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66 lines
3.1 KiB
66 lines
3.1 KiB
#jinja2: lstrip_blocks: "True"
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[Unit]
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Description=Matrix Borg Backup
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{% for service in matrix_backup_borg_systemd_required_services_list %}
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Requires={{ service }}
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After={{ service }}
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{% endfor %}
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{% for service in matrix_backup_borg_systemd_wanted_services_list %}
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Wants={{ service }}
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{% endfor %}
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DefaultDependencies=no
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[Service]
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Type=oneshot
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Environment="HOME={{ devture_systemd_docker_base_systemd_unit_home_path }}"
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ExecStartPre=-{{ devture_systemd_docker_base_host_command_sh }} -c '{{ devture_systemd_docker_base_host_command_docker }} kill matrix-backup-borg 2>/dev/null || true'
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ExecStartPre=-{{ devture_systemd_docker_base_host_command_sh }} -c '{{ devture_systemd_docker_base_host_command_docker }} rm matrix-backup-borg 2>/dev/null || true'
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ExecStartPre=-{{ devture_systemd_docker_base_host_command_docker }} run --rm --name matrix-backup-borg \
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--log-driver=none \
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--cap-drop=ALL \
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--read-only \
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--user={{ matrix_user_uid }}:{{ matrix_user_gid }} \
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--network={{ matrix_docker_network }} \
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--tmpfs=/tmp:rw,noexec,nosuid,size=100m \
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--mount type=bind,src={{ matrix_backup_borg_config_path }}/passwd,dst=/etc/passwd,ro \
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--mount type=bind,src={{ matrix_backup_borg_config_path }},dst=/etc/borgmatic.d,ro \
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{% for source in matrix_backup_borg_location_source_directories %}
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--mount type=bind,src={{ source }},dst={{ source }},ro \
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{% endfor %}
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{% for arg in matrix_backup_borg_container_extra_arguments %}
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{{ arg }} \
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{% endfor %}
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{{ matrix_backup_borg_docker_image }} \
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sh -c "borgmatic rcreate --encryption {{ matrix_backup_borg_encryption }}"
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# The `CAP_DAC_OVERRIDE` capability is required, so that `root` in the container
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# can read the `/etc/borgmatic.d/config.yaml` (`{{ matrix_backup_borg_config_path }}/config.yaml`) file,
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# owned by `matrix:matrix` on the filesystem.
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#
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# `/root` is mountes as temporary filesystem, because we're using `--read-only` and because
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# Borgmatic tries to write to at least a few paths under `/root` (`.config`, `.ssh`, `.borgmatic`).
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ExecStart={{ devture_systemd_docker_base_host_command_docker }} run --rm --name matrix-backup-borg \
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--log-driver=none \
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--cap-drop=ALL \
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--cap-add=CAP_DAC_OVERRIDE \
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--read-only \
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--network={{ matrix_docker_network }} \
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--tmpfs=/root:rw,noexec,nosuid,size=100m \
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--tmpfs=/tmp:rw,noexec,nosuid,size=100m \
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--mount type=bind,src={{ matrix_backup_borg_config_path }}/passwd,dst=/etc/passwd,ro \
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--mount type=bind,src={{ matrix_backup_borg_config_path }},dst=/etc/borgmatic.d,ro \
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{% for source in matrix_backup_borg_location_source_directories %}
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--mount type=bind,src={{ source }},dst={{ source }},ro \
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{% endfor %}
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{% for arg in matrix_backup_borg_container_extra_arguments %}
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{{ arg }} \
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{% endfor %}
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{{ matrix_backup_borg_docker_image }}
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ExecStop=-{{ devture_systemd_docker_base_host_command_sh }} -c '{{ devture_systemd_docker_base_host_command_docker }} kill matrix-backup-borg 2>/dev/null || true'
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ExecStop=-{{ devture_systemd_docker_base_host_command_sh }} -c '{{ devture_systemd_docker_base_host_command_docker }} rm matrix-backup-borg 2>/dev/null || true'
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SyslogIdentifier=matrix-backup-borg
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[Install]
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WantedBy=multi-user.target
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