haccfiles/parsons/tracktrain.nix

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{ config, lib, pkgs, ... }:
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let
tracktrain-config = ''
dbstring: "dbname=tracktrain"
gtfs: /persist/gtfs.zip
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assets: ${pkgs.tracktrain}/assets
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warp:
port: 4000
login:
enable: true
url: https://login.infra4future.de
clientName: tracktrain
# clientSecret defined in env file
logging:
ntfyTopic: ping.stuebinm.eu/monit
name: ilztalbahn
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'';
in
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{
sops.secrets = {
"tracktrain/env" = {};
};
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services.nginx.virtualHosts."tracktrain.ilztalbahn.eu" = {
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enableACME = true;
forceSSL = true;
locations."/" = {
proxyPass = "http://${config.containers.tracktrain.localAddress}:4000";
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proxyWebsockets = true;
};
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# 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://${config.containers.tracktrain.localAddress}:2342";
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proxyWebsockets = true;
extraConfig = ''
rewrite ^/metrics/(.*) /$1 break;
'';
};
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};
hacc.containers.tracktrain = {
bindSecrets = true;
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config = { config, lib, pkgs, ... }: {
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systemd.services.tracktrain = {
enable = true;
description = "tracks trains, hopefully";
wantedBy = [ "multi-user.target" ];
requires = [ "network.target" ];
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after = [ "network.target" ];
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serviceConfig = {
Type = "simple";
EnvironmentFile = "/secrets/env";
DynamicUser = true;
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};
path = [ pkgs.wget pkgs.ntfy-sh ];
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script = ''
cd /tmp
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ln -sf ${pkgs.writeText "tracktrain-config.yaml" tracktrain-config} config.yaml
${pkgs.tracktrain}/bin/tracktrain +RTS -T
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'';
};
services.postgresql = {
enable = true;
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package = pkgs.postgresql_15;
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ensureDatabases = [ "tracktrain" ];
ensureUsers = [ {
name = "tracktrain";
ensureDBOwnership = true;
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} ];
authentication = ''
local all all trust
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'';
};
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services.prometheus = {
enable = true;
port = 9001;
scrapeConfigs = [ {
job_name = "tracktrain";
static_configs = [{
targets = [ "0.0.0.0:4000" ];
}];
} ];
};
systemd.services.grafana.serviceConfig.EnvironmentFile =
"/secrets/env";
hacc.bindToPersist = [ "/var/lib/grafana" ];
};
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};
}