
if CONF.config_drive_format != 'iso9660':
vmutils.HyperVException(
_('Invalid config_drive_format "%s"') %
CONF.config_drive_format)
LOG.info(_('Using config drive'), instance=instance)
extra_md = {}
if admin_password and CONF.config_drive_inject_password:
extra_md['admin_pass'] = admin_password
inst_md = instance_metadata.InstanceMetadata(instance,
content=injected_files,
extra_md=extra_md)
instance_path = self._vmutils.get_instance_path(instance['name'])
configdrive_path_iso = os.path.join(instance_path, 'configdrive.iso')
LOG.info(_('Creating config drive at %(path)s'),
{'path': configdrive_path_iso},
instance=instance)
cdb = configdrive.ConfigDriveBuilder(instance_md=inst_md)
try:
cdb.make_drive(configdrive_path_iso)
finally:
cdb.cleanup()
if not CONF.config_drive_cdrom:
drive_type = constants.IDE_DISK
configdrive_path = os.path.join(instance_path, 'configdrive.vhd')
utils.execute(CONF.qemu_img_cmd,
'convert',
'-f',
'raw',
'-O',
'vpc',
configdrive_path_iso,
configdrive_path,
attempts=1)
os.remove(configdrive_path_iso)
else:
drive_type = constants.IDE_DVD
configdrive_path = configdrive_path_iso
self._attach_ide_drive(instance['name'], configdrive_path, 1, 0,
drive_type)
def test_create_configdrive_vfat(self):
imagefile = None
try:
self.mox.StubOutWithMock(virtutils, 'mkfs')
self.mox.StubOutWithMock(utils, 'execute')
self.mox.StubOutWithMock(utils, 'trycmd')
virtutils.mkfs('vfat', mox.IgnoreArg(),
label='config-2').AndReturn(None)
utils.trycmd('mount',
'-o',
'loop',
mox.IgnoreArg(),
mox.IgnoreArg(),
run_as_root=True).AndReturn((None, None))
utils.trycmd('chown',
mox.IgnoreArg(),
mox.IgnoreArg(),
run_as_root=True).AndReturn((None, None))
utils.execute('umount', mox.IgnoreArg(),
run_as_root=True).AndReturn(None)
self.mox.ReplayAll()
c = configdrive.ConfigDriveBuilder()
c._add_file('this/is/a/path/hello', 'This is some content')
(fd, imagefile) = tempfile.mkstemp(prefix='cd_vfat_')
os.close(fd)
c._make_vfat(imagefile)
c.cleanup()
# Check cleanup
self.assertFalse(os.path.exists(c.tempdir))
# NOTE(mikal): we can't check for a VFAT output here because the
# filesystem creation stuff has been mocked out because it
# requires root permissions
finally:
if imagefile:
utils.delete_if_exists(imagefile)
def _create_cfg_dr_iso(self,
instance,
injected_files,
network_info,
admin_pass=None):
"""Creates an ISO file that contains the injected files.
Used for config drive.
:param instance: The VM instance from OpenStack.
:param injected_files: A list of file paths that will be injected into
the ISO.
:param network_info: The network_info from the nova spawn method.
:param admin_pass: Optional password to inject for the VM.
:return iso_path: The path to the ISO
:return file_name: The file name for the ISO
"""
LOG.info("Creating config drive.", instance=instance)
extra_md = {}
if admin_pass is not None:
extra_md['admin_pass'] = admin_pass
# Sanitize the vifs for the network config
network_info = self._sanitize_network_info(network_info)
inst_md = instance_metadata.InstanceMetadata(instance,
content=injected_files,
extra_md=extra_md,
network_info=network_info)
