matrix-docker-ansible-deploy/roles/matrix-synapse/defaults/main.yml

# Synapse is a Matrix homeserver
# See: https://github.com/matrix-org/synapse

matrix_synapse_enabled: true

matrix_synapse_container_image_self_build: false
matrix_synapse_container_image_self_build_repo: "https://github.com/matrix-org/synapse.git"

matrix_synapse_docker_image: "{{ matrix_synapse_docker_image_name_prefix }}matrixdotorg/synapse:{{ matrix_synapse_docker_image_tag }}"
matrix_synapse_docker_image_name_prefix: "{{ 'localhost/' if matrix_synapse_container_image_self_build else 'docker.io/' }}"
# The if statement below may look silly at times (leading to the same version being returned),
# but ARM-compatible container images are only released 1-7 hours after a release,
# so we may often be on different versions for different architectures when new Synapse releases come out.
matrix_synapse_docker_image_tag: "{{ 'v1.26.0' if matrix_architecture == 'amd64' else 'v1.26.0' }}"
matrix_synapse_docker_image_force_pull: "{{ matrix_synapse_docker_image.endswith(':latest') }}"

matrix_synapse_base_path: "{{ matrix_base_data_path }}/synapse"
matrix_synapse_docker_src_files_path: "{{ matrix_synapse_base_path }}/docker-src"
matrix_synapse_config_dir_path: "{{ matrix_synapse_base_path }}/config"
matrix_synapse_storage_path: "{{ matrix_synapse_base_path }}/storage"
matrix_synapse_media_store_path: "{{ matrix_synapse_storage_path }}/media-store"
matrix_synapse_ext_path: "{{ matrix_synapse_base_path }}/ext"

# Controls whether the matrix-synapse container exposes the Client/Server API port (tcp/8008 in the container).
#
# Takes an "<ip>:<port>" or "<port>" value (e.g. "127.0.0.1:8008"), or empty string to not expose.
matrix_synapse_container_client_api_host_bind_port: ''

# Controls whether the matrix-synapse container exposes the plain (unencrypted) Server/Server (Federation) API port (tcp/8048 in the container).
#
# Takes effect only if federation is enabled (matrix_synapse_federation_enabled).
#
# Takes an "<ip>:<port>" or "<port>" value (e.g. "127.0.0.1:8048"), or empty string to not expose.
matrix_synapse_container_federation_api_plain_host_bind_port: ''

# Controls whether the matrix-synapse container exposes the tls (encrypted) Server/Server (Federation) API port (tcp/8448 in the container).
#
# Takes effect only if federation is enabled (matrix_synapse_federation_enabled)
# and TLS support is enabled (matrix_synapse_tls_federation_listener_enabled).
#
# Takes an "<ip>:<port>" or "<port>" value (e.g. "8448"), or empty string to not expose.
matrix_synapse_container_federation_api_tls_host_bind_port: ''

# Controls whether the matrix-synapse container exposes the metrics port (tcp/9100 in the container).
#
# Takes effect only if metrics are enabled (matrix_synapse_metrics_enabled).
#
# Takes an "<ip>:<port>" or "<port>" value (e.g. "127.0.0.1:9100"), or empty string to not expose.
matrix_synapse_container_metrics_api_host_bind_port: ''

# Controls whether the matrix-synapse container exposes the manhole port (tcp/9000 in the container).
#
# Takes effect only if the manhole is enabled (matrix_synapse_manhole_enabled).
#
# Takes an "<ip>:<port>" or "<port>" value (e.g. "127.0.0.1:9100"), or empty string to not expose.
matrix_synapse_container_manhole_api_host_bind_port: ''

# A list of extra arguments to pass to the container
matrix_synapse_container_extra_arguments: []

# List of systemd services that matrix-synapse.service depends on
matrix_synapse_systemd_required_services_list: ['docker.service']

# List of systemd services that matrix-synapse.service wants
matrix_synapse_systemd_wanted_services_list: []

matrix_synapse_in_container_python_packages_path: "/usr/local/lib/python3.8/site-packages"

