38 lines
1.2 KiB
Python
38 lines
1.2 KiB
Python
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"""Which volumes are backed up, and which containers must stop for it."""
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from __future__ import annotations
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from .docker import get_image_info, is_swarm_task
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def is_image_ignored(container: str, images_no_backup_required: list[str]) -> bool:
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if not images_no_backup_required:
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return False
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img = get_image_info(container)
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return img in images_no_backup_required
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def volume_is_fully_ignored(
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containers: list[str], images_no_backup_required: list[str]
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) -> bool:
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"""
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Skip file backup only if all containers linked to the volume are ignored.
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"""
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if not containers:
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return False
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return all(is_image_ignored(c, images_no_backup_required) for c in containers)
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def requires_stop(containers: list[str], images_no_stop_required: list[str]) -> bool:
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"""
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Stop is required if ANY stoppable container image is NOT in the exact
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image whitelist. Swarm task containers never count: baudolo must
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not cycle them (see docker.is_swarm_task).
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"""
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for c in containers:
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if is_swarm_task(c):
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continue
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img = get_image_info(c)
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if img not in images_no_stop_required:
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return True
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return False
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