Add vnflcm support base framework

Added vnflcm controller and router Rest API code.

Change-Id: I237f263df7eb41c0ca768869a8e5ce25637f13ca
Blueprint: support-etsi-nfv-specs

etc/tacker/api-paste.ini

@@ -3,6 +3,7 @@ use = egg:Paste#urlmap
 /: tackerversions
 /v1.0: tackerapi_v1_0
 /vnfpkgm/v1: vnfpkgmapi_v1
+/vnflcm/v1: vnflcm_v1
 
 [composite:tackerapi_v1_0]
 use = call:tacker.auth:pipeline_factory
@@ -14,6 +15,11 @@ use = call:tacker.auth:pipeline_factory
 noauth = request_id catch_errors extensions vnfpkgmapp_v1
 keystone = request_id catch_errors authtoken keystonecontext extensions vnfpkgmapp_v1
 
+[composite:vnflcm_v1]
+use = call:tacker.auth:pipeline_factory
+noauth = request_id catch_errors vnflcmaapp_v1
+keystone = request_id catch_errors authtoken keystonecontext vnflcmaapp_v1
+
 [filter:request_id]
 paste.filter_factory = oslo_middleware:RequestId.factory
 
@@ -40,3 +46,6 @@ paste.app_factory = tacker.api.v1.router:APIRouter.factory
 
 [app:vnfpkgmapp_v1]
 paste.app_factory = tacker.api.vnfpkgm.v1.router:VnfpkgmAPIRouter.factory
+
+[app:vnflcmaapp_v1]
+paste.app_factory = tacker.api.vnflcm.v1.router:VnflcmAPIRouter.factory

tacker/api/vnflcm/v1/controller.py

@@ -0,0 +1,46 @@
+# Copyright (C) 2020 NTT DATA
+# All Rights Reserved.
+#
+#    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.
+
+import webob
+
+from tacker import wsgi
+
+
+class VnfLcmController(wsgi.Controller):
+
+    def create(self, request, body):
+        raise webob.exc.HTTPNotImplemented()
+
+    def show(self, request, id):
+        raise webob.exc.HTTPNotImplemented()
+
+    def index(self, request):
+        raise webob.exc.HTTPNotImplemented()
+
+    def delete(self, request, id):
+        raise webob.exc.HTTPNotImplemented()
+
+    def instantiate(self, request, id, body):
+        raise webob.exc.HTTPNotImplemented()
+
+    def terminate(self, request, id, body):
+        raise webob.exc.HTTPNotImplemented()
+
+    def heal(self, request, id, body):
+        raise webob.exc.HTTPNotImplemented()
+
+
+def create_resource():
+    return wsgi.Resource(VnfLcmController())

tacker/api/vnflcm/v1/router.py

@@ -0,0 +1,85 @@
+# Copyright (C) 2020 NTT DATA
+# All Rights Reserved.
+#
+#    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.
+
+
+import routes
+
+from tacker.api.vnflcm.v1 import controller as vnf_lcm_controller
+from tacker import wsgi
+
+
+class VnflcmAPIRouter(wsgi.Router):
+    """Routes requests on the API to the appropriate controller and method."""
+
+    def __init__(self):
+        mapper = routes.Mapper()
+        super(VnflcmAPIRouter, self).__init__(mapper)
+
+    def _setup_route(self, mapper, url, methods, controller,
+                     default_resource):
+        all_methods = ['HEAD', 'GET', 'POST', 'PUT', 'PATCH', 'DELETE']
+        missing_methods = [m for m in all_methods if m not in methods.keys()]
+        allowed_methods_str = ",".join(methods.keys())
+
+        for method, action in methods.items():
+            mapper.connect(url,
+                           controller=controller,
+                           action=action,
+                           conditions={'method': [method]})
+
+        if missing_methods:
+            mapper.connect(url,
+                           controller=default_resource,
+                           action='reject',
+                           allowed_methods=allowed_methods_str,
+                           conditions={'method': missing_methods})
+
+    def _setup_routes(self, mapper):
+        default_resource = wsgi.Resource(wsgi.DefaultMethodController(),
+                                         wsgi.RequestDeserializer())
+
+        controller = vnf_lcm_controller.create_resource()
+
+        # Allowed methods on /vnflcm/v1/vnf_instances resource
+        methods = {"GET": "index", "POST": "create"}
+        self._setup_route(mapper, "/vnf_instances",
+                          methods, controller, default_resource)
+
+        # Allowed methods on
+        # /vnflcm/v1/vnf_instances/{vnfInstanceId} resource
+        methods = {"DELETE": "delete", "GET": "show"}
+        self._setup_route(mapper, "/vnf_instances/{id}",
+                          methods, controller, default_resource)
+
+        # Allowed methods on
+        # /vnflcm/v1/vnf_instances/{vnfInstanceId}/instantiate resource
+        methods = {"POST": "instantiate"}
+        self._setup_route(mapper,
+                "/vnf_instances/{id}/instantiate",
+                methods, controller, default_resource)
+
+        # Allowed methods on
+        # /vnflcm/v1/vnf_instances/{vnfInstanceId}/terminate resource
+        methods = {"POST": "terminate"}
+        self._setup_route(mapper,
+                "/vnf_instances/{id}/terminate",
+                methods, controller, default_resource)
+
+        # Allowed methods on
+        # /vnflcm/v1/vnf_instances/{vnfInstanceId}/heal resource
+        methods = {"POST": "heal"}
+        self._setup_route(mapper,
+                "/vnf_instances/{id}/heal",
+                methods, controller, default_resource)