fix: PLT-903: Use db alias in migrations

label_studio/data_manager/migrations/0002_remove_annotations_ids.py

@@ -4,8 +4,9 @@
 
 
 def remove(apps, schema_editor):
+    db_alias = schema_editor.connection.alias
     View = apps.get_model('data_manager', 'View')
-    views = View.objects.all()
+    views = View.objects.using(db_alias).all()
 
     for view in views:
         if 'hiddenColumns' in view.data:
@@ -16,7 +17,7 @@ def remove(apps, schema_editor):
                 view.data['hiddenColumns']['labeling'].append('tasks:annotations_ids')
                 view.data['hiddenColumns']['labeling'] = list(set(view.data['hiddenColumns']['labeling']))
 
-        view.save()
+        view.save(using=db_alias)
 
 
 class Migration(migrations.Migration):

label_studio/data_manager/migrations/0003_remove_predictions_model_versions.py

@@ -4,8 +4,9 @@
 
 
 def remove(apps, schema_editor):
+    db_alias = schema_editor.connection.alias
     View = apps.get_model('data_manager', 'View')
-    views = View.objects.all()
+    views = View.objects.using(db_alias).all()
 
     for view in views:
         if 'hiddenColumns' in view.data:
@@ -16,7 +17,7 @@ def remove(apps, schema_editor):
                 view.data['hiddenColumns']['labeling'].append('tasks:predictions_model_versions')
                 view.data['hiddenColumns']['labeling'] = list(set(view.data['hiddenColumns']['labeling']))
 
-        view.save()
+        view.save(using=db_alias)
 
 
 class Migration(migrations.Migration):

label_studio/data_manager/migrations/0017_update_agreement_selected_to_nested_structure.py

@@ -1,4 +1,4 @@
-from django.db import migrations, connection
+from django.db import migrations
 from copy import deepcopy
 from django.apps import apps as django_apps
 from django.conf import settings
@@ -12,7 +12,7 @@
 logger = logging.getLogger(__name__)
 
 
-def forward_migration():
+def forward_migration(db_alias):
     """
     Migrates views that have agreement_selected populated to the new structure
 
@@ -36,7 +36,7 @@ def forward_migration():
             'ground_truth': bool
         }
     """
-    migration, created = AsyncMigrationStatus.objects.get_or_create(
+    migration, created = AsyncMigrationStatus.objects.using(db_alias).get_or_create(
         name=migration_name,
         defaults={'status': AsyncMigrationStatus.STATUS_STARTED}
     )
@@ -49,7 +49,7 @@ def forward_migration():
     # Iterate using values() to avoid loading full model instances
     # Fetch only the fields we need, filtering to views that have 'agreement_selected' in data
     qs = (
-        View.objects
+        View.objects.using(db_alias)
         .filter(data__has_key='agreement_selected')
         .filter(data__agreement_selected__isnull=False)
         .values('id', 'data')
@@ -69,18 +69,19 @@ def forward_migration():
         }
 
         # Update only the JSON field via update(); do not load model instance or call save()
-        View.objects.filter(id=view_id).update(data=new_data)
+        View.objects.using(db_alias).filter(id=view_id).update(data=new_data)
         logger.info(f'Updated View {view_id} agreement selected to default all annotators + all models')
         updated += 1
 
     if updated:
         logger.info(f'{migration_name} Updated {updated} View rows')
 
     migration.status = AsyncMigrationStatus.STATUS_FINISHED
-    migration.save(update_fields=['status'])
+    migration.save(update_fields=['status'], using=db_alias)
 
 def forwards(apps, schema_editor):
-    start_job_async_or_sync(forward_migration, queue_name=settings.SERVICE_QUEUE_NAME)
+    db_alias = schema_editor.connection.alias
+    start_job_async_or_sync(forward_migration, db_alias=db_alias, queue_name=settings.SERVICE_QUEUE_NAME)
 
 
 def backwards(apps, schema_editor):
@@ -100,4 +101,3 @@ class Migration(migrations.Migration):
     ]
 
 
-

label_studio/io_storages/migrations/0014_init_statuses.py

@@ -6,17 +6,19 @@
 logger = logging.getLogger(__name__)
 
