Replace removed DB methods with current ones

Replace removed Binary with LargeBinary import
Remove reflect=True from Alembic MetaData
Replace removed idle_timeout with connection_recycle_time option

- Binary was removed in SQLAlchemy 1.4.x [1]
- SQLAlchemy was updated to 1.4.15 in u-c [2]
- idle_timeout was removed in oslo.db 10.0.0 [3]
- oslo.db was updated to 10.0.0 in u-c [4]
- idle_timeout was already deprecated and renamed as
  connection_recycle_time [5]

[1] https://github.com/sqlalchemy/sqlalchemy/issues/6263#issuecomment-819645247
[2] dc86260b28
[3] a857b83c9c
[4] f322cc13d8
[5] 6634218415

Change-Id: I13ec9c2b53174cfb2e3cb990ec773588cf68007c

monasca_api/common/repositories/sqla/models.py

@@ -18,7 +18,7 @@
 from sqlalchemy import Column
 from sqlalchemy.ext import compiler
 from sqlalchemy.sql import expression
-from sqlalchemy import String, DateTime, Boolean, Integer, Binary, Float
+from sqlalchemy import String, DateTime, Boolean, Integer, LargeBinary, Float
 from sqlalchemy import MetaData
 from sqlalchemy import Table
 
@@ -76,14 +76,14 @@ def create_aa_model(metadata=None):
 
 def create_md_model(metadata=None):
     return Table('metric_dimension', metadata,
-                 Column('dimension_set_id', Binary),
+                 Column('dimension_set_id', LargeBinary),
                  Column('name', String(255)),
                  Column('value', String(255)))
 
 
 def create_mde_model(metadata=None):
     return Table('metric_definition', metadata,
-                 Column('id', Binary),
+                 Column('id', LargeBinary),
                  Column('name', String(255)),
                  Column('tenant_id', String(255)),
                  Column('region', String(255)))
@@ -108,15 +108,15 @@ def create_nmt_model(metadata=None):
 
 def create_mdd_model(metadata=None):
     return Table('metric_definition_dimensions', metadata,
-                 Column('id', Binary),
-                 Column('metric_definition_id', Binary),
-                 Column('metric_dimension_set_id', Binary))
+                 Column('id', LargeBinary),
+                 Column('metric_definition_id', LargeBinary),
+                 Column('metric_dimension_set_id', LargeBinary))
 
 
 def create_am_model(metadata=None):
     return Table('alarm_metric', metadata,
                  Column('alarm_id', String(36)),
-                 Column('metric_definition_dimensions_id', Binary))
+                 Column('metric_definition_dimensions_id', LargeBinary))
 
 
 def create_ad_model(metadata=None):

monasca_api/common/repositories/sqla/sql_repository.py

@@ -33,7 +33,7 @@ def _get_db_conf(conf_group, connection=None):
         __autocommit=True,
         expire_on_commit=False,
         mysql_sql_mode=conf_group.mysql_sql_mode,
-        idle_timeout=conf_group.idle_timeout,
+        connection_recycle_time=conf_group.connection_recycle_time,
         connection_debug=conf_group.connection_debug,
         max_pool_size=conf_group.max_pool_size,
         max_overflow=conf_group.max_overflow,

monasca_api/db/fingerprint.py

@@ -48,7 +48,7 @@ class Fingerprint(object):
 
     @staticmethod
     def _get_metadata(engine):
-        return MetaData(bind=engine, reflect=True)
+        return MetaData(bind=engine)
 
     @staticmethod
     def _get_schema_raw(metadata):