0f5bbf004a
Server-only canonical production Debian build. Drops laptop/vanilla variants. Interactive LUKS + hostname at install. user/123 forced rotate. DVD-1 offline base. S8N_LOGS log-capture partition. Lineage: forked from s8n/debian-s8ns-prefs-iso commit d4be55f.
78 lines
2.4 KiB
Bash
Executable file
78 lines
2.4 KiB
Bash
Executable file
#!/usr/bin/env bash
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# read-usb-logs.sh — read install logs from S8N_LOGS partition on the USB.
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# Use after a failed install: pull USB from target, plug into onyx (or wherever
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# you have this repo cloned), run this script.
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#
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# Usage:
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# sudo scripts/read-usb-logs.sh /dev/sdX
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# sudo scripts/read-usb-logs.sh # auto-detect by label
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#
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# Outputs:
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# - Lists all run-* directories
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# - Cats the latest run's exit-status, last 50 lines of syslog, post-install log
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# - On --copy: rsyncs the entire S8N_LOGS contents to ./out/usb-logs-<date>/
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set -euo pipefail
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DEV="${1:-}"
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COPY=0
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[[ "${1:-}" == "--copy" ]] && { COPY=1; DEV="${2:-}"; }
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if [[ -z "$DEV" ]]; then
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DEV="$(blkid -L S8N_LOGS 2>/dev/null || true)"
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[[ -n "$DEV" ]] || { echo "ERR: no partition labeled S8N_LOGS found. Pass /dev/sdXN explicitly." >&2; exit 1; }
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fi
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[[ -b "$DEV" ]] || { echo "ERR: not a block device: $DEV" >&2; exit 1; }
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MOUNT=$(mktemp -d)
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trap 'sudo umount "$MOUNT" 2>/dev/null || true; rmdir "$MOUNT" 2>/dev/null || true' EXIT
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echo "[*] Mounting $DEV at $MOUNT (read-only)..."
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sudo mount -o ro "$DEV" "$MOUNT"
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echo "[*] Contents:"
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ls -la "$MOUNT"
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LATEST=$(ls -1d "$MOUNT"/run-* 2>/dev/null | sort | tail -1 || true)
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if [[ -z "$LATEST" ]]; then
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echo "[!] No run-* directories found. Either install never reached late_command, or log capture failed."
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exit 0
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fi
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echo
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echo "[*] Latest run: $(basename "$LATEST")"
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echo " contents:"
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ls -la "$LATEST"
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echo
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echo "=== build-info.txt ==="
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cat "$LATEST/build-info.txt" 2>/dev/null || echo "(missing)"
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echo
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echo "=== exit-status.txt ==="
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cat "$LATEST/exit-status.txt" 2>/dev/null || echo "(missing — install may have crashed before late_command finished)"
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echo
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echo "=== syslog (last 80 lines) ==="
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tail -80 "$LATEST/syslog" 2>/dev/null || echo "(missing)"
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echo
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echo "=== s8n-post-install.log (full) ==="
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cat "$LATEST/s8n-post-install.log" 2>/dev/null || echo "(missing — postinstall didn't run)"
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echo
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echo "=== s8n-luks-rekey.log (full) ==="
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cat "$LATEST/s8n-luks-rekey.log" 2>/dev/null || echo "(missing — luks-rekey didn't run)"
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echo
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echo "=== installer/ (debian-installer logs) ==="
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ls "$LATEST/installer/" 2>/dev/null || echo "(missing)"
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if [[ "$COPY" -eq 1 ]]; then
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DEST="$(pwd)/out/usb-logs-$(date -u +%Y%m%dT%H%M%SZ)"
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mkdir -p "$DEST"
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echo
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echo "[*] Copying full log set to $DEST ..."
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sudo cp -r "$MOUNT"/run-*/. "$DEST/"
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sudo chown -R "$USER:$USER" "$DEST"
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echo "[OK] $DEST"
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fi
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