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add wear percentage of SSDs

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Yan Lin 2025-12-13 20:18:50 +01:00
parent 279e2959ab
commit a5ebd43b40
1 changed files with 23 additions and 2 deletions
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25
modules/login-display.nix
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@ -94,17 +94,23 @@ in
HEALTH="UNKNOWN"
fi
# Get temperature
# Get temperature and wear percentage
TEMP="N/A"
WEAR="N/A"
if [[ "$HEALTH" == "PASSED" ]]; then
if [[ "${device}" == *"nvme"* ]]; then
SMART_DATA=$(sudo ${pkgs.smartmontools}/bin/smartctl -d nvme -A "${device}" 2>/dev/null)
TEMP=$(echo "$SMART_DATA" | ${pkgs.gawk}/bin/awk '/^Temperature:/ {print $2}' | head -1)
[[ -n "$TEMP" && "$TEMP" =~ ^[0-9]+$ ]] && TEMP="''${TEMP}" || TEMP="N/A"
WEAR=$(echo "$SMART_DATA" | ${pkgs.gawk}/bin/awk '/^Percentage Used:/ {print $3}' | head -1 | tr -d '%')
[[ -n "$WEAR" && "$WEAR" =~ ^[0-9]+$ ]] || WEAR="N/A"
else
SMART_DATA=$(sudo ${pkgs.smartmontools}/bin/smartctl -A "${device}" 2>/dev/null)
TEMP=$(echo "$SMART_DATA" | ${pkgs.gawk}/bin/awk '/Temperature_Celsius/ {print $10}' | head -1)
[[ -n "$TEMP" && "$TEMP" =~ ^[0-9]+$ ]] && TEMP="''${TEMP}" || TEMP="N/A"
# Try various wear indicators for SATA SSDs (value is remaining life, so subtract from 100)
WEAR=$(echo "$SMART_DATA" | ${pkgs.gawk}/bin/awk '/Wear_Leveling_Count|Media_Wearout_Indicator|SSD_Life_Left/ {print 100 - $4; exit}')
[[ -n "$WEAR" && "$WEAR" =~ ^[0-9]+$ ]] || WEAR="N/A"
fi
fi
@ -125,17 +131,32 @@ in
else
TEMP_STR="$(printf "%b" "\\033[2m$TEMP\\033[0m")"
fi
# Color wear based on value
if [[ "$WEAR" =~ ^[0-9]+$ ]]; then
if [[ $WEAR -ge 80 ]]; then
WEAR_COLOR="\\033[38;2;251;73;52m"
elif [[ $WEAR -ge 50 ]]; then
WEAR_COLOR="\\033[38;2;254;128;25m"
else
WEAR_COLOR="\\033[38;2;184;187;38m"
fi
WEAR_STR="$(printf "%b" "''${WEAR_COLOR}''${WEAR}%\\033[0m")"
else
WEAR_STR="$(printf "%b" "\\033[2m$WEAR\\033[0m")"
fi
elif [[ "$HEALTH" == "FAILED" ]]; then
STATUS="\\033[38;2;251;73;52m✗\\033[0m"
HEALTH_COLOR="\\033[38;2;251;73;52m"
TEMP_STR="$(printf "%b" "\\033[2m$TEMP\\033[0m")"
WEAR_STR="$(printf "%b" "\\033[2m$WEAR\\033[0m")"
else
STATUS="\\033[38;2;250;189;47m⚠\\033[0m"
HEALTH_COLOR="\\033[38;2;250;189;47m"
TEMP_STR="$(printf "%b" "\\033[2m$TEMP\\033[0m")"
WEAR_STR="$(printf "%b" "\\033[2m$WEAR\\033[0m")"
fi
printf " %b \\033[2m%-15s\\033[0m %b%-7s\\033[0m %s\n" "$STATUS" "${name}" "$HEALTH_COLOR" "$HEALTH" "$TEMP_STR"
printf " %b \\033[2m%-15s\\033[0m %b%-7s\\033[0m %s %s\n" "$STATUS" "${name}" "$HEALTH_COLOR" "$HEALTH" "$TEMP_STR" "$WEAR_STR"
else
printf " \\033[38;2;250;189;47m⚠\\033[0m \\033[2m%-15s\\033[0m \\033[38;2;251;73;52m%-20s\\033[0m\n" "${name}" "Not found"
fi