Extract some code to share

Change-Id: I6dffc1bf47c5839f077f3c7f93f021ed0b414d24
Issue-ID: MULTICLOUD-428
Signed-off-by: Haibin Huang <haibin.huang@intel.com>

9 files changed, 10 insertions, 1078 deletions

diff --git a/windriver/titanium_cloud/pub/config/log.yml b/windriver/titanium_cloud/pub/config/log.yml
index 5cf448d4..ca3a5497 100644
--- a/windriver/titanium_cloud/pub/config/log.yml
+++ b/windriver/titanium_cloud/pub/config/log.yml
@@ -14,6 +14,10 @@ loggers:
       handlers: [titanium_cloud_handler]
       level: "DEBUG"
       propagate: False
+    starlingx_base:
+      handlers: [titanium_cloud_handler]
+      level: "DEBUG"
+      propagate: False
 handlers:
     titanium_cloud_handler:
         level: "DEBUG"
diff --git a/windriver/titanium_cloud/registration/tests/test_registration2.py b/windriver/titanium_cloud/registration/tests/test_registration2.py
index 9f0cd4d2..840f982f 100644
--- a/windriver/titanium_cloud/registration/tests/test_registration2.py
+++ b/windriver/titanium_cloud/registration/tests/test_registration2.py
@@ -18,17 +18,8 @@ import unittest
 # import json
 from django.test import Client
 from rest_framework import status
-
-# from django.core.cache import cache
-# from common.msapi import extsys
-
 from common.utils import restcall
-# from newton_base.tests import mock_info
-# from newton_base.tests import test_base
-# from newton_base.util import VimDriverUtils
-
-# from newton_base.registration import registration as newton_registration
-from titanium_cloud.registration.views import registration
+from starlingx_base.registration import registration
 from newton_base.tests import test_base
 
 MOCK_VIM_INFO = {
diff --git a/windriver/titanium_cloud/registration/views/__init__.py b/windriver/titanium_cloud/registration/views/__init__.py
deleted file mode 100644
index ae1ce9db..00000000
--- a/windriver/titanium_cloud/registration/views/__init__.py
+++ /dev/null
@@ -1,13 +0,0 @@
-# Copyright (c) 2017-2018 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.
diff --git a/windriver/titanium_cloud/registration/views/registration.py b/windriver/titanium_cloud/registration/views/registration.py
deleted file mode 100644
index 17992af7..00000000
--- a/windriver/titanium_cloud/registration/views/registration.py
+++ /dev/null
@@ -1,322 +0,0 @@
-# Copyright (c) 2017-2018 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 uuid
-import traceback
-
-from django.conf import settings
-
-from newton_base.registration import registration as newton_registration
-# from common.exceptions import VimDriverNewtonException
-from rest_framework import status
-from rest_framework.response import Response
-from common.msapi import extsys
-from keystoneauth1.exceptions import HttpError
-from newton_base.util import VimDriverUtils
-from common.utils import restcall
-
-logger = logging.getLogger(__name__)
-
-
-# DEBUG=True
-
-
-class Registry(newton_registration.Registry):
-    def __init__(self):
-        super(Registry, self).__init__()
-        self.proxy_prefix = settings.MULTICLOUD_PREFIX
-        self.aai_base_url = settings.AAI_BASE_URL
-        # self._logger = logger
-
-    def _get_ovsdpdk_capabilities(self, extra_specs, viminfo):
-        instruction_capability = {}
-        feature_uuid = uuid.uuid4()
-
-        instruction_capability['hpa-capability-id'] = str(feature_uuid)
-        instruction_capability['hpa-feature'] = 'ovsDpdk'
-        instruction_capability['architecture'] = 'Intel64'
-        instruction_capability['hpa-version'] = 'v1'
-
-        instruction_capability['hpa-feature-attributes'] = []
-        instruction_capability['hpa-feature-attributes'].append(
-            {'hpa-attribute-key': 'dataProcessingAccelerationLibrary',
-             'hpa-attribute-value':
-                 '{{\"value\":\"{0}\"}}'.format("v17.02")
-             })
-        return instruction_capability
-
-
-class APIv1Registry(newton_registration.Registry):
-    def __init__(self):
-        super(APIv1Registry, self).__init__()
-        self.proxy_prefix = settings.MULTICLOUD_API_V1_PREFIX
-        self.aai_base_url = settings.AAI_BASE_URL
-        # self._logger = logger
-
-    def _get_ovsdpdk_capabilities(self, extra_specs, viminfo):
-        instruction_capability = {}
-        feature_uuid = uuid.uuid4()
-
-        instruction_capability['hpa-capability-id'] = str(feature_uuid)
-        instruction_capability['hpa-feature'] = 'ovsDpdk'
-        instruction_capability['architecture'] = 'Intel64'
-        instruction_capability['hpa-version'] = 'v1'
-
-        instruction_capability['hpa-feature-attributes'] = []
-        instruction_capability['hpa-feature-attributes'].append(
-            {'hpa-attribute-key': 'dataProcessingAccelerationLibrary',
-             'hpa-attribute-value':
-                 '{{\"value\":\"{0}\"}}'.format("v17.02")
-             })
-        return instruction_capability
-
-    def _update_cloud_region(self, cloud_owner, cloud_region_id, openstack_region_id, viminfo, session=None):
-        if cloud_owner and cloud_region_id:
-            self._logger.debug(
-                ("_update_cloud_region, %(cloud_owner)s"
-                 "_%(cloud_region_id)s ")
-                % {
-                    "cloud_owner": cloud_owner,
-                    "cloud_region_id": cloud_region_id
-                })
-
-            # Note1: The intent is to populate the openstack region id into property: cloud-region.esr-system-info.openstackRegionId
-            # Note2: As temp solution: the openstack region id was put into AAI cloud-region["cloud-epa-caps"]
-
-            resource_info = {
-                "cloud-owner": cloud_owner,
-                "cloud-region-id": cloud_region_id,
-                "cloud-type": viminfo["type"],
-                "cloud-region-version": viminfo["version"],
-                "identity-url":
-                    self.proxy_prefix + "/%s_%s/identity/v2.0" % (cloud_owner, cloud_region_id)
-                    if self.proxy_prefix[-3:] == "/v0" else
-                    self.proxy_prefix + "/%s/%s/identity/v2.0" % (cloud_owner, cloud_region_id),
-                "complex-name": viminfo["complex-name"],
-                "cloud-extra-info": viminfo["cloud_extra_info"],
