1

scripts/install_root_db_to_volume.sh

@@ -0,0 +1,130 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# Install a database file from the project root into the docker-compose volume
+# path used by AlphaX: ./data/altcoin_monitor.db.
+#
+# Server usage:
+#   bash scripts/install_root_db_to_volume.sh
+#
+# Defaults:
+#   source: ./altcoin_monitor.db
+#   target: ./data/altcoin_monitor.db
+#
+# Overrides:
+#   ROOT_DB=./my_backup.db bash scripts/install_root_db_to_volume.sh
+#   RESTART=0 bash scripts/install_root_db_to_volume.sh
+#   BACKUP_OLD=0 bash scripts/install_root_db_to_volume.sh
+
+ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+cd "$ROOT_DIR"
+
+COMPOSE_CMD="${COMPOSE_CMD:-docker compose}"
+ROOT_DB="${ROOT_DB:-altcoin_monitor.db}"
+TARGET_DB="${TARGET_DB:-data/altcoin_monitor.db}"
+BACKUP_DIR="${BACKUP_DIR:-data/backups}"
+RESTART="${RESTART:-1}"
+BACKUP_OLD="${BACKUP_OLD:-1}"
+WEB_SERVICE="${WEB_SERVICE:-alphax-web}"
+SCHEDULER_SERVICE="${SCHEDULER_SERVICE:-alphax-scheduler}"
+
+compose() {
+  ${COMPOSE_CMD} "$@"
+}
+
+info() {
+  echo "[install-db] $*"
+}
+
+die() {
+  echo "ERROR: $*" >&2
+  exit 1
+}
+
+service_exists() {
+  compose config --services 2>/dev/null | grep -qx "$1"
+}
+
+verify_db() {
+  local db_path="$1"
+  command -v python3 >/dev/null 2>&1 || {
+    info "python3 not found; skipped integrity check for $db_path"
+    return 0
+  }
+  HOST_DB="$db_path" python3 - <<'PY'
+import os
+import sqlite3
+import sys
+
+db = os.environ["HOST_DB"]
+conn = sqlite3.connect(f"file:{db}?mode=ro", uri=True, timeout=30)
+result = conn.execute("PRAGMA integrity_check").fetchone()[0]
+tables = conn.execute("SELECT COUNT(*) FROM sqlite_master WHERE type='table'").fetchone()[0]
+conn.close()
+if result != "ok":
+    print(f"integrity_check failed for {db}: {result}", file=sys.stderr)
+    raise SystemExit(2)
+print(f"integrity_check=ok tables={tables} db={db}")
+PY
+}
+
+[ -f "$ROOT_DB" ] || die "root database not found: $ROOT_DIR/$ROOT_DB"
+[ -s "$ROOT_DB" ] || die "root database is empty: $ROOT_DIR/$ROOT_DB"
+
+mkdir -p "$(dirname "$TARGET_DB")" "$BACKUP_DIR"
+
+info "source root db: $ROOT_DIR/$ROOT_DB"
+info "target volume db: $ROOT_DIR/$TARGET_DB"
+
+verify_db "$ROOT_DB"
+
+if [ "$RESTART" = "1" ]; then
+  info "stopping compose services before replacing SQLite DB"
+  if service_exists "$SCHEDULER_SERVICE"; then
+    compose stop "$SCHEDULER_SERVICE" >/dev/null 2>&1 || true
+  fi
+  if service_exists "$WEB_SERVICE"; then
+    compose stop "$WEB_SERVICE" >/dev/null 2>&1 || true
+  fi
+fi
+
+STAMP="$(date +%Y%m%d_%H%M%S)"
+
+if [ "$BACKUP_OLD" = "1" ] && [ -e "$TARGET_DB" ]; then
+  OLD_BACKUP="${BACKUP_DIR}/altcoin_monitor.volume_before_root_install.${STAMP}.db"
+  info "backing up old volume db to $OLD_BACKUP"
+  cp -p "$TARGET_DB" "$OLD_BACKUP"
+fi
+
+for sidecar in "${TARGET_DB}-wal" "${TARGET_DB}-shm"; do
+  if [ -e "$sidecar" ]; then
+    if [ "$BACKUP_OLD" = "1" ]; then
+      sidecar_backup="${BACKUP_DIR}/$(basename "$sidecar").volume_before_root_install.${STAMP}"
+      info "moving old sidecar $sidecar to $sidecar_backup"
+      mv "$sidecar" "$sidecar_backup"
+    else
+      info "removing old sidecar $sidecar"
+      rm -f "$sidecar"
+    fi
+  fi
+done
+
+info "installing root db into volume path"
+cp -p "$ROOT_DB" "$TARGET_DB"
+chmod 664 "$TARGET_DB" || true
+
+verify_db "$TARGET_DB"
+
+if [ "$RESTART" = "1" ]; then
+  info "starting compose services"
+  if service_exists "$WEB_SERVICE"; then
+    compose up -d "$WEB_SERVICE"
+  fi
+  if service_exists "$SCHEDULER_SERVICE"; then
+    compose up -d "$SCHEDULER_SERVICE"
+  fi
+fi
+
+info "done"
+info "system database path: $ROOT_DIR/$TARGET_DB"
+info "old backups path: $ROOT_DIR/$BACKUP_DIR"