summaryrefslogtreecommitdiff
path: root/chaski/services/tracktrain.nix
blob: b6394deb7b95c9b0119bb2f6937746a9cd5a3634 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
{ config, lib, pkgs, inputs, ... }:

let
  # this gets rid of the implicit dependency on ghc, reducing closure size
  stripLib = drv: pkgs.stdenv.mkDerivation {
    name = drv.name + "-without-lib";
    src = drv.outPath;
    buildPhase = ''
      mkdir -p $out
      cp -r $src/bin $out
    '';
    phases = [ "buildPhase" ];
  };

  tracktrain-config = ''
    dbstring: "dbname=tracktrain user=tracktrain"
    gtfs: ${pkgs.copyPathToStore ./gtfs.zip}

    warp:
      port: 4000

    login:
      enable: false
      url: "http://dings"
      clientname: not
      clientsecret: used
  '';
in
{
  services.nginx.recommendedProxySettings = true;
  services.nginx.virtualHosts."tracktrain.stuebinm.eu" = {
    locations."/" = {
      proxyPass = "http://192.168.42.41:4000";
      proxyWebsockets = true;
    };
    locations."/api" = {
      proxyPass = "http://192.168.42.41:4000";
      proxyWebsockets = true;
      extraConfig = ''
        add_header 'Access-Control-Allow-Origin' '*' always;
      '';
    };
    locations."/metrics/" = {
      proxyPass = "http://localhost:2342";
      proxyWebsockets = true;
      extraConfig = ''
        rewrite  ^/metrics/(.*)  /$1 break;
      '';
    };
    locations."/assets" = {
      proxyPass = "http://192.168.42.41:4567";
    };
    enableACME = true;
    forceSSL = true;
  };


  services.prometheus = {
    enable = true;
    port = 9001;
    scrapeConfigs = [ {
      job_name = "tracktrain";
      static_configs = [{
        targets = [  "192.168.42.41:4000" ];
      }];
    } ];
  };

  services.grafana = {
    enable = true;
    settings.server = {
      serve_from_sub_path = true;
      domain = "tracktrain.ilztalbahn.eu";
      root_url = "%(protocol)s://%(domain)s:/metrics/";
      http_port = 2342;
      http_addr = "0.0.0.0";
    };

    provision = {
      enable = true;
      datasources.settings.datasources = [ {
        url = "http://localhost:9001";
        type = "prometheus";
        name = "prometheus";
      } ];
    };
  };

  networking.firewall.allowedTCPPorts = [ 443 ];

  containers.tracktrain = {
    autoStart = true;
    privateNetwork = true;
    hostAddress6 = "fd00::42:40";
    localAddress6 = "fd00::42:41";
    hostAddress = "192.168.42.40";
    localAddress = "192.168.42.41";

    config = { config, pkgs, ... }: {

      environment.noXlibs = true;
      systemd.services.dufs = {
        enable = true;
        description = "assets for tracktrain's frontend";
        wantedBy = [ "tracktrain.service" ];
        serviceConfig.Type = "simple";
        path = [ pkgs.dufs ];
        script = ''
          dufs -b 0.0.0.0 -p 4567 --path-prefix /assets --auth /@$(cat /username):$(cat /password)"@*" --auth-method basic --allow-upload --allow-delete /assets
        '';
      };

      systemd.services.tracktrain = {
        enable = true;

        description = "tracks trains, hopefully";
        wantedBy = [ "multi-user.target" ];
        after = [ "network.target" ];
        serviceConfig.Type = "simple";
        path = [ pkgs.wget ];
        script = ''
          cd /tmp
          ln -sf ${pkgs.writeText "config.yaml" tracktrain-config} "config.yaml"
          ${stripLib (((import inputs.tracktrain {nixpkgs = pkgs;}))
            # have to remove version constraints because some aren't in 22.05
            .overrideAttrs (old: { patchPhase = ''
              sed -i "s/base.*/base/g" *.cabal
              sed -i "s/^>=.*//g" *.cabal
              sed -i "s/>=.*//g" *.cabal
            ''; }))
           }/bin/tracktrain +RTS -T
        '';
        startAt = "daily";
      };

      services.postgresql = {
        enable = true;

        ensureDatabases = [ "tracktrain" ];
        ensureUsers = [ {
          name = "tracktrain";
          ensurePermissions = {
            "DATABASE tracktrain" = "ALL PRIVILEGES";
          };
        } ];
        authentication = ''
          local   all   all                              trust
          host    all   all        127.0.0.1/32          trust
        '';
      };

      networking.firewall.enable = false;
      system.stateVersion = "22.05";

      services.coredns = {
        enable = true;
        config = ''
          .:53 {
          forward . 1.1.1.1
          }
        '';
      };
    };
  };

  networking.nat = {
    enable = true;
    internalInterfaces = [ "ve-tracktrain" ];
    externalInterface = "ens3";
  };

}