feat(backup-monitor): integrate notify_backup.rb into desktop backup.sh

scripts/backup.sh

@@ -0,0 +1,80 @@
+#!/usr/bin/env bash
+# restic backup: Synology SFTP (when reachable) + Backblaze B2 (always)
+set -euo pipefail
+
+source "$HOME/.credentials"
+
+LOG_DIR="$HOME/.local/log/restic"
+mkdir -p "$LOG_DIR"
+LOG="$LOG_DIR/$(date +%Y-%m-%d).log"
+
+EXCLUDES=(
+  --exclude-file="$HOME/.config/restic/excludes"
+  --exclude-caches
+)
+
+run_backup() {
+  local repo="$1"
+  local label="$2"
+
+  echo "--- $label backup ---" | tee -a "$LOG"
+
+  restic -r "$repo" backup ~ "${EXCLUDES[@]}" \
+    --one-file-system \
+    --tag "$(hostname)" 2>&1 | tee -a "$LOG"
+
+  restic -r "$repo" forget \
+    --keep-daily 7 \
+    --keep-weekly 4 \
+    --keep-monthly 6 \
+    --prune 2>&1 | tee -a "$LOG"
+}
+
+run_and_notify() {
+  local repo="$1"
+  local label="$2"
+  local machine="$3"
+  local destination="$4"
+
+  set +e
+  run_backup "$repo" "$label"
+  local exit_code=$?
+  set -e
+
+  local status="failure"
+  [[ $exit_code -eq 0 ]] && status="success"
+
+  local snap
+  snap=$(grep -oE 'snapshot [a-f0-9]+' "$LOG" 2>/dev/null | tail -1 | awk '{print $2}')
+
+  notify_backup.rb \
+    --machine "$machine" \
+    --destination "$destination" \
+    --status "$status" \
+    ${snap:+--snapshot "$snap"} \
+    --log-path "$LOG" \
+    --notes "$(tail -10 "$LOG")" || true
+
+  return $exit_code
+}
+
+echo "=== Backup started $(date) ===" | tee -a "$LOG"
+
+# Synology: attempt only if reachable (SSH key auth, 30s timeout for HDD spin-up)
+if ssh -o ConnectTimeout=30 -o BatchMode=yes synology true 2>/dev/null; then
+  run_and_notify "sftp:${SYNOLOGY_HOST}:${SYNOLOGY_PATH}" "Synology" "desktop" "synology"
+else
+  echo "Synology unreachable — skipping SFTP backup" | tee -a "$LOG"
+  notify_backup.rb \
+    --machine desktop \
+    --destination synology \
+    --status skipped \
+    --log-path "$LOG" \
+    --notes "Synology unreachable at $(date)" || true
+fi
+
+# B2: clear any stale lock before attempting (safe no-op if no lock exists)
+restic -r "b2:${B2_BUCKET}:" unlock --remove-all 2>&1 | tee -a "$LOG"
+run_and_notify "b2:${B2_BUCKET}:" "Backblaze B2" "desktop" "backblaze-b2"
+
+echo "=== Backup complete $(date) ===" | tee -a "$LOG"