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# Ansible Role: restic
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## Description
[Restic](https://github.com/restic/restic) is a versatile Go based backup
solution which supports multiple backends, deduplication and incremental
backups.
This role installs restic on a client, configures the backup repositories
and optionally sets up cronjobs to run said backups.
Aditionally, it will setup executable scripts to run a Backup manually.
<!-- ## Installation
```bash
ansible-galaxy install restic
``` -->
## Requirements
* bzip2
## Role Variables
| Name | Default | Description |
| -------------------- | ------------ | --------------------------------------------------------------------------- |
| `restic_version` | `'0.9.5'` | The version of Restic to install |
| `restic_install_dir` | `'/usr/bin'` | Install location for the restic binary |
| `restic_script_dir` | `'~/restic'` | Location of the generated backup scripts |
| `restic_repos` | `{}` | A dictionary of repositories where snapshots are stored |
| `restic_backups` | `[]` | A list of dictionaries specifying the files and directories to be backed up |
| `restic_create_cron` | `false` | Should a cronjob be created for each backup |
### Repos
Restic stores data in repositories. You have to specify at least one repository
to be able to use this role. A repository can be local or remote (see the
official [documentation](https://restic.readthedocs.io/en/stable/030_preparing_a_new_repo.html)).
> **Using an SFTP repository**
>
> For using an SFTP backend, the user needs passwordless access to the host.
> Please make sure to distribute ssh keys accordingly, as this is outside of
> the scope of this role.
Available variables:
| Name | Required | Description |
| ---------- |:--------:| --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `location` | yes | The location of the Backend. Currently, [Local](https://restic.readthedocs.io/en/stable/030_preparing_a_new_repo.html#local) and [SFTP](https://restic.readthedocs.io/en/stable/030_preparing_a_new_repo.html#sftp) are supported |
| `password` | yes | The password used to secure this repository |
Example:
```yaml
restic_repos:
local:
location: /srv/restic-repo
password: securepassword1
remote:
location: sftp:user@host:/srv/restic-repo
password: securepassword2
```
### Backups
A backup specifies a directory or file to be backuped. A backup is written to a
Repository defined in `restic_repos`.
Available variables:
| Name | Required | Description |
| ---------------- |:-----------------------------:| ----------------------------------------------------------------------------------------------------------------------- |
| `name` | yes | The name of this backup. Used together with pruning and needs to be unique. |
| `src` | yes | The source directory or file |
| `stdin` | no | Is this backup created from a [stdin](https://restic.readthedocs.io/en/stable/040_backup.html#reading-data-from-stdin)? |
| `stdin_cmd` | no (yes if `stdin` == `true`) | The command to produce the stdin. |
| `stdin_filename` | no | The filename used in the repository. |
| `tags` | no | Array of default tags |
| `keep-last` | no | If set, only keeps the last n snapshots. |
## Dependencies
none
## Example Playbook
```yml
- hosts: all
roles:
- restic
```
## Author
- Matthias Leutenegger
## License
This project is under the MIT License. See the [LICENSE](https://sbaerlo.ch/licence) file for the full license text.
## Copyright
(c) 2019, Arillso