Add HPA basic capabilities for titanium cloud

Change-Id: I019ec804d1f69554c3e0ad8621222b582fd9cd66
Issue-ID: MULTICLOUD-200
Signed-off-by: Yun Huang <yun.huang@windriver.com>

1 files changed, 80 insertions, 1 deletions

diff --git a/windriver/titanium_cloud/registration/views/registration.py b/windriver/titanium_cloud/registration/views/registration.py
index a7b2831f..d735336c 100644
--- a/windriver/titanium_cloud/registration/views/registration.py
+++ b/windriver/titanium_cloud/registration/views/registration.py
@@ -13,14 +13,20 @@
 # 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 common.msapi import extsys
+from keystoneauth1.exceptions import HttpError
 
 logger = logging.getLogger(__name__)
 
-#DEBUG=True
+DEBUG=True
 
 class Registry(newton_registration.Registry):
 
@@ -28,3 +34,76 @@ class Registry(newton_registration.Registry):
         self.proxy_prefix = settings.MULTICLOUD_PREFIX
         self.aai_base_url = settings.AAI_BASE_URL
         self._logger = logger
+
+    def _discover_flavors(self, vimid="", session=None, viminfo=None):
+        try:
+            cloud_owner, cloud_region_id = extsys.decode_vim_id(vimid)
+            for flavor in self._get_list_resources(
+                    "/flavors/detail", "compute", session, viminfo, vimid,
+                    "flavors"): 
+                flavor_info = {
+                    'flavor-id': flavor['id'],
+                    'flavor-name': flavor['name'],
+                    'flavor-vcpus': flavor['vcpus'],
+                    'flavor-ram': flavor['ram'],
+                    'flavor-disk': flavor['disk'],
+                    'flavor-ephemeral': flavor['OS-FLV-EXT-DATA:ephemeral'],
+                    'flavor-swap': flavor['swap'],
+                    'flavor-is-public': flavor['os-flavor-access:is_public'],
+                    'flavor-disabled': flavor['OS-FLV-DISABLED:disabled'],
+                }
+
+                if flavor.get('link') and len(flavor['link']) > 0:
+                    flavor_info['flavor-selflink'] = flavor['link'][0]['href'] or 'http://0.0.0.0',
+                else:
+                    flavor_info['flavor-selflink'] = 'http://0.0.0.0',
+
+                # add hpa capabilities
+                req_resouce = "/flavors/%s/os-extra_specs" % flavor['id']
+                extraResp = self._get_list_resources(req_resouce, "compute", session, viminfo, vimid, "extra_specs")
+
+                hpa_capabilities = self._get_hpa_capabilities(flavor, extraResp)
+                flavor_info['hpa_capabilities'] = hpa_capabilities
+
+                self._update_resoure(
+                    cloud_owner, cloud_region_id, flavor['id'],
+                    flavor_info, "flavor")
+
+        except VimDriverNewtonException as e:
+            self._logger.error("VimDriverNewtonException: status:%s, response:%s" % (e.http_status, e.content))
+            return
+        except HttpError as e:
+            self._logger.error("HttpError: status:%s, response:%s" % (e.http_status, e.response.json()))
+            return
+        except Exception as e:
+            self._logger.error(traceback.format_exc())
+            return
+
+    def _get_hpa_capabilities(self, flavor, extra_specs):
+        hpa_caps = []
+
+        # Basic capabilties
+        caps_dict = self._get_hpa_basic_capabilities(flavor)
+        if len(caps_dict) > 0:
+            self._logger.debug("basic_capabilities_info: %s" % caps_dict)
+            hpa_caps.append(caps_dict)
+
+        return hpa_caps
+
+    def _get_hpa_basic_capabilities(self, flavor):
+        basic_capability = {}
+        feature_uuid = uuid.uuid4()
+        basic_capability['hpaCapabilityID'] = str(feature_uuid)
+
+        basic_capability['hpaFeature'] = 'basicCapabilities'
+        basic_capability['hardwareArchitecture'] = 'generic'
+        basic_capability['version'] = 'v1'
+
+        basic_capability['attributes'] = []
+        basic_capability['attributes'].append({'hpa-attribute-key': 'numVirtualCpu',
+                                               'hpa-attribute-value':{'value': str(flavor['vcpus']) }})
+        basic_capability['attributes'].append({'hpa-attribute-key':'virtualMemSize',
+                                               'hpa-attribute-value': {'value':str(flavor['ram']), 'unit':'MB'}})
+
+        return basic_capability
+