tosca2heat/heat-translator/translator/hot/tosca/tosca_network_port.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 from translator.hot.syntax.hot_resource import HotResource
  15
  16 # Name used to dynamically load appropriate map class.
  17 TARGET_CLASS_NAME = 'ToscaNetworkPort'
  18 TOSCA_LINKS_TO = 'tosca.relationships.network.LinksTo'
  19 TOSCA_BINDS_TO = 'tosca.relationships.network.BindsTo'
  20
  21
  22 class ToscaNetworkPort(HotResource):
  23     '''Translate TOSCA node type tosca.nodes.network.Port.'''
  24
  25     toscatype = 'tosca.nodes.network.Port'
  26
  27     def __init__(self, nodetemplate):
  28         super(ToscaNetworkPort, self).__init__(nodetemplate,
  29                                                type='OS::Neutron::Port')
  30         # Default order
  31         self.order = 0
  32         pass
  33
  34     def _generate_networks_for_compute(self, port_resources):
  35         '''Generate compute networks property list from the port resources.'''
  36         networks = []
  37         for resource in port_resources:
  38             networks.append({'port': '{ get_resource: %s }' % (resource.name)})
  39         return networks
  40
  41     def _insert_sorted_resource(self, resources, resource):
  42         '''Insert a resource in the list of resources and keep the order.'''
  43         lo = 0
  44         hi = len(resources)
  45         while lo < hi:
  46             mid = (lo + hi) // 2
  47             if resource.order < resources[mid].order:
  48                 hi = mid
  49             else:
  50                 lo = mid + 1
  51         resources.insert(lo, resource)
  52
  53     def handle_properties(self):
  54         tosca_props = self.get_tosca_props()
  55         port_props = {}
  56         for key, value in tosca_props.items():
  57             if key == 'ip_address':
  58                 fixed_ip = {}
  59                 fixed_ip['ip_address'] = value
  60                 port_props['fixed_ips'] = [fixed_ip]
  61             elif key == 'order':
  62                 self.order = value
  63             # TODO(sdmonov): Need to implement the properties below
  64             elif key == 'is_default':
  65                 pass
  66             elif key == 'ip_range_start':
  67                 pass
  68             elif key == 'ip_range_end':
  69                 pass
  70             else:
  71                 port_props[key] = value
  72
  73         links_to = None
  74         binds_to = None
  75         for rel, node in self.nodetemplate.relationships.items():
  76             # Check for LinksTo relations. If found add a network property with
  77             # the network name into the port
  78             if not links_to and rel.is_derived_from(TOSCA_LINKS_TO):
  79                 links_to = node
  80
  81                 network_resource = None
  82                 for hot_resource in self.depends_on_nodes:
  83                     if links_to.name == hot_resource.name:
  84                         network_resource = hot_resource
  85                         self.depends_on.remove(hot_resource)
  86                         break
  87
  88                 if network_resource.existing_resource_id:
  89                     port_props['network'] =\
  90                         str(network_resource.existing_resource_id)
  91                 else:
  92                     port_props['network'] = '{ get_resource: %s }'\
  93                         % (links_to.name)
  94
  95             # Check for BindsTo relationship. If found add network to the
  96             # network property of the corresponding compute resource
  97             elif not binds_to and rel.is_derived_from(TOSCA_BINDS_TO):
  98                 binds_to = node
  99                 compute_resource = None
 100                 for hot_resource in self.depends_on_nodes:
 101                     if binds_to.name == hot_resource.name:
 102                         compute_resource = hot_resource
 103                         self.depends_on.remove(hot_resource)
 104                         break
 105                 if compute_resource:
 106                     port_rsrcs = compute_resource.assoc_port_resources
 107                     self._insert_sorted_resource(port_rsrcs, self)
 108                     # TODO(sdmonov): Using generate networks every time we add
 109                     # a network is not the fastest way to do the things. We
 110                     # should do this only once at the end.
 111                     networks = self._generate_networks_for_compute(port_rsrcs)
 112                     compute_resource.properties['networks'] = networks
 113
 114         self.properties = port_props