Alembic Baseline
This commit is contained in:
parent
d979374cbc
commit
aaf5fd893d
8 changed files with 502 additions and 3 deletions
1
migrations/README
Normal file
1
migrations/README
Normal file
|
|
@ -0,0 +1 @@
|
|||
Generic single-database configuration.
|
||||
104
migrations/env.py
Normal file
104
migrations/env.py
Normal file
|
|
@ -0,0 +1,104 @@
|
|||
|
||||
# migrations/env.py
|
||||
from __future__ import annotations
|
||||
|
||||
import asyncio
|
||||
import os
|
||||
import sys
|
||||
from logging.config import fileConfig
|
||||
|
||||
from alembic import context
|
||||
from sqlalchemy import pool
|
||||
from sqlalchemy.engine import Connection
|
||||
from sqlalchemy.ext.asyncio import AsyncEngine, create_async_engine
|
||||
|
||||
# ----------------------------------------------------------------------
|
||||
# Alembic Grund-Setup (Logging etc.)
|
||||
# ----------------------------------------------------------------------
|
||||
config = context.config
|
||||
if config.config_file_name is not None:
|
||||
fileConfig(config.config_file_name)
|
||||
|
||||
# ----------------------------------------------------------------------
|
||||
# Projekt-Root auf sys.path, damit "from app ..." klappt
|
||||
# ----------------------------------------------------------------------
|
||||
ROOT = os.path.abspath(os.path.join(os.path.dirname(__file__), "..", ".."))
|
||||
if ROOT not in sys.path:
|
||||
sys.path.insert(0, ROOT)
|
||||
|
||||
# ----------------------------------------------------------------------
|
||||
# ORM-Base & Modelle importieren (wichtig: Modelle registrieren Tabellen)
|
||||
# ----------------------------------------------------------------------
|
||||
from app.db import Base
|
||||
from app import models # noqa: F401
|
||||
|
||||
target_metadata = Base.metadata
|
||||
|
||||
# ----------------------------------------------------------------------
|
||||
# Async-DB-URL (z. B. postgresql+asyncpg://...)
|
||||
# ----------------------------------------------------------------------
|
||||
DATABASE_URL = os.getenv("DATABASE_URL")
|
||||
if not DATABASE_URL:
|
||||
raise RuntimeError(
|
||||
"DATABASE_URL ist nicht gesetzt (z. B. postgresql+asyncpg://user:pass@host:5432/db)"
|
||||
)
|
||||
|
||||
# ----------------------------------------------------------------------
|
||||
# (Optional) Leere Autogenerate-Revisionen unterdrücken
|
||||
# ----------------------------------------------------------------------
|
||||
def process_revision_directives(context, revision, directives):
|
||||
cmd_opts = getattr(config, "cmd_opts", None)
|
||||
if cmd_opts and getattr(cmd_opts, "autogenerate", False):
|
||||
script = directives[0]
|
||||
if hasattr(script, "upgrade_ops") and script.upgrade_ops.is_empty():
|
||||
directives[:] = [] # keine 'pass'-Revision erzeugen
|
||||
|
||||
# ----------------------------------------------------------------------
|
||||
# Offline-Pfad (bewusst deaktiviert, damit Autogenerate immer online läuft)
|
||||
# ----------------------------------------------------------------------
|
||||
def run_migrations_offline() -> None:
|
||||
raise RuntimeError("Offline-Modus deaktiviert – bitte Online-Modus verwenden.")