# Specifies which template files to use when configuring Synapse.
# If you'd like to have your own different configuration, feel free to copy and paste
# the original files into your inventory (e.g. in `inventory/host_vars/<host>/`)
# and then change the specific host's `vars.yaml` file like this:
# matrix_synapse_template_synapse_homeserver: "{{ playbook_dir }}/inventory/host_vars/<host>/homeserver.yaml.j2"
matrix_synapse_template_synapse_homeserver: "{{ role_path }}/templates/synapse/homeserver.yaml.j2"
matrix_synapse_template_synapse_log: "{{ role_path }}/templates/synapse/synapse.log.config.j2"

matrix_synapse_macaroon_secret_key: ""
matrix_synapse_registration_shared_secret: "{{ matrix_synapse_macaroon_secret_key }}"
matrix_synapse_allow_guest_access: false
matrix_synapse_form_secret: "{{ matrix_synapse_macaroon_secret_key }}"

matrix_synapse_max_upload_size_mb: 50

# The tmpfs at /tmp needs to be large enough to handle multiple concurrent file uploads.
matrix_synapse_tmp_directory_size_mb: "{{ matrix_synapse_max_upload_size_mb * 50 }}"

# Log levels
# Possible options are defined here https://docs.python.org/3/library/logging.html#logging-levels
# warning: setting log level to DEBUG will make synapse log sensitive information such
# as access tokens.
#
# Increasing verbosity may lead to an excessive amount of log messages being generated,
# some of which may get dropped by systemd-journald on certain distributions (like CentOS 7).
# You can work around it by adding `RateLimitInterval=0` and `RateLimitBurst=0` under `[Storage]` in
# `/etc/systemd/journald.conf` and restarting the logging service (`systemctl restart systemd-journald`).
matrix_synapse_log_level: "WARNING"
matrix_synapse_storage_sql_log_level: "WARNING"
matrix_synapse_root_log_level: "WARNING"

# Rate limits
matrix_synapse_rc_message:
  per_second: 0.2
  burst_count: 10

matrix_synapse_rc_registration:
  per_second: 0.17
  burst_count: 3

matrix_synapse_rc_login:
  address:
    per_second: 0.17
    burst_count: 3
  account:
    per_second: 0.17
    burst_count: 3
  failed_attempts:
    per_second: 0.17
    burst_count: 3

matrix_synapse_rc_admin_redaction:
  per_second: 1
  burst_count: 50

matrix_synapse_rc_joins:
  local:
    per_second: 0.1
    burst_count: 3
  remote:
    per_second: 0.01
    burst_count: 3

matrix_synapse_rc_federation:
  window_size: 1000
  sleep_limit: 10
  sleep_delay: 500
  reject_limit: 50
  concurrent: 3

matrix_synapse_federation_rr_transactions_per_room_per_second: 50

# Controls whether the TLS federation listener is enabled (tcp/8448).
# Only makes sense if federation is enabled (`matrix_synapse_federation_enabled`).
# Note that federation may potentially be enabled as non-TLS on tcp/8048 as well.
# If you're serving Synapse behind an HTTPS-capable reverse-proxy,
# you can disable the TLS listener (`matrix_synapse_tls_federation_listener_enabled: false`).
matrix_synapse_tls_federation_listener_enabled: true
matrix_synapse_tls_certificate_path: "/data/{{ matrix_server_fqn_matrix }}.tls.crt"
matrix_synapse_tls_private_key_path: "/data/{{ matrix_server_fqn_matrix }}.tls.key"

# Resource names used by the unsecure HTTP listener. Here only the Client API
# is defined, see the homeserver config for a full list of valid resource
# names.
matrix_synapse_http_listener_resource_names: ["client"]

# Resources served on Synapse's federation port.
# When disabling federation, we may wish to serve the `openid` resource here,
# so that services like Dimension and ma1sd can work.
matrix_synapse_federation_listener_resource_names: "{{ ['federation'] if matrix_synapse_federation_enabled else (['openid'] if matrix_synapse_federation_port_openid_resource_required else []) }}"

# Enable this to allow Synapse to report utilization statistics about your server to matrix.org
# (things like number of users, number of messages sent, uptime, load, etc.)
matrix_synapse_report_stats: false

# Controls whether the Matrix server will track presence status (online, offline, unavailable) for users.
# If users participate in large rooms with many other servers,
# disabling this will decrease server load significantly.
matrix_synapse_use_presence: true

# Controls whether accessing the server's public rooms directory can be done without authentication.
# For private servers, you most likely wish to require authentication,
# unless you know what list of rooms you're publishing to the world and explicitly want to do it.
matrix_synapse_allow_public_rooms_without_auth: false

