mio-ops/roles/matrix.nix

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# NixOps configuration for the hosts running a Matrix server (synapse)
{ config, pkgs, lib, ... }:
{
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imports = [
../secrets/matrix.nix
];
i18n = {
extraLocaleSettings = {
LC_COLLATE = "C"; # Ensure correct locale for postgres
LC_CTYPE = "C"; # Ensure correct locale for postgres
};
};
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services = {
matrix-synapse = {
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enable = true; # Enable the synapse server
server_name = "mcwhirter.io"; # Server's public domain name
public_baseurl = "https://synapse.mcwhirter.io:443/"; # Matrix target URL
web_client = true; # Whether to serve a web client
enable_registration = true; # Toggle user registration
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listeners = [
{ # federation
bind_address = "";
port = 8448;
resources = [
{ compress = true; names = [ "client" ]; }
{ compress = false; names = [ "federation" ]; }
];
tls = true;
type = "http";
x_forwarded = false;
}
{ # client
bind_address = "::1"; # Listen on localhost only
port = 8008; # Port to listen on
resources = [
{
compress = true;
names = [ "client" ];
} {
compress = false;
names = [ "federation" ];
} ];
tls = true;
type = "http";
x_forwarded = true;
}
];
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max_upload_size = "200M"; # Also set client_max_body_size to at least this
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tls_certificate_path = "/var/lib/acme/mcwhirter.io/fullchain.pem";
tls_private_key_path = "/var/lib/acme/mcwhirter.io/key.pem";
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turn_shared_secret = "IZI43ylg6aJdMwy5MyhUPqT8SJD4C3P1vDcIFMzqGvTXJiCjAEvnPcDCBZfig5Q6";
turn_uris = [
"turn:turn.mcwhirter.io:5349?transport=udp"
"turn:turn.mcwhirter.io:5350?transport=udp"
"turn:turn.mcwhirter.io:5349?transport=tcp"
"turn:turn.mcwhirter.io:5350?transport=tcp"
];
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url_preview_enabled = true;
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extraConfig = ''
enable_group_creation: true # Allow users to create communities
'';
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};
nginx = {
enable = true;
recommendedTlsSettings = true;
recommendedOptimisation = true;
recommendedGzipSettings = true;
recommendedProxySettings = true;
virtualHosts = {
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"synapse.mcwhirter.io" = {
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forceSSL = true;
enableACME = true;
locations = {
"/_matrix" = {
proxyPass = "https://[::1]:8008";
};
"/.well-known/matrix/server".extraConfig =
let
# use 443 instead of the default 8448 port to unite
# the client-server and server-server port for simplicity
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server = { "m.server" = "synapse.mcwhirter.io:443"; };
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in ''
add_header Content-Type application/json;
return 200 '${builtins.toJSON server}';
'';
"= /.well-known/matrix/client".extraConfig =
let
client = {
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"m.homeserver" = { "base_url" = "https://synapse.mcwhirter.io"; };
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"m.identity_server" = { "base_url" = "https://vector.im"; };
};
# ACAO required to allow riot-web on any URL to request this json file
in ''
add_header Content-Type application/json;
add_header Access-Control-Allow-Origin *;
return 200 '${builtins.toJSON client}';
'';
};
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extraConfig = ''
client_max_body_size 200M; # Needs to be no less than max_upload_size
'';
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};
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"chat.mcwhirter.io" = {
forceSSL = true;
enableACME = true;
serverAliases = [
"chat.${config.networking.domain}"
];
root = pkgs.riot-web; # Install RIOT web in the nginx root
};
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};
};
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postgresql = {
enable = true;
ensureDatabases = [ "matrix-synapse" ]; # Ensure the database persists
ensureUsers = [
{
name = "matrix-synapse"; # Ensure the database user persists
ensurePermissions = { # Ensure the database permissions persist
"DATABASE \"matrix-synapse\"" = "ALL PRIVILEGES";
"ALL TABLES IN SCHEMA public" = "ALL PRIVILEGES";
};
}
];
# Initial database creation
initialScript = pkgs.writeText "synapse-init.sql" ''
CREATE ROLE "matrix-synapse" WITH LOGIN PASSWORD 'synapse';
CREATE DATABASE "matrix-synapse" WITH OWNER "matrix-synapse"
TEMPLATE template0
LC_COLLATE = "C"
LC_CTYPE = "C";
'';
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};
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};
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security.acme = {
acceptTerms = true;
certs = {
"chat.mcwhirter.io" = {
group = "matrix-synapse";
allowKeysForGroup = true;
postRun = "systemctl reload nginx.service";
email = "acme@mcwhirter.io";
};
"synapse.mcwhirter.io" = {
group = "matrix-synapse";
allowKeysForGroup = true;
postRun = "systemctl reload nginx.service; systemctl restart matrix-synapse.service";
email = "acme@mcwhirter.io";
};
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};
};
networking.firewall = {
enable = true;
allowedTCPPorts = [
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443 # HTTPS
8448 # Matrix federation
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];
};
}