# Make sure the path exists.
im_path = CONF.powervm.image_meta_local_path
if not os.path.exists(im_path):
os.mkdir(im_path)
file_name = pvm_util.sanitize_file_name_for_api(
instance.name,
prefix=CFG_DRV_PREFIX,
suffix=CFG_DRV_SUFFIX,
max_len=pvm_const.MaxLen.VOPT_NAME)
iso_path = os.path.join(im_path, file_name)
with configdrive.ConfigDriveBuilder(instance_md=inst_md) as cdb:
LOG.info("Config drive ISO building to path %(iso_path)s.",
{'iso_path': iso_path},
instance=instance)
# In case, if there's an OSError related failure while
# creating config drive, retry make drive operation.
def _retry_on_oserror(exc):
return isinstance(exc, OSError)
@retrying.retry(retry_on_exception=_retry_on_oserror,
stop_max_attempt_number=2)
def _make_cfg_drive(iso_path):
cdb.make_drive(iso_path)
try:
_make_cfg_drive(iso_path)
return iso_path, file_name
except OSError:
with excutils.save_and_reraise_exception(logger=LOG):
# If we get here, that means there's an exception during
# second attempt, log the same and fail the deploy
# operation.
LOG.exception("Config drive ISO could not be built.",
instance=instance)
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_driver_fields(self,
node,
instance,
image_meta,
flavor,
admin_pass=None,
files=None,
network_info=None,
preserve_ephemeral=None):
icli = client_wrapper.IronicClientWrapper()
patch = patcher.create(node).get_deploy_patch(instance, image_meta,
flavor,
preserve_ephemeral)
# Associate the node with an instance
patch.append({
'path': '/instance_uuid',
'op': 'add',
'value': instance['uuid']
})
if configdrive.required_by(instance):
LOG.info(_('Using config drive'), instance=instance)
extra_md = {}
if admin_pass:
extra_md['admin_pass'] = admin_pass
inst_md = instance_metadata.InstanceMetadata(
instance,
content=files,
extra_md=extra_md,
network_info=network_info)
fd, configdrive_path = tempfile.mkstemp()
os.close(fd)
with configdrive.ConfigDriveBuilder(instance_md=inst_md) as cdb:
try:
cdb.make_drive(configdrive_path)
except processutils.ProcessExecutionError as e:
with excutils.save_and_reraise_exception():
LOG.error(_('Creating config drive failed '
'with error: %s'),
e,
instance=instance)
# gzip the configdrive.
with open(configdrive_path, "rb") as configdrive_fh:
configdrive_payload = base64.b64encode(
zlib.compress(configdrive_fh.read()))
os.remove(configdrive_path)
patch.append({
'path': '/instance_info/config_drive',
'op': 'add',
'value': configdrive_payload
})
try:
icli.call('node.update', node.uuid, patch)
except ironic_exception.BadRequest:
msg = (_("Failed to add deploy parameters on node %(node)s "
"when provisioning the instance %(instance)s") % {
'node': node.uuid,
'instance': instance['uuid']
})
LOG.error(msg)
raise exception.InstanceDeployFailure(msg)
def _add_configdrive(self, instance, injected_files):
"""Configure the config drive for the container
:param instance: nova instance object
:param injected_files: instance injected files
"""
LOG.debug('add_configdrive called for instance', instance=instance)
extra_md = {}
inst_md = instance_metadata.InstanceMetadata(instance,
content=injected_files,
extra_md=extra_md)
# Create the ISO image so we can inject the contents of the ISO
# into the container
iso_path = os.path.join(self.instance_dir, 'configdirve.iso')
with configdrive.ConfigDriveBuilder(instance_md=inst_md) as cdb:
try:
cdb.make_drive(iso_path)
except Exception as e:
with excutils.save_and_reraise_exception():
LOG.error(_LE('Creating config drive failed with error: '
'%s'),
e,
instance=instance)
# Copy the metadata info from the ISO into the container
configdrive_dir = \
self.container_dir.get_container_configdrive(instance.name)
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' %
(self._uid_map('/etc/subuid').rstrip(),
self._uid_map('/etc/subgid').rstrip()),
configdrive_dir,
run_as_root=True)
finally:
if mounted:
utils.execute('umount', tmpdir, run_as_root=True)
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