# Controls whether remote servers can fetch this server's public rooms directory via federation.
# For private servers, you most likely wish to forbid it.
matrix_synapse_allow_public_rooms_over_federation: false

# Controls whether people with access to the homeserver can register by themselves.
matrix_synapse_enable_registration: false

# reCAPTCHA API for validating registration attempts
matrix_synapse_enable_registration_captcha: false
matrix_synapse_recaptcha_public_key: ''
matrix_synapse_recaptcha_private_key: ''

# Allows non-server-admin users to create groups on this server
matrix_synapse_enable_group_creation: false

# A list of 3PID types which users must supply when registering (possible values: email, msisdn).
matrix_synapse_registrations_require_3pid: []

# A list of patterns 3pids must match in order to permit registration, e.g.:
#  - medium: email
#    pattern: '.*@example\.com'
#  - medium: msisdn
#    pattern: '\+44'
matrix_synapse_allowed_local_3pids: []

# The server to use for email threepid validation. When empty, Synapse does it by itself.
# Otherwise, this should be pointed to an identity server.
matrix_synapse_account_threepid_delegates_email: ''

# The server to use for phone number threepid validation. When empty, validation cannot happen, as Synapse doesn't support it.
# To make it work, this should be pointed to an identity server.
matrix_synapse_account_threepid_delegates_msisdn: ''

# Users who register on this homeserver will automatically be joined to these rooms.
# Rooms are to be specified using addresses (e.g. `#address:example.com`)
matrix_synapse_auto_join_rooms: []

# Controls whether auto-join rooms (`matrix_synapse_auto_join_rooms`) are to be created
# automatically if they don't already exist.
matrix_synapse_autocreate_auto_join_rooms: true

# Controls password-peppering for Synapse. Not to be changed after initial setup.
matrix_synapse_password_config_pepper: ""

# Controls if Synapse allows people to authenticate against its local database.
# It may be useful to disable this if you've configured additional password providers
# and only wish authentication to happen through them.
matrix_synapse_password_config_localdb_enabled: true

# Controls the number of events that Synapse caches in memory.
matrix_synapse_event_cache_size: "100K"

# Controls cache sizes for Synapse.
# Raise this to increase cache sizes or lower it to potentially lower memory use.
# To learn more, see:
# - https://github.com/matrix-org/synapse#help-synapse-eats-all-my-ram
# - https://github.com/matrix-org/synapse/issues/3939
matrix_synapse_caches_global_factor: 0.5

# Controls whether Synapse will federate at all.
# Disable this to completely isolate your server from the rest of the Matrix network.
#
# Disabling this still keeps the federation port exposed, because it may be used for other services (`openid`).
#
# Also see:
# - `matrix_synapse_tls_federation_listener_enabled` if you wish to keep federation enabled,
# but want to stop the TLS listener (port 8448).
# - `matrix_synapse_federation_port_enabled` to avoid exposing the federation ports
matrix_synapse_federation_enabled: true

# Controls whether the federation ports are used at all.
# One may wish to disable federation (`matrix_synapse_federation_enabled: true`),
# but still run other resources (like `openid`) on the federation port
# by enabling them in `matrix_synapse_federation_listener_resource_names`.
matrix_synapse_federation_port_enabled: "{{ matrix_synapse_federation_enabled or matrix_synapse_federation_port_openid_resource_required }}"

# Controls whether an `openid` listener is to be enabled. Useful when disabling federation,
# but needing the `openid` APIs for Dimension or an identity server like ma1sd.
matrix_synapse_federation_port_openid_resource_required: false

# A list of domain names that are allowed to federate with the given Synapse server.
# An empty list value (`[]`) will also effectively stop federation, but if that's the desired
# result, it's better to accomplish it by changing `matrix_synapse_federation_enabled`.
matrix_synapse_federation_domain_whitelist: ~

# A list of additional "volumes" to mount in the container.
# This list gets populated dynamically based on Synapse extensions that have been enabled.
# Contains definition objects like this: `{"src": "/outside", "dst": "/inside", "options": "rw|ro|slave|.."}
#
# Note: internally, this uses the `-v` flag for mounting the specified volumes.
# It's better (safer) to use the `--mount` flag for mounting volumes.
# To use `--mount`, specify it in `matrix_synapse_container_extra_arguments`.
# Example: `matrix_synapse_container_extra_arguments: ['--mount type=bind,src=/outside,dst=/inside,ro']
matrix_synapse_container_additional_volumes: []