 
-def update_storage(storage):
+def update_storage(storage, db_alias=None):
     logger.info(f'=> Migration for {storage._meta.label} statuses started')
-    storage.objects.update(status='initialized')
-    instances = list(storage.objects.all().only('id', 'meta', 'status', 'last_sync_count'))
+    manager = storage.objects.using(db_alias) if db_alias else storage.objects
+    manager.update(status='initialized')
+    instances = list(manager.all().only('id', 'meta', 'status', 'last_sync_count', 'project_id'))
 
     for instance in instances:
-        prefix = f'Project ID={instance.project.id} {instance}'
+        prefix = f'Project ID={instance.project_id} {instance}'
 
         # import source storages
         if 'import' in storage._meta.label_lower:
-            count = instance.links.count() - instance.last_sync_count if instance.last_sync_count else 0
+            links_manager = instance.links.using(db_alias) if db_alias else instance.links
+            count = links_manager.count() - instance.last_sync_count if instance.last_sync_count else 0
             instance.meta['tasks_existed'] = count if count > 0 else 0
             if instance.meta['tasks_existed'] and instance.meta['tasks_existed'] > 0:
                 instance.status = 'completed'
@@ -29,11 +31,12 @@ def update_storage(storage):
                 instance.status = 'completed'
             logger.info(f'{prefix} total_annotations = {instance.last_sync_count}')
 
-    storage.objects.bulk_update(instances, fields=['meta', 'status'], batch_size=100)
+    manager.bulk_update(instances, fields=['meta', 'status'], batch_size=100)
     logger.info(f'=> Migration for {storage._meta.label} statuses finished')
 
 
 def forwards(apps, schema_editor):
+    db_alias = schema_editor.connection.alias
     storages = [
         apps.get_model('io_storages', 'AzureBlobImportStorage'),
         apps.get_model('io_storages', 'AzureBlobExportStorage'),
@@ -48,7 +51,7 @@ def forwards(apps, schema_editor):
     ]
 
     for storage in storages:
-        update_storage(storage)
+        update_storage(storage, db_alias)
 
 
 def backwards(apps, schema_editor):

label_studio/io_storages/migrations/0017_auto_20240731_1638.py

@@ -69,8 +69,8 @@ def drop_index_sql(table_name, index_name, column_name):
 ]
 
 
-def forward_migration(migration_name):
-    migration = AsyncMigrationStatus.objects.create(
+def forward_migration(migration_name, db_alias):
+    migration = AsyncMigrationStatus.objects.using(db_alias).create(
         name=migration_name,
         status=AsyncMigrationStatus.STATUS_STARTED,
     )
@@ -79,7 +79,8 @@ def forward_migration(migration_name):
     )
 
     # Get db cursor
-    cursor = connection.cursor()
+    from django.db import connections
+    cursor = connections[db_alias].cursor()
     for table in tables:
         index_sql = create_index_sql(table['table_name'], table['index_name'], table['column_name'])
         fk_sql = create_fk_sql(table['table_name'], table['fk_constraint'], table['column_name'], "task_completion",
@@ -90,13 +91,13 @@ def forward_migration(migration_name):
         cursor.execute(fk_sql)
 
     migration.status = AsyncMigrationStatus.STATUS_FINISHED
-    migration.save()
+    migration.save(using=db_alias)
     logger.debug(
         f'Async migration {migration_name} complete'
     )
 
-def reverse_migration(migration_name):
-    migration = AsyncMigrationStatus.objects.create(
+def reverse_migration(migration_name, db_alias):
+    migration = AsyncMigrationStatus.objects.using(db_alias).create(
         name=migration_name,
         status=AsyncMigrationStatus.STATUS_STARTED,
     )
@@ -105,26 +106,29 @@ def reverse_migration(migration_name):
     )
 
     # Get db cursor
-    cursor = connection.cursor()
+    from django.db import connections
+    cursor = connections[db_alias].cursor()
     for table in tables:
         reverse_sql = drop_index_sql(table['table_name'], table['index_name'], table['column_name'])
         # Run reverse_sql
         cursor.execute(reverse_sql)
 
     migration.status = AsyncMigrationStatus.STATUS_FINISHED
-    migration.save()
+    migration.save(using=db_alias)
     logger.debug(
         f'Async migration {migration_name} complete'
     )
 
 
 def forwards(apps, schema_editor):
     # Dispatch migrations to rqworkers
-    start_job_async_or_sync(forward_migration, migration_name=migration_name)
+    db_alias = schema_editor.connection.alias
+    start_job_async_or_sync(forward_migration, migration_name=migration_name, db_alias=db_alias)
 
