mirror of
https://github.com/hyperknot/openfreemap.git
synced 2026-05-21 14:02:15 +00:00
86 lines
2.1 KiB
Python
Executable File
86 lines
2.1 KiB
Python
Executable File
#!/usr/bin/env python3
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import datetime
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import os
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import subprocess
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import sys
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from pathlib import Path
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import click
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@click.command()
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def cli():
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"""
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Mounts/unmounts the btrfs images from /data/ofm/http_host/runs automatically.
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When finished, /mnt/ofm dir will have all the present tiles.btrfs files mounted in a read-only way.
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"""
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print(datetime.datetime.now(tz=datetime.timezone.utc))
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if not Path('/etc/fstab').exists():
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sys.exit('Needs to be run on Linux')
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if os.geteuid() != 0:
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sys.exit('Needs sudo')
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if not Path('/data/ofm/http_host/runs').exists():
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sys.exit('download_tiles.py needs to be run first')
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clean_up_mounts()
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fstab_new = []
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for area in ['planet', 'monaco']:
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area_dir = (Path('/data/ofm/http_host/runs') / area).resolve()
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if not area_dir.exists():
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continue
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versions = sorted(area_dir.iterdir())
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for version in versions:
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version_str = version.name
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btrfs_file = area_dir / version_str / 'tiles.btrfs'
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if not btrfs_file.is_file():
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continue
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mnt_folder = Path('/mnt/ofm') / f'{area}-{version_str}'
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mnt_folder.mkdir(exist_ok=True, parents=True)
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fstab_new.append(f'{btrfs_file} {mnt_folder} btrfs loop,ro 0 0\n')
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print(f'Created fstab entry for {btrfs_file} -> {mnt_folder}')
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with open('/etc/fstab') as fp:
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fstab_orig = [l for l in fp.readlines() if '/mnt/ofm/' not in l]
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with open('/etc/fstab', 'w') as fp:
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fp.writelines(fstab_orig + fstab_new)
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print('Running mount -a')
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subprocess.run(['mount', '-a'], check=True)
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clean_up_mounts()
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print('DONE')
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print('\n\n\n')
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def clean_up_mounts():
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mnt_dir = Path('/mnt/ofm')
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if not mnt_dir.exists():
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return
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print('Cleaning up mounts')
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with open('/etc/fstab') as fp:
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fstab_str = fp.read()
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for subdir in mnt_dir.iterdir():
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if f'{subdir} ' in fstab_str:
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continue
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subprocess.run(['umount', subdir])
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subdir.rmdir()
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if __name__ == '__main__':
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cli()
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