82 lines
2.3 KiB
Python
82 lines
2.3 KiB
Python
# Copyright 2021 99cloud
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from logging import StreamHandler, basicConfig
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from alembic import context
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from databases import DatabaseURL
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from skyline_log import setup as log_setup
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from sqlalchemy import create_engine, pool
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from skyline_apiserver.config import CONF, configure
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from skyline_apiserver.db.models import METADATA
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configure("skyline-apiserver")
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basicConfig()
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log_setup(StreamHandler())
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config = context.config
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config.set_main_option("sqlalchemy.url", CONF.default.database_url)
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db_url = DatabaseURL(CONF.default.database_url)
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if db_url.scheme == "mysql":
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db_url = db_url.replace(dialect="mysql+pymysql")
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target_metadata = METADATA
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def run_migrations_offline():
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"""Run migrations in 'offline' mode.
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This configures the context with just a URL
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and not an Engine, though an Engine is acceptable
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here as well. By skipping the Engine creation
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we don't even need a DBAPI to be available.
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Calls to context.execute() here emit the given string to the
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script output.
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"""
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context.configure(
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url=str(db_url),
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target_metadata=target_metadata,
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literal_binds=True,
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dialect_opts={"paramstyle": "named"},
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)
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with context.begin_transaction():
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context.run_migrations()
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def run_migrations_online():
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"""Run migrations in 'online' mode.
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In this scenario we need to create an Engine
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and associate a connection with the context.
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"""
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engine = create_engine(str(db_url), poolclass=pool.NullPool)
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with engine.connect() as connection:
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context.configure(connection=connection, target_metadata=target_metadata)
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with context.begin_transaction():
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context.run_migrations()
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if context.is_offline_mode():
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run_migrations_offline()
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else:
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run_migrations_online()
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