-                "cloud-epa-caps": openstack_region_id,
-                "esr-system-info-list": {
-                    "esr-system-info": [
-                        {
-                            "esr-system-info-id": str(uuid.uuid4()),
-                            "service-url": viminfo["url"],
-                            "user-name": viminfo["userName"],
-                            "password": viminfo["password"],
-                            "system-type": "VIM",
-                            "ssl-cacert": viminfo["cacert"],
-                            "ssl-insecure": viminfo["insecure"],
-                            "cloud-domain": viminfo["domain"],
-                            "default-tenant": viminfo["tenant"]
-
-                        }
-                    ]
-                }
-            }
-
-            # get the resource first
-            resource_url = ("/cloud-infrastructure/cloud-regions/"
-                            "cloud-region/%(cloud_owner)s/%(cloud_region_id)s"
-                            % {
-                                "cloud_owner": cloud_owner,
-                                "cloud_region_id": cloud_region_id
-                            })
-
-            # get cloud-region
-            retcode, content, status_code = \
-                restcall.req_to_aai(resource_url, "GET")
-
-            # add resource-version
-            if retcode == 0 and content:
-                content = json.JSONDecoder().decode(content)
-                # resource_info["resource-version"] = content["resource-version"]
-                content.update(resource_info)
-                resource_info = content
-
-            # then update the resource
-            retcode, content, status_code = \
-                restcall.req_to_aai(resource_url, "PUT", content=resource_info)
-
-            self._logger.debug(
-                ("_update_cloud_region,%(cloud_owner)s"
-                 "_%(cloud_region_id)s , "
-                 "return %(retcode)s, %(content)s, %(status_code)s")
-                % {
-                    "cloud_owner": cloud_owner,
-                    "cloud_region_id": cloud_region_id,
-                    "retcode": retcode,
-                    "content": content,
-                    "status_code": status_code,
-                })
-
-            # wait and confirm the update has been available for next AAI calls
-            while True:
-                # get cloud-region
-                retcode2, content2, status_code2 = \
-                    restcall.req_to_aai(resource_url, "GET")
-                if retcode2 == 0 and content2:
-                    content2 = json.JSONDecoder().decode(content2)
-                    if content2.get("identity-url", None)\
-                            == resource_info.get("identity-url", None):
-                        break
-
-            return retcode
-        return 1  # unknown cloud owner,region_id
-
-    def _discover_regions(self, cloud_owner="", cloud_region_id="",
-                          session=None, viminfo=None):
-        try:
-            regions = []
-            vimid = extsys.encode_vim_id(cloud_owner, cloud_region_id)
-            isDistributedCloud = False
-            openstackregions = self._get_list_resources(
-                "/regions", "identity", session, viminfo, vimid,
-                "regions")
-
-            for region in openstackregions:
-                if region['id'] == 'SystemController':
-                    isDistributedCloud = True
-                    break
-                else:
-                    continue
-
-            for region in openstackregions:
-                if region['id'] == 'SystemController':
-                    continue
-                elif region['id'] == 'RegionOne' and isDistributedCloud:
-                    continue
-                else:
-                    regions.append(region['id'])
-
-            self._logger.info("Discovered Regions :%s" % regions)
-            return regions
-
-        except HttpError as e:
-            self._logger.error("HttpError: status:%s, response:%s"
-                               % (e.http_status, e.response.json()))
-            return []
-        except Exception:
-            self._logger.error(traceback.format_exc())
-            return []
-
-    def post(self, request, cloud_owner="", cloud_region_id=""):
-        self._logger.info("registration with : %s, %s"
-                          % (cloud_owner, cloud_region_id))
-
-        try:
-            vimid = extsys.encode_vim_id(cloud_owner, cloud_region_id)
-
-            viminfo = VimDriverUtils.get_vim_info(vimid)
-            cloud_extra_info_str = viminfo['cloud_extra_info']
-            cloud_extra_info = None
-            try:
-                cloud_extra_info = json.loads(cloud_extra_info_str)\
-                    if cloud_extra_info_str else None
-            except Exception as ex:
-                logger.error("Can not convert cloud extra info %s %s" % (
-                    str(ex), cloud_extra_info_str))
-                pass
-
-            region_specified = cloud_extra_info.get(
-                "openstack-region-id", None) if cloud_extra_info else None
-            multi_region_discovery = cloud_extra_info.get(
-                "multi-region-discovery", None) if cloud_extra_info else None
-
-            # set the default tenant since there is no tenant info in the VIM yet
-            sess = VimDriverUtils.get_session(
-                viminfo, tenant_name=viminfo['tenant'])
-
-            # discover the regions, expect it always returns a list (even empty list)
-            region_ids = self._discover_regions(cloud_owner, cloud_region_id, sess, viminfo)
-
-            if len(region_ids) == 0:
-                self._logger.warn("failed to get region id")
-
-            # compare the regions with region_specified and then cloud_region_id
-            if region_specified in region_ids:
-                pass
-            elif cloud_region_id in region_ids:
-                region_specified = cloud_region_id
-                pass
-            else:
-                # assume the first region be the primary region
-                # since we have no other way to determine it.
