def deploy_disk_image(address,
port,
iqn,
lun,
image_path,
node_uuid,
configdrive=None,
conv_flags=None):
"""All-in-one function to deploy a whole disk image to a node.
:param address: The iSCSI IP address.
:param port: The iSCSI port number.
:param iqn: The iSCSI qualified name.
:param lun: The iSCSI logical unit number.
:param image_path: Path for the instance's disk image.
:param node_uuid: node's uuid.
:param configdrive: Optional. Base64 encoded Gzipped configdrive content
or configdrive HTTP URL.
:param conv_flags: Optional. Add a flag that will modify the behaviour of
the image copy to disk.
:returns: a dictionary containing the key 'disk identifier' to identify
the disk which was used for deployment.
"""
with _iscsi_setup_and_handle_errors(address, port, iqn, lun) as dev:
disk_utils.populate_image(image_path, dev, conv_flags=conv_flags)
if configdrive:
disk_utils.create_config_drive_partition(node_uuid, dev,
configdrive)
disk_identifier = disk_utils.get_disk_identifier(dev)
return {'disk identifier': disk_identifier}
def deploy_disk_image(address,
port,
iqn,
lun,
image_path,
node_uuid,
configdrive=None):
"""All-in-one function to deploy a whole disk image to a node.
:param address: The iSCSI IP address.
:param port: The iSCSI port number.
:param iqn: The iSCSI qualified name.
:param lun: The iSCSI logical unit number.
:param image_path: Path for the instance's disk image.
:param node_uuid: node's uuid. Used for logging. Currently not in use
by this function but could be used in the future.
:param configdrive: Optional. Base64 encoded Gzipped configdrive content
or configdrive HTTP URL.
:returns: a dictionary containing the key 'disk identifier' to identify
the disk which was used for deployment.
"""
with _iscsi_setup_and_handle_errors(address, port, iqn, lun) as dev:
disk_utils.populate_image(image_path, dev)
disk_identifier = disk_utils.get_disk_identifier(dev)
if configdrive:
disk_utils.create_config_drive_partition(node_uuid, dev,
configdrive)
return {'disk identifier': disk_identifier}
def deploy_disk_image(address, port, iqn, lun,
image_path, node_uuid, configdrive=None):
"""All-in-one function to deploy a whole disk image to a node.
:param address: The iSCSI IP address.
:param port: The iSCSI port number.
:param iqn: The iSCSI qualified name.
:param lun: The iSCSI logical unit number.
:param image_path: Path for the instance's disk image.
:param node_uuid: node's uuid. Used for logging. Currently not in use
by this function but could be used in the future.
:param configdrive: Optional. Base64 encoded Gzipped configdrive content
or configdrive HTTP URL.
:returns: a dictionary containing the key 'disk identifier' to identify
the disk which was used for deployment.
"""
with _iscsi_setup_and_handle_errors(address, port, iqn,
lun) as dev:
disk_utils.populate_image(image_path, dev)
disk_identifier = disk_utils.get_disk_identifier(dev)
if configdrive:
disk_utils.create_config_drive_partition(node_uuid, dev,
configdrive)
return {'disk identifier': disk_identifier}
def deploy_disk_image(address, port, iqn, lun, image_path, node_uuid):
"""All-in-one function to deploy a whole disk image to a node.
:param address: The iSCSI IP address.
:param port: The iSCSI port number.
:param iqn: The iSCSI qualified name.
:param lun: The iSCSI logical unit number.
:param image_path: Path for the instance's disk image.
:param node_uuid: node's uuid. Used for logging. Currently not in use
by this function but could be used in the future.
:returns: a dictionary containing the key 'disk identifier' to identify
the disk which was used for deployment.
"""
with _iscsi_setup_and_handle_errors(address, port, iqn, lun) as dev:
disk_utils.populate_image(image_path, dev)
disk_identifier = disk_utils.get_disk_identifier(dev)
return {"disk identifier": disk_identifier}
def work_on_disk(dev, root_mb, swap_mb, ephemeral_mb, ephemeral_format,
image_path, node_uuid, preserve_ephemeral=False,
configdrive=None, boot_option="netboot", boot_mode="bios",
tempdir=None, disk_label=None, cpu_arch="", conv_flags=None):
"""Create partitions and copy an image to the root partition.
:param dev: Path for the device to work on.
:param root_mb: Size of the root partition in megabytes.
:param swap_mb: Size of the swap partition in megabytes.
:param ephemeral_mb: Size of the ephemeral partition in megabytes. If 0,
no ephemeral partition will be created.
:param ephemeral_format: The type of file system to format the ephemeral
partition.
:param image_path: Path for the instance's disk image. If ``None``,
the root partition is prepared but not populated.
:param node_uuid: node's uuid. Used for logging.
:param preserve_ephemeral: If True, no filesystem is written to the
ephemeral block device, preserving whatever content it had (if the
partition table has not changed).
:param configdrive: Optional. Base64 encoded Gzipped configdrive content
or configdrive HTTP URL.
:param boot_option: Can be "local" or "netboot". "netboot" by default.
:param boot_mode: Can be "bios" or "uefi". "bios" by default.
:param tempdir: A temporary directory
:param disk_label: The disk label to be used when creating the
partition table. Valid values are: "msdos", "gpt" or None; If None
Ironic will figure it out according to the boot_mode parameter.
