def obj_calculate_child_version(self, target_version, child):
"""Calculate the appropriate version for a child object.
This is to be used when backporting an object for an older client.
A sub-object will need to be backported to a suitable version for
the client as well, and this method will calculate what that
version should be, based on obj_relationships.
:param target_version: Version this object is being backported to
:param child: The child field for which the appropriate version
is to be calculated
:returns: None if the child should be omitted from the backport,
otherwise, the version to which the child should be
backported
"""
target_version = utils.convert_version_to_tuple(target_version)
for index, versions in enumerate(self.obj_relationships[child]):
my_version, child_version = versions
my_version = utils.convert_version_to_tuple(my_version)
if target_version < my_version:
if index == 0:
# We're backporting to a version from before this
# subobject was added: delete it from the primitive.
return None
else:
# We're in the gap between index-1 and index, so
# backport to the older version
return self.obj_relationships[child][index - 1][1]
elif target_version == my_version:
# This is the first mapping that satisfies the
# target_version request: backport the object.
return child_version
# No need to backport, as far as we know, so return the latest
# version of the sub-object we know about
return self.obj_relationships[child][-1][1]
def obj_calculate_child_version(self, target_version, child):
"""Calculate the appropriate version for a child object.
This is to be used when backporting an object for an older client.
A sub-object will need to be backported to a suitable version for
the client as well, and this method will calculate what that
version should be, based on obj_relationships.
:param target_version: Version this object is being backported to
:param child: The child field for which the appropriate version
is to be calculated
:returns: None if the child should be omitted from the backport,
otherwise, the version to which the child should be
backported
"""
target_version = utils.convert_version_to_tuple(target_version)
for index, versions in enumerate(self.obj_relationships[child]):
my_version, child_version = versions
my_version = utils.convert_version_to_tuple(my_version)
if target_version < my_version:
if index == 0:
# We're backporting to a version from before this
# subobject was added: delete it from the primitive.
return None
else:
# We're in the gap between index-1 and index, so
# backport to the older version
return self.obj_relationships[child][index - 1][1]
elif target_version == my_version:
# This is the first mapping that satisfies the
# target_version request: backport the object.
return child_version
# No need to backport, as far as we know, so return the latest
# version of the sub-object we know about
return self.obj_relationships[child][-1][1]
def obj_make_compatible(self, primitive, target_version):
target_version = utils.convert_version_to_tuple(target_version)
if target_version < (1, 1) and 'requests' in primitive:
for index, request in enumerate(self.requests):
request.obj_make_compatible(
primitive['requests'][index]['patron_object.data'], '1.0')
primitive['requests'][index]['patron_object.version'] = '1.0'
def obj_make_compatible(self, primitive, target_version):
_target_version = utils.convert_version_to_tuple(target_version)
if _target_version < (1, 10):
target_compute_version = self.obj_calculate_child_version(
target_version, 'compute_node')
# service.compute_node was not lazy-loaded, we need to provide it
# when called
self._do_compute_node(self._context, primitive,
target_compute_version)
super(Service, self).obj_make_compatible(primitive, target_version)
def obj_make_compatible(self, primitive, target_version):
_target_version = utils.convert_version_to_tuple(target_version)
if _target_version < (1, 10):
target_compute_version = self.obj_calculate_child_version(
target_version, 'compute_node')
# service.compute_node was not lazy-loaded, we need to provide it
# when called
self._do_compute_node(self._context, primitive,
target_compute_version)
super(Service, self).obj_make_compatible(primitive, target_version)
