119 lines
3.4 KiB
Bash
Executable File
119 lines
3.4 KiB
Bash
Executable File
#!/bin/sh
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set -eu
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# Capture raw lsblk and smartctl JSON without interpreting device health. The
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# same script is used by the unprivileged plugin fallback and the hardened root
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# systemd service, keeping collection behavior identical in both paths.
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LC_ALL=C
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export LC_ALL
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collector_version="2.0.1"
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generated_at_epoch=$(date +%s)
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collection_id=""
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if [ -r /proc/sys/kernel/random/uuid ]; then
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IFS= read -r collection_id </proc/sys/kernel/random/uuid || collection_id=""
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fi
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if [ -z "$collection_id" ]; then
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uptime_field=""
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if [ -r /proc/uptime ]; then
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IFS=' ' read -r uptime_field _ </proc/uptime || uptime_field=""
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fi
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collection_id="${generated_at_epoch}-$$-${uptime_field:-unknown}"
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fi
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output=""
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if [ "${1:-}" = "--output" ]; then
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if [ "$#" -ne 2 ] || [ -z "$2" ]; then
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echo "usage: $0 [--output PATH]" >&2
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exit 2
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fi
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output=$2
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elif [ "$#" -ne 0 ]; then
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echo "usage: $0 [--output PATH]" >&2
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exit 2
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fi
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if ! command -v lsblk >/dev/null 2>&1; then
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echo "collect_raw: lsblk is required" >&2
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exit 1
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fi
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if [ -n "$output" ]; then
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output_dir=$(dirname -- "$output")
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mkdir -p -- "$output_dir"
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payload_tmp=$(mktemp "$output_dir/.raw.json.XXXXXX")
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else
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payload_tmp=$(mktemp "${TMPDIR:-/tmp}/noctalia-smart-raw.XXXXXX")
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fi
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devices_tmp=$(mktemp "${TMPDIR:-/tmp}/noctalia-smart-devices.XXXXXX")
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smart_tmp=$(mktemp "${TMPDIR:-/tmp}/noctalia-smart-device.XXXXXX")
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cleanup() {
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rm -f -- "$payload_tmp" "$devices_tmp" "$smart_tmp"
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}
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trap cleanup EXIT HUP INT TERM
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lsblk --nodeps --noheadings --paths --output PATH,TYPE,ROTA >"$devices_tmp"
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{
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printf '{"schema":2,"collector_version":"%s","collection_id":"%s","generated_at_epoch":%s,"lsblk":' \
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"$collector_version" "$collection_id" "$generated_at_epoch"
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lsblk --json --bytes --paths --output \
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NAME,KNAME,PATH,PKNAME,TYPE,TRAN,ROTA,RM,HOTPLUG,SIZE,LOG-SEC,PHY-SEC,MODEL,SERIAL,FSTYPE,FSSIZE,FSUSED,FSAVAIL,MOUNTPOINTS
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printf ',"smart":['
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first=true
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if command -v smartctl >/dev/null 2>&1; then
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while read -r device device_type rotational; do
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[ "$device_type" = "disk" ] || continue
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case "$device" in
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/dev/loop*|/dev/ram*|/dev/sr*|/dev/zram*) continue ;;
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esac
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smart_device=$device
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nvme_controller=$(printf '%s\n' "$device" | sed -n 's#^\(/dev/nvme[0-9][0-9]*\)n[0-9][0-9]*$#\1#p')
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if [ -n "$nvme_controller" ]; then
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smart_device=$nvme_controller
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fi
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: >"$smart_tmp"
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if [ "$rotational" = "1" ]; then
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if smartctl --json=c --all --nocheck=standby,0 "$smart_device" >"$smart_tmp" 2>/dev/null; then
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smart_exit=0
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else
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smart_exit=$?
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fi
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else
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if smartctl --json=c --all "$smart_device" >"$smart_tmp" 2>/dev/null; then
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smart_exit=0
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else
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smart_exit=$?
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fi
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fi
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if [ "$first" = true ]; then
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first=false
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else
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printf ','
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fi
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printf '{"requested_device":"%s","exit_code":%s,"payload":' "$smart_device" "$smart_exit"
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if [ -s "$smart_tmp" ]; then
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cat "$smart_tmp"
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else
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printf '{"smartctl":{"exit_status":%s,"messages":[{"severity":"error","string":"smartctl produced no JSON output"}]}}' "$smart_exit"
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fi
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printf '}'
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done <"$devices_tmp"
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fi
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printf ']}\n'
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} >"$payload_tmp"
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chmod 0640 "$payload_tmp"
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if [ -n "$output" ]; then
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mv -f -- "$payload_tmp" "$output"
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else
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cat "$payload_tmp"
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fi
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