def _update_publish(cls, upd_root):
subscribe_item = etree.Element('resultItem')
subscribe_item.extend(deepcopy(upd_root))
from_name = escape(upd_root[0].attrib['name'])
to_name = None
if not from_name in cls._graph:
cls._graph[from_name] = {'ident': upd_root[0], 'links': {}}
if len(upd_root) == 2:
meta_name = re.sub("{.*}", "contrail:", upd_root[1][0].tag)
link_key = meta_name
link_info = {'meta': upd_root[1]}
cls._graph[from_name]['links'][link_key] = link_info
elif len(upd_root) == 3:
meta_name = re.sub("{.*}", "contrail:", upd_root[2][0].tag)
to_name = escape(upd_root[1].attrib['name'])
link_key = '%s %s' % (meta_name, to_name)
link_info = {'meta': upd_root[2], 'other': upd_root[1]}
cls._graph[from_name]['links'][link_key] = link_info
if not to_name in cls._graph:
cls._graph[to_name] = {'ident': upd_root[1], 'links': {}}
link_key = '%s %s' % (meta_name, from_name)
link_info = {'meta': upd_root[2], 'other': upd_root[0]}
cls._graph[to_name]['links'][link_key] = link_info
else:
raise Exception("Unknown ifmap update: %s" %
(etree.tostring(upd_root)))
subscribe_result = etree.Element('updateResult')
subscribe_result.append(subscribe_item)
return subscribe_result, (from_name, to_name)
def _update_publish(cls, upd_root):
subscribe_item = etree.Element('resultItem')
subscribe_item.extend(deepcopy(upd_root))
from_name = escape(upd_root[0].attrib['name'])
to_name = None
if not from_name in cls._graph:
cls._graph[from_name] = {'ident': upd_root[0], 'links': {}}
if len(upd_root) == 2:
meta_name = re.sub("{.*}", "contrail:", upd_root[1][0].tag)
link_key = meta_name
link_info = {'meta': upd_root[1]}
cls._graph[from_name]['links'][link_key] = link_info
elif len(upd_root) == 3:
meta_name = re.sub("{.*}", "contrail:", upd_root[2][0].tag)
to_name = escape(upd_root[1].attrib['name'])
link_key = '%s %s' % (meta_name, to_name)
link_info = {'meta': upd_root[2], 'other': upd_root[1]}
cls._graph[from_name]['links'][link_key] = link_info
if not to_name in cls._graph:
cls._graph[to_name] = {'ident': upd_root[1], 'links': {}}
link_key = '%s %s' % (meta_name, from_name)
link_info = {'meta': upd_root[2], 'other': upd_root[0]}
cls._graph[to_name]['links'][link_key] = link_info
else:
raise Exception("Unknown ifmap update: %s" %
(etree.tostring(upd_root)))
subscribe_result = etree.Element('updateResult')
subscribe_result.append(subscribe_item)
return subscribe_result, (from_name, to_name)
def _update_publish(cls, upd_root):
subscribe_item = etree.Element("resultItem")
subscribe_item.extend(deepcopy(upd_root))
from_name = escape(upd_root[0].attrib["name"])
to_name = None
if not from_name in cls._graph:
cls._graph[from_name] = {"ident": upd_root[0], "links": {}}
if len(upd_root) == 2:
meta_name = re.sub("{.*}", "contrail:", upd_root[1][0].tag)
link_key = meta_name
link_info = {"meta": upd_root[1]}
cls._graph[from_name]["links"][link_key] = link_info
elif len(upd_root) == 3:
meta_name = re.sub("{.*}", "contrail:", upd_root[2][0].tag)
to_name = escape(upd_root[1].attrib["name"])
link_key = "%s %s" % (meta_name, to_name)
link_info = {"meta": upd_root[2], "other": upd_root[1]}
cls._graph[from_name]["links"][link_key] = link_info
if not to_name in cls._graph:
cls._graph[to_name] = {"ident": upd_root[1], "links": {}}
link_key = "%s %s" % (meta_name, from_name)
link_info = {"meta": upd_root[2], "other": upd_root[0]}
cls._graph[to_name]["links"][link_key] = link_info
else:
raise Exception("Unknown ifmap update: %s" % (etree.tostring(upd_root)))
subscribe_result = etree.Element("updateResult")
subscribe_result.append(subscribe_item)
return subscribe_result, (from_name, to_name)
def _update_publish(cls, upd_root):
subscribe_item = etree.Element('resultItem')
subscribe_item.extend(deepcopy(upd_root))
from_name = escape(upd_root[0].attrib['name'])
if not from_name in cls._graph:
cls._graph[from_name] = {'ident': upd_root[0], 'links': {}}
if len(upd_root) == 2:
meta_name = re.sub("{.*}", "contrail:", upd_root[1][0].tag)
link_key = meta_name
link_info = {'meta': upd_root[1]}
cls._graph[from_name]['links'][link_key] = link_info
elif len(upd_root) == 3:
meta_name = re.sub("{.*}", "contrail:", upd_root[2][0].tag)
to_name = escape(upd_root[1].attrib['name'])
link_key = '%s %s' % (meta_name, to_name)
link_info = {'meta': upd_root[2], 'other': upd_root[1]}
cls._graph[from_name]['links'][link_key] = link_info
# reverse mapping only for strong refs
# currently refs from same type to each other is weak ref
from_type = from_name.split(':')[1]
to_type = to_name.split(':')[1]
if not to_name in cls._graph:
cls._graph[to_name] = {'ident': upd_root[1], 'links': {}}
link_key = '%s %s' % (meta_name, from_name)
link_info = {'meta': upd_root[2], 'other': upd_root[0]}
cls._graph[to_name]['links'][link_key] = link_info
else:
raise Exception("Unknown ifmap update: %s" %
(etree.tostring(upd_root)))
subscribe_result = etree.Element('updateResult')
subscribe_result.append(subscribe_item)
return subscribe_result
def _update_publish(cls, upd_root):
subscribe_item = etree.Element('resultItem')
subscribe_item.extend(deepcopy(upd_root))
from_name = escape(upd_root[0].attrib['name'])
if not from_name in cls._graph:
cls._graph[from_name] = {'ident': upd_root[0], 'links': {}}
if len(upd_root) == 2:
meta_name = re.sub("{.*}", "contrail:", upd_root[1][0].tag)
link_key = meta_name
link_info = {'meta': upd_root[1]}
cls._graph[from_name]['links'][link_key] = link_info
elif len(upd_root) == 3:
meta_name = re.sub("{.*}", "contrail:", upd_root[2][0].tag)
to_name = escape(upd_root[1].attrib['name'])
link_key = '%s %s' % (meta_name, to_name)
link_info = {'meta': upd_root[2], 'other': upd_root[1]}
cls._graph[from_name]['links'][link_key] = link_info
# reverse mapping only for strong refs
# currently refs from same type to each other is weak ref
from_type = from_name.split(':')[1]
to_type = to_name.split(':')[1]
if not to_name in cls._graph:
cls._graph[to_name] = {'ident': upd_root[1], 'links': {}}
link_key = '%s %s' % (meta_name, from_name)
link_info = {'meta': upd_root[2], 'other': upd_root[0]}
cls._graph[to_name]['links'][link_key] = link_info
else:
raise Exception("Unknown ifmap update: %s" %
(etree.tostring(upd_root)))
subscribe_result = etree.Element('updateResult')
subscribe_result.append(subscribe_item)
return subscribe_result
def object_alloc(obj_class, parent_res_type, fq_name):
"""Allocate IF-MAP ID of the resource and its parent."""