:param cpu_arch: Architecture of the node the disk device belongs to.
When using the default value of None, no architecture specific
steps will be taken. This default should be used for x86_64. When
set to ppc64*, architecture specific steps are taken for booting a
partition image locally.
:param conv_flags: Flags that need to be sent to the dd command, to control
the conversion of the original file when copying to the host. It can
contain several options separated by commas.
:returns: a dictionary containing the following keys:
'root uuid': UUID of root partition
'efi system partition uuid': UUID of the uefi system partition
(if boot mode is uefi).
`partitions`: mapping of partition types to their device paths.
NOTE: If key exists but value is None, it means partition doesn't
exist.
"""
# the only way for preserve_ephemeral to be set to true is if we are
# rebuilding an instance with --preserve_ephemeral.
commit = not preserve_ephemeral
# now if we are committing the changes to disk clean first.
if commit:
disk_utils.destroy_disk_metadata(dev, node_uuid)
try:
# If requested, get the configdrive file and determine the size
# of the configdrive partition
configdrive_mb = 0
configdrive_file = None
if configdrive:
configdrive_mb, configdrive_file = get_configdrive(
configdrive, node_uuid, tempdir=tempdir)
part_dict = disk_utils.make_partitions(dev,
root_mb, swap_mb, ephemeral_mb,
configdrive_mb, node_uuid,
commit=commit,
boot_option=boot_option,
boot_mode=boot_mode,
disk_label=disk_label,
cpu_arch=cpu_arch)
LOG.info("Successfully completed the disk device"
" %(dev)s partitioning for node %(node)s",
{'dev': dev, "node": node_uuid})
ephemeral_part = part_dict.get('ephemeral')
swap_part = part_dict.get('swap')
configdrive_part = part_dict.get('configdrive')
root_part = part_dict.get('root')
if not disk_utils.is_block_device(root_part):
raise exception.InstanceDeployFailure(
"Root device '%s' not found" % root_part)
for part in ('swap', 'ephemeral', 'configdrive',
'efi system partition', 'PReP Boot partition'):
part_device = part_dict.get(part)
LOG.debug("Checking for %(part)s device (%(dev)s) on node "
"%(node)s.", {'part': part, 'dev': part_device,
'node': node_uuid})
if part_device and not disk_utils.is_block_device(part_device):
raise exception.InstanceDeployFailure(
"'%(partition)s' device '%(part_device)s' not found" %
{'partition': part, 'part_device': part_device})
# If it's a uefi localboot, then we have created the efi system
# partition. Create a fat filesystem on it.
if boot_mode == "uefi" and boot_option == "local":
efi_system_part = part_dict.get('efi system partition')
utils.mkfs(fs='vfat', path=efi_system_part, label='efi-part')
if configdrive_part:
# Copy the configdrive content to the configdrive partition
disk_utils.dd(configdrive_file, configdrive_part,
conv_flags=conv_flags)
LOG.info("Configdrive for node %(node)s successfully copied "
"onto partition %(partition)s",
{'node': node_uuid, 'partition': configdrive_part})
finally:
# If the configdrive was requested make sure we delete the file
# after copying the content to the partition
if configdrive_file:
utils.unlink_without_raise(configdrive_file)
if image_path is not None:
disk_utils.populate_image(image_path, root_part, conv_flags=conv_flags)
LOG.info("Image for %(node)s successfully populated",
{'node': node_uuid})
else:
LOG.debug("Root partition for %s was created, but not populated",
node_uuid)
if swap_part:
utils.mkfs(fs='swap', path=swap_part, label='swap1')
LOG.info("Swap partition %(swap)s successfully formatted "
"for node %(node)s",
{'swap': swap_part, 'node': node_uuid})
if ephemeral_part and not preserve_ephemeral:
utils.mkfs(fs=ephemeral_format, path=ephemeral_part,
label="ephemeral0")
LOG.info("Ephemeral partition %(ephemeral)s successfully "
"formatted for node %(node)s",
{'ephemeral': ephemeral_part, 'node': node_uuid})
uuids_to_return = {
'root uuid': root_part,
'efi system partition uuid': part_dict.get('efi system partition'),
}
if cpu_arch.startswith('ppc'):
uuids_to_return[
'PReP Boot partition uuid'
] = part_dict.get('PReP Boot partition')
try:
for part, part_dev in uuids_to_return.items():
if part_dev:
uuids_to_return[part] = disk_utils.block_uuid(part_dev)
except processutils.ProcessExecutionError:
with excutils.save_and_reraise_exception():
LOG.error("Failed to detect %s", part)
return dict(partitions=part_dict, **uuids_to_return)
def test_populate_qcow2_image(self, mock_cg, mock_qinfo, mock_dd):
type(mock_qinfo.return_value).file_format = mock.PropertyMock(
return_value='qcow2')
disk_utils.populate_image('src', 'dst')
mock_cg.assert_called_once_with('src', 'dst', 'raw', True)
self.assertFalse(mock_dd.called)
def test_populate_qcow2_image(self, mock_cg, mock_qinfo, mock_dd):
type(mock_qinfo.return_value).file_format = mock.PropertyMock(
return_value='qcow2')
disk_utils.populate_image('src', 'dst')
mock_cg.assert_called_once_with('src', 'dst', 'raw', True)
self.assertFalse(mock_dd.called)
