#jinja2: lstrip_blocks: "True"

{% set generic_workers = matrix_synapse_reverse_proxy_companion_synapse_workers_list | selectattr('type', 'equalto', 'generic_worker') | list %}
{% set stream_writer_typing_stream_workers = matrix_synapse_reverse_proxy_companion_synapse_workers_list | selectattr('type', 'equalto', 'stream_writer') | selectattr('stream_writer_stream', 'equalto', 'typing') | list %}
{% set stream_writer_to_device_stream_workers = matrix_synapse_reverse_proxy_companion_synapse_workers_list | selectattr('type', 'equalto', 'stream_writer') | selectattr('stream_writer_stream', 'equalto', 'to_device') | list %}
{% set stream_writer_account_data_stream_workers = matrix_synapse_reverse_proxy_companion_synapse_workers_list | selectattr('type', 'equalto', 'stream_writer') | selectattr('stream_writer_stream', 'equalto', 'account_data') | list %}
{% set stream_writer_receipts_stream_workers = matrix_synapse_reverse_proxy_companion_synapse_workers_list | selectattr('type', 'equalto', 'stream_writer') | selectattr('stream_writer_stream', 'equalto', 'receipts') | list %}
{% set stream_writer_presence_stream_workers = matrix_synapse_reverse_proxy_companion_synapse_workers_list | selectattr('type', 'equalto', 'stream_writer') | selectattr('stream_writer_stream', 'equalto', 'presence') | list %}
{% set media_repository_workers = matrix_synapse_reverse_proxy_companion_synapse_workers_list | selectattr('type', 'equalto', 'media_repository') | list %}
{% set user_dir_workers = matrix_synapse_reverse_proxy_companion_synapse_workers_list | selectattr('type', 'equalto', 'user_dir') | list %}

{% macro render_worker_upstream(name, workers) %}
{% if workers | length > 0 %}
	upstream {{ name }} {
		{% for worker in workers %}
			server "{{ worker.name }}:{{ worker.port }}";
		{% endfor %}
	}
{% endif %}
{% endmacro %}

{% macro render_locations_to_upstream(locations, upstream_name) %}
	{% for location in locations %}
	location ~ {{ location }} {
		proxy_pass http://{{ upstream_name }}$request_uri;
		proxy_set_header Host $host;
	}
	{% endfor %}
{% endmacro %}

{% if matrix_synapse_reverse_proxy_companion_synapse_workers_enabled %}
	{% if matrix_synapse_reverse_proxy_companion_synapse_cache_enabled %}
    	proxy_cache_path  {{ matrix_synapse_reverse_proxy_companion_synapse_cache_path }} levels=1:2 keys_zone={{ matrix_synapse_reverse_proxy_companion_synapse_cache_keys_zone_name }}:{{ matrix_synapse_reverse_proxy_companion_synapse_cache_keys_zone_size }} inactive={{ matrix_synapse_reverse_proxy_companion_synapse_cache_inactive_time }} max_size={{ matrix_synapse_reverse_proxy_companion_synapse_cache_max_size_mb }}m;
	{% endif %}
	# Round Robin "upstream" pools for workers

	{% if generic_workers |length > 0 %}
	upstream generic_workers_upstream {
		# ensures that requests from the same client will always be passed
		# to the same server (except when this server is unavailable)
		hash $http_x_forwarded_for;

		{% for worker in generic_workers %}
			server "{{ worker.name }}:{{ worker.port }}";
		{% endfor %}
	}
	{% endif %}

	{{ render_worker_upstream('stream_writer_typing_stream_workers_upstream', stream_writer_typing_stream_workers) }}
	{{ render_worker_upstream('stream_writer_to_device_stream_workers_upstream', stream_writer_to_device_stream_workers) }}
	{{ render_worker_upstream('stream_writer_account_data_stream_workers_upstream', stream_writer_account_data_stream_workers) }}
	{{ render_worker_upstream('stream_writer_receipts_stream_workers_upstream', stream_writer_receipts_stream_workers) }}
	{{ render_worker_upstream('stream_writer_presence_stream_workers_upstream', stream_writer_presence_stream_workers) }}