|
||||
|
||||
# ----------------------------------------------------------------------
|
||||
# Online-Pfad (AsyncEngine + run_sync)
|
||||
# ----------------------------------------------------------------------
|
||||
async def run_migrations_online() -> None:
|
||||
connectable: AsyncEngine = create_async_engine(
|
||||
DATABASE_URL,
|
||||
poolclass=pool.NullPool,
|
||||
future=True,
|
||||
)
|
||||
|
||||
async with connectable.connect() as async_conn:
|
||||
|
||||
def do_run_migrations(connection: Connection) -> None:
|
||||
# WICHTIG: connection + target_metadata -> nötige Voraussetzung
|
||||
# damit Alembic den DB-Ist gegen ORM-Soll vergleicht (Autogenerate)
|
||||
context.configure(
|
||||
connection=connection,
|
||||
target_metadata=target_metadata,
|
||||
compare_type=True,
|
||||
compare_server_default=True,
|
||||
include_schemas=True,
|
||||
process_revision_directives=process_revision_directives,
|
||||
)
|
||||
with context.begin_transaction():
|
||||
context.run_migrations()
|
||||
|
||||
# run_sync ruft do_run_migrations(connection) auf
|
||||
await async_conn.run_sync(do_run_migrations)
|
||||
|
||||
await connectable.dispose()
|
||||
|
||||
# ----------------------------------------------------------------------
|
||||
# WICHTIG: beim Import starten – KEIN __main__-Guard
|
||||
# ----------------------------------------------------------------------
|
||||
def run_migrations() -> None:
|
||||
if context.is_offline_mode():
|
||||
run_migrations_offline()
|
||||
else:
|
||||
asyncio.run(run_migrations_online())
|
||||
|
||||
run_migrations()
|
||||
|
||||
|
||||
28
migrations/script.py.mako
Normal file
28
migrations/script.py.mako
Normal file
|
|
@ -0,0 +1,28 @@
|
|||
"""${message}
|
||||
|
||||
Revision ID: ${up_revision}
|
||||
Revises: ${down_revision | comma,n}
|
||||
Create Date: ${create_date}
|
||||
|
||||
"""
|
||||
from typing import Sequence, Union
|
||||
|
||||
from alembic import op
|
||||
import sqlalchemy as sa
|
||||
${imports if imports else ""}
|
||||
|
||||
# revision identifiers, used by Alembic.
|
||||
revision: str = ${repr(up_revision)}
|
||||
down_revision: Union[str, Sequence[str], None] = ${repr(down_revision)}
|
||||
branch_labels: Union[str, Sequence[str], None] = ${repr(branch_labels)}
|
||||
depends_on: Union[str, Sequence[str], None] = ${repr(depends_on)}
|
||||
|
||||
|
||||
def upgrade() -> None:
|
||||
"""Upgrade schema."""
|
||||
${upgrades if upgrades else "pass"}
|
||||
|
||||
|
||||
def downgrade() -> None:
|
||||
"""Downgrade schema."""
|
||||
${downgrades if downgrades else "pass"}
|
||||
81
migrations/versions/bb8e2c8e4b8f_baseline.py
Normal file
81
migrations/versions/bb8e2c8e4b8f_baseline.py
Normal file
|
|
@ -0,0 +1,81 @@
|
|||
"""baseline
|
||||
|
||||
Revision ID: bb8e2c8e4b8f
|
||||
Revises:
|
||||
Create Date: 2025-12-11 16:51:50.423221
|
||||
|
||||
"""
|
||||
from typing import Sequence, Union
|
||||
|
||||
from alembic import op
|
||||
import sqlalchemy as sa
|
||||
|
||||
|
||||
# revision identifiers, used by Alembic.
|
||||
revision: str = 'bb8e2c8e4b8f'
|
||||
down_revision: Union[str, Sequence[str], None] = None
|
||||
branch_labels: Union[str, Sequence[str], None] = None
|
||||
depends_on: Union[str, Sequence[str], None] = None
|
||||
|
||||
|
||||
def upgrade() -> None:
|
||||
"""Upgrade schema."""
