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BigBodyCobain
76 lines
2.4 KiB
Python
76 lines
2.4 KiB
Python
"""Rotate the MESH_SECURE_STORAGE_SECRET used to protect key envelopes at rest.
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Usage — stop the backend first, then run:
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MESH_OLD_STORAGE_SECRET=<current> \\
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MESH_NEW_STORAGE_SECRET=<new> \\
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python -m scripts.rotate_secure_storage_secret
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Dry-run mode (validates old secret without writing anything):
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MESH_OLD_STORAGE_SECRET=<current> \\
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MESH_NEW_STORAGE_SECRET=<new> \\
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python -m scripts.rotate_secure_storage_secret --dry-run
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Or, for Docker deployments:
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docker exec -e MESH_OLD_STORAGE_SECRET=<current> \\
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-e MESH_NEW_STORAGE_SECRET=<new> \\
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<container> python -m scripts.rotate_secure_storage_secret
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After successful rotation, update your .env (or Docker secret file) to set
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MESH_SECURE_STORAGE_SECRET to the new value, then restart the backend.
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The script fails closed: if the old secret cannot unwrap any existing envelope,
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nothing is written. Non-passphrase envelopes (DPAPI, raw) are skipped with a
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warning.
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Before rewriting, .bak copies of every envelope are created so a mid-rotation
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crash leaves recoverable backups on disk.
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"""
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from __future__ import annotations
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import json
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import os
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import sys
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def main() -> None:
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dry_run = "--dry-run" in sys.argv
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old_secret = os.environ.get("MESH_OLD_STORAGE_SECRET", "").strip()
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new_secret = os.environ.get("MESH_NEW_STORAGE_SECRET", "").strip()
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if not old_secret:
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print("ERROR: MESH_OLD_STORAGE_SECRET environment variable is required.", file=sys.stderr)
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sys.exit(1)
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if not new_secret:
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print("ERROR: MESH_NEW_STORAGE_SECRET environment variable is required.", file=sys.stderr)
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sys.exit(1)
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from services.mesh.mesh_secure_storage import SecureStorageError, rotate_storage_secret
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try:
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result = rotate_storage_secret(old_secret, new_secret, dry_run=dry_run)
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except SecureStorageError as exc:
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print(f"ROTATION FAILED: {exc}", file=sys.stderr)
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sys.exit(1)
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print(json.dumps(result, indent=2))
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if dry_run:
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print(
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"\nDry run complete. No files were modified. Run again without --dry-run to perform the rotation.",
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file=sys.stderr,
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)
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else:
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print(
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"\nRotation complete. Update MESH_SECURE_STORAGE_SECRET to the new value and restart the backend."
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"\nBackup files (.bak) were created alongside each rotated envelope.",
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file=sys.stderr,
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)
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if __name__ == "__main__":
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main()
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