	{{ render_worker_upstream('media_repository_workers_upstream', media_repository_workers) }}

	{{ render_worker_upstream('user_dir_workers_upstream', user_dir_workers) }}
{% endif %}

server {
	listen 8008;
	server_name {{ matrix_synapse_reverse_proxy_companion_hostname }};

	server_tokens off;
	root /dev/null;

	gzip on;
	gzip_types text/plain application/json;

	{% if matrix_synapse_reverse_proxy_companion_synapse_workers_enabled %}
		{# Workers redirects BEGIN #}

		{% if generic_workers | length > 0 %}
			# https://matrix-org.github.io/synapse/latest/workers.html#synapseappgeneric_worker
			{{ render_locations_to_upstream(matrix_synapse_reverse_proxy_companion_synapse_generic_worker_client_server_locations, 'generic_workers_upstream') }}
		{% endif %}

		{% if stream_writer_typing_stream_workers | length > 0 %}
			# https://matrix-org.github.io/synapse/latest/workers.html#the-typing-stream
			{{ render_locations_to_upstream(matrix_synapse_reverse_proxy_companion_synapse_stream_writer_typing_stream_worker_client_server_locations, 'stream_writer_typing_stream_workers_upstream') }}
		{% endif %}

		{% if stream_writer_to_device_stream_workers | length > 0 %}
			# https://matrix-org.github.io/synapse/latest/workers.html#the-to_device-stream
			{{ render_locations_to_upstream(matrix_synapse_reverse_proxy_companion_synapse_stream_writer_to_device_stream_worker_client_server_locations, 'stream_writer_to_device_stream_workers_upstream') }}
		{% endif %}

		{% if stream_writer_account_data_stream_workers | length > 0 %}
			# https://matrix-org.github.io/synapse/latest/workers.html#the-account_data-stream
			{{ render_locations_to_upstream(matrix_synapse_reverse_proxy_companion_synapse_stream_writer_account_data_stream_worker_client_server_locations, 'stream_writer_account_data_stream_workers_upstream') }}
		{% endif %}

		{% if stream_writer_receipts_stream_workers | length > 0 %}
			# https://matrix-org.github.io/synapse/latest/workers.html#the-receipts-stream
			{{ render_locations_to_upstream(matrix_synapse_reverse_proxy_companion_synapse_stream_writer_receipts_stream_worker_client_server_locations, 'stream_writer_receipts_stream_workers_upstream') }}
		{% endif %}

		{% if stream_writer_presence_stream_workers | length > 0 %}
			# https://matrix-org.github.io/synapse/latest/workers.html#the-presence-stream
			{{ render_locations_to_upstream(matrix_synapse_reverse_proxy_companion_synapse_stream_writer_presence_stream_worker_client_server_locations, 'stream_writer_presence_stream_workers_upstream') }}
		{% endif %}

		{% if media_repository_workers | length > 0 %}
			# https://matrix-org.github.io/synapse/latest/workers.html#synapseappmedia_repository
			{% for location in matrix_synapse_reverse_proxy_companion_synapse_media_repository_locations %}
			location ~ {{ location }} {
				proxy_pass http://media_repository_workers_upstream$request_uri;
				proxy_set_header Host $host;

				client_body_buffer_size 25M;
				client_max_body_size {{ matrix_synapse_reverse_proxy_companion_client_api_client_max_body_size_mb }}M;
				proxy_max_temp_file_size 0;

				{% if matrix_synapse_reverse_proxy_companion_synapse_cache_enabled %}
					proxy_buffering        on;
					proxy_cache            {{ matrix_synapse_reverse_proxy_companion_synapse_cache_keys_zone_name }};
					proxy_cache_valid      any {{ matrix_synapse_reverse_proxy_companion_synapse_cache_proxy_cache_valid_time }};
					proxy_force_ranges on;
					add_header X-Cache-Status $upstream_cache_status;
				{% endif %}
			}
			{% endfor %}
		{% endif %}

