75 lines
2.8 KiB
Bash
Executable File
75 lines
2.8 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Manual: capture V4L2/sysfs capability evidence from a live eye device.
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# Not part of CI; requires local device access.
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set -euo pipefail
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DEVICE="${1:-/dev/lesavka_r_eye}"
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OUTDIR="${2:-/tmp/lesavka-eye-capabilities}"
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WAIT_SECONDS="${LESAVKA_EYE_CAP_WAIT_SECONDS:-3600}"
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POLL_SECONDS="${LESAVKA_EYE_CAP_POLL_SECONDS:-1}"
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mkdir -p "$OUTDIR"
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deadline=$((SECONDS + WAIT_SECONDS))
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while [[ ! -e "$DEVICE" ]]; do
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if (( SECONDS >= deadline )); then
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echo "eye capability probe timed out waiting for $DEVICE" >&2
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exit 124
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fi
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sleep "$POLL_SECONDS"
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done
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timestamp="$(date -u +%Y%m%dT%H%M%SZ)"
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device_name="$(basename "$DEVICE")"
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resolved_device="$(readlink -f "$DEVICE" 2>/dev/null || printf "%s" "$DEVICE")"
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prefix="$OUTDIR/${timestamp}-${device_name}"
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sysfs_base="/sys/class/video4linux/$(basename "$resolved_device" 2>/dev/null || basename "$DEVICE")"
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echo "capturing eye capabilities for $DEVICE (${resolved_device}) into ${prefix}-*.txt"
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run_with_optional_sudo() {
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if "$@"; then
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return 0
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fi
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local status=$?
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if command -v sudo >/dev/null 2>&1 && sudo -n true >/dev/null 2>&1; then
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echo
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echo "# direct access failed with status ${status}; retrying under sudo -n"
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sudo -n "$@"
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return $?
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fi
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echo
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echo "# command exited with status ${status}"
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if [[ -e "$resolved_device" && ! -r "$resolved_device" ]]; then
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echo "# ${resolved_device} is not readable by user $(id -un)"
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echo "# groups: $(id -Gn)"
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fi
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echo "# passwordless sudo is unavailable; root or video-group access is required for full V4L2 inspection"
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return $status
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}
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run_probe() {
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local label="$1"
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shift
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local outfile="${prefix}-${label}.txt"
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{
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printf "# %s\n" "$label"
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printf "# device: %s\n" "$DEVICE"
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printf "# resolved_device: %s\n" "$resolved_device"
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printf "# timestamp_utc: %s\n\n" "$timestamp"
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"$@"
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} >"$outfile" 2>&1 || true
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}
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run_probe path-info bash -lc "printf 'device=%s\nresolved=%s\n' '$DEVICE' '$resolved_device'; printf 'ls -l: '; ls -l '$resolved_device' 2>/dev/null || true; printf 'user=%s\ngroups=%s\n' \"\$(id -un)\" \"\$(id -Gn)\""
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run_probe sysfs-summary bash -lc "printf 'sysfs_base=%s\n' '$sysfs_base'; if [[ -d '$sysfs_base' ]]; then for path in name device/modalias device/uevent; do file='$sysfs_base/'\"\$path\"; if [[ -f \"\$file\" ]]; then printf -- '\n## %s\n' \"\$path\"; sed -n '1,200p' \"\$file\"; fi; done; else echo 'missing sysfs path'; fi"
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run_probe v4l2-device run_with_optional_sudo v4l2-ctl --device "$DEVICE" --info
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run_probe v4l2-all run_with_optional_sudo v4l2-ctl --device "$DEVICE" --all
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run_probe v4l2-formats run_with_optional_sudo v4l2-ctl --device "$DEVICE" --list-formats-ext
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run_probe v4l2-ctrls run_with_optional_sudo v4l2-ctl --device "$DEVICE" --list-ctrls-menus
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run_probe udev udevadm info --query=all --name "$DEVICE"
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echo "eye capability artifacts written under $OUTDIR"
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