-                region_specified = region_ids.pop(0)
-
-            # update cloud region and discover/register resource
-            if multi_region_discovery:
-                # no input for specified cloud region,
-                # so discover all cloud region
-                for regionid in region_ids:
-                    # do not update the specified region here
-                    if region_specified == regionid:
-                        continue
-
-                    # create cloud region with composed AAI cloud_region_id
-                    # except for the one onboarded externally (e.g. ESR)
-                    gen_cloud_region_id = cloud_region_id + "_" + regionid
-                    self._logger.info("create a cloud region: %s,%s,%s"
-                                      % (cloud_owner, gen_cloud_region_id, regionid))
-
-                    self._update_cloud_region(
-                        cloud_owner, gen_cloud_region_id, regionid, viminfo)
-                    new_vimid = extsys.encode_vim_id(
-                        cloud_owner, gen_cloud_region_id)
-                    super(APIv1Registry, self).post(request, new_vimid)
-
-            # update the specified region
-            self._update_cloud_region(cloud_owner, cloud_region_id,
-                                      region_specified, viminfo)
-            return super(APIv1Registry, self).post(request, vimid)
-
-        except HttpError as e:
-            self._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:
-            self._logger.error(traceback.format_exc())
-            return Response(
-                data={'error': str(e)},
-                status=status.HTTP_500_INTERNAL_SERVER_ERROR)
-
-    def delete(self, request, cloud_owner="", cloud_region_id=""):
-        self._logger.debug("unregister cloud region: %s, %s"
-                           % (cloud_owner, cloud_region_id))
-
-        vimid = extsys.encode_vim_id(cloud_owner, cloud_region_id)
-        return super(APIv1Registry, self).delete(request, vimid)
-
-
-# APIv0 handler upgrading: leverage APIv1 handler
-class APIv0Registry(APIv1Registry):
-    def __init__(self):
-        super(APIv0Registry, self).__init__()
-        self.proxy_prefix = settings.MULTICLOUD_PREFIX
-        self.aai_base_url = settings.AAI_BASE_URL
-        # self._logger = logger
-
-    def post(self, request, vimid=""):
-        self._logger.info("registration with :  %s" % vimid)
-
-        cloud_owner, cloud_region_id = extsys.decode_vim_id(vimid)
-        return super(APIv0Registry, self).post(
-            request, cloud_owner, cloud_region_id)
-
-    def delete(self, request, vimid=""):
-        self._logger.debug("unregister cloud region: %s" % vimid)
-
-        cloud_owner, cloud_region_id = extsys.decode_vim_id(vimid)
-        return super(APIv0Registry, self).delete(
-            request, cloud_owner, cloud_region_id)
diff --git a/windriver/titanium_cloud/resource/tests/tests_infra_workload.py b/windriver/titanium_cloud/resource/tests/tests_infra_workload.py
index c6991837..cd8fe558 100644
--- a/windriver/titanium_cloud/resource/tests/tests_infra_workload.py
+++ b/windriver/titanium_cloud/resource/tests/tests_infra_workload.py
@@ -15,13 +15,11 @@
 import mock
 
 import unittest
-# import json
 from rest_framework import status
 
-# from common.utils import restcall
 from common.msapi.helper import Helper as helper
-from titanium_cloud.resource.views.infra_workload import InfraWorkload
-from titanium_cloud.resource.views.infra_workload import APIv1InfraWorkload
+from newton_base.resource.infra_workload import InfraWorkload
+from newton_base.resource.infra_workload import APIv1InfraWorkload
 
 MOCK_TOKEN_RESPONSE = {
     "access":
diff --git a/windriver/titanium_cloud/resource/views/__init__.py b/windriver/titanium_cloud/resource/views/__init__.py
deleted file mode 100644
index ae1ce9db..00000000
--- a/windriver/titanium_cloud/resource/views/__init__.py
+++ /dev/null
@@ -1,13 +0,0 @@
-# Copyright (c) 2017-2018 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.
