finallycoffee.base/roles/restic/templates/restic.service.j2

[Unit]
Description={{ restic_job_description }}

[Service]
Type=simple
User={{ restic_user }}
WorkingDirectory={{ restic_systemd_working_directory }}
SyslogIdentifier={{ restic_systemd_syslog_identifier }}

Environment=RESTIC_REPOSITORY={{ restic_repo_url }}
Environment=RESTIC_PASSWORD={{ restic_repo_password }}
{% if restic_s3_key_id and restic_s3_access_key %}
Environment=AWS_ACCESS_KEY_ID={{ restic_s3_key_id }}
Environment=AWS_SECRET_ACCESS_KEY={{ restic_s3_access_key }}
{% endif %}
{% if restic_unlock_before_backup | default(false) %}
ExecStartPre=-/bin/sh -c '/usr/bin/restic unlock'
{% endif %}

ExecStartPre=-/bin/sh -c '/usr/bin/restic snapshots || /usr/bin/restic init'
{% if restic_backup_pre_hook | default(false) %}
ExecStart=-{{ restic_backup_pre_hook }}
{% endif %}
{% if restic_backup_stdin_command %}
ExecStart=/bin/sh -c '{{ restic_backup_stdin_command }} | /usr/bin/restic backup --verbose --stdin --stdin-filename {{ restic_backup_stdin_command_filename }}'
{% else %}
ExecStart=/usr/bin/restic --verbose backup {{ restic_backup_paths | join(' ') }}
{% endif %}
ExecStartPost=/usr/bin/restic forget --prune --keep-within={{ restic_policy.keep_within }} --keep-hourly={{ restic_policy.hourly }} --keep-daily={{ restic_policy.daily }} --keep-weekly={{ restic_policy.weekly }} --keep-monthly={{ restic_policy.monthly }}
ExecStartPost=-/usr/bin/restic snapshots
{% if restic_backup_post_hook | default(false) %}
ExecStartPost=-{{ restic_backup_post_hook }}
{% endif %}
ExecStartPost=/usr/bin/restic check