		{% if user_dir_workers | length > 0 %}
			# https://matrix-org.github.io/synapse/latest/workers.html#updating-the-user-directory
			{{ render_locations_to_upstream(matrix_synapse_reverse_proxy_companion_synapse_user_dir_locations, 'user_dir_workers_upstream') }}
		{% endif %}
		{# Workers redirects END #}
	{% endif %}

	{% for configuration_block in matrix_synapse_reverse_proxy_companion_synapse_client_api_additional_server_configuration_blocks %}
		{{- configuration_block }}
	{% endfor %}

	{# Everything else just goes to the API server ##}
	location / {
		{# Use the embedded DNS resolver in Docker containers to discover the service #}
		resolver {{ matrix_synapse_reverse_proxy_companion_http_level_resolver }} valid=5s;
		set $backend "{{ matrix_synapse_reverse_proxy_companion_client_api_addr }}";
		proxy_pass http://$backend;

		proxy_set_header Host $host;

		client_body_buffer_size 25M;
		client_max_body_size {{ matrix_synapse_reverse_proxy_companion_client_api_client_max_body_size_mb }}M;
		proxy_max_temp_file_size 0;
	}
}

{% if matrix_synapse_reverse_proxy_companion_federation_api_enabled %}
server {
	listen 8048;
	server_name {{ matrix_synapse_reverse_proxy_companion_hostname }};

	server_tokens off;

	root /dev/null;

	gzip on;
	gzip_types text/plain application/json;

	{% if matrix_synapse_reverse_proxy_companion_synapse_workers_enabled %}
		{% if generic_workers | length > 0 %}
			# https://matrix-org.github.io/synapse/latest/workers.html#synapseappgeneric_worker
			{{ render_locations_to_upstream(matrix_synapse_reverse_proxy_companion_synapse_generic_worker_federation_locations, 'generic_workers_upstream') }}
		{% endif %}
		{% if media_repository_workers | length > 0 %}
			# https://matrix-org.github.io/synapse/latest/workers.html#synapseappmedia_repository
			{% for location in matrix_synapse_reverse_proxy_companion_synapse_media_repository_locations %}
			location ~ {{ location }} {
				proxy_pass http://media_repository_workers_upstream$request_uri;
				proxy_set_header Host $host;

				client_body_buffer_size 25M;
				client_max_body_size {{ matrix_synapse_reverse_proxy_companion_federation_api_client_max_body_size_mb }}M;
				proxy_max_temp_file_size 0;

				{% if matrix_synapse_reverse_proxy_companion_synapse_cache_enabled %}
					proxy_buffering        on;
					proxy_cache            {{ matrix_synapse_reverse_proxy_companion_synapse_cache_keys_zone_name }};
					proxy_cache_valid      any  {{ matrix_synapse_reverse_proxy_companion_synapse_cache_proxy_cache_valid_time }};
					proxy_force_ranges on;
					add_header X-Cache-Status $upstream_cache_status;
				{% endif %}
			}
			{% endfor %}
		{% endif %}
	{% endif %}

	{% for configuration_block in matrix_synapse_reverse_proxy_companion_synapse_federation_api_additional_server_configuration_blocks %}
		{{- configuration_block }}
	{% endfor %}

	location / {
		{# Use the embedded DNS resolver in Docker containers to discover the service #}
		resolver {{ matrix_synapse_reverse_proxy_companion_http_level_resolver }} valid=5s;
		set $backend "{{ matrix_synapse_reverse_proxy_companion_federation_api_addr }}";
		proxy_pass http://$backend;

		proxy_set_header Host $host;

		client_body_buffer_size 25M;
		client_max_body_size {{ matrix_synapse_reverse_proxy_companion_federation_api_client_max_body_size_mb }}M;
		proxy_max_temp_file_size 0;
	}
}
{% endif %}