diff --git a/windriver/titanium_cloud/resource/views/capacity.py b/windriver/titanium_cloud/resource/views/capacity.py
deleted file mode 100644
index 669cb659..00000000
--- a/windriver/titanium_cloud/resource/views/capacity.py
+++ /dev/null
@@ -1,159 +0,0 @@
-# Copyright (c) 2017-2018 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 rest_framework import status
-
-# from django.conf import settings
-from common.exceptions import VimDriverNewtonException
-from newton_base.util import VimDriverUtils
-
-from keystoneauth1.exceptions import HttpError
-from rest_framework import status
-from rest_framework.response import Response
-from rest_framework.views import APIView
-from common.msapi import extsys
-
-logger = logging.getLogger(__name__)
-
-
-class CapacityCheck(APIView):
-    def __init__(self):
-        self._logger = logger
-
-    def post(self, request, vimid=""):
-        self._logger.info("vimid, data> %s, %s" % (vimid, request.data))
-        self._logger.debug("META> %s" % request.META)
-
-        hasEnoughResource = False
-        try:
-            resource_demand = request.data
-
-            tenant_name = None
-            vim = VimDriverUtils.get_vim_info(vimid)
-            sess = VimDriverUtils.get_session(vim, tenant_name)
-
-            # get token:
-            cloud_owner, regionid = extsys.decode_vim_id(vimid)
-            interface = 'public'
-            service = {'service_type': 'compute',
-                       'interface': interface,
-                       'region_name': vim['openstack_region_id']
-                       if vim.get('openstack_region_id')
-                       else vim['cloud_region_id']
-                       }
-
-            # get limit for this tenant
-            req_resouce = "/limits"
-            self._logger.info("check limits> URI:%s" % req_resouce)
-            resp = sess.get(req_resouce, endpoint_filter=service)
-            self._logger.info("check limits> status:%s" % resp.status_code)
-            content = resp.json()
-            compute_limits = content['limits']['absolute']
-            self._logger.debug("check limits> resp data:%s" % content)
-
-            # get total resource of this cloud region
-            try:
-                req_resouce = "/os-hypervisors/statistics"
-                self._logger.info("check os-hypervisors statistics> URI:%s" % req_resouce)
-                resp = sess.get(req_resouce, endpoint_filter=service)
-                self._logger.info("check os-hypervisors statistics> status:%s" % resp.status_code)
-                content = resp.json()
-                hypervisor_statistics = content['hypervisor_statistics']
-                self._logger.debug("check os-hypervisors statistics> resp data:%s" % content)
-            except HttpError as e:
-                if e.http_status == status.HTTP_403_FORBIDDEN:
-                    # Due to non administrator account cannot get hypervisor data,
-                    # so construct enough resource data
-                    conVCPUS = int(resource_demand['vCPU'])
-                    conFreeRamMB = int(resource_demand['Memory'])
-                    conFreeDiskGB = int(resource_demand['Storage'])
-                    self._logger.info("Non administator forbidden to access hypervisor statistics data")
-                    hypervisor_statistics = {'vcpus_used': 0,
-                                             'vcpus': conVCPUS,
-                                             'free_ram_mb': conFreeRamMB,
-                                             'free_disk_gb': conFreeDiskGB}
-                else:
-                    # non forbiden exeption will be redirected
-                    raise e
-
-            # get storage limit for this tenant
-            service['service_type'] = 'volumev2'
-            req_resouce = "/limits"
-            self._logger.info("check volumev2 limits> URI:%s" % req_resouce)
-            resp = sess.get(req_resouce, endpoint_filter=service)
-            self._logger.info("check volumev2> status:%s" % resp.status_code)
-            content = resp.json()
-            storage_limits = content['limits']['absolute']
-            self._logger.debug("check volumev2> resp data:%s" % content)
-
-            # compute actual available resource for this tenant
-            remainVCPU = compute_limits['maxTotalCores'] - compute_limits['totalCoresUsed']
-            remainHypervisorVCPU = hypervisor_statistics['vcpus'] - hypervisor_statistics['vcpus_used']
-
-            if (remainVCPU > remainHypervisorVCPU):
-                remainVCPU = remainHypervisorVCPU
-
-            remainMEM = compute_limits['maxTotalRAMSize'] - compute_limits['totalRAMUsed']
-            remainHypervisorMEM = hypervisor_statistics['free_ram_mb']
-            if remainMEM > remainHypervisorMEM:
-                remainMEM = remainHypervisorMEM
-
-            remainStorage = storage_limits['maxTotalVolumeGigabytes'] - storage_limits['totalGigabytesUsed']
-            remainHypervisorStorage = hypervisor_statistics['free_disk_gb']
-            if (remainStorage > remainHypervisorStorage):
-                remainStorage = remainHypervisorStorage
-
-            # compare resource demanded with available
-            if (int(resource_demand['vCPU']) > remainVCPU):
-                hasEnoughResource = False
-            elif (int(resource_demand['Memory']) > remainMEM):
-                hasEnoughResource = False
-            elif (int(resource_demand['Storage']) > remainStorage):
-                hasEnoughResource = False
-            else:
-                hasEnoughResource = True
-
-            self._logger.info("RESP with data> result:%s" % hasEnoughResource)
-            return Response(data={'result': hasEnoughResource}, status=status.HTTP_200_OK)
-        except VimDriverNewtonException as e:
-            self._logger.error("Plugin exception> status:%s,error:%s"
-                               % (e.status_code, e.content))
-            return Response(data={'result': hasEnoughResource,
-                                  'error': e.content}, status=e.status_code)
-        except HttpError as e:
-            self._logger.error("HttpError: status:%s, response:%s" % (e.http_status, e.response.json()))
-            resp = e.response.json()
-            resp.update({'result': hasEnoughResource})
-            return Response(data=e.response.json(), status=e.http_status)
-        except Exception as e:
-            self._logger.error(traceback.format_exc())
-            return Response(data={'result': hasEnoughResource, 'error': str(e)},
-                            status=status.HTTP_500_INTERNAL_SERVER_ERROR)
-
-
-class APIv1CapacityCheck(CapacityCheck):
-    def __init__(self):