# A list of additional loggers to register in synapse.log.config.
# This list gets populated dynamically based on Synapse extensions that have been enabled.
# Contains definition objects like this: `{"name": "..", "level": "DEBUG"}
matrix_synapse_additional_loggers: []

# A list of appservice config files (in-container filesystem paths).
# This list gets populated dynamically based on Synapse extensions that have been enabled.
# You may wish to use this together with `matrix_synapse_container_additional_volumes` or `matrix_synapse_container_extra_arguments`.
matrix_synapse_app_service_config_files: []

# This is set dynamically during execution depending on whether
# any password providers have been enabled or not.
matrix_synapse_password_providers_enabled: false

# Whether clients can request to include message content in push notifications
# sent through third party servers. Setting this to false requires mobile clients
# to load message content directly from the homeserver.
matrix_synapse_push_include_content: true

# If url previews should be generated. This will cause a request from Synapse to
# URLs shared by users.
matrix_synapse_url_preview_enabled: true

# Enable exposure of metrics to Prometheus
# See https://github.com/matrix-org/synapse/blob/master/docs/metrics-howto.md
matrix_synapse_metrics_enabled: false
matrix_synapse_metrics_port: 9100

# Enable the Synapse manhole
# See https://github.com/matrix-org/synapse/blob/master/docs/manhole.md
matrix_synapse_manhole_enabled: false

# Enable support for Synapse workers
matrix_synapse_workers_enabled: false

# Controls whether the matrix-synapse container exposes the various worker ports
# (see `port` and `metrics_port` in `matrix_synapse_workers_enabled_list`) outside of the container.
#
# Takes an "<ip>" value (e.g. "127.0.0.1", "0.0.0.0", etc), or empty string to not expose.
# It takes "*" to signify "bind on all interfaces" ("0.0.0.0" is IPv4-only).
matrix_synapse_workers_container_host_bind_address: ''

matrix_synapse_workers_generic_workers_count: 3
matrix_synapse_workers_generic_workers_port_range_start: 18111
matrix_synapse_workers_generic_workers_metrics_range_start: 19111

# matrix_synapse_workers_pusher_workers_count can only be 0 or 1. More instances are not supported.
matrix_synapse_workers_pusher_workers_count: 1
matrix_synapse_workers_pusher_workers_metrics_range_start: 19200

# matrix_synapse_workers_appservice_workers_count can only be 0 or 1. More instances are not supported.
matrix_synapse_workers_appservice_workers_count: 1
matrix_synapse_workers_appservice_workers_metrics_range_start: 19300

matrix_synapse_workers_federation_sender_workers_count: 1
matrix_synapse_workers_federation_sender_workers_metrics_range_start: 19400

matrix_synapse_workers_media_repository_workers_count: 1
matrix_synapse_workers_media_repository_workers_port_range_start: 18551
matrix_synapse_workers_media_repository_workers_metrics_range_start: 19551

# Disabled until https://github.com/matrix-org/synapse/issues/8787 is resolved.
matrix_synapse_workers_user_dir_workers_count: 0
matrix_synapse_workers_user_dir_workers_port_range_start: 18661
matrix_synapse_workers_user_dir_workers_metrics_range_start: 19661

matrix_synapse_workers_frontend_proxy_workers_count: 1
matrix_synapse_workers_frontend_proxy_workers_port_range_start: 18771
matrix_synapse_workers_frontend_proxy_workers_metrics_range_start: 19771

# Default list of workers to spawn.
#
# Unless you populate this manually, this list is dynamically generated
# based on other variables above:
# - `matrix_synapse_workers_*_workers_count`
# - `matrix_synapse_workers_*_workers_port_range_start`
# - `matrix_synapse_workers_*_workers_port_metrics_range_start`
#
# We advise that you use those variables and let this list be populated dynamically.
# Doing that is simpler and also protects you from shooting yourself in the foot,
# as certain workers can only be spawned just once.
#
# Example of what this needs to look like:
# matrix_synapse_workers_enabled_list:
#   - { type: generic_worker, port: 18111, metrics_port: 19111 }
#   - { type: generic_worker, port: 18112, metrics_port: 19112 }
#   - { type: generic_worker, port: 18113, metrics_port: 19113 }
#   - { type: generic_worker, port: 18114, metrics_port: 19114 }
#   - { type: generic_worker, port: 18115, metrics_port: 19115 }
#   - { type: generic_worker, port: 18116, metrics_port: 19116 }
#   - { type: pusher, port: 0, metrics_port: 19200 }
#   - { type: appservice, port: 0, metrics_port: 19300 }
#   - { type: federation_sender, port: 0, metrics_port: 19400 }
#   - { type: media_repository, port: 18551, metrics_port: 19551 }
matrix_synapse_workers_enabled_list: []

