From 0f45bd1dbb6cb090566f8f7332d5b44fa417f14b Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marek=20Such=C3=A1nek?= Date: Fri, 6 Jul 2018 09:36:17 +0200 Subject: [PATCH] Setup DB migrations (#25) * Migration init * Initial DB migration --- migrations/README | 1 + migrations/alembic.ini | 45 +++++++++ migrations/env.py | 87 ++++++++++++++++ migrations/script.py.mako | 24 +++++ migrations/versions/dc286086230c_.py | 145 +++++++++++++++++++++++++++ 5 files changed, 302 insertions(+) create mode 100644 migrations/README create mode 100644 migrations/alembic.ini create mode 100644 migrations/env.py create mode 100644 migrations/script.py.mako create mode 100644 migrations/versions/dc286086230c_.py diff --git a/migrations/README b/migrations/README new file mode 100644 index 0000000..98e4f9c --- /dev/null +++ b/migrations/README @@ -0,0 +1 @@ +Generic single-database configuration. \ No newline at end of file diff --git a/migrations/alembic.ini b/migrations/alembic.ini new file mode 100644 index 0000000..f8ed480 --- /dev/null +++ b/migrations/alembic.ini @@ -0,0 +1,45 @@ +# A generic, single database configuration. + +[alembic] +# template used to generate migration files +# file_template = %%(rev)s_%%(slug)s + +# set to 'true' to run the environment during +# the 'revision' command, regardless of autogenerate +# revision_environment = false + + +# Logging configuration +[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 +datefmt = %H:%M:%S diff --git a/migrations/env.py b/migrations/env.py new file mode 100644 index 0000000..23663ff --- /dev/null +++ b/migrations/env.py @@ -0,0 +1,87 @@ +from __future__ import with_statement +from alembic import context +from sqlalchemy import engine_from_config, pool +from logging.config import fileConfig +import logging + +# this is the Alembic Config object, which provides +# access to the values within the .ini file in use. +config = context.config + +# Interpret the config file for Python logging. +# This line sets up loggers basically. +fileConfig(config.config_file_name) +logger = logging.getLogger('alembic.env') + +# add your model's MetaData object here +# for 'autogenerate' support +# from myapp import mymodel +# target_metadata = mymodel.Base.metadata +from flask import current_app +config.set_main_option('sqlalchemy.url', + current_app.config.get('SQLALCHEMY_DATABASE_URI')) +target_metadata = current_app.extensions['migrate'].db.metadata + +# other values from the config, defined by the needs of env.py, +# can be acquired: +# my_important_option = config.get_main_option("my_important_option") +# ... etc. + + +def run_migrations_offline(): + """Run migrations in 'offline' mode. + + This configures the context with just a URL + and not an Engine, though an Engine is acceptable + here as well. By skipping the Engine creation + we don't even need a DBAPI to be available. + + Calls to context.execute() here emit the given string to the + script output. + + """ + url = config.get_main_option("sqlalchemy.url") + context.configure(url=url) + + with context.begin_transaction(): + context.run_migrations() + + +def run_migrations_online(): + """Run migrations in 'online' mode. + + In this scenario we need to create an Engine + and associate a connection with the context. + + """ + + # this callback is used to prevent an auto-migration from being generated + # when there are no changes to the schema + # reference: http://alembic.zzzcomputing.com/en/latest/cookbook.html + def process_revision_directives(context, revision, directives): + if getattr(config.cmd_opts, 'autogenerate', False): + script = directives[0] + if script.upgrade_ops.is_empty(): + directives[:] = [] + logger.info('No changes in schema detected.') + + engine = engine_from_config(config.get_section(config.config_ini_section), + prefix='sqlalchemy.', + poolclass=pool.NullPool) + + connection = engine.connect() + context.configure(connection=connection, + target_metadata=target_metadata, + process_revision_directives=process_revision_directives, + **current_app.extensions['migrate'].configure_args) + + try: + with context.begin_transaction(): + context.run_migrations() + finally: + connection.close() + +if context.is_offline_mode(): + run_migrations_offline() +else: + run_migrations_online() diff --git a/migrations/script.py.mako b/migrations/script.py.mako new file mode 100644 index 0000000..2c01563 --- /dev/null +++ b/migrations/script.py.mako @@ -0,0 +1,24 @@ +"""${message} + +Revision ID: ${up_revision} +Revises: ${down_revision | comma,n} +Create Date: ${create_date} + +""" +from alembic import op +import sqlalchemy as sa +${imports if imports else ""} + +# revision identifiers, used by Alembic. +revision = ${repr(up_revision)} +down_revision = ${repr(down_revision)} +branch_labels = ${repr(branch_labels)} +depends_on = ${repr(depends_on)} + + +def upgrade(): + ${upgrades if upgrades else "pass"} + + +def downgrade(): + ${downgrades if downgrades else "pass"} diff --git a/migrations/versions/dc286086230c_.py b/migrations/versions/dc286086230c_.py new file mode 100644 index 0000000..02f1ba3 --- /dev/null +++ b/migrations/versions/dc286086230c_.py @@ -0,0 +1,145 @@ +"""empty message + +Revision ID: dc286086230c +Revises: +Create Date: 2018-07-06 09:34:52.932029 + +""" +from alembic import op +import sqlalchemy as sa + + +# revision identifiers, used by Alembic. +revision = 'dc286086230c' +down_revision = None +branch_labels = None +depends_on = None + + +def upgrade(): + # ### commands auto generated by Alembic - please adjust! ### + op.create_table('Role', + sa.Column('id', sa.Integer(), nullable=False), + sa.Column('name', sa.String(length=80), nullable=True), + sa.Column('description', sa.UnicodeText(), nullable=True), + sa.PrimaryKeyConstraint('id'), + sa.UniqueConstraint('name') + ) + op.create_table('UserAccount', + sa.Column('id', sa.Integer(), nullable=False), + sa.Column('created_at', sa.DateTime(), nullable=True), + sa.Column('active', sa.Boolean(), nullable=True), + sa.PrimaryKeyConstraint('id') + ) + op.create_table('RepositoryOwner', + sa.Column('id', sa.Integer(), nullable=False), + sa.Column('github_id', sa.Integer(), nullable=True), + sa.Column('login', sa.String(length=40), nullable=True), + sa.Column('email', sa.String(length=255), nullable=True), + sa.Column('name', sa.UnicodeText(), nullable=True), + sa.Column('company', sa.UnicodeText(), nullable=True), + sa.Column('description', sa.UnicodeText(), nullable=True), + sa.Column('location', sa.UnicodeText(), nullable=True), + sa.Column('blog_url', sa.UnicodeText(), nullable=True), + sa.Column('avatar_url', sa.String(length=255), nullable=True), + sa.Column('type', sa.String(length=30), nullable=True), + sa.Column('hireable', sa.Boolean(), nullable=True), + sa.Column('user_account_id', sa.Integer(), nullable=True), + sa.ForeignKeyConstraint(['user_account_id'], ['UserAccount.id'], ), + sa.PrimaryKeyConstraint('id'), + sa.UniqueConstraint('github_id'), + sa.UniqueConstraint('login') + ) + op.create_table('RolesAccounts', + sa.Column('account_id', sa.Integer(), nullable=True), + sa.Column('role_id', sa.Integer(), nullable=True), + sa.ForeignKeyConstraint(['account_id'], ['UserAccount.id'], ), + sa.ForeignKeyConstraint(['role_id'], ['Role.id'], ) + ) + op.create_table('Repository', + sa.Column('id', sa.Integer(), nullable=False), + sa.Column('github_id', sa.Integer(), nullable=True), + sa.Column('fork_of', sa.Integer(), nullable=True), + sa.Column('full_name', sa.String(length=150), nullable=True