diff --git a/roles/custom/matrix-backup-borg/defaults/main.yml b/roles/custom/matrix-backup-borg/defaults/main.yml index 472abe976..8a261d47b 100644 --- a/roles/custom/matrix-backup-borg/defaults/main.yml +++ b/roles/custom/matrix-backup-borg/defaults/main.yml @@ -20,6 +20,9 @@ matrix_backup_borg_docker_image_force_pull: "{{ matrix_backup_borg_docker_image. # A list of extra arguments to pass to the container matrix_backup_borg_container_extra_arguments: [] + +matrix_backup_borg_remote_version: "2" + # List of systemd services that matrix-backup-borg.service depends on matrix_backup_borg_systemd_required_services_list: ['docker.service'] diff --git a/roles/custom/matrix-backup-borg/tasks/setup_install.yml b/roles/custom/matrix-backup-borg/tasks/setup_install.yml index 647aabf40..ffee655b9 100644 --- a/roles/custom/matrix-backup-borg/tasks/setup_install.yml +++ b/roles/custom/matrix-backup-borg/tasks/setup_install.yml @@ -95,7 +95,7 @@ - name: Ensure matrix-backup-borg.service installed ansible.builtin.template: - src: "{{ role_path }}/templates/systemd/matrix-backup-borg.service.j2" + src: "{{ role_path }}/templates/systemd/matrix-backup-borg-{{ matrix_backup_borg_remote_version }}.service.j2" dest: "{{ devture_systemd_docker_base_systemd_path }}/matrix-backup-borg.service" mode: 0644 register: matrix_backup_borg_systemd_service_result diff --git a/roles/custom/matrix-backup-borg/templates/systemd/matrix-backup-borg-1.service.j2 b/roles/custom/matrix-backup-borg/templates/systemd/matrix-backup-borg-1.service.j2 new file mode 100644 index 000000000..e76103229 --- /dev/null +++ b/roles/custom/matrix-backup-borg/templates/systemd/matrix-backup-borg-1.service.j2 @@ -0,0 +1,65 @@ +#jinja2: lstrip_blocks: "True" +[Unit] +Description=Matrix Borg Backup +{% for service in matrix_backup_borg_systemd_required_services_list %} +Requires={{ service }} +After={{ service }} +{% endfor %} +{% for service in matrix_backup_borg_systemd_wanted_services_list %} +Wants={{ service }} +{% endfor %} +DefaultDependencies=no + +[Service] +Type=oneshot +Environment="HOME={{ devture_systemd_docker_base_systemd_unit_home_path }}" +ExecStartPre=-{{ devture_systemd_docker_base_host_command_sh }} -c '{{ devture_systemd_docker_base_host_command_docker }} kill matrix-backup-borg 2>/dev/null || true' +ExecStartPre=-{{ devture_systemd_docker_base_host_command_sh }} -c '{{ devture_systemd_docker_base_host_command_docker }} rm matrix-backup-borg 2>/dev/null || true' +ExecStartPre=-{{ devture_systemd_docker_base_host_command_docker }} run --rm --name matrix-backup-borg \ + --log-driver=none \ + --cap-drop=ALL \ + --read-only \ + --user={{ matrix_user_uid }}:{{ matrix_user_gid }} \ + --network={{ matrix_docker_network }} \ + --tmpfs=/tmp:rw,noexec,nosuid,size=100m \ + --mount type=bind,src={{ matrix_backup_borg_config_path }}/passwd,dst=/etc/passwd,ro \ + --mount type=bind,src={{ matrix_backup_borg_config_path }},dst=/etc/borgmatic.d,ro \ + {% for source in matrix_backup_borg_location_source_directories %} + --mount type=bind,src={{ source }},dst={{ source }},ro \ + {% endfor %} + {% for arg in matrix_backup_borg_container_extra_arguments %} + {{ arg }} \ + {% endfor %} + {{ matrix_backup_borg_docker_image }} \ + sh -c "borgmatic --init --encryption {{ matrix_backup_borg_encryption }}" + +# The `CAP_DAC_OVERRIDE` capability is required, so that `root` in the container +# can read the `/etc/borgmatic.d/config.yaml` (`{{ matrix_backup_borg_config_path }}/config.yaml`) file, +# owned by `matrix:matrix` on the filesystem. +# +# `/root` is mountes as temporary filesystem, because we're using `--read-only` and because +# Borgmatic tries to write to at least a few paths under `/root` (`.config`, `.ssh`, `.borgmatic`). +ExecStart={{ devture_systemd_docker_base_host_command_docker }} run --rm --name matrix-backup-borg \ + --log-driver=none \ + --cap-drop=ALL \ + --cap-add=CAP_DAC_OVERRIDE \ + --read-only \ + --network={{ matrix_docker_network }} \ + --tmpfs=/root:rw,noexec,nosuid,size=100m \ + --tmpfs=/tmp:rw,noexec,nosuid,size=100m \ + --mount type=bind,src={{ matrix_backup_borg_config_path }}/passwd,dst=/etc/passwd,ro \ + --mount type=bind,src={{ matrix_backup_borg_config_path }},dst=/etc/borgmatic.d,ro \ + {% for source in matrix_backup_borg_location_source_directories %} + --mount type=bind,src={{ source }},dst={{ source }},ro \ + {% endfor %} + {% for arg in matrix_backup_borg_container_extra_arguments %} + {{ arg }} \ + {% endfor %} + {{ matrix_backup_borg_docker_image }} + +ExecStop=-{{ devture_systemd_docker_base_host_command_sh }} -c '{{ devture_systemd_docker_base_host_command_docker }} kill matrix-backup-borg 2>/dev/null || true' +ExecStop=-{{ devture_systemd_docker_base_host_command_sh }} -c '{{ devture_systemd_docker_base_host_command_docker }} rm matrix-backup-borg 2>/dev/null || true' +SyslogIdentifier=matrix-backup-borg + +[Install] +WantedBy=multi-user.target diff --git a/roles/custom/matrix-backup-borg/templates/systemd/matrix-backup-borg.service.j2 b/roles/custom/matrix-backup-borg/templates/systemd/matrix-backup-borg-2.service.j2 similarity index 100% rename from roles/custom/matrix-backup-borg/templates/systemd/matrix-backup-borg.service.j2 rename to roles/custom/matrix-backup-borg/templates/systemd/matrix-backup-borg-2.service.j2