res_type = obj_class.resource_type
my_fqn = ":".join(fq_name)
parent_fqn = ":".join(fq_name[:-1])
ifmap_id = "contrail:%s:%s" % (res_type, my_fqn)
if parent_fqn:
if parent_res_type is None:
err_msg = "Parent: %s type is none for: %s" % (parent_fqn, my_fqn)
return False, (409, err_msg)
parent_ifmap_id = "contrail:" + parent_res_type + ":" + parent_fqn
else: # parent is config-root
parent_ifmap_id = "contrail:config-root:root"
return True, (escape(ifmap_id), escape(parent_ifmap_id))
def object_alloc(obj_class, parent_res_type, fq_name):
"""Allocate IF-MAP ID of the resource and its parent."""
res_type = obj_class.resource_type
my_fqn = ':'.join(fq_name)
parent_fqn = ':'.join(fq_name[:-1])
ifmap_id = 'contrail:%s:%s' % (res_type, my_fqn)
if parent_fqn:
if parent_res_type is None:
err_msg = "Parent: %s type is none for: %s" % (parent_fqn,
my_fqn)
return False, (409, err_msg)
parent_ifmap_id = 'contrail:' + parent_res_type + ':' + parent_fqn
else: # parent is config-root
parent_ifmap_id = 'contrail:config-root:root'
return True, (escape(ifmap_id), escape(parent_ifmap_id))
def object_alloc(cls, obj_class, parent_res_type, fq_name):
res_type = obj_class.resource_type
my_fqn = ':'.join(fq_name)
parent_fqn = ':'.join(fq_name[:-1])
my_imid = 'contrail:%s:%s' % (res_type, my_fqn)
if parent_fqn:
if parent_res_type is None:
err_msg = "Parent: %s type is none for: %s" % (parent_fqn,
my_fqn)
return False, (409, err_msg)
parent_imid = 'contrail:' + parent_res_type + ':' + parent_fqn
else: # parent is config-root
parent_imid = 'contrail:config-root:root'
# Normalize/escape special chars
my_imid = escape(my_imid)
parent_imid = escape(parent_imid)
return True, (my_imid, parent_imid)
def object_alloc(cls, obj_class, parent_res_type, fq_name):
res_type = obj_class.resource_type
my_fqn = ':'.join(fq_name)
parent_fqn = ':'.join(fq_name[:-1])
my_imid = 'contrail:%s:%s' %(res_type, my_fqn)
if parent_fqn:
if parent_res_type is None:
err_msg = "Parent: %s type is none for: %s" % (parent_fqn,
my_fqn)
return False, (409, err_msg)
parent_imid = 'contrail:' + parent_res_type + ':' + parent_fqn
else: # parent is config-root
parent_imid = 'contrail:config-root:root'
# Normalize/escape special chars
my_imid = escape(my_imid)
parent_imid = escape(parent_imid)
return True, (my_imid, parent_imid)
def _delete_publish(cls, del_root):
from_name = escape(del_root[0].attrib['name'])
to_name = None
if 'filter' in del_root.attrib:
meta_name = del_root.attrib['filter']
if len(del_root) == 1:
link_key = meta_name
elif len(del_root) == 2:
to_name = escape(del_root[1].attrib['name'])
link_key = '%s %s' % (meta_name, to_name)
else:
raise Exception("Unknown ifmap delete: %s" %
(etree.tostring(del_root)))
link_keys = [link_key]
else: # delete all metadata on this ident or between pair of idents
if len(del_root) == 1:
link_keys = cls._graph[from_name]['links'].keys()
elif len(del_root) == 2:
to_name = escape(del_root[1].attrib['name'])
link_keys = []
if from_name in cls._graph:
all_link_keys = cls._graph[from_name]['links'].keys()
for link_key in all_link_keys:
link_info = cls._graph[from_name]['links'][link_key]
if 'other' in link_info:
if link_key.split()[1] == to_name:
link_keys.append(link_key)
else:
raise Exception("Unknown ifmap delete: %s" %
(etree.tostring(del_root)))
subscribe_result = etree.Element('deleteResult')
for link_key in link_keys:
subscribe_item = etree.Element('resultItem')
subscribe_item.extend(deepcopy(del_root))
link_info = cls._graph[from_name]['links'][link_key]
# generate id1, id2, meta for poll for the case where
# del of ident for all metas requested but we have a
# ref meta to another ident
if len(del_root) == 1 and 'other' in link_info:
to_ident_elem = link_info['other']
subscribe_item.append(to_ident_elem)
subscribe_item.append(deepcopy(link_info['meta']))