), + sa.Column('name', sa.String(length=100), nullable=True), + sa.Column('languages', sa.UnicodeText(), nullable=True), + sa.Column('url', sa.UnicodeText(), nullable=True), + sa.Column('description', sa.UnicodeText(), nullable=True), + sa.Column('private', sa.Boolean(), nullable=True), + sa.Column('visibility_type', sa.Integer(), nullable=True), + sa.Column('secret', sa.String(length=255), nullable=True), + sa.Column('webhook_id', sa.Integer(), nullable=True), + sa.Column('last_event', sa.DateTime(), nullable=True), + sa.Column('owner_id', sa.Integer(), nullable=True), + sa.ForeignKeyConstraint(['owner_id'], ['RepositoryOwner.id'], ), + sa.PrimaryKeyConstraint('id'), + sa.UniqueConstraint('full_name'), + sa.UniqueConstraint('github_id'), + sa.UniqueConstraint('secret') + ) + op.create_table('Push', + sa.Column('id', sa.Integer(), nullable=False), + sa.Column('github_id', sa.Integer(), nullable=True), + sa.Column('ref', sa.String(length=255), nullable=True), + sa.Column('after', sa.String(length=255), nullable=True), + sa.Column('before', sa.String(length=255), nullable=True), + sa.Column('size', sa.Integer(), nullable=True), + sa.Column('distinct_size', sa.Integer(), nullable=True), + sa.Column('timestamp', sa.DateTime(), nullable=True), + sa.Column('sender_login', sa.String(length=40), nullable=True), + sa.Column('sender_id', sa.Integer(), nullable=True), + sa.Column('repository_id', sa.Integer(), nullable=True), + sa.ForeignKeyConstraint(['repository_id'], ['Repository.id'], ), + sa.PrimaryKeyConstraint('id') + ) + op.create_table('Release', + sa.Column('id', sa.Integer(), nullable=False), + sa.Column('github_id', sa.Integer(), nullable=True), + sa.Column('tag_name', sa.String(length=255), nullable=True), + sa.Column('created_at', sa.String(length=60), nullable=True), + sa.Column('published_at', sa.String(length=60), nullable=True), + sa.Column('url', sa.UnicodeText(), nullable=True), + sa.Column('prerelease', sa.Boolean(), nullable=True), + sa.Column('draft', sa.Boolean(), nullable=True), + sa.Column('name', sa.UnicodeText(), nullable=True), + sa.Column('body', sa.UnicodeText(), nullable=True), + sa.Column('author_login', sa.String(length=40), nullable=True), + sa.Column('author_id', sa.Integer(), nullable=True), + sa.Column('sender_login', sa.String(length=40), nullable=True), + sa.Column('sender_id', sa.Integer(), nullable=True), + sa.Column('repository_id', sa.Integer(), nullable=True), + sa.ForeignKeyConstraint(['repository_id'], ['Repository.id'], ), + sa.PrimaryKeyConstraint('id') + ) + op.create_table('ReposMembers', + sa.Column('repository_id', sa.Integer(), nullable=True), + sa.Column('user_id', sa.Integer(), nullable=True), + sa.ForeignKeyConstraint(['repository_id'], ['Repository.id'], ), + sa.ForeignKeyConstraint(['user_id'], ['RepositoryOwner.id'], ) + ) + op.create_table('Commit', + sa.Column('id', sa.Integer(), nullable=False), + sa.Column('sha', sa.String(length=40), nullable=True), + sa.Column('message', sa.UnicodeText(), nullable=True), + sa.Column('author_name', sa.UnicodeText(), nullable=True), + sa.Column('author_email', sa.String(length=255), nullable=True), + sa.Column('distinct', sa.Boolean(), nullable=True), + sa.Column('push_id', sa.Integer(), nullable=True), + sa.ForeignKeyConstraint(['push_id'], ['Push.id'], ), + sa.PrimaryKeyConstraint('id') + ) + # ### end Alembic commands ### + + +def downgrade(): + # ### commands auto generated by Alembic - please adjust! ### + op.drop_table('Commit') + op.drop_table('ReposMembers') + op.drop_table('Release') + op.drop_table('Push') + op.drop_table('Repository') + op.drop_table('RolesAccounts') + op.drop_table('RepositoryOwner') + op.drop_table('UserAccount') + op.drop_table('Role') + # ### end Alembic commands ###