libretic/ansible_role_restic
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Add option to limit maximum number of CPUs used.

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jochen 2023-06-30 23:42:27 +02:00
parent 1d7ba78515
commit f283f55288
3 changed files with 30 additions and 19 deletions
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40
README.md
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@ -65,25 +65,27 @@ ansible-galaxy install do1jlr.restic
## Role Variables
| Name | Default | Description |
| ---------------------- | ----------------------------------- | --------------------------------------------------------------------------- |
| `restic_url` | `undefined` | The URL to download restic from. Use this variable to overwrite the default |
| `restic_version` | `'0.15.1'` | The version of Restic to install |
| `restic_download_path` | `'/opt/restic'` | Download location for the restic binary |
| `restic_install_path` | `'/usr/local/bin'` | Install location for the restic binary |
| `restic_script_dir` | `'/opt/restic'` | Location of the generated backup scripts |
| `restic_log_dir` | `'{{ restic_script_dir }}/log'` | Location of the logs of the backup scripts |
| `restic_repos` | `{}` | A dictionary of repositories where snapshots are stored. *(More Info: [Repos](#Repos))* |
| `restic_backups` | `{}` (or `[]`) | A list of dictionaries specifying the files and directories to be backed up *(More Infos: [Backups](#Backups))* |
|`restic_create_schedule`| `false` | Should we schedule each backup. Either via cronjob or via systemd timer.|
| `restic_schedule_type` | `systemd` | Here you can define if we create a ``cronjob`` or a ``systemd`` timer. If it fails to create a systemd timer, a cronjob will be created. |
| `restic_dir_owner` | `'{{ansible_user}}'` | The owner of all created dirs |
| `restic_dir_group` | `'{{ansible_user}}'` | The group of all created dirs |
| `restic_no_log` | `true` | set to false to see hidden ansible logs |
| `restic_do_not_cleanup_cron ` | `false` | we changed the cron location and clean up the old one. You can skip the cleanup here |
| `restic__cache_config` | `false` | configure custom cache directory |
| `restic__cache_dir` | `'~/.cache/restic'` | define custom cache directory |
|`submodules_versioncheck`| `false` | if you set this variable to true, the role will run a [simple versionscheck](tasks/versioncheck.yml) to prevent running older versions of this role. |
| Name | Default | Description |
| ---------------------- | ----------------------------------- | --------------------------------------------------------------------------- |
| `restic_url` | `undefined` | The URL to download restic from. Use this variable to overwrite the default |
| `restic_version` | `'0.15.1'` | The version of Restic to install |
| `restic_download_path` | `'/opt/restic'` | Download location for the restic binary |
| `restic_install_path` | `'/usr/local/bin'` | Install location for the restic binary |
| `restic_script_dir` | `'/opt/restic'` | Location of the generated backup scripts |
| `restic_log_dir` | `'{{ restic_script_dir }}/log'` | Location of the logs of the backup scripts |
| `restic_repos` | `{}` | A dictionary of repositories where snapshots are stored. *(More Info: [Repos](#Repos))* |
| `restic_backups` | `{}` (or `[]`) | A list of dictionaries specifying the files and directories to be backed up *(More Infos: [Backups](#Backups))* |
|`restic_create_schedule` | `false` | Should we schedule each backup? Either via cronjob or via systemd timer. |
| `restic_schedule_type` | `systemd` | Here you can define if we create a ``cronjob`` or a ``systemd`` timer. If it fails to create a systemd timer, a cronjob will be created. |
| `restic_dir_owner` | `'{{ansible_user}}'` | The owner of all created dirs |
| `restic_dir_group` | `'{{ansible_user}}'` | The group of all created dirs |
| `restic_no_log` | `true` | Set to false to see hidden ansible logs |
| `restic_do_not_cleanup_cron ` | `false` | We changed the cron location and clean up the old one. You can skip the cleanup here |
| `restic__cache_config` | `false` | Configure custom cache directory |
| `restic__cache_dir` | `'~/.cache/restic'` | Define custom cache directory |
|`submodules_versioncheck` | `false` | If you set this variable to true, the role will run a [simple versionscheck](tasks/versioncheck.yml) to prevent running older versions of this role. |
| `restic__limit_cpu_usage` | `false` | Should CPU usage be limited? |
| `restic__max_cpus` | `1` | Maximum number of CPUs that can be used simultaneously |
### Repos
Restic stores data in repositories. You have to specify at least one repository

4
defaults/main.yml
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@ -27,5 +27,9 @@ restic_do_not_cleanup_cron: false
restic__cache_config: false
restic__cache_dir: '~/.cache/restic'
# limit maximum number of CPUs that can be used simultaneously
restic__limit_cpu_usage: false
restic__max_cpus: 1
# outdated variables because of irritating names, but kept for compatibility
restic_create_cron: false

5
templates/restic_script_Linux.j2
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@ -40,6 +40,11 @@ fi
export XDG_CACHE_HOME={{ restic__cache_dir }}
{% endif %}
{% if restic__limit_cpu_usage | bool -%}
# Maximum number of CPUs used by restic is limited to {{ restic__max_cpus }}
export GOMAXPROCS={{ restic__max_cpus }}
{% endif %}
export RESTIC_REPOSITORY={{ restic_repos[item.repo].location }}
export RESTIC_PASSWORD='{{ restic_repos[item.repo].password | regex_replace('\'', '\'\\\'\'') }}'
BACKUP_NAME={{ item.name }}