anomaly detect: add api (delete record)

Change-Id: I0422e02137f55346f2695d977c71fd92e9bb68d3

venus/api/v1/router.py

@@ -126,3 +126,8 @@ class APIRouter(venus.api.openstack.APIRouter):
                        controller=anomaly_detect_resource,
                        action='get_record_list',
                        conditions={'method': ['GET']})
+
+        mapper.connect("delete_record", "/anomaly/record/{id}",
+                       controller=anomaly_detect_resource,
+                       action='delete_record',
+                       conditions={'method': ['DELETE']})

venus/modules/anomaly_detect/action.py

@@ -43,3 +43,7 @@ class AnomalyDetectCore(object):
     def get_record_list(self, params):
         res = self.sql.get_record_list(self, params)
         return res
+
+    def delete_record(self, id):
+        res = self.sql.delete_record(id)
+        return res

venus/modules/anomaly_detect/backends/sql.py

@@ -130,3 +130,8 @@ class AnomalyDetectSql(object):
             query = query.limit(page_size).offset((page_num - 1) * page_num)
             res = query.all()
             return res
+
+    def delete_record(self, id):
+        session = get_session()
+        with session.begin():
+            session.query(models.AnomalyRecords).filter_by(id=id).delete()

venus/modules/anomaly_detect/controller.py

@@ -123,6 +123,11 @@ class AnomalyDetectController(wsgi.Controller):
 
         return {"code": 0, "msg": "OK", "rules": records}
 
+    @wsgi.wrap_check_policy
+    def delete_record(self, req, id):
+        self.api.delete_record(id)
+        return {"code": 0, "msg": "OK"}
+
 
 def create_resource(ext_mgr):
     return wsgi.Resource(AnomalyDetectController(ext_mgr))