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Easy and configurable backup tool

Project description

A simple backup utility. Configurable with a YAML file.

See backupper -h for command usage.

Allows you to manage backups and encrypt them. You can then use rclone to store them on a distant storage.

Installation

pip3 install backupper

Recommended minimum python version is 3.5. It won’t work with version 3.4 and older.

Configuration reference

Minimal backupfile.yml

backup_dir: /backup/root
artifacts:
    - a/file
    - a/directory
    - /another/directory/
    - et/caetera

backup_dir

  • Definition: specifies the folder in which the backup directory will be created. If the folder doesn’t exist, it will be created.
  • Type: relative or absolute path.
  • Mandatory: no, unless delete_old_backups is set to true.
  • Default value: current working directory.

delete_old_backups

  • Definition: allows you to delete old backups from the backup directory specified in backup_dir. If cleaning_policy isn’t set, all previous backups will be deleted.
  • Type: boolean.
  • Mandatory: no.
  • Default value: false.

cleaning_policy

  • Definition: allows you to define a fine-tuned deletion policy. Will do nothing if delete_old_backups is set to false.
  • Type: at least one of the following parameters.
  • Mandatory: no (if not set, all older backups will be deleted).

Each parameter below can be set (at least one). The following schema visually presents how they work, assuming this cleaning policy:

cleaning_policy:
    most_recents: 2
    first_daily: 1
    first_weekly: 6
    first_monthly: 4
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Backup management schema

N.B.: please keep in mind that if you increase one of the parameters between two backups, deleted backups won’t magically pop back from nowhere. We strongly advise you to be careful with these values.

most_recents

  • Definition: number of recent backups to keep (in addition to the current one).
  • Type: natural integer.
  • Mandatory: no.
  • Default value: 0.

first_daily

  • Definition: number of daily backups to keep (keeps the n first backups of the current day).
  • Type: natural integer.
  • Mandatory: no.
  • Default value: 0.

first_weekly

  • Definition: number of weekly backups to keep (keeps the n first backups of the current week).
  • Type: natural integer.
  • Mandatory: no.
  • Default value: 0.

first_monthly

  • Definition: number of monthly backups to keep (keeps the n first backups of the current month).
  • Type: natural integer.
  • Mandatory: no.
  • Default value: 0.

encrypt

  • Definition: specifies if the backup should be encrypted. Encryption is performed with GnuPG, so make sure it’s properly installed on your system.
  • Type: boolean.
  • Mandatory: no.
  • Default value: false.

gnupg

  • Definition: GnuPG configuration.
  • Type: a list of the following parameters.
  • Mandatory: yes, if encrypt is set to true.

home

  • Definition: GnuPG home (where keys are stored).
  • Type: string.
  • Mandatory: no.
  • Default value: ~/.gnupg.

keyid

  • Definition: GnuPG key identifier (it could be the key id, user id, key comment…).
  • Type: string.
  • Mandatory: yes.

artifacts

  • Definition: specifies a list of files and folders to backup.
  • Type: a list of absolute or relative paths.
  • Mandatory: yes.

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