TOSCA to YANG Translator Initial commit

[osm/SO.git] / common / python / rift / mano / tosca_translator / rwmano / tosca / tosca_placement_group.py

diff --git a/common/python/rift/mano/tosca_translator/rwmano/tosca/tosca_placement_group.py b/common/python/rift/mano/tosca_translator/rwmano/tosca/tosca_placement_group.py
new file mode 100644 (file)
index 0000000..8b8771b
--- /dev/null
+++ b/common/python/rift/mano/tosca_translator/rwmano/tosca/tosca_placement_group.py
@@ -0,0 +1,114 @@
+#
+# Copyright 2016 RIFT.io Inc
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+
+from rift.mano.tosca_translator.common.utils import _
+from rift.mano.tosca_translator.common.utils import convert_keys_to_python
+from rift.mano.tosca_translator.rwmano.syntax.mano_resource import ManoResource
+from toscaparser.functions import GetInput
+from rift.mano.tosca_translator.common.utils import convert_keys_to_python
+
+from toscaparser.common.exception import ValidationError
+
+
+# Name used to dynamically load appropriate map class.
+TARGET_CLASS_NAME = 'ToscaPlacementGroup'
+
+
+class ToscaPlacementGroup(ManoResource):
+    '''Translate TOSCA node type tosca.policies.Scaling.'''
+
+    toscatype = 'tosca.policies.nfv.riftio.placement'
+
+    IGNORE_PROPS = []
+
+    def __init__(self, log, policy, metadata=None, vnf_name=None):
+        self.log = log
+        self.name = policy.name
+        self.type_ = 'place-grp'
+        self.metadata = metadata
+        self.policy = policy
+        self.properties = {}
+        self._vnf_name = vnf_name
+
+    def __str__(self):
+        return "%s(%s)" % (self.name, self.type)
+
+    def handle_properties(self, nodes, groups):
+        tosca_props = self.get_policy_props()
+        self.properties['name'] = tosca_props['name']
+        self.properties['strategy'] = tosca_props['strategy']
+        self.properties['requirement'] = tosca_props['requirement']
+        if self._vnf_name is None:
+            self.properties['member-vnfd'] = []
+            index_count = 1
+            for node in self.policy.get_targets_list():
+                vnf_node = self.get_node_with_name(node.name, nodes)
+                prop = {}
+                prop['member-vnf-index-ref'] = index_count
+                prop['vnfd-id-ref'] = vnf_node.id
+                self.properties['member-vnfd'].append(prop)
+                index_count = index_count + 1
+        else:
+            self.properties['member-vdus'] = []
+            for node in self.policy.get_targets_list():
+                vdu_node = self.get_node_with_name(node.name, nodes)
+                prop = {}
+                prop['member-vdu-ref'] = vdu_node.name 
+                self.properties['member-vdus'].append(prop)
+
+    def get_yang_model_gi(self, nsd, vnfds):
+        props = convert_keys_to_python(self.properties)
+        try:
+            if self._vnf_name is None:
+                nsd.placement_groups.add().from_dict(props)
+        except Exception as e:
+            err_msg = _("{0} Exception nsd placement-groups from dict {1}: {2}"). \
+                      format(self, props, e)
+            self.log.error(err_msg)
+            raise e
+
+    def generate_yang_model(self, nsd, vnfds, use_gi=False):
+        if use_gi:
+            return self.get_yang_model_gi(nsd, vnfds)
+        if 'placement-groups' not in nsd:
+            nsd['placement-groups'] = []
+
+        for key, value in self.properties.items():
+            prim[key] = value
+        nsd['placement-groups'].append(prim)
+
+    def generate_yang_submodel_gi(self, vnfd):
+        if vnfd is None:
+            return None
+        try:
+            props = convert_keys_to_python(self.properties)
+            vnfd.placement_groups.add().from_dict(props)   
+        except Exception as e:
+            err_msg = _("{0} Exception policy from dict {1}: {2}"). \
+                      format(self, props, e)
+            self.log.error(err_msg)
+            raise e
+
+    def get_policy_props(self):
+        tosca_props = {}
+
+        for prop in self.policy.get_properties_objects():
+            if isinstance(prop.value, GetInput):
+                tosca_props[prop.name] = {'get_param': prop.value.input_name}
+            else:
+                tosca_props[prop.name] = prop.value
+        return tosca_props