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30 lines
1.1 KiB
Python
30 lines
1.1 KiB
Python
"""Backup platform for the Recorder integration."""
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from logging import getLogger
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from homeassistant.core import CoreState, HomeAssistant
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from homeassistant.exceptions import HomeAssistantError
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from .util import async_migration_in_progress, get_instance
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_LOGGER = getLogger(__name__)
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async def async_pre_backup(hass: HomeAssistant) -> None:
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"""Perform operations before a backup starts."""
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_LOGGER.info("Backup start notification, locking database for writes")
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instance = get_instance(hass)
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if hass.state is not CoreState.running:
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raise HomeAssistantError("Home Assistant is not running")
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if async_migration_in_progress(hass):
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raise HomeAssistantError("Database migration in progress")
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await instance.lock_database()
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async def async_post_backup(hass: HomeAssistant) -> None:
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"""Perform operations after a backup finishes."""
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instance = get_instance(hass)
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_LOGGER.info("Backup end notification, releasing write lock")
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if not instance.unlock_database():
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raise HomeAssistantError("Could not release database write lock")
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