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Setting up Synapse Admin (optional)

The playbook can install and configure synapse-admin for you.

It's a web UI tool you can use to administrate users and rooms on your Matrix server.

See the project's documentation to learn what it does and why it might be useful to you.

Adjusting the playbook configuration

Add the following configuration to your inventory/host_vars/matrix.DOMAIN/vars.yml file:

matrix_synapse_admin_enabled: true

Note: Synapse Admin requires Synapse's Admin APIs to function. Access to them is restricted with a valid access token, so exposing them publicly should not be a real security concern. Still, for additional security, we normally leave them unexposed, following official Synapse reverse-proxying recommendations. Because Synapse Admin needs these APIs to function, when installing Synapse Admin, we automatically exposes them publicly for you (equivalent to matrix_nginx_proxy_proxy_matrix_client_api_forwarded_location_synapse_admin_api_enabled: true).

Installing

After configuring the playbook, run the installation command again:

ansible-playbook -i inventory/hosts setup.yml --tags=setup-all,start

Usage

After installation, Synapse Admin will be accessible at: https://matrix.DOMAIN/synapse-admin/

To use Synapse Admin, you need to have registered at least one administrator account on your server.

The Homeserver URL to use on Synapse Admin's login page is: https://matrix.DOMAIN

Sample configuration for running behind Traefik 2.0

Below is a sample configuration for using this playbook with a Traefik 2.0 reverse proxy.

This an extension to Traefik config sample in own-webserver-documentation.

# Don't bind any HTTP or federation port to the host
# (Traefik will proxy directly into the containers)
matrix_synapse_admin_container_http_host_bind_port: ""

matrix_synapse_admin_container_extra_arguments:
    # May be unnecessary depending on Traefik config, but can't hurt
    - '--label "traefik.enable=true"'

    # The Synapse Admin container will only receive traffic from this subdomain and path
    - '--label "traefik.http.routers.matrix-synapse-admin.rule=(Host(`{{ matrix_server_fqn_matrix }}`) && Path(`{{matrix_synapse_admin_public_endpoint}}`))"'

    # (Define your entrypoint)
    - '--label "traefik.http.routers.matrix-synapse-admin.entrypoints=web-secure"'

    # (The 'default' certificate resolver must be defined in Traefik config)
    - '--label "traefik.http.routers.matrix-synapse-admin.tls.certResolver=default"'

    # The Synapse Admin container uses port 80 by default
    - '--label "traefik.http.services.matrix-synapse-admin.loadbalancer.server.port=80"'

Sample configuration for running behind Caddy v2

Below is a sample configuration for using this playbook with a Caddy 2.0 reverse proxy (non-default configuration where matrix-nginx-proxy is disabled - matrix_nginx_proxy_enabled: false).

# This is a basic configuration that will function the same as the default nginx proxy - exposing the synapse-admin panel to matrix.YOURSERVER.com/synapse-admin/
  handle_path /synapse-admin* {
        reverse_proxy localhost:8766  {
        }
  }

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