chef/doc/backups.md
Sebastian Kippe f7afc21f9e
Use pbkdf2 for backup key derivation
Fixes a warning thrown by OpenSSL during backup runs, and makes it more
secure.
2021-11-30 13:38:34 -06:00

22 lines
623 B
Markdown

Backup
======
## Backup gem
Backups are stored on AWS S3, in the `kosmos-dev-backups` bucket.
The S3 credentials as well as the backup password are stored in the
`credentials` data bag under the `backup` item.
### Restore
To decrypt a backup archive, use the following command:
openssl aes-256-cbc -d -base64 -pbkdf2 -in my_backup.tar.enc -out my_backup.tar
If you get an error message along the lines of "bad decrypt", the archive was
likely encrypted before we switched the key derivation scheme. Try without
`-pbkdf2` in this case:
openssl aes-256-cbc -d -base64 -in my_backup.tar.enc -out my_backup.tar