Define matrix_synapse_reverse_proxy_companion_access_log_syslog_integration_server_port in the role defaults and make the tag configurable

roles/custom/matrix-synapse-reverse-proxy-companion/defaults/main.yml

@@ -131,6 +131,12 @@ matrix_synapse_reverse_proxy_companion_worker_connections: 1024
 # Option to disable the access log
 matrix_synapse_reverse_proxy_companion_access_log_enabled: true
 
+# Controls whether to send access logs to a remote syslog-compatible server
+matrix_synapse_reverse_proxy_companion_access_log_syslog_integration_enabled: false
+matrix_synapse_reverse_proxy_companion_access_log_syslog_integration_server_port: ''
+# This is intentionally different. The maximum allowed length is 32 characters and dashes are not allowed.
+matrix_synapse_reverse_proxy_companion_access_log_syslog_integration_tag: matrix_synapse_rev_proxy_comp
+
 # The tmpfs at /tmp needs to be large enough to handle multiple concurrent file uploads.
 matrix_synapse_reverse_proxy_companion_tmp_directory_size_mb: "{{ (matrix_synapse_reverse_proxy_companion_federation_api_client_max_body_size_mb | int) * 50 }}"
 matrix_synapse_reverse_proxy_companion_tmp_cache_directory_size_mb: "{{ (matrix_synapse_reverse_proxy_companion_synapse_cache_max_size_mb | int) * 2 }}"

roles/custom/matrix-synapse-reverse-proxy-companion/templates/nginx/nginx.conf.j2

@@ -47,7 +47,7 @@ http {
 								'$status "$http_referer" '
 								'"$http_user_agent" "$http_x_forwarded_for"';
 
-	access_log syslog:server={{ matrix_synapse_reverse_proxy_companion_access_log_syslog_integration_server_port }},tag=matrix_nginx_proxy_companion prometheus_fmt;
+	access_log syslog:server={{ matrix_synapse_reverse_proxy_companion_access_log_syslog_integration_server_port }},tag={{ matrix_synapse_reverse_proxy_companion_access_log_syslog_integration_tag }} prometheus_fmt;
 	{% endif %}
 
 	{% if not matrix_synapse_reverse_proxy_companion_access_log_enabled and not matrix_synapse_reverse_proxy_companion_access_log_syslog_integration_enabled %}