add exlclude patterns

roles/matrix-backup-borg/defaults/main.yml

@@ -28,6 +28,13 @@ matrix_backup_borg_schedule: "*-*-* 04:00:00"
 # what directory should be added to backup
 matrix_backup_borg_source: "{{ matrix_base_data_path }}"
 
+# exclude following paths:
+matrix_backup_borg_exclude:
+  - "{{ matrix_synapse_media_store_path }}/local_thumbnails"
+  - "{{ matrix_synapse_media_store_path }}/remote_thumbnail"
+  - "{{ matrix_synapse_media_store_path }}/url_cache"
+  - "{{ matrix_synapse_media_store_path }}/url_cache_thumbnails"
+
 # borg encryption mode, only repokey-* is supported
 matrix_backup_borg_encryption: repokey-blake2
 

roles/matrix-backup-borg/templates/config.yaml.j2

@@ -2,10 +2,14 @@
 
 location:
   source_directories:
-  - /matrix
+  - {{ matrix_backup_borg_source }}
   repositories:
   - {{ matrix_backup_borg_repository }}
   one_file_system: true
+  exclude_patterns:
+  {% for pattern in matrix_backup_borg_exclude %}
+  - {{ pattern }}
+  {% endfor %}
 
 storage:
   compression: {{ matrix_backup_borg_compression }}

roles/matrix-backup-borg/templates/systemd/matrix-backup-borg.service.j2

@@ -23,7 +23,7 @@ ExecStartPre=-{{ matrix_host_command_docker }} run --rm --name matrix-backup-bor
 			--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_source }},dst=/matrix,ro \
+			--mount type=bind,src={{ matrix_backup_borg_source }},dst={{ matrix_backup_borg_source }},ro \
 			--mount type=bind,src={{ matrix_backup_borg_config_path }},dst=/etc/borgmatic.d,ro \
 			{% for arg in matrix_backup_borg_container_extra_arguments %}
 			{{ arg }} \