43 lines
2.2 KiB
Bash
Executable File
43 lines
2.2 KiB
Bash
Executable File
#!/bin/bash
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# SMART всех USB/SATA-дисков → pushgateway (job=smart).
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# -n standby: спящий диск НЕ будим (иначе опрос раз в 15 мин не дал бы ему спать) —
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# для него отдаём последние снятые значения из кэша и smart_disk_standby=1.
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set -uo pipefail
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CACHE=/var/lib/smart-metrics; mkdir -p "$CACHE"
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out=$(mktemp); trap 'rm -f "$out"' EXIT
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echo "# TYPE smart_disk_standby gauge" >> "$out"
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for dev in /dev/sd?; do
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[ -b "$dev" ] || continue
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json=$(smartctl -d sat -n standby,7 -j -H -i -A -l selftest "$dev"); rc=$?
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serial=$(udevadm info -q property -n "$dev" | sed -n 's/^ID_SERIAL_SHORT=//p')
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[ -n "$serial" ] || continue
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f="$CACHE/$serial.prom"
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if [ $rc -eq 7 ]; then
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standby=1
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else
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standby=0
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echo "$json" | jq -r --arg dev "${dev#/dev/}" '
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(.model_name // "unknown") as $m | (.serial_number // "unknown") as $s |
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"{model=\"\($m)\",serial=\"\($s)\",device=\"\($dev)\"" as $l |
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"smart_health_passed\($l)} \(if .smart_status.passed then 1 else 0 end)",
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"smart_temperature_celsius\($l)} \(.temperature.current // "NaN")",
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"smart_power_on_hours\($l)} \(.power_on_time.hours // "NaN")",
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(.ata_smart_self_test_log.standard.table[0]? // empty |
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"smart_selftest_last_passed\($l)} \(if .status.passed then 1 else 0 end)"),
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(.ata_smart_attributes.table[]? |
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"smart_attribute_raw\($l),id=\"\(.id)\",name=\"\(.name)\"} \(.raw.value)",
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"smart_attribute_value\($l),id=\"\(.id)\",name=\"\(.name)\"} \(.value)"),
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"smart_last_read_timestamp\($l)} \(now|floor)"
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' > "$f.tmp" && [ -s "$f.tmp" ] && mv "$f.tmp" "$f"
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fi
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[ -f "$f" ] && cat "$f" >> "$out"
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echo "smart_disk_standby{serial=\"$serial\",device=\"${dev#/dev/}\"} $standby" >> "$out"
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done
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# заполнение диска бэкапа (statfs — из памяти, спящий диск не будит)
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if mountpoint -q /mnt/backup; then
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read -r size avail < <(df -B1 --output=size,avail /mnt/backup | tail -1)
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echo "backup_disk_size_bytes{mountpoint=\"/mnt/backup\"} $size" >> "$out"
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echo "backup_disk_avail_bytes{mountpoint=\"/mnt/backup\"} $avail" >> "$out"
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fi
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metrics-push smart < "$out"
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