# Redis information
matrix_synapse_redis_enabled: false
matrix_synapse_redis_host: ""
matrix_synapse_redis_port: 6379
matrix_synapse_redis_password: ""

# Controls whether Synapse starts a replication listener necessary for workers.
#
# If Redis is available, we prefer to use that, instead of talking over Synapse's custom replication protocol.
#
# matrix_synapse_replication_listener_enabled: "{{ matrix_synapse_workers_enabled and not matrix_redis_enabled }}"
# We force-enable this listener for now until we debug why communication via Redis fails.
matrix_synapse_replication_listener_enabled: true

# Port used for communication between main synapse process and workers.
# Only gets used if `matrix_synapse_replication_listener_enabled: true`
matrix_synapse_replication_http_port: 9093

# Send ERROR logs to sentry.io for easier tracking
# To set this up: go to sentry.io, create a python project, and set
# matrix_synapse_sentry_dsn to the URL it gives you.
# See https://github.com/matrix-org/synapse/issues/4632 for important privacy concerns
matrix_synapse_sentry_dsn: ""

# Postgres database information
matrix_synapse_database_host: "matrix-postgres"
matrix_synapse_database_user: "synapse"
matrix_synapse_database_password: ""
matrix_synapse_database_database: "synapse"

matrix_synapse_turn_uris: []
matrix_synapse_turn_shared_secret: ""
matrix_synapse_turn_allow_guests: False

matrix_synapse_email_enabled: false
matrix_synapse_email_smtp_host: ""
matrix_synapse_email_smtp_port: 587
matrix_synapse_email_smtp_require_transport_security: false
matrix_synapse_email_notif_from: "Matrix <matrix@{{ matrix_domain }}>"
matrix_synapse_email_client_base_url: "https://{{ matrix_server_fqn_element }}"


# Enable this to activate the REST auth password provider module.
# See: https://github.com/ma1uta/matrix-synapse-rest-password-provider
matrix_synapse_ext_password_provider_rest_auth_enabled: false
matrix_synapse_ext_password_provider_rest_auth_download_url: "https://raw.githubusercontent.com/ma1uta/matrix-synapse-rest-password-provider/ed377fb70513c2e51b42055eb364195af1ccaf33/rest_auth_provider.py"
matrix_synapse_ext_password_provider_rest_auth_endpoint: ""
matrix_synapse_ext_password_provider_rest_auth_registration_enforce_lowercase: false
matrix_synapse_ext_password_provider_rest_auth_registration_profile_name_autofill: true
matrix_synapse_ext_password_provider_rest_auth_login_profile_name_autofill: false

# Enable this to activate the Shared Secret Auth password provider module.
# See: https://github.com/devture/matrix-synapse-shared-secret-auth
matrix_synapse_ext_password_provider_shared_secret_auth_enabled: false
matrix_synapse_ext_password_provider_shared_secret_auth_download_url: "https://raw.githubusercontent.com/devture/matrix-synapse-shared-secret-auth/1.0.2/shared_secret_authenticator.py"
matrix_synapse_ext_password_provider_shared_secret_auth_shared_secret: ""

# Enable this to activate LDAP password provider
matrix_synapse_ext_password_provider_ldap_enabled: false
matrix_synapse_ext_password_provider_ldap_uri: "ldap://ldap.mydomain.tld:389"
matrix_synapse_ext_password_provider_ldap_start_tls: true
matrix_synapse_ext_password_provider_ldap_base: ""
matrix_synapse_ext_password_provider_ldap_attributes_uid: "uid"
matrix_synapse_ext_password_provider_ldap_attributes_mail: "mail"
matrix_synapse_ext_password_provider_ldap_attributes_name: "cn"
matrix_synapse_ext_password_provider_ldap_bind_dn: ""
matrix_synapse_ext_password_provider_ldap_bind_password: ""
matrix_synapse_ext_password_provider_ldap_filter: ""

