haccfiles/parsons/tracktrain.nix
stuebinm 41d82ae436 meta: new structure
we decided to:
 - get rid of unused packages
 - simpify the directory layout since we only have one host anyways
 - move our docs (such as they are) in-tree
2024-01-11 23:49:26 +01:00

155 lines
4.3 KiB
Nix

{ config, lib, pkgs, evalConfig, ... }:
let
tracktrain-config = ''
dbstring: "dbname=tracktrain"
gtfs: /persist/gtfs.zip
assets: ${pkgs.tracktrain}/assets
warp:
port: 4000
login:
enable: true
url: https://login.infra4future.de
clientname: tracktrain
# clientsecret defined in env file
'';
in
{
sops.secrets = {
"tracktrain/env" = {};
};
services.nginx.virtualHosts."tracktrain.ilztalbahn.eu" = {
enableACME = true;
forceSSL = true;
locations."/" = {
proxyPass = "http://192.168.42.41:4000";
proxyWebsockets = true;
};
# note: this shadows the /metrics endpoint of tracktrain
# in case you remove this, please consider putting something
# else here to keep it from being publicly scrapable
locations."/metrics/" = {
proxyPass = "http://192.168.42.41:2342";
proxyWebsockets = true;
extraConfig = ''
rewrite ^/metrics/(.*) /$1 break;
'';
};
};
containers.tracktrain = {
privateNetwork = true;
hostAddress = "192.168.42.40";
localAddress = "192.168.42.41";
autoStart = true;
bindMounts = {
"/persist" = {
hostPath = "/persist/containers/tracktrain";
isReadOnly = false;
};
"/secrets".hostPath = "/run/secrets/tracktrain";
};
path = evalConfig ({ config, lib, pkgs, ... }: {
system.stateVersion = "21.11";
users.users.tracktrain = {
group = "tracktrain";
isSystemUser = true;
};
users.groups.tracktrain = {};
systemd.services.tracktrain = {
enable = true;
description = "tracks trains, hopefully";
wantedBy = [ "multi-user.target" ];
requires = [ "network.target" ];
after = [ "network.target" ];
serviceConfig = {
Type = "simple";
EnvironmentFile = "/secrets/env";
User = "tracktrain";
Group = "tracktrain";
};
path = [ pkgs.wget ];
script = ''
mkdir -p /persist/tracktrain
cd /persist/tracktrain
ln -sf ${pkgs.writeText "tracktrain-config.yaml" tracktrain-config} config.yaml
wget "https://ilztalbahn.eu/wp-content/uploads/2020/07/gtfs.zip" || sleep 4; wget "https://ilztalbahn.eu/wp-content/uploads/2020/07/gtfs.zip"
${pkgs.tracktrain}/bin/tracktrain +RTS -T
'';
};
services.postgresql = {
enable = true;
package = pkgs.postgresql_15;
ensureDatabases = [ "tracktrain" ];
ensureUsers = [ {
name = "tracktrain";
ensureDBOwnership = true;
} ];
authentication = ''
local all all trust
host all all 127.0.0.1/32 trust
'';
};
services.prometheus = {
enable = true;
port = 9001;
scrapeConfigs = [ {
job_name = "tracktrain";
static_configs = [{
targets = [ "0.0.0.0:4000" ];
}];
} ];
};
services.grafana = {
enable = true;
settings.server = {
serve_from_sub_path = true;
domain = "tracktrain.ilztalbahn.eu";
root_url = "https://%(domain)s/metrics/";
http_port = 2342;
http_addr = "0.0.0.0";
};
settings."auth.generic_oauth" = {
name = "uffd";
enabled = true;
allow_sign_up = true;
empty_scopes = true;
client_id = "ilztalbahn-grafana";
client_secret = "\${GRAFANA_CLIENT_SECRET}";
auth_url = "https://login.infra4future.de/oauth2/authorize";
token_url = "https://login.infra4future.de/oauth2/token";
api_url = "https://login.infra4future.de/oauth2/userinfo";
};
# disables the default login screen. comment out if for some
# reason you do need it
settings.auth.oauth_auto_login = true;
settings.users.auto_assign_org_role = "Admin";
provision = {
enable = true;
datasources.settings.datasources = [ {
url = "http://localhost:9001";
type = "prometheus";
name = "prometheus";
} ];
};
};
systemd.services.grafana.serviceConfig.EnvironmentFile =
"/secrets/env";
});
};
}