Add OpenStack proxy for newton

refactor seed code for newton
add proxy for identiy,service, add registration, extension
management

Issue-Id: MULTICLOUD-58
Change-Id: I6a7a21427af4c88b7f060470c1176009c13fc19e
Signed-off-by: Bin Yang <bin.yang@windriver.com>

3 files changed, 113 insertions, 0 deletions

diff --git a/newton/newton/registration/__init__.py b/newton/newton/registration/__init__.py
new file mode 100644
index 00000000..802f3fba
--- /dev/null
+++ b/newton/newton/registration/__init__.py
@@ -0,0 +1,10 @@
+# Copyright (c) 2017 Wind River Systems, 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.
diff --git a/newton/newton/registration/views/__init__.py b/newton/newton/registration/views/__init__.py
new file mode 100644
index 00000000..802f3fba
--- /dev/null
+++ b/newton/newton/registration/views/__init__.py
@@ -0,0 +1,10 @@
+# Copyright (c) 2017 Wind River Systems, 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.
diff --git a/newton/newton/registration/views/registration.py b/newton/newton/registration/views/registration.py
new file mode 100644
index 00000000..9f2f31be
--- /dev/null
+++ b/newton/newton/registration/views/registration.py
@@ -0,0 +1,93 @@
+# Copyright (c) 2017 Wind River Systems, 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.
+import logging
+import json
+import traceback
+
+from django.core.cache import cache
+
+from keystoneauth1 import access
+from keystoneauth1.access import service_catalog
+from keystoneauth1.exceptions import HttpError
+from rest_framework import status
+from rest_framework.response import Response
+from rest_framework.views import APIView
+
+from newton.pub.exceptions import VimDriverNewtonException
+from newton.requests.views.util import VimDriverUtils
+
+logger = logging.getLogger(__name__)
+
+DEBUG=True
+
+class Registry(APIView):
+
+    def post(self, request, vimid=""):
+        logger.debug("Registration--post::data> %s" % request.data)
+        logger.debug("Registration--post::vimid > %s" % vimid)
+
+        try:
+            # prepare request resource to vim instance
+            # get token:
+            vim = VimDriverUtils.get_vim_info(vimid)
+            #set the default tenant since there is no tenant info in the VIM yet
+            sess = VimDriverUtils.get_session(vim, tenantname=request.data['defaultTenant'])
+
+            #step 1. discover all projects and populate into AAI
+            req_resource = "/projects"
+            service = {'service_type': "identity",
+                       'interface': 'public',
+                       'region_id': vim['cloud_region_id']}
+
+            resp = sess.get(req_resource, endpoint_filter=service)
+            content = resp.json()
+            #iterate all projects and populate them into AAI
+            # TBD
+
+            # discover all flavors
+            # discover all images
+            # discover all az
+            # discover all vg
+            # discover all snapshots
+            # discover all server groups
+            # discover all pservers
+            # discover all epa resources, e.g. sriov pf and vf, etc.
+
+            return Response(status=status.HTTP_202_ACCEPTED)
+
+        except VimDriverNewtonException as e:
+            return Response(data={'error': e.content}, status=e.status_code)
+        except HttpError as e:
+            logger.error("HttpError: status:%s, response:%s" % (e.http_status, e.response.json()))
+            return Response(data=e.response.json(), status=e.http_status)
+        except Exception as e:
+            logger.error(traceback.format_exc())
+            return Response(data={'error': str(e)},
+                            status=status.HTTP_500_INTERNAL_SERVER_ERROR)
+
+    def delete(self, request, vimid=""):
+        logger.debug("Registration--delete::data> %s" % request.data)
+        logger.debug("Registration--delete::vimid > %s"% vimid)
+        try:
+            ret_code = VimDriverUtils.delete_vim_info(vimid)
+            return Response(status=status.HTTP_202_ACCEPTED)
+        except VimDriverNewtonException as e:
+            return Response(data={'error': e.content}, status=e.status_code)
+        except HttpError as e:
+            logger.error("HttpError: status:%s, response:%s" % (e.http_status, e.response.json()))
+            return Response(data=e.response.json(), status=e.http_status)
+        except Exception as e:
+            logger.error(traceback.format_exc())
+            return Response(data={'error': str(e)},
+                            status=status.HTTP_500_INTERNAL_SERVER_ERROR)