Added alembic configuration

.github/workflows/ci.yml

@@ -43,7 +43,7 @@ jobs:
     needs: lint
     services:
       postgres:
-        image: postgres:16
+        image: postgres:17-alpine
         env:
           POSTGRES_DB: keywarden
           POSTGRES_USER: postgres

alembic.ini

@@ -0,0 +1,39 @@
+[alembic]
+# Path to migration scripts
+script_location = alembic
+
+# Set to 'true' to auto-generate migrations with naming convention support
+timezone = UTC
+
+[loggers]
+keys = root,sqlalchemy,alembic
+
+[handlers]
+keys = console
+
+[formatters]
+keys = generic
+
+[logger_root]
+level = WARN
+handlers = console
+qualname =
+
+[logger_sqlalchemy]
+level = WARN
+handlers =
+qualname = sqlalchemy.engine
+
+[logger_alembic]
+level = INFO
+handlers =
+qualname = alembic
+
+[handler_console]
+class = StreamHandler
+args = (sys.stderr,)
+level = NOTSET
+formatter = generic
+
+[formatter_generic]
+format = %(levelname)-5.5s [%(name)s] %(message)s

alembic/env.py

@@ -0,0 +1,64 @@
+import asyncio
+from logging.config import fileConfig
+
+from sqlalchemy import pool
+from sqlalchemy.ext.asyncio import AsyncEngine, create_async_engine
+
+from alembic import context
+
+# Import your app's config & models
+from app.core.config import settings
+from app.db.base import Base  # imports all models via app/models/__init__.py
+
+# Alembic Config object
+config = context.config
+
+# Set up Python logging from alembic.ini
+if config.config_file_name is not None:
+    fileConfig(config.config_file_name)
+
+# Target metadata (for autogenerate)
+target_metadata = Base.metadata
+
+# DSN from your app config (e.g. postgresql+asyncpg://…)
+DB_URL = settings.POSTGRES_DSN
+
+
+def run_migrations_offline():
+    """Run migrations in 'offline' mode."""
+    url = DB_URL
+    context.configure(
+        url=url,
+        target_metadata=target_metadata,
+        literal_binds=True,
+        dialect_opts={"paramstyle": "named"},
+    )
+
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+def do_run_migrations(connection):
+    context.configure(connection=connection, target_metadata=target_metadata)
+
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+async def run_migrations_online():
+    """Run migrations in 'online' mode with async engine."""
+    connectable: AsyncEngine = create_async_engine(
+        DB_URL,
+        poolclass=pool.NullPool,
+    )
+
+    async with connectable.connect() as connection:
+        await connection.run_sync(do_run_migrations)
+
+    await connectable.dispose()
+
+
+if context.is_offline_mode():
+    run_migrations_offline()
+else:
+    asyncio.run(run_migrations_online())

app/db/base.py

@@ -3,3 +3,6 @@ from app.models.server import Server
 from app.models.sshkey import SSHKey
 from app.models.access_request import AccessRequest
 from app.models.audit import AuditEvent
+
+from sqlalchemy.orm import declarative_base
+Base = declarative_base()