-        super(APIv1CapacityCheck, self).__init__()
-        # self._logger = logger
-
-    def post(self, request, cloud_owner="", cloud_region_id=""):
-        self._logger.info("vimid, data> %s,%s, %s" % (cloud_owner, cloud_region_id, request.data))
-        self._logger.debug("META> %s" % request.META)
-
-        vimid = extsys.encode_vim_id(cloud_owner, cloud_region_id)
-        return super(APIv1CapacityCheck, self).post(request, vimid)
diff --git a/windriver/titanium_cloud/resource/views/infra_workload.py b/windriver/titanium_cloud/resource/views/infra_workload.py
deleted file mode 100644
index 74c187fe..00000000
--- a/windriver/titanium_cloud/resource/views/infra_workload.py
+++ /dev/null
@@ -1,554 +0,0 @@
-# Copyright (c) 2017-2018 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.conf import settings
-from common.exceptions import VimDriverNewtonException
-# from newton_base.util import VimDriverUtils
-
-from keystoneauth1.exceptions import HttpError
-from rest_framework import status
-from rest_framework.response import Response
-from rest_framework.views import APIView
-from common.msapi import extsys
-from common.msapi.helper import Helper as helper
-
-from common.utils import restcall
-
-logger = logging.getLogger(__name__)
-
-
-class InfraWorkload(APIView):
-    def __init__(self):
-        self._logger = logger
-
-    def post(self, request, vimid=""):
-        self._logger.info("vimid: %s" % (vimid))
-        self._logger.info("data: %s" % (request.data))
-        self._logger.debug("META: %s" % request.META)
-
-        try:
-
-            data = request.data
-            oof_directive = data.get("oof_directives", {})
-            template_type = data.get("template_type", None)
-            template_data = data.get("template_data", {})
-            resp_template = None
-            if template_type and "heat" == template_type.lower():
-                # update heat parameters from oof_directive
-                parameters = template_data.get("parameters", {})
-
-                for directive in oof_directive.get("directives", []):
-                    if directive["type"] == "vnfc":
-                        for directive2 in directive.get("directives", []):
-                            if directive2["type"] in ["flavor_directives",
-                                                      "sriovNICNetwork_directives"]:
-                                for attr in directive2.get("attributes", []):
-                                    flavor_label = attr.get("attribute_name", None)
-                                    flavor_value = attr.get("attribute_value", None)
-                                    if flavor_label in parameters:
-                                        parameters[flavor_label] = flavor_value
-                                    else:
-                                        self._logger.warn(
-                                            "There is no parameter exist: %s" %
-                                            flavor_label)
-
-                # update parameters
-                template_data["parameters"] = parameters
-
-                # reset to make sure "files" are empty
-                template_data["files"] = {}
-
-                # authenticate
-                cloud_owner, regionid = extsys.decode_vim_id(vimid)
-                # should go via multicloud proxy so that
-                #  the selflink is updated by multicloud
-                retcode, v2_token_resp_json, os_status = \
-                    helper.MultiCloudIdentityHelper(
-                        settings.MULTICLOUD_API_V1_PREFIX,
-                        cloud_owner, regionid, "/v2.0/tokens")
-
-                if retcode > 0 or not v2_token_resp_json:
-                    logger.error("authenticate fails:%s,%s, %s" %
-                                 (cloud_owner, regionid, v2_token_resp_json))
-                    return
-                # tenant_id = v2_token_resp_json["access"]["token"]["tenant"]["id"]
-
-                service_type = "orchestration"
-                resource_uri = "/stacks"
-                self._logger.info("retrieve stack resources, URI:%s" % resource_uri)
-                retcode, content, os_status = \
-                    helper.MultiCloudServiceHelper(cloud_owner, regionid,
-                                                   v2_token_resp_json,
-                                                   service_type, resource_uri,
-                                                   template_data, "POST")
-
-                stack1 = content.get('stack', None) \
-                    if retcode == 0 and content else None
-
-                resp_template = {
-                    "template_type": template_type,
-                    "workload_id": stack1["id"] if stack1 else "",
-                    "template_response": content
-                }
-                self._logger.info("RESP with data> result:%s" % resp_template)
-
-                return Response(data=resp_template, status=os_status)
-
-            else:
-                msg = "The template type %s is not supported" % (template_type)
-                self._logger.warn(msg)
-                return Response(data={"error": msg},
-                                status=status.HTTP_500_INTERNAL_SERVER_ERROR)
-
-        except VimDriverNewtonException as e:
-            self._logger.error("Plugin exception> status:%s,error:%s"
-                               % (e.status_code, e.content))
-            return Response(data={'error': e.content}, status=e.status_code)
-        except HttpError as e:
-            self._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:
-            self._logger.error(traceback.format_exc())
-            return Response(data={'error': str(e)},
-                            status=status.HTTP_500_INTERNAL_SERVER_ERROR)
-
-    def get(self, request, vimid="", requri=""):
-        self._logger.info("vimid,requri: %s, %s" % (vimid, requri))
-        self._logger.debug("META: %s" % request.META)
-
-        try:
-            # assume the workload_type is heat
-            stack_id = requri
-            cloud_owner, regionid = extsys.decode_vim_id(vimid)
-            # should go via multicloud proxy so that the selflink is updated by multicloud
-            retcode, v2_token_resp_json, os_status = \
-                helper.MultiCloudIdentityHelper(
-                    settings.MULTICLOUD_API_V1_PREFIX,
-                    cloud_owner, regionid, "/v2.0/tokens")
-
-            if retcode > 0 or not v2_token_resp_json:
-                logger.error("authenticate fails:%s, %s, %s" %
-                             (cloud_owner, regionid, v2_token_resp_json))
-                return
