Refactor vnflcm creation and delete vnf code

[vfc/gvnfm/vnflcm.git] / lcm / lcm / nf / vnfs / vnf_cancel / delete_vnf_identifier.py

diff --git a/lcm/lcm/nf/vnfs/vnf_cancel/delete_vnf_identifier.py b/lcm/lcm/nf/vnfs/vnf_cancel/delete_vnf_identifier.py
index 5cf3659..af83ec1 100644 (file)
--- a/lcm/lcm/nf/vnfs/vnf_cancel/delete_vnf_identifier.py
+++ b/lcm/lcm/nf/vnfs/vnf_cancel/delete_vnf_identifier.py
@@ -11,8 +11,14 @@
 # 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 lcm.pub.database.models import NfInstModel
+
+import logging
+
+from lcm.pub.database.models import NfInstModel, NfvoRegInfoModel
 from lcm.pub.exceptions import NFLCMException
+from lcm.pub.msapi.aai import query_vnf_aai, delete_vnf_aai
+
+logger = logging.getLogger(__name__)
 
 
 class DeleteVnf:
@@ -21,10 +27,39 @@ class DeleteVnf:
         self.nf_inst_id = instanceid
 
     def do_biz(self):
-        sel_vnfs = NfInstModel.objects.filter(pk=self.nf_inst_id)
-        if not sel_vnfs.exists():
-            raise NFLCMException('VnfInst(%s) does not exist' % self.nf_inst_id)
-        sel_vnf = sel_vnfs[0]
-        if sel_vnf.instantiationState != 'VNF_INSTANTIATED':
-            raise NFLCMException("No instantiated vnf")
-        pass
+        try:
+            self.check_parameter()
+            self.delete_info_from_db()
+            self.delete_vnf_in_aai()
+        except NFLCMException as e:
+            logger.debug('Delete VNF instance[%s] from AAI failed' % self.nf_inst_id)
+        except:
+            logger.debug('Delete VNF instance[%s] failed' % self.nf_inst_id)
+
+    def check_parameter(self):
+        vnf_insts = NfInstModel.objects.filter(nfinstid=self.nf_inst_id)
+        if not vnf_insts.exists():
+            logger.warn('VnfInst(%s) does not exist' % self.nf_inst_id)
+            return
+            # sel_vnf = vnf_insts[0]
+            # if sel_vnf.status != 'NOT_INSTANTIATED':
+            #    raise NFLCMException("Don't allow to delete vnf(status:[%s])" % sel_vnf.status)
+
+    def delete_info_from_db(self):
+        NfInstModel.objects.filter(nfinstid=self.nf_inst_id).delete()
+        NfvoRegInfoModel.objects.filter(nfvoid=self.nf_inst_id).delete()
+
+    def delete_vnf_in_aai(self):
+        logger.debug("DeleteVnf::delete_vnf_in_aai::delete vnf instance[%s] in aai." % self.nf_inst_id)
+
+        # query vnf instance in aai, get resource_version
+        customer_info = query_vnf_aai(self.nf_inst_id)
+        resource_version = customer_info["resource-version"]
+
+        # delete vnf instance from aai
+        resp_data, resp_status = delete_vnf_aai(self.nf_inst_id, resource_version)
+        if resp_data:
+            logger.debug("Fail to delete vnf instance[%s] from aai, resp_status: [%s]." % (self.nf_inst_id, resp_status))
+        else:
+            logger.debug(
+                "Success to delete vnf instance[%s] from aai, resp_status: [%s]." % (self.nf_inst_id, resp_status))