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Ansible Role: BorgBackup
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========================
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Set up encrypted, compressed and deduplicated backups using [BorgBackup](https://borgbackup.readthedocs.io/en/stable/) and [Borgmatic](https://github.com/witten/borgmatic).
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Works great with [BorgBase.com](https://www.borgbase.com) - Simple and Secure Hosting for your Borg Repositories. To manage BorgBase repos via Ansible, also see Andy Hawkins' [BorgBase Collection](https://galaxy.ansible.com/adhawkins/borgbase).
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**Main features**
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- Install Borg and Borgmatic from Debian package repositories
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- Set up Borgmatic config and bash completition
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- Schedule regular backups using Cron
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- Export borg repo keys to localhost
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- Optional: Setup borgbase.com SSH key and repository via API
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## Example playbook with Cron timer and borgbase.com repository enabled
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```YAML
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- hosts: all
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roles:
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- role: ansible-role-borgbackup
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borgbase: true
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borgbase_api_key: abcd1234
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borg_encryption_passphrase: CHANGEME
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borg_repository:
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- path: ssh://xxxxxx@xxxxxx.repo.borgbase.com/./repo
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label: borgbase
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borg_source_directories:
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- /var/www
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borgmatic_hooks:
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before_backup:
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- echo "`date` - Starting backup."
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postgresql_databases:
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- name: users
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hostname: database1.example.org
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port: 5433
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```
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## Installation
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Clone latest version from Git
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```Shell
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$ git clone https://git.systemausfall.org/senselab/ansible-role-borgbackup.git roles/ansible_role_borgbackup
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```
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## Role Variables
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### Required Variables
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- `borg_repository.path`: Full path to repository.
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- `borg_repository.label`: A label for this repository.
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### Optional Variables
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#### Borg Variables
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- `borg_encryption_passcommand`: The standard output of this command is used to unlock the encryption key.
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- `borg_encryption_passphrase`: Password to use for repokey or keyfile. Empty if repo is unencrypted.
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- `borg_exclude_from`: Read exclude patterns from one or more separate named files, one pattern per line.
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- `borg_exclude_patterns`: Paths or patterns to exclude from backup. See [official documentation](https://borgbackup.readthedocs.io/en/stable/usage/help.html#borg-help-patterns) for more.
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- `borg_key_export_path`: Path to save borg key backups.
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- `borg_lock_wait_time`: Config maximum seconds to wait for acquiring a repository/cache lock. Defaults to 5 seconds.
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- `borg_one_file_system`: Don't cross file-system boundaries. Defaults to `true`
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- `borg_remote_path`: Path to the borg executable on the remote. It will default to `borg`.
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- `borg_remote_rate_limit`: Remote network upload rate limit in kiBytes/second.
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- `borg_retention_policy`: Retention policy for how many backups to keep in each category (daily, weekly, monthly, etc).
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- `borg_source_directories`: List of local folders to back up. Default is `/etc/hostname` to prevent an empty backup.
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- `borg_ssh_key_name`: Name of the SSH public and pivate key. Default `id_ed25519`
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- `borg_ssh_key_file_path`: SSH-key to be used. Default `~/.ssh/{{ borg_ssh_key_name }}`
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- `borg_ssh_key_type`: The algorithm used to generate the SSH private key. Choose: `rsa`, `dsa`, `rsa1`, `ecdsa`, `ed25519`. Default: `ed25519`
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- `borg_ssh_command`: Command to use instead of just "ssh". This can be used to specify SSH options.
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#### Borgbase Variables
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- `borgbase_api_key`: API key to interact with borgbase.com`
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- `borgbase_ssh_key_name`: How to name your SSH key at borgbase.com. Default to `backup_{{ inventory_hostname }}`.
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#### Borgmatic variables
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- `borgmatic_check_last`: Number of archives to check. Defaults to `3`
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- `borgmatic_checks`: List of consistency checks. Defaults to monthly checks. See [docs](https://torsion.org/borgmatic/docs/how-to/deal-with-very-large-backups/#check-frequency) for all options.
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- `borgmatic_config_name`: Name to use for the Borgmatic config file. Defaults to `config.yaml`
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- `borgmatic_timer_hour`: Hour when regular create and prune cron/systemd-timer job will run. Defaults to `{{ 6 | random }}`
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- `borgmatic_timer_minute`: Minute when regular create and prune cron/systemd-timer job will run. Defaults to `{{ 59 | random }}`
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- `borgmatic_hooks`: Hooks to monitor your backups e.g. with [Healthchecks](https://healthchecks.io/). See [official documentation](https://torsion.org/borgmatic/docs/how-to/monitor-your-backups/) for more.
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- `borgmatic_relocated_repo_access_is_ok`: Bypass Borg error about a repository that has been moved. Defaults to `false`
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- `borgmatic_store_atime`: Store atime into archive. Defaults to `true`
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- `borgmatic_store_ctime`: Store ctime into archive. Defaults to `true`
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- `borgmatic_version`: Force a specific borgmatic version to be installed
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#### Misc Variables
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- `ssh_config_path`: Path of you SSH config file. Defaults to `/root/.ssh/config`.
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