subscribe_result.append(subscribe_item)
meta_name = re.sub("{.*}", "contrail:", link_info['meta'][0].tag)
if 'other' in link_info:
other_name = escape(link_info['other'].attrib['name'])
rev_link_key = '%s %s' % (meta_name, from_name)
if other_name in cls._graph:
del cls._graph[other_name]['links'][rev_link_key]
if not cls._graph[other_name]['links']:
del cls._graph[other_name]
del cls._graph[from_name]['links'][link_key]
# delete ident if no links left
if from_name in cls._graph and not cls._graph[from_name]['links']:
del cls._graph[from_name]
if len(subscribe_result) == 0:
subscribe_item = etree.Element('resultItem')
subscribe_item.extend(deepcopy(del_root))
subscribe_result.append(subscribe_item)
return subscribe_result, (from_name, to_name)
def _delete_publish(cls, del_root):
from_name = escape(del_root[0].attrib['name'])
to_name = None
if 'filter' in del_root.attrib:
meta_name = del_root.attrib['filter']
if len(del_root) == 1:
link_key = meta_name
elif len(del_root) == 2:
to_name = escape(del_root[1].attrib['name'])
link_key = '%s %s' % (meta_name, to_name)
else:
raise Exception("Unknown ifmap delete: %s" %
(etree.tostring(del_root)))
link_keys = [link_key]
else: # delete all metadata on this ident or between pair of idents
if len(del_root) == 1:
link_keys = cls._graph[from_name]['links'].keys()
elif len(del_root) == 2:
to_name = escape(del_root[1].attrib['name'])
link_keys = []
if from_name in cls._graph:
all_link_keys = cls._graph[from_name]['links'].keys()
for link_key in all_link_keys:
link_info = cls._graph[from_name]['links'][link_key]
if 'other' in link_info:
if link_key.split()[1] == to_name:
link_keys.append(link_key)
else:
raise Exception("Unknown ifmap delete: %s" %
(etree.tostring(del_root)))
subscribe_result = etree.Element('deleteResult')
for link_key in link_keys:
subscribe_item = etree.Element('resultItem')
subscribe_item.extend(deepcopy(del_root))
link_info = cls._graph[from_name]['links'][link_key]
# generate id1, id2, meta for poll for the case where
# del of ident for all metas requested but we have a
# ref meta to another ident
if len(del_root) == 1 and 'other' in link_info:
to_ident_elem = link_info['other']
subscribe_item.append(to_ident_elem)
subscribe_item.append(deepcopy(link_info['meta']))
subscribe_result.append(subscribe_item)
meta_name = re.sub(
"{.*}", "contrail:", link_info['meta'][0].tag)
if 'other' in link_info:
other_name = escape(link_info['other'].attrib['name'])
rev_link_key = '%s %s' % (meta_name, from_name)
if other_name in cls._graph:
del cls._graph[other_name]['links'][rev_link_key]
if not cls._graph[other_name]['links']:
del cls._graph[other_name]
del cls._graph[from_name]['links'][link_key]
# delete ident if no links left
if from_name in cls._graph and not cls._graph[from_name]['links']:
del cls._graph[from_name]
if len(subscribe_result) == 0:
subscribe_item = etree.Element('resultItem')
subscribe_item.extend(deepcopy(del_root))
subscribe_result.append(subscribe_item)
return subscribe_result, (from_name, to_name)
def _object_set(self, obj_class, ifmap_id, obj_dict, existing_links=None):
# Properties Metadata
metadatas = []
for prop_field in obj_class.prop_fields:
prop_value = obj_dict.get(prop_field)
if prop_value is None:
continue
# construct object of xsd-type and get its xml repr
# e.g. virtual_network_properties
prop_field_types = obj_class.prop_field_types[prop_field]
is_simple = not prop_field_types['is_complex']
prop_type = prop_field_types['xsd_type']
# e.g. virtual-network-properties
meta_name = obj_class.prop_field_metas[prop_field]
meta_long_name = 'contrail:%s' % meta_name
meta_value = ''
meta_elements = ''
if prop_field in self.IFMAP_PUBLISH_SKIP_LIST:
# Field not relevant, skip publishing to IfMap
if not self.IFMAP_PUBLISH_SKIP_LIST[prop_field]:
continue
# Call the handler fn to generate the relevant fields.
try:
func = getattr(self,
self.IFMAP_PUBLISH_SKIP_LIST[prop_field])
meta_elements = func(prop_field, prop_value)
except AttributeError:
log_str = ("%s is marked for partial publish to Ifmap but "
"handler not defined" % prop_field)
self._log(log_str, level=SandeshLevel.SYS_DEBUG)
continue
elif is_simple:
meta_value = escape(str(prop_value))
else: # complex type
prop_cls = str_to_class(prop_type, __name__)
buf = StringIO()
# perms might be inserted at server as obj.
# obj construction diff from dict construction.
if isinstance(prop_value, dict):
prop_cls(**prop_value).exportChildren(buf,
level=1,
name_=meta_name,
pretty_print=False)
elif isinstance(prop_value, list):
for elem in prop_value:
if isinstance(elem, dict):
prop_cls(**elem).exportChildren(buf,
level=1,
name_=meta_name,
pretty_print=False)
else:
elem.exportChildren(buf,
level=1,
name_=meta_name,
pretty_print=False)
else: # object
prop_value.exportChildren(buf,
level=1,
name_=meta_name,
pretty_print=False)
meta_elements = buf.getvalue()
buf.close()
meta = Metadata(meta_name,
meta_value,
{'ifmap-cardinality': 'singleValue'},
ns_prefix='contrail',
elements=meta_elements)
# If obj is new (existing metas is none) or
# if obj does not have this meta (or)
# or if the meta is different from what we have currently,
# then update
if (not existing_links or
meta_long_name not in existing_links or
('meta' in existing_links[meta_long_name] and
unicode(meta) != existing_links[meta_long_name]['meta'])):
metadatas.append(meta)
# end for all property types
VncIfmapServer.update(ifmap_id, metadatas=metadatas)
# References Metadata
for ref_field in obj_class.ref_fields:
refs = obj_dict.get(ref_field)
if not refs:
continue
for ref in refs:
ref_fq_name = ref['to']
ref_fld_types_list = list(obj_class.ref_field_types[ref_field])
ref_res_type = ref_fld_types_list[0]
ref_link_type = ref_fld_types_list[1]
ref_meta = obj_class.ref_field_metas[ref_field]
ref_ifmap_id = get_ifmap_id_from_fq_name(ref_res_type,
ref_fq_name)
ref_data = ref.get('attr')
if ref_data:
buf = StringIO()
attr_cls = str_to_class(ref_link_type, __name__)
attr_cls(**ref_data).exportChildren(buf,
level=1,
name_=ref_meta,
pretty_print=False)
ref_link_xml = buf.getvalue()
buf.close()
else:
ref_link_xml = ''
metadata = Metadata(ref_meta,
'',
{'ifmap-cardinality': 'singleValue'},
ns_prefix='contrail',
elements=ref_link_xml)
VncIfmapServer.update(ifmap_id, ref_ifmap_id, [metadata])
# end for all ref types
return (True, '')
def object_set(self, obj_class, my_imid, existing_metas, obj_dict):
update = {}
# Properties Meta
for prop_field in obj_class.prop_fields:
field = obj_dict.get(prop_field)
if field is None:
continue
# construct object of xsd-type and get its xml repr
# e.g. virtual_network_properties
prop_field_types = obj_class.prop_field_types[prop_field]
is_simple = not prop_field_types['is_complex']
prop_type = prop_field_types['xsd_type']
# e.g. virtual-network-properties
prop_meta = obj_class.prop_field_metas[prop_field]
if prop_field in VncIfmapClient.IFMAP_PUBLISH_SKIP_LIST:
# Field not relevant, skip publishing to IfMap
if not VncIfmapClient.IFMAP_PUBLISH_SKIP_LIST[prop_field]:
continue
# Call the handler fn to generate the relevant fields.
if callable(
VncIfmapClient.IFMAP_PUBLISH_SKIP_LIST[prop_field]):
prop_xml = VncIfmapClient.IFMAP_PUBLISH_SKIP_LIST[
prop_field](prop_field, field)
meta = Metadata(prop_meta,
'', {'ifmap-cardinality': 'singleValue'},
ns_prefix='contrail',
elements=prop_xml)
else:
log_str = '%s is marked for partial publish\
to Ifmap but handler not defined' % (prop_field)
self.config_log(log_str, level=SandeshLevel.SYS_DEBUG)
continue
elif is_simple:
norm_str = escape(str(field))
meta = Metadata(prop_meta,
norm_str, {'ifmap-cardinality': 'singleValue'},
ns_prefix='contrail')
else: # complex type
prop_cls = str_to_class(prop_type, __name__)
buf = cStringIO.StringIO()
# perms might be inserted at server as obj.
# obj construction diff from dict construction.
if isinstance(field, dict):
prop_cls(**field).exportChildren(buf,
level=1,
name_=prop_meta,
pretty_print=False)
elif isinstance(field, list):
for elem in field:
if isinstance(elem, dict):
prop_cls(**elem).exportChildren(buf,
level=1,
name_=prop_meta,
pretty_print=False)
else:
elem.exportChildren(buf,
level=1,
name_=prop_meta,
pretty_print=False)
else: # object
field.exportChildren(buf,
level=1,
name_=prop_meta,
pretty_print=False)
prop_xml = buf.getvalue()
buf.close()
meta = Metadata(prop_meta,
'', {'ifmap-cardinality': 'singleValue'},
ns_prefix='contrail',
elements=prop_xml)
# If obj is new (existing metas is none) or
# if obj does not have this prop_meta (or)
# or if the prop_meta is different from what we have currently,
# then update
if (not existing_metas or not prop_meta in existing_metas
or ('' in existing_metas[prop_meta]
and str(meta) != str(existing_metas[prop_meta]['']))):
self._update_id_self_meta(update, meta)
# end for all property types
# References Meta
for ref_field in obj_class.ref_fields:
refs = obj_dict.get(ref_field)
if not refs:
continue
for ref in refs:
ref_fq_name = ref['to']
ref_fld_types_list = list(obj_class.ref_field_types[ref_field])
ref_res_type = ref_fld_types_list[0]
ref_link_type = ref_fld_types_list[1]
ref_meta = obj_class.ref_field_metas[ref_field]
ref_imid = get_ifmap_id_from_fq_name(ref_res_type, ref_fq_name)
ref_data = ref.get('attr')
if ref_data:
buf = cStringIO.StringIO()
attr_cls = str_to_class(ref_link_type, __name__)
attr_cls(**ref_data).exportChildren(buf,
level=1,
name_=ref_meta,
pretty_print=False)
ref_link_xml = buf.getvalue()
buf.close()
else:
ref_link_xml = ''
meta = Metadata(ref_meta,
'', {'ifmap-cardinality': 'singleValue'},
ns_prefix='contrail',
elements=ref_link_xml)
self._update_id_pair_meta(update, ref_imid, meta)
# end for all ref types
self._publish_update(my_imid, update)
return (True, '')
def object_set(self, obj_class, my_imid, existing_metas, obj_dict):
update = {}
# Properties Meta
for prop_field in obj_class.prop_fields:
field = obj_dict.get(prop_field)
if field is None:
continue
# construct object of xsd-type and get its xml repr
# e.g. virtual_network_properties
prop_field_types = obj_class.prop_field_types[prop_field]
is_simple = not prop_field_types['is_complex']
prop_type = prop_field_types['xsd_type']
# e.g. virtual-network-properties
prop_meta = obj_class.prop_field_metas[prop_field]
if prop_field in VncIfmapClient.IFMAP_PUBLISH_SKIP_LIST:
# Field not relevant, skip publishing to IfMap
if not VncIfmapClient.IFMAP_PUBLISH_SKIP_LIST[prop_field]:
continue
# Call the handler fn to generate the relevant fields.
if callable(VncIfmapClient.IFMAP_PUBLISH_SKIP_LIST[prop_field]):
prop_xml = VncIfmapClient.IFMAP_PUBLISH_SKIP_LIST[prop_field](
prop_field, field)
meta = Metadata(prop_meta, '',
{'ifmap-cardinality':'singleValue'}, ns_prefix='contrail',
elements=prop_xml)
else:
log_str = '%s is marked for partial publish\
to Ifmap but handler not defined' %(
prop_field)
self.config_log(log_str, level=SandeshLevel.SYS_DEBUG)
continue
elif is_simple:
norm_str = escape(str(field))
meta = Metadata(prop_meta, norm_str,
{'ifmap-cardinality':'singleValue'}, ns_prefix = 'contrail')
else: # complex type
prop_cls = str_to_class(prop_type, __name__)
buf = cStringIO.StringIO()
# perms might be inserted at server as obj.
# obj construction diff from dict construction.
if isinstance(field, dict):
prop_cls(**field).exportChildren(
buf, level=1, name_=prop_meta, pretty_print=False)
elif isinstance(field, list):
for elem in field:
if isinstance(elem, dict):
prop_cls(**elem).exportChildren(
buf, level=1, name_=prop_meta, pretty_print=False)
else:
elem.exportChildren(
buf, level=1, name_=prop_meta, pretty_print=False)
else: # object
field.exportChildren(
buf, level=1, name_=prop_meta, pretty_print=False)
prop_xml = buf.getvalue()
buf.close()
meta = Metadata(prop_meta, '',
{'ifmap-cardinality':'singleValue'}, ns_prefix='contrail',
elements=prop_xml)
# If obj is new (existing metas is none) or
# if obj does not have this prop_meta (or)
# or if the prop_meta is different from what we have currently,
# then update
if (not existing_metas or
not prop_meta in existing_metas or
('' in existing_metas[prop_meta] and
str(meta) != str(existing_metas[prop_meta]['']))):
self._update_id_self_meta(update, meta)
# end for all property types
# References Meta
for ref_field in obj_class.ref_fields:
refs = obj_dict.get(ref_field)
if not refs:
continue
for ref in refs:
ref_fq_name = ref['to']
ref_fld_types_list = list(
obj_class.ref_field_types[ref_field])
ref_res_type = ref_fld_types_list[0]
ref_link_type = ref_fld_types_list[1]
ref_meta = obj_class.ref_field_metas[ref_field]
ref_imid = get_ifmap_id_from_fq_name(ref_res_type, ref_fq_name)
ref_data = ref.get('attr')
if ref_data:
buf = cStringIO.StringIO()
attr_cls = str_to_class(ref_link_type, __name__)
attr_cls(**ref_data).exportChildren(
buf, level=1, name_=ref_meta, pretty_print=False)
ref_link_xml = buf.getvalue()
buf.close()
else:
ref_link_xml = ''
meta = Metadata(ref_meta, '',
{'ifmap-cardinality':'singleValue'}, ns_prefix = 'contrail',
elements=ref_link_xml)
self._update_id_pair_meta(update, ref_imid, meta)
# end for all ref types
self._publish_update(my_imid, update)
return (True, '')
def _object_set(self, obj_class, ifmap_id, obj_dict, existing_links=None):
# Properties Metadata
metadatas = []
for prop_field in obj_class.prop_fields:
prop_value = obj_dict.get(prop_field)
if prop_value is None:
continue
# construct object of xsd-type and get its xml repr
# e.g. virtual_network_properties
prop_field_types = obj_class.prop_field_types[prop_field]
is_simple = not prop_field_types["is_complex"]
prop_type = prop_field_types["xsd_type"]
# e.g. virtual-network-properties
meta_name = obj_class.prop_field_metas[prop_field]
meta_long_name = "contrail:%s" % meta_name
meta_value = ""
meta_elements = ""
if prop_field in self.IFMAP_PUBLISH_SKIP_LIST:
# Field not relevant, skip publishing to IfMap
if not self.IFMAP_PUBLISH_SKIP_LIST[prop_field]:
continue
# Call the handler fn to generate the relevant fields.
try:
func = getattr(self, self.IFMAP_PUBLISH_SKIP_LIST[prop_field])
meta_elements = func(prop_field, prop_value)
except AttributeError:
log_str = "%s is marked for partial publish to Ifmap but " "handler not defined" % prop_field
self._log(log_str, level=SandeshLevel.SYS_DEBUG)
continue
elif is_simple:
meta_value = escape(str(prop_value))
else: # complex type
prop_cls = str_to_class(prop_type, __name__)
buf = StringIO()
# perms might be inserted at server as obj.
# obj construction diff from dict construction.
if isinstance(prop_value, dict):
prop_cls(**prop_value).exportChildren(buf, level=1, name_=meta_name, pretty_print=False)
elif isinstance(prop_value, list):
for elem in prop_value:
if isinstance(elem, dict):
prop_cls(**elem).exportChildren(buf, level=1, name_=meta_name, pretty_print=False)
else:
elem.exportChildren(buf, level=1, name_=meta_name, pretty_print=False)
else: # object
prop_value.exportChildren(buf, level=1, name_=meta_name, pretty_print=False)
meta_elements = buf.getvalue()
buf.close()
meta = Metadata(
meta_name,
meta_value,
{"ifmap-cardinality": "singleValue"},
ns_prefix="contrail",
elements=meta_elements,
)
# If obj is new (existing metas is none) or
# if obj does not have this meta (or)
# or if the meta is different from what we have currently,
# then update
if (
not existing_links
or meta_long_name not in existing_links
or (
"meta" in existing_links[meta_long_name] and unicode(meta) != existing_links[meta_long_name]["meta"]
)
):
metadatas.append(meta)
# end for all property types
VncIfmapServer.update(ifmap_id, metadatas=metadatas)
# References Metadata
for ref_field in obj_class.ref_fields:
refs = obj_dict.get(ref_field)
if not refs:
continue
for ref in refs:
ref_fq_name = ref["to"]
ref_fld_types_list = list(obj_class.ref_field_types[ref_field])
ref_res_type = ref_fld_types_list[0]
ref_link_type = ref_fld_types_list[1]
ref_meta = obj_class.ref_field_metas[ref_field]
ref_ifmap_id = get_ifmap_id_from_fq_name(ref_res_type, ref_fq_name)
ref_data = ref.get("attr")
if ref_data:
buf = StringIO()
attr_cls = str_to_class(ref_link_type, __name__)
attr_cls(**ref_data).exportChildren(buf, level=1, name_=ref_meta, pretty_print=False)
ref_link_xml = buf.getvalue()
buf.close()
else:
ref_link_xml = ""
metadata = Metadata(
ref_meta, "", {"ifmap-cardinality": "singleValue"}, ns_prefix="contrail", elements=ref_link_xml
)
VncIfmapServer.update(ifmap_id, ref_ifmap_id, [metadata])
# end for all ref types
return (True, "")