 
 def backwards(apps, schema_editor):
-    start_job_async_or_sync(reverse_migration, migration_name=migration_name)
+    db_alias = schema_editor.connection.alias
+    start_job_async_or_sync(reverse_migration, migration_name=migration_name, db_alias=db_alias)
 
 
 def get_operations():
@@ -158,4 +162,3 @@ class Migration(migrations.Migration):
     ]
 
     operations = get_operations()
-

label_studio/ml_models/migrations/0011_thirdpartymodelversion_model_provider_connection.py

@@ -8,20 +8,25 @@
 from ml_model_providers.models import ModelProviderConnection, ModelProviders
 
 
-def _fill_model_version_model_provider_connection():
+def _fill_model_version_model_provider_connection(db_alias: str):
     for provider in [ModelProviders.OPENAI, ModelProviders.AZURE_OPENAI]:
-        this_provider_model_versions = ThirdPartyModelVersion.objects.filter(provider=provider).values('id', 'organization_id', 'provider_model_id')
+        this_provider_model_versions = (
+            ThirdPartyModelVersion.objects.using(db_alias)
+            .filter(provider=provider)
+            .values('id', 'organization_id', 'provider_model_id')
+        )
         for provider_model_version in this_provider_model_versions:
-            connection_ids = ModelProviderConnection.objects.filter(
+            connection_ids = ModelProviderConnection.objects.using(db_alias).filter(
                 organization_id=provider_model_version['organization_id'],
                 provider=provider,
                 **({'deployment_name': provider_model_version['provider_model_id']} if provider == ModelProviders.AZURE_OPENAI else {}),
             ).values_list('id', flat=True)[:1]
             connection_id = connection_ids[0] if connection_ids else None
-            ThirdPartyModelVersion.objects.filter(id=provider_model_version['id']).update(model_provider_connection_id=connection_id)
+            ThirdPartyModelVersion.objects.using(db_alias).filter(id=provider_model_version['id']).update(model_provider_connection_id=connection_id)
 
 def forwards(apps, schema_editor):
-    start_job_async_or_sync(_fill_model_version_model_provider_connection)
+    db_alias = schema_editor.connection.alias
+    start_job_async_or_sync(_fill_model_version_model_provider_connection, db_alias=db_alias)
 
 
 def backwards(apps, schema_editor):

label_studio/organizations/migrations/0001_squashed_0008_auto_20201005_1552.py

@@ -9,8 +9,9 @@
 
 
 def rename_disabled_to_off0006(apps, schema_editor):
+    db_alias = schema_editor.connection.alias
     OrganizationMember = apps.get_model('organizations', 'OrganizationMember')
-    OrganizationMember.objects.filter(role="Disabled").update(role="Off")
+    OrganizationMember.objects.using(db_alias).filter(role="Disabled").update(role="Off")
 
     migrations.AlterField(
         model_name='organizationmember',
@@ -23,8 +24,9 @@ def rename_disabled_to_off0006(apps, schema_editor):
 
 
 def rename_disabled_to_off0007(apps, schema_editor):
+    db_alias = schema_editor.connection.alias
     OrganizationMember = apps.get_model('organizations', 'OrganizationMember')
-    OrganizationMember.objects.filter(role="Off").update(role="Deactivated")
+    OrganizationMember.objects.using(db_alias).filter(role="Off").update(role="Deactivated")
 
     migrations.AlterField(
         model_name='organizationmember',

label_studio/projects/migrations/0026_auto_20231103_0020.py

@@ -10,30 +10,31 @@
 logger = logging.getLogger(__name__)
 
 
-def _fill_label_config_hash(migration_name):
-    project_tuples = Project.objects.all().values_list('id', 'parsed_label_config')
+def _fill_label_config_hash(migration_name, db_alias):
+    project_tuples = Project.objects.using(db_alias).all().values_list('id', 'parsed_label_config')
     for project_id, parsed_label_config in project_tuples:
-        migration = AsyncMigrationStatus.objects.create(
+        migration = AsyncMigrationStatus.objects.using(db_alias).create(
             project_id=project_id,
             name=migration_name,
             status=AsyncMigrationStatus.STATUS_STARTED,
         )
 
         hashed_label_config = hash(str(parsed_label_config))
-        Project.objects.filter(id=project_id).update(label_config_hash=hashed_label_config)
+        Project.objects.using(db_alias).filter(id=project_id).update(label_config_hash=hashed_label_config)
 
         migration.status = AsyncMigrationStatus.STATUS_FINISHED
-        migration.save()
+        migration.save(using=db_alias)
 
