b38dea0597
Share Gaia assets and adapters, keep private profiles and development documents local, and update both public READMEs.
64 lines
2.4 KiB
Python
64 lines
2.4 KiB
Python
#!/usr/bin/env python3
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# SPDX-License-Identifier: MPL-2.0
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"""Publish read-only hardware state. No SSIDs, IP addresses or modem identifiers."""
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import argparse
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import json
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import os
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from pathlib import Path
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import subprocess
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import time
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def battery_state(root=Path('/sys/class/power_supply/battery')):
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try:
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level = int((root/'capacity').read_text().strip())
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status = (root/'status').read_text().strip()
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if not 0 <= level <= 100 or status not in ('Charging', 'Discharging', 'Full', 'Not charging'):
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return None
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return {'level': level/100, 'charging': status in ('Charging', 'Full'), 'status': status}
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except (OSError, ValueError):
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return None
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def wifi_state():
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try:
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result = subprocess.run(['nmcli', '-g', 'GENERAL.STATE', 'device', 'show', 'wlan0'],
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capture_output=True, text=True, timeout=3,
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env={**os.environ, 'LC_ALL': 'C'})
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if result.returncode:
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return {'available': False, 'state': 'unavailable'}
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state = int(result.stdout.split()[0])
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names = {10:'unmanaged', 20:'unavailable', 30:'disconnected', 40:'connecting',
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50:'connecting', 60:'authentication', 70:'connecting', 80:'connecting',
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90:'connecting', 100:'connected', 110:'disconnecting', 120:'failed'}
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return {'available': state >= 30, 'state': names.get(state, 'unknown')}
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except (OSError, ValueError, IndexError, subprocess.TimeoutExpired):
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return {'available': False, 'state': 'unavailable'}
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def snapshot():
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# Do not D-Bus-activate NetworkManager from an otherwise display-only boot.
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wifi = wifi_state() if Path('/etc/tundra/network-enabled').is_file() else {
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'available': False, 'state': 'unavailable'}
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return {'schema': 1, 'recordedAt': time.time(), 'battery': battery_state(), 'wifi': wifi}
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def main():
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parser = argparse.ArgumentParser(description=__doc__)
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parser.add_argument('--once', action='store_true')
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args = parser.parse_args()
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if args.once:
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print(json.dumps(snapshot()))
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return
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output = Path('/run/tundra-hardware/status.json')
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output.parent.mkdir(mode=0o755, exist_ok=True)
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while True:
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temporary = output.with_suffix('.tmp')
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temporary.write_text(json.dumps(snapshot())+'\n')
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temporary.chmod(0o644)
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temporary.replace(output)
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time.sleep(5)
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if __name__ == '__main__':
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main()
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