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Replace fragile column-index LXC storage parsing with regex

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Use regex pattern matching instead of split()[N] indexing for parsing
pct df output. This is more robust against variations in column
formatting and whitespace.

Resolves #11

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Jared Vititoe
2026-02-10 13:00:50 -05:00
parent 308a8d5c5c
commit 90346a2da1
1 changed files with 26 additions and 20 deletions
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38
hwmonDaemon.py
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@@ -3454,32 +3454,38 @@ class SystemHealthMonitor:
if not fs_line.strip() or 'MP' in fs_line:
continue
# Fix: Use fs_line instead of line, and columns consistently
columns = fs_line.split()
if len(columns) >= 6:
try:
# Skip excluded mounts by checking the first column
if columns[0].startswith('appPool:') or '/mnt/pve/mediaf' in columns[1]:
# Parse df output using regex for reliable column extraction
match = re.match(
r'(\S+)\s+(\S+)\s+(\S+)\s+(\S+)\s+(\S+)\s+(\d+\.?\d*)%?\s+(.*)',
fs_line.strip()
)
if not match:
logger.debug(f"Could not parse filesystem line: {fs_line}")
continue
# Get the mountpoint (last column)
mountpoint = columns[-1]
pool, device_col, total_str, used_str, avail_str, percent_str, mountpoint = match.groups()
try:
# Skip excluded mounts
if pool.startswith('appPool:') or '/mnt/pve/mediaf' in device_col:
continue
mountpoint = mountpoint.strip()
# Skip excluded mountpoints
if self._is_excluded_mount(mountpoint):
logger.debug(f"Skipping excluded mount: {mountpoint}")
continue
# Parse size values safely - use correct column indices
total_space = self._parse_size(columns[2]) # 3rd column
used_space = self._parse_size(columns[3]) # 4th column
available_space = self._parse_size(columns[4]) # 5th column
# Parse size values from named regex groups
total_space = self._parse_size(total_str)
used_space = self._parse_size(used_str)
available_space = self._parse_size(avail_str)
# Parse percentage safely
# Parse percentage from regex group
try:
usage_percent = float(columns[5].rstrip('%')) # 6th column
except (ValueError, IndexError):
usage_percent = float(percent_str)
except ValueError:
# Calculate percentage if parsing fails
usage_percent = (used_space / total_space * 100) if total_space > 0 else 0