 
-def fill_label_config_hash(migration_name):
+def fill_label_config_hash(migration_name, db_alias):
     logger.info('Start filling label config hash')
-    start_job_async_or_sync(_fill_label_config_hash, migration_name=migration_name)
+    start_job_async_or_sync(_fill_label_config_hash, migration_name=migration_name, db_alias=db_alias)
     logger.info('Finished filling label config hash')
 
 
 def forward(apps, schema_editor):
-    fill_label_config_hash('0026_auto_20231103_0020')
+    db_alias = schema_editor.connection.alias
+    fill_label_config_hash('0026_auto_20231103_0020', db_alias)
 
 
 def backwards(apps, schema_editor):

label_studio/projects/migrations/0030_project_search_vector_index.py

@@ -1,4 +1,4 @@
-from django.db import migrations, connection
+from django.db import migrations, connections
 from django.conf import settings
 from core.redis import start_job_async_or_sync
 from core.models import AsyncMigrationStatus
@@ -8,8 +8,8 @@
 migration_name = '0030_project_search_vector_index'
 
 # Actual DDL to run
-def forward_migration(migration_name):
-    migration = AsyncMigrationStatus.objects.create(
+def forward_migration(migration_name, db_alias):
+    migration = AsyncMigrationStatus.objects.using(db_alias).create(
         name=migration_name,
         status=AsyncMigrationStatus.STATUS_STARTED,
     )
@@ -21,16 +21,16 @@ def forward_migration(migration_name):
     CREATE INDEX CONCURRENTLY IF NOT EXISTS project_search_vector_idx ON project USING GIN (search_vector);
     '''
 
-    with connection.cursor() as cursor:
+    with connections[db_alias].cursor() as cursor:
         cursor.execute(sql)
 
     migration.status = AsyncMigrationStatus.STATUS_FINISHED
-    migration.save()
+    migration.save(using=db_alias)
     logger.debug(f'Async migration {migration_name} complete')
 
 # Reverse DDL
-def reverse_migration(migration_name):
-    migration = AsyncMigrationStatus.objects.create(
+def reverse_migration(migration_name, db_alias):
+    migration = AsyncMigrationStatus.objects.using(db_alias).create(
         name=migration_name,
         status=AsyncMigrationStatus.STATUS_STARTED,
     )
@@ -39,23 +39,27 @@ def reverse_migration(migration_name):
     # Drop index (handle database differences)
     sql = 'DROP INDEX CONCURRENTLY IF EXISTS "project_search_vector_idx";'
 
-    with connection.cursor() as cursor:
+    with connections[db_alias].cursor() as cursor:
         cursor.execute(sql)
 
     migration.status = AsyncMigrationStatus.STATUS_FINISHED
-    migration.save()
+    migration.save(using=db_alias)
     logger.debug(f'Async migration rollback {migration_name} complete')
 
 # Hook into Django migration
 def forwards(apps, schema_editor):
-    if connection.vendor == 'postgresql':
-        start_job_async_or_sync(forward_migration, migration_name=migration_name)
+    db_alias = schema_editor.connection.alias
+    conn = connections[db_alias]
+    if conn.vendor == 'postgresql':
+        start_job_async_or_sync(forward_migration, migration_name=migration_name, db_alias=db_alias)
     else:
         logger.debug(f'No index to create if is sqllite')
 
 def backwards(apps, schema_editor):
-    if connection.vendor == 'postgresql':
-        start_job_async_or_sync(reverse_migration, migration_name=migration_name) 
+    db_alias = schema_editor.connection.alias
+    conn = connections[db_alias]
+    if conn.vendor == 'postgresql':
+        start_job_async_or_sync(reverse_migration, migration_name=migration_name, db_alias=db_alias) 
     else:
         logger.debug(f'No index to drop if is sqllite')
 
@@ -66,4 +70,4 @@ class Migration(migrations.Migration):
     ]
     operations = [
         migrations.RunPython(forwards, backwards),
-    ]
+    ]