Hermes-agent

scripts/docker_config_migrate.py

@@ -0,0 +1,67 @@
+#!/usr/bin/env python3
+"""Run Docker boot-time config migrations safely."""
+from __future__ import annotations
+
+import shutil
+import sys
+from datetime import datetime, timezone
+from pathlib import Path
+from typing import Iterable
+
+from hermes_cli.config import (
+    check_config_version,
+    get_config_path,
+    get_env_path,
+    migrate_config,
+)
+from utils import env_var_enabled
+
+
+def _backup_path(path: Path, stamp: str) -> Path:
+    base = path.with_name(f"{path.name}.bak-{stamp}")
+    if not base.exists():
+        return base
+    for index in range(1, 1000):
+        candidate = path.with_name(f"{path.name}.bak-{stamp}.{index}")
+        if not candidate.exists():
+            return candidate
+    raise RuntimeError(f"could not choose a backup path for {path}")
+
+
+def _backup_existing(paths: Iterable[Path]) -> list[Path]:
+    stamp = datetime.now(timezone.utc).strftime("%Y%m%dT%H%M%SZ")
+    backups: list[Path] = []
+    for path in paths:
+        if not path.is_file():
+            continue
+        dest = _backup_path(path, stamp)
+        shutil.copy2(path, dest)
+        backups.append(dest)
+    return backups
+
+
+def main() -> int:
+    if env_var_enabled("HERMES_SKIP_CONFIG_MIGRATION"):
+        print("[config-migrate] HERMES_SKIP_CONFIG_MIGRATION is set; skipping config migration")
+        return 0
+
+    current_ver, latest_ver = check_config_version()
+    if current_ver >= latest_ver:
+        return 0
+
+    backups = _backup_existing((get_config_path(), get_env_path()))
+    backup_text = ", ".join(str(path) for path in backups) if backups else "none"
+    print(
+        f"[config-migrate] Migrating config schema {current_ver} -> {latest_ver}; "
+        f"backups: {backup_text}"
+    )
+    migrate_config(interactive=False, quiet=False)
+    return 0
+
+
+if __name__ == "__main__":
+    try:
+        raise SystemExit(main())
+    except Exception as exc:
+        print(f"[config-migrate] ERROR: {exc}", file=sys.stderr)
+        raise SystemExit(1)