nix/scripts/daily-smart-report.sh
2025-09-14 14:07:41 +02:00

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# Simple daily SMART report script - plain text version
# Only checks SMART attributes and sends report via Gotify
# Usage: daily-smart-report.sh <gotify_token>
# Drive list should be passed via SMART_DRIVES environment variable as "device:name" pairs
set -euo pipefail
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
GOTIFY_SCRIPT="${SCRIPT_DIR}/gotify-notify.sh"
LOG_FILE="/var/log/daily-smart-report.log"
# Get parameters
GOTIFY_TOKEN="${1:-}"
# Validate parameters
if [[ -z "$GOTIFY_TOKEN" ]]; then
echo "Error: Gotify token not provided"
echo "Usage: $0 <gotify_token>"
echo "Drives should be in SMART_DRIVES environment variable"
exit 1
fi
# Gotify configuration
GOTIFY_URL="https://notify.yanlincs.com"
# Parse drive configurations from environment variable
# SMART_DRIVES format: "device1:name1;device2:name2;..."
declare -A DRIVES=()
if [[ -n "${SMART_DRIVES:-}" ]]; then
IFS=';' read -ra DRIVE_PAIRS <<< "$SMART_DRIVES"
for pair in "${DRIVE_PAIRS[@]}"; do
IFS=':' read -r device name <<< "$pair"
if [[ -n "$device" && -n "$name" ]]; then
DRIVES["$device"]="$name"
fi
done
else
echo "Warning: No drives specified in SMART_DRIVES environment variable"
echo "Format: SMART_DRIVES='device1:name1;device2:name2'"
exit 1
fi
main() {
local report=""
local healthy_drives=0
local total_drives=0
echo "Starting daily SMART report"
report="Daily SMART Report - $(date '+%Y-%m-%d')\n\n"
report+="Drive SMART Status:\n"
# Check each drive
for device in "${!DRIVES[@]}"; do
local device_name="${DRIVES[$device]}"
total_drives=$((total_drives + 1))
echo "Checking $device_name"
# Quick device existence check
if [[ ! -e "$device" ]]; then
report+="[FAIL] $device_name: Device not found\n"
continue
fi
# Detect drive type
local drive_type="UNKNOWN"
if [[ "$device" == *"nvme"* ]]; then
drive_type="NVMe"
else
# Check if it's SSD or HDD based on rotation rate
local smart_info
smart_info=$(smartctl -i "$device" 2>/dev/null)
if echo "$smart_info" | grep -q "Rotation Rate:.*Solid State Device\|Rotation Rate:.*0 rpm"; then
drive_type="SSD"
elif echo "$smart_info" | grep -q "Rotation Rate:.*[0-9][0-9][0-9][0-9] rpm"; then
drive_type="HDD"
fi
fi
# Get SMART health
local health="UNKNOWN"
if health=$(smartctl -H "$device" 2>/dev/null | grep -o "PASSED\|FAILED" | head -1); then
echo " Health: $health"
else
health="UNKNOWN"
echo " Health: $health"
fi
# Get enhanced SMART data
local temp="N/A"
local power_hours="N/A"
local wear_info="N/A"
local data_info=""
local error_info=""
if [[ "$health" == "PASSED" ]]; then
local smart_data
smart_data=$(smartctl -A "$device" 2>/dev/null)
if [[ "$drive_type" == "NVMe" ]]; then
# NVMe specific attributes
temp=$(echo "$smart_data" | awk '/^Temperature:/ {print $2}' | head -1)
if [[ -n "$temp" && "$temp" =~ ^[0-9]+$ ]]; then
temp="${temp}C"
else
temp="N/A"
fi
power_hours=$(echo "$smart_data" | awk '/^Power On Hours:/ {print $4}' | sed 's/,//g')
local percentage_used
percentage_used=$(echo "$smart_data" | awk '/^Percentage Used:/ {print $3}' | tr -d '%')
if [[ -n "$percentage_used" ]]; then
wear_info="Wear: ${percentage_used}%"
fi
local data_read data_written
data_read=$(echo "$smart_data" | awk '/^Data Units Read:/ {match($0, /\[([^\]]+)\]/, arr); print arr[1]}')
data_written=$(echo "$smart_data" | awk '/^Data Units Written:/ {match($0, /\[([^\]]+)\]/, arr); print arr[1]}')
if [[ -n "$data_read" && -n "$data_written" ]]; then
data_info="Data: R:${data_read} W:${data_written}"
fi
local unsafe_shutdowns media_errors
unsafe_shutdowns=$(echo "$smart_data" | awk '/^Unsafe Shutdowns:/ {print $3}')
media_errors=$(echo "$smart_data" | awk '/^Media and Data Integrity Errors:/ {print $6}')
local error_parts=()
if [[ -n "$unsafe_shutdowns" && "$unsafe_shutdowns" -gt 0 ]]; then
error_parts+=("UnsafeShutdowns:$unsafe_shutdowns")
fi
if [[ -n "$media_errors" && "$media_errors" -gt 0 ]]; then
error_parts+=("MediaErrors:$media_errors")
fi
if [[ ${#error_parts[@]} -gt 0 ]]; then