-            # tenant_id = v2_token_resp_json["access"]["token"]["tenant"]["id"]
-            # tenant_name = v2_token_resp_json["access"]["token"]["tenant"]["name"]
-
-            # get stack status
-            service_type = "orchestration"
-            resource_uri = "/stacks?id=%s" % stack_id if stack_id else "/stacks"
-            self._logger.info("retrieve stack resources, URI:%s" % resource_uri)
-            retcode, content, os_status = \
-                helper.MultiCloudServiceHelper(cloud_owner, regionid,
-                                               v2_token_resp_json,
-                                               service_type, resource_uri,
-                                               None, "GET")
-
-            stacks = content.get('stacks', []) if retcode == 0 and content else []
-            stack_status = stacks[0]["stack_status"] if len(stacks) > 0 else ""
-
-            # stub response
-            resp_template = {
-                "template_type": "HEAT",
-                "workload_id": stack_id,
-                "workload_status": stack_status
-            }
-
-            if retcode > 0:
-                # return error messsages
-                resp_template['workload_response'] = content
-
-            if ('CREATE_COMPLETE' == stack_status):
-                self.heatbridge_update(request, vimid, stack_id)
-
-            self._logger.info("RESP with data> result:%s" % resp_template)
-            return Response(data=resp_template, status=os_status)
-        except VimDriverNewtonException as e:
-            self._logger.error("Plugin exception> status:%s,error:%s"
-                               % (e.status_code, e.content))
-            return Response(data={'error': e.content}, status=e.status_code)
-        except HttpError as e:
-            self._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:
-            self._logger.error(traceback.format_exc())
-            return Response(data={'error': str(e)},
-                            status=status.HTTP_500_INTERNAL_SERVER_ERROR)
-
-    def delete(self, request, vimid="", requri=""):
-        self._logger.info("vimid,requri: %s, %s" % (vimid, requri))
-        self._logger.debug("META: %s" % request.META)
-
-        try:
-            if requri == "":
-                raise VimDriverNewtonException(
-                    message="workload_id is not specified",
-                    content="workload_id must be specified to delete the workload",
-                    status_code=400)
-
-            # assume the workload_type is heat
-            stack_id = requri
-            cloud_owner, regionid = extsys.decode_vim_id(vimid)
-            # should go via multicloud proxy so that
-            #  the selflink is updated by multicloud
-            retcode, v2_token_resp_json, os_status = \
-                helper.MultiCloudIdentityHelper(
-                    settings.MULTICLOUD_API_V1_PREFIX,
-                    cloud_owner, regionid, "/v2.0/tokens")
-
-            if retcode > 0 or not v2_token_resp_json:
-                logger.error("authenticate fails:%s, %s, %s" %
-                             (cloud_owner, regionid, v2_token_resp_json))
-                return
-            # tenant_id = v2_token_resp_json["access"]["token"]["tenant"]["id"]
-            # tenant_name = v2_token_resp_json["access"]["token"]["tenant"]["name"]
-
-            # get stack status
-            service_type = "orchestration"
-            resource_uri = "/stacks?id=%s" % stack_id if stack_id else "/stacks"
-            self._logger.info("retrieve stack resources, URI:%s" % resource_uri)
-            retcode, content, os_status = \
-                helper.MultiCloudServiceHelper(cloud_owner, regionid,
-                                               v2_token_resp_json,
-                                               service_type, resource_uri,
-                                               None, "GET")
-
-            stacks = content.get('stacks', []) \
-                if retcode == 0 and content else []
-            # assume there is at most 1 stack returned
-            #  since it was filtered by id
-            stack1 = stacks[0] if stacks else None
-            stack_status = ""
-
-            if stack1 and 'CREATE_COMPLETE' == stack1['stack_status']:
-                # delete the stack
-                resource_uri = "/stacks/%s/%s" % \
-                               (stack1['stack_name'], stack1['id'])
-                self._logger.info("delete stack, URI:%s" % resource_uri)
-                retcode, content, os_status = \
-                    helper.MultiCloudServiceHelper(cloud_owner, regionid,
-                                                   v2_token_resp_json,
-                                                   service_type, resource_uri,
-                                                   None, "DELETE")
-                if retcode == 0:
-                    stack_status = "DELETE_IN_PROCESS"
-                    # and update AAI inventory by heatbridge-delete
-                    self.heatbridge_delete(request, vimid, stack1['id'])
-
-            # stub response
-            resp_template = {
-                "template_type": "HEAT",
-                "workload_id": stack_id,
-                "workload_status": stack_status
-            }
-
-            if retcode > 0:
-                resp_template["workload_response"] = content
-
-            self._logger.info("RESP with data> result:%s" % resp_template)
-            return Response(status=os_status)
-        except VimDriverNewtonException as e:
-            self._logger.error("Plugin exception> status:%s,error:%s"
-                               % (e.status_code, e.content))
-            return Response(data={'error': e.content}, status=e.status_code)
-        except HttpError as e:
-            self._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:
-            self._logger.error(traceback.format_exc())
-            return Response(data={'error': str(e)},
-                            status=status.HTTP_500_INTERNAL_SERVER_ERROR)
-
-    def heatbridge_update(self, request, vimid, stack_id):
-        '''
-        update heat resource to AAI for the specified cloud region and tenant
-        The resources includes: vserver, vserver/l-interface,
-        :param request:
-        :param vimid:
-        :param stack_id:
-        :return:
-        '''
-
-        cloud_owner, regionid = extsys.decode_vim_id(vimid)
-        # should go via multicloud proxy so that the selflink is updated by multicloud
-        retcode, v2_token_resp_json, os_status = \
-            helper.MultiCloudIdentityHelper(settings.MULTICLOUD_API_V1_PREFIX,
-                                            cloud_owner, regionid, "/v2.0/tokens")
