common/python/rift/mano/tosca_translator/rwmano/tosca/tosca_network_network.py

   1 #
   2 # Licensed under the Apache License, Version 2.0 (the "License"); you may
   3 # not use this file except in compliance with the License. You may obtain
   4 # a copy of the License at
   5 #
   6 # http://www.apache.org/licenses/LICENSE-2.0
   7 #
   8 # Unless required by applicable law or agreed to in writing, software
   9 # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  10 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
  11 # License for the specific language governing permissions and limitations
  12 # under the License.
  13 #
  14 # Copyright 2016 RIFT.io Inc
  15
  16
  17 from rift.mano.tosca_translator.common.utils import _
  18 from rift.mano.tosca_translator.common.utils import convert_keys_to_python
  19 from rift.mano.tosca_translator.rwmano.syntax.mano_resource import ManoResource
  20
  21
  22 # Name used to dynamically load appropriate map class.
  23 TARGET_CLASS_NAME = 'ToscaNetwork'
  24
  25
  26 class ToscaNetwork(ManoResource):
  27     '''Translate TOSCA node type tosca.nodes.network.Network.'''
  28
  29     toscatype = 'tosca.nodes.network.Network'
  30     NETWORK_PROPS = ['network_name', 'network_id']
  31     REQUIRED_PROPS = ['name', 'id', 'type', 'version', 'short-name',
  32                       'description', 'vendor']
  33     OPTIONAL_PROPS = ['vnfd-connection-point-ref']
  34     IGNORE_PROPS = ['ip_version', 'dhcp_enabled']
  35     VALID_TYPES = ['ELAN']
  36
  37     def __init__(self, log, nodetemplate, metadata=None):
  38         super(ToscaNetwork, self).__init__(log,
  39                                            nodetemplate,
  40                                            type_='vld',
  41                                            metadata=metadata)
  42         self._vld = {}
  43         self._ip_profile = {}
  44
  45     def handle_vld_properties(self, nodes, vnf_type_substitution_mapping):
  46         def get_vld_props(specs):
  47             vld_prop = {}
  48             vld_prop['id'] = self.id
  49             vld_prop['name'] = self.name
  50             vld_prop['short-name'] = self.name
  51             vld_prop['type'] = self.get_type()
  52             if 'description' in specs:
  53                 vld_prop['description'] = specs['description']
  54             if 'vendor' in specs:
  55                  vld_prop['vendor'] = specs['vendor']
  56
  57             index_count = 1
  58             vld_connection_point_list = []
  59             for node in nodes:
  60                 if node.type == "vnfd":
  61                     substitution_mapping_list = vnf_type_substitution_mapping[node.vnf_type];
  62                     for req_key, req_value in node._reqs.items():
  63                         for mapping in substitution_mapping_list:
  64                             if req_key in mapping:
  65                                 # link the VLD to the connection point
  66                                 node = self.get_node_with_name(mapping[req_key][0], nodes)
  67                                 if node:
  68                                     #print()
  69                                     prop = {}
  70                                     prop['member-vnf-index-ref'] = index_count
  71                                     prop['vnfd-connection-point-ref'] = node.cp_name
  72                                     prop['vnfd-id-ref'] = node.vnf._id
  73                                     vld_connection_point_list.append(prop)
  74                                     index_count += 1
  75                 if len(vld_connection_point_list) > 1:
  76                     vld_prop['vnfd-connection-point-ref'] = vld_connection_point_list
  77             return vld_prop
  78
  79         def get_ip_profile_props(specs):
  80             ip_profile_prop = {}
  81             ip_profile_param = {}
  82             if 'name' in specs:
  83                 ip_profile_prop['name'] = specs['name']
  84             elif 'description' in specs:
  85                 ip_profile_prop['name'] = specs['description']
  86
  87             if 'description' in specs:
  88                 ip_profile_prop['description'] = specs['description']
  89             if 'gateway_ip' in specs:
  90                 ip_profile_param['gateway-address'] = specs['gateway_ip']
  91             if 'ip_version' in specs:
  92                 ip_profile_param['ip-version'] = 'ipv' + str(specs['ip_version'])
  93             if 'ip_version' in specs:
  94                 ip_profile_param['subnet-address'] = specs['cidr']
  95
  96             ip_profile_prop['ip-profile-params'] = ip_profile_param
  97             return ip_profile_prop
  98         tosca_props = self.get_tosca_props()
  99         self._vld = get_vld_props(tosca_props)
 100         self._ip_profile = get_ip_profile_props(tosca_props)
 101
 102     def get_type(self):
 103         """Get the network type based on propery or type derived from"""
 104         node = self.nodetemplate
 105         tosca_props = self.get_tosca_props()
 106         try:
 107             if tosca_props['network_type'] in ToscaNetwork.VALID_TYPES:
 108                 return tosca_props['network_type']
 109         except KeyError:
 110             pass
 111
 112         node_type = node.type_definition
 113
 114         while node_type.type:
 115             self.log.debug(_("Node name {0} with type {1}").
 116                            format(self.name, node_type.type))
 117             prefix, nw_type = node_type.type.rsplit('.', 1)
 118             if nw_type in ToscaNetwork.VALID_TYPES:
 119                 return nw_type
 120             else:
 121                 # Get the parent
 122                 node_type = ManoResource.get_parent_type(node_type)
 123
 124         return "ELAN"
 125
 126     def generate_yang_model_gi(self, nsd, vnfds):
 127         props            = convert_keys_to_python(self.properties)
 128         vld_props        = convert_keys_to_python(self._vld)
 129         ip_profile_props = convert_keys_to_python(self._ip_profile)
 130         try:
 131             nsd.vld.add().from_dict(vld_props)
 132             nsd.ip_profiles.add().from_dict(ip_profile_props)
 133         except Exception as e:
 134             err_msg = _("{0} Exception vld from dict {1}: {2}"). \
 135                       format(self, props, e)
 136             self.log.error(err_msg)
 137             raise e
 138
 139     def generate_yang_model(self, nsd, vnfds, use_gi=False):
 140         """Generate yang model for the node"""
 141         self.log.debug(_("Generate YANG model for {0}").
 142                        format(self))
 143
 144         # Remove the props to be ignroed:
 145         for key in ToscaNetwork.IGNORE_PROPS:
 146             if key in self.properties:
 147                 self.properties.pop(key)
 148
 149         if use_gi:
 150             return self.generate_yang_model_gi(nsd, vnfds)
 151
 152         vld = self.properties
 153
 154         if 'vld' not in nsd:
 155             nsd['vld'] = []
 156         nsd['vld'].append(vld)