|
||||
# ### commands auto generated by Alembic - please adjust! ###
|
||||
op.create_table('jobs',
|
||||
sa.Column('id', sa.UUID(), nullable=False),
|
||||
sa.Column('job_type', sa.String(length=64), nullable=False),
|
||||
sa.Column('status', sa.Enum('PENDING', 'QUEUED', 'RUNNING', 'SUCCESS', 'FAILED', name='jobstatus'), nullable=False),
|
||||
sa.Column('domain', sa.String(length=255), nullable=False),
|
||||
sa.Column('payload', sa.JSON(), nullable=True),
|
||||
sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
|
||||
sa.Column('updated_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
|
||||
sa.PrimaryKeyConstraint('id')
|
||||
)
|
||||
op.create_index(op.f('ix_jobs_domain'), 'jobs', ['domain'], unique=False)
|
||||
op.create_index(op.f('ix_jobs_job_type'), 'jobs', ['job_type'], unique=False)
|
||||
op.create_index(op.f('ix_jobs_status'), 'jobs', ['status'], unique=False)
|
||||
op.create_table('tasks',
|
||||
sa.Column('id', sa.UUID(), nullable=False),
|
||||
sa.Column('job_id', sa.UUID(), nullable=False),
|
||||
sa.Column('name', sa.String(length=64), nullable=False),
|
||||
sa.Column('status', sa.Enum('PENDING', 'QUEUED', 'RUNNING', 'SUCCESS', 'FAILED', name='taskstatus'), nullable=False),
|
||||
sa.Column('routing_key', sa.String(length=128), nullable=False),
|
||||
sa.Column('retries', sa.Integer(), nullable=False),
|
||||
sa.Column('max_retries', sa.Integer(), nullable=False),
|
||||
sa.Column('worker_id', sa.String(length=64), nullable=True),
|
||||
sa.Column('result', sa.JSON(), nullable=True),
|
||||
sa.Column('error', sa.String(length=1024), nullable=True),
|
||||
sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
|
||||
sa.Column('started_at', sa.DateTime(timezone=True), nullable=True),
|
||||
sa.Column('finished_at', sa.DateTime(timezone=True), nullable=True),
|
||||
sa.ForeignKeyConstraint(['job_id'], ['jobs.id'], ondelete='CASCADE'),
|
||||
sa.PrimaryKeyConstraint('id')
|
||||
)
|
||||
op.create_index(op.f('ix_tasks_job_id'), 'tasks', ['job_id'], unique=False)
|
||||
op.create_index(op.f('ix_tasks_name'), 'tasks', ['name'], unique=False)
|
||||
op.create_index(op.f('ix_tasks_routing_key'), 'tasks', ['routing_key'], unique=False)
|
||||
op.create_index(op.f('ix_tasks_status'), 'tasks', ['status'], unique=False)
|
||||
op.create_table('task_dependencies',
|
||||
sa.Column('task_id', sa.UUID(), nullable=False),
|
||||
sa.Column('depends_on_task_id', sa.UUID(), nullable=False),
|
||||
sa.ForeignKeyConstraint(['depends_on_task_id'], ['tasks.id'], ondelete='CASCADE'),
|
||||
sa.ForeignKeyConstraint(['task_id'], ['tasks.id'], ondelete='CASCADE'),
|
||||
sa.PrimaryKeyConstraint('task_id', 'depends_on_task_id')
|
||||
)
|
||||
# ### end Alembic commands ###
|
||||
|
||||
|
||||
def downgrade() -> None:
|
||||
"""Downgrade schema."""
|
||||
# ### commands auto generated by Alembic - please adjust! ###
|
||||
op.drop_table('task_dependencies')
|
||||
op.drop_index(op.f('ix_tasks_status'), table_name='tasks')
|
||||
op.drop_index(op.f('ix_tasks_routing_key'), table_name='tasks')
|
||||
op.drop_index(op.f('ix_tasks_name'), table_name='tasks')
|
||||
op.drop_index(op.f('ix_tasks_job_id'), table_name='tasks')
|
||||
op.drop_table('tasks')
|
||||
op.drop_index(op.f('ix_jobs_status'), table_name='jobs')
|
||||
op.drop_index(op.f('ix_jobs_job_type'), table_name='jobs')
|
||||
op.drop_index(op.f('ix_jobs_domain'), table_name='jobs')
|
||||
op.drop_table('jobs')
|
||||
# ### end Alembic commands ###
|
||||
Loading…
Add table
Add a link
Reference in a new issue