# Enable this to activate the Synapse Antispam spam-checker module.
# See: https://github.com/t2bot/synapse-simple-antispam
matrix_synapse_ext_spam_checker_synapse_simple_antispam_enabled: false
matrix_synapse_ext_spam_checker_synapse_simple_antispam_git_repository_url: "https://github.com/t2bot/synapse-simple-antispam"
matrix_synapse_ext_spam_checker_synapse_simple_antispam_git_version: "f058d9ce2c7d4195ae461dcdd02df11a2d06a36b"
matrix_synapse_ext_spam_checker_synapse_simple_antispam_config_blocked_homeservers: []

matrix_s3_media_store_enabled: false
matrix_s3_media_store_custom_endpoint_enabled: false
matrix_s3_goofys_docker_image: "ewoutp/goofys:latest"
matrix_s3_goofys_docker_image_force_pull: "{{ matrix_s3_goofys_docker_image.endswith(':latest') }}"
matrix_s3_media_store_custom_endpoint: "your-custom-endpoint"
matrix_s3_media_store_bucket_name: "your-bucket-name"
matrix_s3_media_store_aws_access_key: "your-aws-access-key"
matrix_s3_media_store_aws_secret_key: "your-aws-secret-key"
matrix_s3_media_store_region: "eu-central-1"
matrix_s3_media_store_path: "{{ matrix_synapse_media_store_path }}"

# Controls whether the self-check feature should validate SSL certificates.
matrix_synapse_self_check_validate_certificates: true

# Controls whether searching the public room list is enabled.
matrix_synapse_enable_room_list_search: true

# Controls who's allowed to create aliases on this server.
matrix_synapse_alias_creation_rules:
  - user_id: "*"
    alias: "*"
    room_id: "*"
    action: allow

# Controls who can publish and which rooms can be published in the public room list.
matrix_synapse_room_list_publication_rules:
  - user_id: "*"
    alias: "*"
    room_id: "*"
    action: allow

matrix_synapse_default_room_version: "6"

# Controls the Synapse `spam_checker` setting.
#
# If a spam-checker extension is enabled, this variable's value is set automatically by the playbook during runtime.
# If not, you can also control its value manually.
matrix_synapse_spam_checker: []

matrix_synapse_trusted_key_servers:
  - server_name: "matrix.org"

matrix_synapse_redaction_retention_period: 7d

matrix_synapse_user_ips_max_age: 28d


matrix_synapse_rust_synapse_compress_state_docker_image: "devture/rust-synapse-compress-state:v0.1.0"
matrix_synapse_rust_synapse_compress_state_docker_image_force_pull: "{{ matrix_synapse_rust_synapse_compress_state_docker_image.endswith(':latest') }}"

matrix_synapse_rust_synapse_compress_state_base_path: "{{ matrix_base_data_path }}/rust-synapse-compress-state"


# Default Synapse configuration template which covers the generic use case.
# You can customize it by controlling the various variables inside it.
#
# For a more advanced customization, you can extend the default (see `matrix_synapse_configuration_extension_yaml`)
# or completely replace this variable with your own template.
matrix_synapse_configuration_yaml: "{{ lookup('template', 'templates/synapse/homeserver.yaml.j2') }}"

matrix_synapse_configuration_extension_yaml: |
  # Your custom YAML configuration for Synapse goes here.
  # This configuration extends the default starting configuration (`matrix_synapse_configuration_yaml`).
  #
  # You can override individual variables from the default configuration, or introduce new ones.
  #
  # If you need something more special, you can take full control by
  # completely redefining `matrix_synapse_configuration_yaml`.
  #
  # Example configuration extension follows:
  #
  # server_notices:
  #   system_mxid_localpart: notices
  #   system_mxid_display_name: "Server Notices"
  #   system_mxid_avatar_url: "mxc://server.com/oumMVlgDnLYFaPVkExemNVVZ"
  #   room_name: "Server Notices"  

matrix_synapse_configuration_extension: "{{ matrix_synapse_configuration_extension_yaml|from_yaml if matrix_synapse_configuration_extension_yaml|from_yaml is mapping else {} }}"

# Holds the final Synapse configuration (a combination of the default and its extension).
# You most likely don't need to touch this variable. Instead, see `matrix_synapse_configuration_yaml`.
matrix_synapse_configuration: "{{ matrix_synapse_configuration_yaml|from_yaml|combine(matrix_synapse_configuration_extension, recursive=True) }}"