-        if retcode > 0:
-            logger.error("authenticate fails:%s, %s, %s" %
-                         (cloud_owner, regionid, v2_token_resp_json))
-
-            return None
-        tenant_id = v2_token_resp_json["access"]["token"]["tenant"]["id"]
-        # tenant_name = v2_token_resp_json["access"]["token"]["tenant"]["name"]
-
-        # common prefix
-        aai_cloud_region = \
-            "/cloud-infrastructure/cloud-regions/cloud-region/%s/%s/tenants/tenant/%s" \
-            % (cloud_owner, regionid, tenant_id)
-
-        # get stack resource
-        service_type = "orchestration"
-        resource_uri = "/stacks/%s/resources" % (stack_id)
-        self._logger.info("retrieve stack resources, URI:%s" % resource_uri)
-        retcode, content, os_status = \
-            helper.MultiCloudServiceHelper(cloud_owner, regionid,
-                                           v2_token_resp_json,
-                                           service_type, resource_uri,
-                                           None, "GET")
-
-        resources = content.get('resources', []) if retcode == 0 and content else []
-
-        # find and update resources
-        transactions = []
-        for resource in resources:
-            if resource.get('resource_status', None) != "CREATE_COMPLETE":
-                continue
-            if resource.get('resource_type', None) == 'OS::Nova::Server':
-                # retrieve vserver details
-                service_type = "compute"
-                resource_uri = "/servers/%s" % (resource['physical_resource_id'])
-                self._logger.info("retrieve vserver detail, URI:%s" % resource_uri)
-                retcode, content, os_status = \
-                    helper.MultiCloudServiceHelper(cloud_owner, regionid,
-                                                   v2_token_resp_json,
-                                                   service_type, resource_uri,
-                                                   None, "GET")
-
-                self._logger.debug(" resp data:%s" % content)
-                vserver_detail = content.get('server', None) if retcode == 0 and content else None
-                if vserver_detail:
-                    # compose inventory entry for vserver
-                    vserver_link = ""
-                    for link in vserver_detail['links']:
-                        if link['rel'] == 'self':
-                            vserver_link = link['href']
-                            break
-                        pass
-
-                    # note: relationship-list to flavor/image is not be update yet
-                    # note: volumes is not updated yet
-                    # note: relationship-list to vnf will be handled somewhere else
-                    aai_resource = {
-                        'body': {
-                            'vserver-name': vserver_detail['name'],
-                            'vserver-name2': vserver_detail['name'],
-                            "vserver-id": vserver_detail['id'],
-                            "vserver-selflink": vserver_link,
-                            "prov-status": vserver_detail['status']
-                        },
-                        "uri": aai_cloud_region + "/vservers/vserver/%s" % (vserver_detail['id'])
-                    }
-
-                    try:
-                        # then update the resource
-                        retcode, content, status_code = \
-                            restcall.req_to_aai(aai_resource['uri'],
-                                                "PUT", content=aai_resource['body'])
-
-                        if retcode == 0 and content:
-                            content = json.JSONDecoder().decode(content)
-                            self._logger.debug("AAI update %s response: %s" %
-                                               (aai_resource['uri'], content))
-                    except Exception:
-                        self._logger.error(traceback.format_exc())
-                        pass
-
-                    aai_resource_transactions = {"put": [aai_resource]}
-                    transactions.append(aai_resource_transactions)
-                    # self._logger.debug("aai_resource :%s" % aai_resource_transactions)
-                    pass
-
-        for resource in resources:
-            if resource.get('resource_status', None) != "CREATE_COMPLETE":
-                continue
-            if resource.get('resource_type', None) == 'OS::Neutron::Port':
-                # retrieve vport details
-                service_type = "network"
-                resource_uri = "/v2.0/ports/%s" % (resource['physical_resource_id'])
-                self._logger.info("retrieve vport detail, URI:%s" % resource_uri)
-                retcode, content, os_status = \
-                    helper.MultiCloudServiceHelper(cloud_owner, regionid,
-                                                   v2_token_resp_json,
-                                                   service_type, resource_uri,
-                                                   None, "GET")
-
-                self._logger.debug(" resp data:%s" % content)
-
-                vport_detail = content.get('port', None) if retcode == 0 and content else None
-                if vport_detail:
-                    # compose inventory entry for vport
-                    # note: l3-interface-ipv4-address-list,
-                    #  l3-interface-ipv6-address-list are not updated yet
-                    # note: network-name is not update yet since the detail
-                    #  coming with network-id
-                    aai_resource = {
-                        "body": {
-                            "interface-name": vport_detail['name'],
-                            "interface-id": vport_detail['id'],
-                            "macaddr": vport_detail['mac_address']
-                        },
-                        'uri':
-                            aai_cloud_region + "/vservers/vserver/%s/l-interfaces/l-interface/%s"
-                                               % (vport_detail['device_id'], vport_detail['name'])
-                    }
-                    try:
-                        # then update the resource
-                        retcode, content, status_code = \
-                            restcall.req_to_aai(aai_resource['uri'], "PUT",
-                                                content=aai_resource['body'])
-
-                        if retcode == 0 and content:
-                            content = json.JSONDecoder().decode(content)
-                            self._logger.debug("AAI update %s response: %s" %
