mirror of
https://github.com/lnbits/lnbits-legend.git
synced 2025-02-25 15:10:41 +01:00
107 lines
3.7 KiB
Python
107 lines
3.7 KiB
Python
import importlib
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import re
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from typing import Any
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from uuid import UUID
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from loguru import logger
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from lnbits.core import migrations as core_migrations
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from lnbits.core.crud import (
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get_dbversions,
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get_installed_extensions,
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update_migration_version,
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)
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from lnbits.core.db import db as core_db
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from lnbits.core.extensions.models import (
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Extension,
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)
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from lnbits.db import COCKROACH, POSTGRES, SQLITE, Connection
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from lnbits.settings import settings
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async def migrate_extension_database(ext: Extension, current_version):
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try:
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ext_migrations = importlib.import_module(f"{ext.module_name}.migrations")
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ext_db = importlib.import_module(ext.module_name).db
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except ImportError as exc:
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logger.error(exc)
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raise ImportError(
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f"Please make sure that the extension `{ext.code}` has a migrations file."
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) from exc
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async with ext_db.connect() as ext_conn:
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await run_migration(ext_conn, ext_migrations, ext.code, current_version)
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async def run_migration(
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db: Connection, migrations_module: Any, db_name: str, current_version: int
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):
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matcher = re.compile(r"^m(\d\d\d)_")
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for key, migrate in migrations_module.__dict__.items():
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match = matcher.match(key)
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if match:
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version = int(match.group(1))
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if version > current_version:
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logger.debug(f"running migration {db_name}.{version}")
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print(f"running migration {db_name}.{version}")
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await migrate(db)
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if db.schema is None:
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await update_migration_version(db, db_name, version)
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else:
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async with core_db.connect() as conn:
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await update_migration_version(conn, db_name, version)
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def to_valid_user_id(user_id: str) -> UUID:
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if len(user_id) < 32:
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raise ValueError("User ID must have at least 128 bits")
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try:
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int(user_id, 16)
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except Exception as exc:
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raise ValueError("Invalid hex string for User ID.") from exc
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return UUID(hex=user_id[:32], version=4)
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async def load_disabled_extension_list() -> None:
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"""Update list of extensions that have been explicitly disabled"""
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inactive_extensions = await get_installed_extensions(active=False)
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settings.lnbits_deactivated_extensions.update([e.id for e in inactive_extensions])
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async def migrate_databases():
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"""Creates the necessary databases if they don't exist already; or migrates them."""
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async with core_db.connect() as conn:
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exists = False
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if conn.type == SQLITE:
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exists = await conn.fetchone(
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"SELECT * FROM sqlite_master WHERE type='table' AND name='dbversions'"
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)
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elif conn.type in {POSTGRES, COCKROACH}:
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exists = await conn.fetchone(
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"SELECT * FROM information_schema.tables WHERE table_schema = 'public'"
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" AND table_name = 'dbversions'"
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)
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if not exists:
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await core_migrations.m000_create_migrations_table(conn)
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current_versions = await get_dbversions(conn)
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core_version = current_versions.get("core", 0)
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await run_migration(conn, core_migrations, "core", core_version)
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# here is the first place we can be sure that the
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# `installed_extensions` table has been created
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await load_disabled_extension_list()
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# todo: revisit, use installed extensions
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for ext in Extension.get_valid_extensions(False):
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current_version = current_versions.get(ext.code, 0)
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try:
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await migrate_extension_database(ext, current_version)
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except Exception as e:
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logger.exception(f"Error migrating extension {ext.code}: {e}")
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logger.info("✔️ All migrations done.")
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