rick/LEDMatrix
1
0
Fork 0
mirror of https://github.com/ChuckBuilds/LEDMatrix.git synced 2026-04-10 13:02:59 +00:00
Code Issues Packages Projects Releases Wiki Activity

web autostart troubleshooting

Browse Source
This commit is contained in:
Chuck
2025-08-13 14:45:56 -05:00
parent 9d4082665a
commit 06d8360922
1 changed files with 16 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
web_interface_v2.py
View File

@@ -1054,13 +1054,20 @@ def run_action_route():
@app.route('/get_logs', methods=['GET'])
def get_logs():
try:
# Get logs from journalctl for the ledmatrix service
result = subprocess.run(
['journalctl', '-u', 'ledmatrix.service', '-n', '500', '--no-pager'],
capture_output=True, text=True, check=False
)
if result.returncode == 0:
return jsonify({'status': 'success', 'logs': result.stdout})
# Prefer journalctl logs for ledmatrix; apply a timeout to avoid UI hangs
journal_cmd = ['journalctl', '-u', 'ledmatrix.service', '-n', '500', '--no-pager', '--output=cat']
try:
result = subprocess.run(journal_cmd, capture_output=True, text=True, check=False, timeout=5)
if result.returncode == 0:
return jsonify({'status': 'success', 'logs': result.stdout})
# Try sudo fallback (in case group membership hasn't applied yet)
sudo_result = subprocess.run(['sudo', '-n'] + journal_cmd, capture_output=True, text=True, check=False, timeout=5)
if sudo_result.returncode == 0:
return jsonify({'status': 'success', 'logs': sudo_result.stdout})
error_msg = result.stderr or sudo_result.stderr or 'permission denied'
except subprocess.TimeoutExpired:
error_msg = 'journalctl timed out'
# Permission denied or other error: fall back to web UI log and return hint
fallback_logs = ''
try:
@@ -1068,8 +1075,8 @@ def get_logs():
fallback_logs = f.read()
except Exception:
fallback_logs = '(No fallback web UI logs found)'
hint = 'Insufficient permissions to read system journal. Add the web user to the systemd-journal group or configure sudoers for journalctl.'
return jsonify({'status': 'error', 'message': f'Error fetching logs: {result.stderr or "permission denied"}\n\nHint: {hint}', 'fallback': fallback_logs}), 500
hint = 'Insufficient permissions or timeout reading system journal. Ensure the web user is in the systemd-journal group, restart the service to pick up group changes, or configure sudoers for journalctl.'
return jsonify({'status': 'error', 'message': f'Error fetching logs: {error_msg}\n\nHint: {hint}', 'fallback': fallback_logs}), 500
except subprocess.CalledProcessError as e:
# If the command fails, return the error
error_message = f"Error fetching logs: {e.stderr}"