def check_image_size(task):
"""Check if the requested image is larger than the root partition size.
Does nothing for whole-disk images.
:param task: a TaskManager instance containing the node to act on.
:raises: InstanceDeployFailure if size of the image is greater than root
partition.
"""
if task.node.driver_internal_info['is_whole_disk_image']:
# The root partition is already created and populated, no use
# validating its size
return
i_info = deploy_utils.parse_instance_info(task.node)
image_path = deploy_utils._get_image_file_path(task.node.uuid)
image_mb = disk_utils.get_image_mb(image_path)
root_mb = 1024 * int(i_info['root_gb'])
if image_mb > root_mb:
msg = (_('Root partition is too small for requested image. Image '
'virtual size: %(image_mb)d MB, Root size: %(root_mb)d MB') %
{
'image_mb': image_mb,
'root_mb': root_mb
})
raise exception.InstanceDeployFailure(msg)
def get_deploy_info(node, address, iqn, port=None, lun='1', conv_flags=None):
"""Returns the information required for doing iSCSI deploy in a dictionary.
:param node: ironic node object
:param address: iSCSI address
:param iqn: iSCSI iqn for the target disk
:param port: iSCSI port, defaults to one specified in the configuration
:param lun: iSCSI lun, defaults to '1'
:param conv_flags: flag that will modify the behaviour of the image copy
to disk.
:raises: MissingParameterValue, if some required parameters were not
passed.
:raises: InvalidParameterValue, if any of the parameters have invalid
value.
"""
i_info = deploy_utils.parse_instance_info(node)
params = {
'address': address,
'port': port or CONF.iscsi.portal_port,
'iqn': iqn,
'lun': lun,
'image_path': deploy_utils._get_image_file_path(node.uuid),
'node_uuid': node.uuid}
is_whole_disk_image = node.driver_internal_info['is_whole_disk_image']
if not is_whole_disk_image:
params.update({'root_mb': i_info['root_mb'],
'swap_mb': i_info['swap_mb'],
'ephemeral_mb': i_info['ephemeral_mb'],
'preserve_ephemeral': i_info['preserve_ephemeral'],
'boot_option': deploy_utils.get_boot_option(node),
'boot_mode': _get_boot_mode(node),
'cpu_arch': node.properties.get('cpu_arch')})
# Append disk label if specified
disk_label = deploy_utils.get_disk_label(node)
if disk_label is not None:
params['disk_label'] = disk_label
missing = [key for key in params if params[key] is None]
if missing:
raise exception.MissingParameterValue(
_("Parameters %s were not passed to ironic"
" for deploy.") % missing)
# configdrive is nullable
params['configdrive'] = i_info.get('configdrive')
if is_whole_disk_image:
return params
if conv_flags:
params['conv_flags'] = conv_flags
# ephemeral_format is nullable
params['ephemeral_format'] = i_info.get('ephemeral_format')
return params
def check_image_size(task):
"""Check if the requested image is larger than the root partition size.
Does nothing for whole-disk images.
:param task: a TaskManager instance containing the node to act on.
:raises: InstanceDeployFailure if size of the image is greater than root
partition.
"""
if task.node.driver_internal_info['is_whole_disk_image']:
# The root partition is already created and populated, no use
# validating its size
return
i_info = deploy_utils.parse_instance_info(task.node)
image_path = deploy_utils._get_image_file_path(task.node.uuid)
image_mb = disk_utils.get_image_mb(image_path)
root_mb = 1024 * int(i_info['root_gb'])
if image_mb > root_mb:
msg = (_('Root partition is too small for requested image. Image '
'virtual size: %(image_mb)d MB, Root size: %(root_mb)d MB')
% {'image_mb': image_mb, 'root_mb': root_mb})
raise exception.InstanceDeployFailure(msg)
def get_deploy_info(node, address, iqn, port=None, lun='1', conv_flags=None):
"""Returns the information required for doing iSCSI deploy in a dictionary.
:param node: ironic node object
:param address: iSCSI address
:param iqn: iSCSI iqn for the target disk
:param port: iSCSI port, defaults to one specified in the configuration
:param lun: iSCSI lun, defaults to '1'
:param conv_flags: flag that will modify the behaviour of the image copy
to disk.
:raises: MissingParameterValue, if some required parameters were not
passed.
:raises: InvalidParameterValue, if any of the parameters have invalid
value.
"""
i_info = deploy_utils.parse_instance_info(node)
params = {
'address': address,
'port': port or CONF.iscsi.portal_port,
'iqn': iqn,
'lun': lun,
'image_path': deploy_utils._get_image_file_path(node.uuid),
'node_uuid': node.uuid}
is_whole_disk_image = node.driver_internal_info['is_whole_disk_image']
if not is_whole_disk_image:
params.update({'root_mb': i_info['root_mb'],
'swap_mb': i_info['swap_mb'],
'ephemeral_mb': i_info['ephemeral_mb'],
'preserve_ephemeral': i_info['preserve_ephemeral'],
'boot_option': deploy_utils.get_boot_option(node),
'boot_mode': boot_mode_utils.get_boot_mode(node)})
cpu_arch = node.properties.get('cpu_arch')
if cpu_arch is not None:
params['cpu_arch'] = cpu_arch
# Append disk label if specified
disk_label = deploy_utils.get_disk_label(node)
if disk_label is not None:
params['disk_label'] = disk_label
missing = [key for key in params if params[key] is None]
if missing:
raise exception.MissingParameterValue(
_("Parameters %s were not passed to ironic"
" for deploy.") % missing)
# configdrive is nullable
params['configdrive'] = i_info.get('configdrive')
if is_whole_disk_image:
return params
if conv_flags:
params['conv_flags'] = conv_flags
# ephemeral_format is nullable
params['ephemeral_format'] = i_info.get('ephemeral_format')
return params
