4892b58d10
* #39 Add Flask-Migrate dep * #39 Make it such that flask db init can run https://github.com/miguelgrinberg/Flask-Migrate/issues/196#issuecomment-381343393 * Run flask db init, update migrations.env, commit artifacts * Set up a script such that you can `docker-compose exec files bash -c 'cd /service; FLASK_APP="files/cli:app" flask '` and have it do whatever flask thing you want * Fix circular dependency * import * is evil * Initial alembic migration, has issues with constraints and nullable columns * Bring alts table up to date with alembic autogenerate * Rerun flask db revision autogenerate * Bring award_relationships table up to date with alembic autogenerate * [#39/alembic] files/classes/__init__.py is evil but is at least explicitly evil now * #39 fix model in files/classes/badges.py * #39 fix model in files/classes/domains.py and files/classes/clients.py * #39 fix models: comment saves, comment flags * #39 fix models: comments * Few more imports * #39 columns that are not nullable should be flagged as not nullable * #39 Add missing indexes to model defs * [#39] add missing unique constraints to model defs * [#39] Temporarily undo any model changes which cause the sqlalchemy model to be out of sync with the actual dump * #39 Deforeignkeyify the correct column to make alembic happy * #39 flask db revision --autogenerate now creates an empty migration * #39 Migration format such that files are listed in creation order * #39 Better first revision * #39 Revert the model changes that were required to get to zero differences between db revision --autogenerate and the existing schema * #39 The first real migration * #39 Ensure that foreign key constraints are named in migration * #39 Alembic migrations for FK constraints, column defs * [#39] Run DB migrations before starting tests * [#39] New test to ensure migrations are up to date * [#39] More descriptive test failure message * Add -T flag to docker-compose exec * [#39] Run alembic migrations when starting the container
95 lines
2.8 KiB
Python
95 lines
2.8 KiB
Python
from __future__ import with_statement
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from files.classes import *
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import logging
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from logging.config import fileConfig
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from flask import current_app
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from alembic import context
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# this is the Alembic Config object, which provides
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# access to the values within the .ini file in use.
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connection_string = current_app.config.get('DATABASE_URL')
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config = context.config
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config.set_main_option('sqlalchemy.url', connection_string)
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# Interpret the config file for Python logging.
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# This line sets up loggers basically.
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fileConfig(config.config_file_name)
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logger = logging.getLogger('alembic.env')
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# add your model's MetaData object here
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# for 'autogenerate' support
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from files.__main__ import Base
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target_metadata = Base.metadata
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config.set_main_option(
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'sqlalchemy.url',
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str(current_app.extensions['migrate'].db.get_engine().url).replace(
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'%', '%%'))
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# other values from the config, defined by the needs of env.py,
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# can be acquired:
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# my_important_option = config.get_main_option("my_important_option")
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# ... etc.
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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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url = config.get_main_option("sqlalchemy.url")
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context.configure(
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url=url, target_metadata=target_metadata, literal_binds=True
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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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# this callback is used to prevent an auto-migration from being generated
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# when there are no changes to the schema
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# reference: http://alembic.zzzcomputing.com/en/latest/cookbook.html
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def process_revision_directives(context, revision, directives):
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if getattr(config.cmd_opts, 'autogenerate', False):
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script = directives[0]
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if script.upgrade_ops.is_empty():
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directives[:] = []
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logger.info('No changes in schema detected.')
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connectable = current_app.extensions['migrate'].db.get_engine()
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with connectable.connect() as connection:
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context.configure(
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connection=connection,
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target_metadata=target_metadata,
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process_revision_directives=process_revision_directives,
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**current_app.extensions['migrate'].configure_args
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)
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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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