X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=o2ims%2Fadapter%2Form.py;h=43b48b001b6ebafeffdfb92ffbebcbfd1d91e469;hb=7b80a6162b616d1cd33d3af4367abfb8d56622d8;hp=6c4a67851e46d24849779cb7563ebeb91de99de4;hpb=955e499773dcfd80e2b5497d3cb1b38c9ae294eb;p=pti%2Fo2.git

diff --git a/o2ims/adapter/orm.py b/o2ims/adapter/orm.py
index 6c4a678..43b48b0 100644
--- a/o2ims/adapter/orm.py
+++ b/o2ims/adapter/orm.py
@@ -13,6 +13,7 @@
 #  limitations under the License.
 
 # from typing_extensions import Required
+from retry import retry
 from sqlalchemy import (
     Table,
     MetaData,
@@ -27,6 +28,7 @@ from sqlalchemy import (
     # Boolean,
     # engine,
     # event,
+    exc,
 )
 
 from sqlalchemy.orm import mapper, relationship
@@ -161,6 +163,13 @@ configuration = Table(
 )
 
 
+@retry((exc.IntegrityError), tries=3, delay=2)
+def wait_for_metadata_ready(engine):
+    # wait for mapper ready
+    metadata.create_all(engine, checkfirst=True)
+    logger.info("metadata is ready")
+
+
 def start_o2ims_mappers(engine=None):
     logger.info("Starting O2 IMS mappers")
 
@@ -187,4 +196,4 @@ def start_o2ims_mappers(engine=None):
     mapper(confModel.Configuration, configuration)
 
     if engine is not None:
-        metadata.create_all(engine, checkfirst=True)
+        wait_for_metadata_ready(engine)