mio-ops/profiles/matrix.nix

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# NixOps configuration for the hosts running a Matrix server (synapse)
{
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config,
pkgs,
lib,
...
}: {
i18n = {
extraLocaleSettings = {
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LC_COLLATE = "C.UTF-8"; # Ensure correct locale for postgres
LC_CTYPE = "C.UTF-8"; # Ensure correct locale for postgres
};
};
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services = {
matrix-synapse = {
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enable = true; # Enable the synapse server
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settings = {
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enable_registration = false; # Toggle user registration
enable_registration_without_verification = false;
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extraConfig = ''
enable_group_creation: true # Allow users to create communities
'';
listeners = [
{
# federation
bind_addresses = [];
port = 8448;
resources = [
{
compress = true;
names = ["client"];
}
{
compress = false;
names = ["federation"];
}
];
tls = true;
type = "http";
x_forwarded = false;
}
{
# client
bind_addresses = ["::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;
}
];
max_upload_size = "200M"; # Also set client_max_body_size to at least this
public_baseurl = "https://synapse.mcwhirter.io:443/"; # Matrix target URL
server_name = "mcwhirter.io"; # Server's public domain name
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 = config.services.coturn.static-auth-secret;
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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"
];
url_preview_enabled = true;
};
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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 = {
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"/_matrix" = {proxyPass = "https://[::1]:8008";};
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"/.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 '${builtins.toJSON server}';
'';
"= /.well-known/matrix/client".extraConfig = let
client = {
"m.homeserver" = {
"base_url" = "https://synapse.mcwhirter.io";
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};
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"m.identity_server" = {"base_url" = "https://vector.im";};
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};
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# ACAO required to allow element-web on any URL to request this json file
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in ''
add_header Content-Type application/json;
add_header Access-Control-Allow-Origin *;
return 200 '${builtins.toJSON client}';
'';
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};
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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;
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root = pkgs.element-web; # Install RIOT web in the nginx root
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};
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};
};
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postgresql = {
enable = true;
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ensureDatabases = ["matrix-synapse"]; # Ensure the database persists
ensureUsers = [
{
name = "matrix-synapse"; # Ensure the database user persists
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ensureDBOwnership = true;
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}
];
# 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
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LC_COLLATE = "C.UTF-8"
LC_CTYPE = "C.UTF-8";
'';
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};
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};
services.postgresqlBackup = {
enable = true;
compression = "zstd";
};
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services.postgresqlBackup.databases = ["matrix-synapse"];
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security.acme = {
acceptTerms = true;
certs = {
"chat.mcwhirter.io" = {
postRun = "systemctl reload nginx.service";
email = "acme@mcwhirter.io";
};
"synapse.mcwhirter.io" = {
group = "matrix-synapse";
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postRun = "systemctl reload nginx.service; systemctl restart matrix-synapse.service";
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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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];
};
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users.groups.matrix-synapse.members = ["nginx"]; # Added for keys permissions
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}