def obj_make_compatible(self, primitive, target_version):
target_version = utils.convert_version_to_tuple(target_version)
if target_version < (1, 2):
if 'mtu' in primitive:
del primitive['mtu']
if 'enable_dhcp' in primitive:
del primitive['enable_dhcp']
if 'dhcp_server' in primitive:
del primitive['dhcp_server']
if 'share_address' in primitive:
del primitive['share_address']
def obj_make_compatible(self, primitive, target_version):
target_version = utils.convert_version_to_tuple(target_version)
if target_version < (1, 2):
if 'mtu' in primitive:
del primitive['mtu']
if 'enable_dhcp' in primitive:
del primitive['enable_dhcp']
if 'dhcp_server' in primitive:
del primitive['dhcp_server']
if 'share_address' in primitive:
del primitive['share_address']
def obj_make_compatible(self, primitive, target_version):
super(ComputeNode, self).obj_make_compatible(primitive, target_version)
target_version = utils.convert_version_to_tuple(target_version)
if target_version < (1, 7) and 'host' in primitive:
del primitive['host']
if target_version < (1, 5) and 'numa_topology' in primitive:
del primitive['numa_topology']
if target_version < (1, 4) and 'host_ip' in primitive:
del primitive['host_ip']
if target_version < (1, 3) and 'stats' in primitive:
# pre 1.3 version does not have a stats field
del primitive['stats']
def obj_make_compatible(self, primitive, target_version):
super(ComputeNode, self).obj_make_compatible(primitive, target_version)
target_version = utils.convert_version_to_tuple(target_version)
if target_version < (1, 7) and 'host' in primitive:
del primitive['host']
if target_version < (1, 5) and 'numa_topology' in primitive:
del primitive['numa_topology']
if target_version < (1, 4) and 'host_ip' in primitive:
del primitive['host_ip']
if target_version < (1, 3) and 'stats' in primitive:
# pre 1.3 version does not have a stats field
del primitive['stats']
def _get_product_version_and_brand(self):
"""Return a tuple of (major, minor, rev) for the host version and
a string of the product brand.
"""
software_version = self._get_software_version()
product_version_str = software_version.get('product_version')
# Product version is only set in some cases (e.g. XCP, XenServer) and
# not in others (e.g. xenserver-core, XAPI-XCP).
# In these cases, the platform version is the best number to use.
if product_version_str is None:
product_version_str = software_version.get('platform_version',
'0.0.0')
product_brand = software_version.get('product_brand')
product_version = utils.convert_version_to_tuple(product_version_str)
return product_version, product_brand
def test_convert_version_to_tuple(self):
self.assertEqual(utils.convert_version_to_tuple('6.7.0'), (6, 7, 0))
def test_convert_version_to_tuple(self):
self.assertEqual(utils.convert_version_to_tuple('6.7.0'), (6, 7, 0))
def obj_make_compatible(self, primitive, target_version):
target_version = utils.convert_version_to_tuple(target_version)
if target_version < (1, 2) and 'request_id' in primitive:
del primitive['request_id']
def obj_make_compatible(self, primitive, target_version):
target_version = utils.convert_version_to_tuple(target_version)
if target_version < (1, 7):
# NOTE(danms): Before 1.7, we had an always-empty
# metadetails property
primitive['metadetails'] = {}
def obj_make_compatible(self, primitive, target_version):
super(KeyPair, self).obj_make_compatible(primitive, target_version)
target_version = utils.convert_version_to_tuple(target_version)
if target_version < (1, 2) and 'type' in primitive:
del primitive['type']
def obj_make_compatible(self, primitive, target_version):
super(FixedIP, self).obj_make_compatible(primitive, target_version)
target_version = utils.convert_version_to_tuple(target_version)
if target_version < (1, 4) and 'default_route' in primitive:
del primitive['default_route']
def obj_make_compatible(self, primitive, target_version):
target_version = utils.convert_version_to_tuple(target_version)
if target_version < (1, 1) and 'numa_node' in primitive:
del primitive['numa_node']
def obj_make_compatible(self, primitive, target_version):
super(KeyPair, self).obj_make_compatible(primitive, target_version)
target_version = utils.convert_version_to_tuple(target_version)
if target_version < (1, 2) and 'type' in primitive:
del primitive['type']
