featchoremiscmiscmisc

backup-deployed.sh

@@ -0,0 +1,108 @@
+#!/usr/bin/env bash
+
+set -Eeuo pipefail
+
+ACTIVATE=false
+if [[ "${1:-}" == "--activate" ]]; then
+  ACTIVATE=true
+  shift
+fi
+if [[ "$#" -ne 0 ]]; then
+  echo "Usage: $0 [--activate]" >&2
+  exit 2
+fi
+
+REMOTE="${BLISS_BACKUP_REMOTE:-root@134.122.14.193}"
+APP_DIR="${BLISS_BACKUP_APP_DIR:-/home/nodejs/bliss2}"
+LOCAL_DIR="${BLISS_BACKUP_LOCAL_DIR:-$(pwd)/backups}"
+STAMP="$(date +%Y%m%d-%H%M%S)"
+ARCHIVE="$LOCAL_DIR/bliss-backup-$STAMP.tar.gz"
+PARTIAL="$ARCHIVE.partial"
+
+mkdir -p "$LOCAL_DIR"
+rm -f "$PARTIAL"
+
+cleanup() {
+  rm -f "$PARTIAL"
+}
+trap cleanup EXIT
+
+echo "Backing up $REMOTE:$APP_DIR"
+echo "You may be prompted for the droplet passcode."
+
+ssh -o ConnectTimeout=15 "$REMOTE" bash -s -- "$APP_DIR" >"$PARTIAL" <<'REMOTE_SCRIPT'
+set -Eeuo pipefail
+
+APP_DIR="$1"
+test -d "$APP_DIR/public"
+test -d "$APP_DIR/dbs"
+test -f "$APP_DIR/package.json"
+
+TMP_DIR="$(mktemp -d /root/bliss-backup.XXXXXX)"
+cleanup_remote() {
+  rm -rf "$TMP_DIR"
+}
+trap cleanup_remote EXIT
+
+mkdir -p "$TMP_DIR/dbs"
+cd "$APP_DIR"
+
+echo "Creating consistent SQLite snapshots..." >&2
+BACKUP_DIR="$TMP_DIR/dbs" node <<'NODE'
+const fs = require("fs");
+const path = require("path");
+const Database = require("better-sqlite3");
+
+(async () => {
+  const names = fs.readdirSync("dbs").filter(name => name.endsWith(".sqlite"));
+  if (names.length === 0) throw new Error("No SQLite databases found in dbs/");
+
+  for (const name of names) {
+    const source = new Database(path.resolve("dbs", name), { readonly: true });
+    const destination = path.join(process.env.BACKUP_DIR, name);
+    await source.backup(destination);
+    source.close();
+
+    const snapshot = new Database(destination, { readonly: true });
+    const result = snapshot.pragma("quick_check", { simple: true });
+    snapshot.close();
+    if (result !== "ok") throw new Error(`${name}: SQLite quick_check returned ${result}`);
+    console.error(`  ${name}: OK`);
+  }
+})().catch(error => {
+  console.error(error);
+  process.exit(1);
+});
+NODE
+
+echo "Copying static files..." >&2
+cp -a public "$TMP_DIR/public"
+
+printf 'source=%s\ncreated_utc=%s\n' \
+  "$APP_DIR" "$(date -u +%Y-%m-%dT%H:%M:%SZ)" >"$TMP_DIR/MANIFEST.txt"
+
+echo "Streaming compressed archive..." >&2
+tar -C "$TMP_DIR" -czf - MANIFEST.txt public dbs
+REMOTE_SCRIPT
+
+echo "Verifying downloaded archive..."
+gzip -t "$PARTIAL"
+tar -tzf "$PARTIAL" >/dev/null
+
+DB_COUNT="$(tar -tzf "$PARTIAL" | awk '/^dbs\/[^/]+\.sqlite$/ {count++} END {print count+0}')"
+if [[ "$DB_COUNT" -eq 0 ]]; then
+  echo "Backup verification failed: archive contains no SQLite databases" >&2
+  exit 1
+fi
+
+mv "$PARTIAL" "$ARCHIVE"
+trap - EXIT
+
+echo "Backup complete: $ARCHIVE"
+echo "SQLite databases: $DB_COUNT"
+du -h "$ARCHIVE"
+
+if [[ "$ACTIVATE" == true ]]; then
+  echo
+  "$(dirname "$0")/switch-bliss-data.sh" "$ARCHIVE"
+fi