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Split Nix config in modules

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Paul-Henri Froidmont 2021-07-15 17:09:32 +02:00
parent 380361eeeb
commit dd5b87f66e
Signed by: phfroidmont
GPG key ID: BE948AFD7E7873BE
7 changed files with 80 additions and 77 deletions
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125
backend1.nix
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@ -1,125 +0,0 @@
{ modulesPath, pkgs, lib, config, ... }:
let
fqdn =
let
join = hostName: domain: hostName + lib.optionalString (domain != null) ".${domain}";
in join "matrix" config.networking.domain;
in {
imports = [ (modulesPath + "/profiles/qemu-guest.nix") ];
boot.loader.grub.device = "/dev/sda";
fileSystems."/" = { device = "/dev/sda1"; fsType = "ext4"; };
# Set NIX_PATH to be the same as the Terraform module
# nix.nixPath = [ "nixpkgs=${pkgs}" ];
boot.cleanTmpDir = true;
networking.hostName = "backend1";
networking.domain = "banditlair.com";
networking.firewall.allowPing = true;
networking.firewall.allowedTCPPorts = [ 80 443 64738 ];
networking.firewall.allowedUDPPorts = [ 64738 ];
services.openssh.enable = true;
users.users.root.openssh.authorizedKeys.keyFiles = [
./ssh_keys/phfroidmont-desktop.pub
];
security.acme.email = "letsencrypt.account@banditlair.com";
security.acme.acceptTerms = true;
services.nginx = {
enable = true;
# only recommendedProxySettings and recommendedGzipSettings are strictly required,
# but the rest make sense as well
recommendedTlsSettings = true;
recommendedOptimisation = true;
recommendedGzipSettings = true;
recommendedProxySettings = true;
virtualHosts = {
# This host section can be placed on a different host than the rest,
# i.e. to delegate from the host being accessible as ${config.networking.domain}
# to another host actually running the Matrix homeserver.
"${config.networking.domain}" = {
enableACME = true;
forceSSL = true;
locations."= /.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
server = { "m.server" = "${fqdn}:443"; };
in ''
add_header Content-Type application/json;
return 200 '${builtins.toJSON server}';
'';
locations."= /.well-known/matrix/client".extraConfig =
let
client = {
"m.homeserver" = { "base_url" = "https://${fqdn}"; };
"m.identity_server" = { "base_url" = "https://vector.im"; };
};
# ACAO required to allow element-web on any URL to request this json file
in ''
add_header Content-Type application/json;
add_header Access-Control-Allow-Origin *;
return 200 '${builtins.toJSON client}';
'';
};
# Reverse proxy for Matrix client-server and server-server communication
${fqdn} = {
enableACME = true;
forceSSL = true;
# Or do a redirect instead of the 404, or whatever is appropriate for you.
# But do not put a Matrix Web client here! See the Element web section below.
locations."/".extraConfig = ''
return 404;
'';
# forward all Matrix API calls to the synapse Matrix homeserver
locations."/_matrix" = {
proxyPass = "http://[::1]:8008"; # without a trailing /
};
};
};
};
services.matrix-synapse = {
enable = true;
server_name = config.networking.domain;
listeners = [
{
port = 8008;
bind_address = "::1";
type = "http";
tls = false;
x_forwarded = true;
resources = [
{
names = [ "client" "federation" ];
compress = false;
}
];
}
];
database_type = "psycopg2";
database_args = {
host = "fake"; # This section is overriden in deploy_nixos keys
};
extraConfigFiles = [ "/var/keys/synapse-extra-config.yaml" ];
};
users.users.matrix-synapse.extraGroups = [ "keys" ];
services.murmur = {
enable = true;
bandwidth = 128000;
password = "$MURMURD_PASSWORD";
environmentFile = "/var/keys/murmur.env";
};
users.users.murmur.extraGroups = [ "keys" ];
}