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Add borg status to login display

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This commit is contained in:
Yan Lin 2025-10-11 19:04:22 +02:00
parent af52848b4b
commit cab90bbd5b
3 changed files with 81 additions and 0 deletions
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1
hosts/nixos/hs/system.nix
View file

@ -230,6 +230,7 @@
};
showDiskUsage = true;
diskUsagePaths = [ "/" "/mnt/storage" "/mnt/parity" ];
showBorgStatus = true;
};
# Borg backup configuration

1
hosts/nixos/vps/system.nix
View file

@ -92,6 +92,7 @@
showSystemInfo = true;
showSmartStatus = false;
showDiskUsage = true;
showBorgStatus = true;
};
# WireGuard VPN configuration (VPS as hub/server)

79
modules/login-display.nix
View file

@ -42,6 +42,12 @@ in
default = [ "/" ];
description = "Paths to check for disk usage";
};
showBorgStatus = mkOption {
type = types.bool;
default = false;
description = "Show last borg backup status";
};
};
config = mkIf cfg.enable {
@ -178,6 +184,75 @@ in
'') cfg.diskUsagePaths}
'';
# Build borg backup status display
borgStatusCode = optionalString cfg.showBorgStatus ''
# Query journalctl for borg-backup.service
BORG_LOG=$(journalctl -u borg-backup.service -n 50 --no-pager --output=cat 2>/dev/null || echo "")
if [[ -z "$BORG_LOG" ]]; then
# Service never ran
printf " \\033[38;2;241;250;140m⚠\\033[0m \\033[2mNever run\\033[0m\n"
else
# Check if last backup succeeded
if echo "$BORG_LOG" | ${pkgs.gnugrep}/bin/grep -q "Backup process completed successfully"; then
STATUS_SYMBOL="\\033[38;2;80;250;123m✓\\033[0m"
STATUS_TEXT="SUCCESS"
STATUS_COLOR="\\033[38;2;80;250;123m"
# Get timestamp of last successful backup
LAST_TIMESTAMP=$(journalctl -u borg-backup.service --output=short-iso -n 50 --no-pager 2>/dev/null | ${pkgs.gnugrep}/bin/grep "Backup process completed successfully" | tail -1 | ${pkgs.gawk}/bin/awk '{print $1}')
if [[ -n "$LAST_TIMESTAMP" ]]; then
# Calculate time ago
LAST_EPOCH=$(date -d "$LAST_TIMESTAMP" +%s 2>/dev/null || date -j -f "%Y-%m-%dT%H:%M:%S%z" "$LAST_TIMESTAMP" +%s 2>/dev/null || echo "0")
NOW_EPOCH=$(date +%s)
DIFF_SECONDS=$((NOW_EPOCH - LAST_EPOCH))
if [[ $DIFF_SECONDS -lt 3600 ]]; then
TIME_AGO="$((DIFF_SECONDS / 60))m ago"
elif [[ $DIFF_SECONDS -lt 86400 ]]; then
TIME_AGO="$((DIFF_SECONDS / 3600))h ago"
else
TIME_AGO="$((DIFF_SECONDS / 86400))d ago"
fi
# Adjust color based on age
if [[ $DIFF_SECONDS -gt 172800 ]]; then
# > 48h - red
STATUS_SYMBOL="\\033[38;2;255;85;85m✗\\033[0m"
STATUS_COLOR="\\033[38;2;255;85;85m"
elif [[ $DIFF_SECONDS -gt 86400 ]]; then
# 24-48h - yellow
STATUS_SYMBOL="\\033[38;2;241;250;140m⚠\\033[0m"
STATUS_COLOR="\\033[38;2;241;250;140m"
fi
else
TIME_AGO="Unknown"
fi
# Try to extract archive size
ARCHIVE_SIZE=$(echo "$BORG_LOG" | ${pkgs.gnugrep}/bin/grep -E "Archive:" | tail -1 | ${pkgs.gawk}/bin/awk '{print $2, $3}')
if [[ -n "$ARCHIVE_SIZE" ]]; then
printf " %b \\033[2mLast backup\\033[0m %b%s\\033[0m \\033[2m%s\\033[0m\n" "$STATUS_SYMBOL" "$STATUS_COLOR" "$TIME_AGO" "$ARCHIVE_SIZE"
else
printf " %b \\033[2mLast backup\\033[0m %b%s\\033[0m\n" "$STATUS_SYMBOL" "$STATUS_COLOR" "$TIME_AGO"
fi
else
# Check for errors
if echo "$BORG_LOG" | ${pkgs.gnugrep}/bin/grep -q "ERROR"; then
STATUS_SYMBOL="\\033[38;2;255;85;85m✗\\033[0m"
STATUS_TEXT="FAILED"
printf " %b \\033[2mLast backup\\033[0m \\033[38;2;255;85;85m%s\\033[0m\n" "$STATUS_SYMBOL" "$STATUS_TEXT"
else
STATUS_SYMBOL="\\033[38;2;241;250;140m⚠\\033[0m"
STATUS_TEXT="Unknown"
printf " %b \\033[2mLast backup\\033[0m \\033[38;2;241;250;140m%s\\033[0m\n" "$STATUS_SYMBOL" "$STATUS_TEXT"
fi
fi
fi
'';
# Combine all sections
hasDisks = cfg.showSmartStatus && (builtins.length (builtins.attrNames cfg.smartDrives) > 0);
hasStorage = cfg.showDiskUsage && (builtins.length cfg.diskUsagePaths > 0);
@ -195,6 +270,10 @@ in
printf "\\033[38;2;100;150;255m━━ Storage ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━\\033[0m\n"
${diskUsageCode}
''}
${optionalString cfg.showBorgStatus ''
printf "\\033[38;2;100;150;255m━━ Backup ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━\\033[0m\n"
${borgStatusCode}
''}
echo ""
fi
''