-                                               (aai_resource['uri'], content))
-                    except Exception:
-                        self._logger.error(traceback.format_exc())
-                        pass
-
-                    aai_resource_transactions = {"put": [aai_resource]}
-                    transactions.append(aai_resource_transactions)
-                    # self._logger.debug("aai_resource :%s" % aai_resource_transactions)
-
-                    pass
-
-        aai_transactions = {"transactions": transactions}
-        self._logger.debug("aai_transactions :%s" % aai_transactions)
-
-        return aai_transactions
-
-    def heatbridge_delete(self, request, vimid, stack_id):
-        '''
-        remove heat resource from AAI for the specified cloud region and tenant
-        The resources includes: vserver, vserver/l-interface,
-        :param request:
-        :param vimid:
-        :param stack_id:
-        :param tenant_id:
-        :return:
-        '''
-
-        # enumerate the resources
-        cloud_owner, regionid = extsys.decode_vim_id(vimid)
-        # should go via multicloud proxy so that the selflink is updated by multicloud
-        retcode, v2_token_resp_json, os_status = \
-            helper.MultiCloudIdentityHelper(settings.MULTICLOUD_API_V1_PREFIX,
-                                            cloud_owner, regionid, "/v2.0/tokens")
-        if retcode > 0:
-            logger.error("authenticate fails:%s, %s, %s" %
-                         (cloud_owner, regionid, v2_token_resp_json))
-            return None
-
-        tenant_id = v2_token_resp_json["access"]["token"]["tenant"]["id"]
-        # tenant_name = v2_token_resp_json["access"]["token"]["tenant"]["name"]
-
-        # common prefix
-        aai_cloud_region = \
-            "/cloud-infrastructure/cloud-regions/cloud-region/%s/%s/tenants/tenant/%s" \
-            % (cloud_owner, regionid, tenant_id)
-
-        # get stack resource
-        service_type = "orchestration"
-        resource_uri = "/stacks/%s/resources" % (stack_id)
-        self._logger.info("retrieve stack resources, URI:%s" % resource_uri)
-        retcode, content, os_status = \
-            helper.MultiCloudServiceHelper(cloud_owner, regionid,
-                                           v2_token_resp_json,
-                                           service_type, resource_uri,
-                                           None, "GET")
-        resources = content.get('resources', []) \
-            if retcode == 0 and content else []
-
-        vserver_list = [resource['physical_resource_id'] for resource in resources
-                        if resource.get('resource_type', None) == 'OS::Nova::Server']
-
-        try:
-            # get list of vservers
-            vserver_list_url = aai_cloud_region + "/vservers?depth=all"
-            retcode, content, status_code = \
-                restcall.req_to_aai(vserver_list_url, "GET")
-            if retcode > 0 or not content:
-                self._logger.debug("AAI get %s response: %s" % (vserver_list_url, content))
-                return None
-            content = json.JSONDecoder().decode(content)
-            vservers = content['vserver']
-            for vserver in vservers:
-                if vserver['vserver-id'] not in vserver_list:
-                    continue
-
-                try:
-                    # iterate vport, except will be raised if no l-interface exist
-                    for vport in vserver['l-interfaces']['l-interface']:
-                        # delete vport
-                        vport_delete_url = \
-                            aai_cloud_region + \
-                            "/vservers/vserver/%s/l-interfaces/l-interface/%s?resource-version=%s" \
-                            % (vserver['vserver-id'], vport['interface-name'],
-                               vport['resource-version'])
-
-                        restcall.req_to_aai(vport_delete_url, "DELETE")
-                except Exception:
-                    pass
-
-                try:
-                    # delete vserver
-                    vserver_delete_url = \
-                        aai_cloud_region + \
-                        "/vservers/vserver/%s?resource-version=%s" \
-                        % (vserver['vserver-id'], vserver['resource-version'])
-
-                    restcall.req_to_aai(vserver_delete_url, "DELETE")
-                except Exception:
-                    continue
-
-        except Exception:
-            self._logger.error(traceback.format_exc())
-            return None
-        pass
-
-
-class APIv1InfraWorkload(InfraWorkload):
-    def __init__(self):
-        super(APIv1InfraWorkload, self).__init__()
-        # self._logger = logger
-
-    def post(self, request, cloud_owner="", cloud_region_id=""):
-        # self._logger.info("cloud owner, cloud region id, data: %s,%s, %s" %
-        #  (cloud_owner, cloud_region_id, request.data))
-        # self._logger.debug("META: %s" % request.META)
-
-        vimid = extsys.encode_vim_id(cloud_owner, cloud_region_id)
-        return super(APIv1InfraWorkload, self).post(request, vimid)
-
-    def get(self, request, cloud_owner="", cloud_region_id="", requri=""):
-        # self._logger.info("cloud owner, cloud region id, data: %s,%s, %s" %
-        #  (cloud_owner, cloud_region_id, request.data))
-        # self._logger.debug("META: %s" % request.META)
-
-        vimid = extsys.encode_vim_id(cloud_owner, cloud_region_id)
-        return super(APIv1InfraWorkload, self).get(request, vimid, requri)
-
-    def delete(self, request, cloud_owner="", cloud_region_id="", requri=""):
-        # self._logger.info("cloud owner, cloud region id, data: %s,%s, %s" %
-        #  (cloud_owner, cloud_region_id, request.data))
-        # self._logger.debug("META: %s" % request.META)
-
-        vimid = extsys.encode_vim_id(cloud_owner, cloud_region_id)
-        return super(APIv1InfraWorkload, self).delete(request, vimid, requri)
diff --git a/windriver/titanium_cloud/urls.py b/windriver/titanium_cloud/urls.py
index e953140e..f4adc10b 100644
--- a/windriver/titanium_cloud/urls.py
+++ b/windriver/titanium_cloud/urls.py
@@ -14,11 +14,11 @@
 
 from django.conf.urls import include, url
 
-from titanium_cloud.registration.views import registration
+from starlingx_base.registration import registration
 from newton_base.openoapi import tenants
-from titanium_cloud.resource.views import capacity
+from newton_base.resource import capacity
 from titanium_cloud.vesagent import vesagent_ctrl
-from titanium_cloud.resource.views import infra_workload
+from newton_base.resource import infra_workload
 
 urlpatterns = [
     url(r'^', include('titanium_cloud.swagger.urls')),