error_info=$(IFS=' '; echo "${error_parts[*]}")
fi
elif [[ "$drive_type" == "SSD" ]]; then
# SATA SSD specific attributes
temp=$(echo "$smart_data" | awk '/Temperature_Celsius/ {print $10}' | head -1)
if [[ -n "$temp" && "$temp" =~ ^[0-9]+$ ]]; then
temp="${temp}C"
else
temp="N/A"
fi
power_hours=$(echo "$smart_data" | awk '/Power_On_Hours/ {print $10}' | head -1)
# SSD specific wear indicators - use VALUE column (4) for percentages
local wear_level
wear_level=$(echo "$smart_data" | awk '/Wear_Leveling_Count/ {print $4}' | head -1)
if [[ -n "$wear_level" ]]; then
wear_info="WearLevel:${wear_level}%"
else
# Alternative SSD wear indicator - use VALUE column
local media_wearout
media_wearout=$(echo "$smart_data" | awk '/Media_Wearout_Indicator/ {print $4}' | head -1)
if [[ -n "$media_wearout" ]]; then
wear_info="MediaWearout:${media_wearout}%"
fi
fi
local power_cycles
power_cycles=$(echo "$smart_data" | awk '/Power_Cycle_Count/ {print $10}' | head -1)
if [[ -n "$power_cycles" ]]; then
data_info="PowerCycles:$power_cycles"
fi
# Check for SSD-specific errors
local program_fail
program_fail=$(echo "$smart_data" | awk '/Program_Fail_Count/ {print $10}' | head -1)
local erase_fail
erase_fail=$(echo "$smart_data" | awk '/Erase_Fail_Count/ {print $10}' | head -1)
local error_parts=()
if [[ -n "$program_fail" && "$program_fail" -gt 0 ]]; then
error_parts+=("ProgramFails:$program_fail")
fi
if [[ -n "$erase_fail" && "$erase_fail" -gt 0 ]]; then
error_parts+=("EraseFails:$erase_fail")
fi
if [[ ${#error_parts[@]} -gt 0 ]]; then
error_info=$(IFS=' '; echo "${error_parts[*]}")
fi
elif [[ "$drive_type" == "HDD" ]]; then
# HDD specific attributes
temp=$(echo "$smart_data" | awk '/Temperature_Celsius/ {print $10}' | head -1)
if [[ -n "$temp" && "$temp" =~ ^[0-9]+$ ]]; then
temp="${temp}C"
else
temp="N/A"
fi
power_hours=$(echo "$smart_data" | awk '/Power_On_Hours/ {print $10}' | head -1)
local reallocated
reallocated=$(echo "$smart_data" | awk '/Reallocated_Sector_Ct/ {print $10}' | head -1)
if [[ -n "$reallocated" ]]; then
wear_info="Reallocated:$reallocated"
fi
local power_cycles
power_cycles=$(echo "$smart_data" | awk '/Power_Cycle_Count/ {print $10}' | head -1)
if [[ -n "$power_cycles" ]]; then
data_info="PowerCycles:$power_cycles"
fi
fi
echo " Temperature: $temp"
echo " Power Hours: $power_hours"
[[ -n "$wear_info" ]] && echo " $wear_info"
[[ -n "$data_info" ]] && echo " $data_info"
[[ -n "$error_info" ]] && echo " $error_info"
fi
# Format output
if [[ "$health" == "PASSED" ]]; then
report+="[OK] $device_name ($drive_type): $health\\n"
report+=" Temp: $temp"
if [[ "$power_hours" != "N/A" ]]; then
report+=", PowerOn: ${power_hours}h"
fi
if [[ -n "$wear_info" ]]; then
report+=", $wear_info"
fi
report+="\\n"
if [[ -n "$data_info" ]]; then
report+=" $data_info\\n"
fi
if [[ -n "$error_info" ]]; then
report+=" ⚠️ $error_info\\n"
fi
healthy_drives=$((healthy_drives + 1))
else
report+="[FAIL] $device_name ($drive_type): $health\\n"
if [[ "$temp" != "N/A" ]]; then
report+=" Temp: $temp\\n"
fi
fi
done
# Add summary
report+="\nSummary:\n"
if [[ $healthy_drives -eq $total_drives ]]; then
report+="Status: All $total_drives drives healthy\n"
report+="Next check: $(date -d 'tomorrow 08:00' '+%Y-%m-%d 08:00')"
echo "Result: All drives healthy ($healthy_drives/$total_drives)"
# Send notification
if [[ -x "$GOTIFY_SCRIPT" ]]; then
"$GOTIFY_SCRIPT" "$GOTIFY_URL" "$GOTIFY_TOKEN" "normal" "Daily SMART Report" "$report"
fi
else
local issues=$((total_drives - healthy_drives))
report+="Status: $issues of $total_drives drives have issues"
echo "Result: Issues detected ($healthy_drives/$total_drives drives healthy)"
# Send high priority notification for issues
if [[ -x "$GOTIFY_SCRIPT" ]]; then
"$GOTIFY_SCRIPT" "$GOTIFY_URL" "$GOTIFY_TOKEN" "high" "Daily SMART Report - Issues Detected" "$report"
fi
fi
# Simple logging
echo "[$(date '+%Y-%m-%d %H:%M:%S')] Daily SMART report: $healthy_drives/$total_drives drives healthy" >> "$LOG_FILE" 2>/dev/null || true
echo "Daily SMART report completed"
}
main "$@"