nixos/modules/services/finance/odoo.nix

   1 {
   2   config,
   3   pkgs,
   4   lib,
   5   ...
   6 }:
   7 let
   8   cfg = config.services.odoo;
   9   format = pkgs.formats.ini { };
  10 in
  11 {
  12   options = {
  13     services.odoo = {
  14       enable = lib.mkEnableOption "odoo, an open source ERP and CRM system";
  15
  16       package = lib.mkPackageOption pkgs "odoo" { };
  17
  18       addons = lib.mkOption {
  19         type = with lib.types; listOf package;
  20         default = [ ];
  21         example = lib.literalExpression "[ pkgs.odoo_enterprise ]";
  22         description = "Odoo addons.";
  23       };
  24
  25       autoInit = lib.mkEnableOption "automatically initialize the DB";
  26
  27       autoInitExtraFlags = lib.mkOption {
  28         type = with lib.types; listOf str;
  29         default = [ ];
  30         example =
  31           lib.literalExpression # nix
  32             ''
  33               [ "--without-demo=all" ]
  34             '';
  35         description = "Extra flags passed to odoo when run for the first time by autoInit";
  36       };
  37
  38       settings = lib.mkOption {
  39         type = format.type;
  40         default = { };
  41         description = ''
  42           Odoo configuration settings. For more details see <https://www.odoo.com/documentation/15.0/administration/install/deploy.html>
  43         '';
  44         example = lib.literalExpression ''
  45           options = {
  46             db_user = "odoo";
  47             db_password="odoo";
  48           };
  49         '';
  50       };
  51
  52       domain = lib.mkOption {
  53         type = with lib.types; nullOr str;
  54         description = "Domain to host Odoo with nginx";
  55         default = null;
  56       };
  57     };
  58   };
  59
  60   config = lib.mkIf (cfg.enable) (
  61     let
  62       cfgFile = format.generate "odoo.cfg" cfg.settings;
  63     in
  64     {
  65       services.nginx = lib.mkIf (cfg.domain != null) {
  66         upstreams = {
  67           odoo.servers = {
  68             "127.0.0.1:8069" = { };
  69           };
  70
  71           odoochat.servers = {
  72             "127.0.0.1:8072" = { };
  73           };
  74         };
  75
  76         virtualHosts."${cfg.domain}" = {
  77           extraConfig = ''
  78             proxy_read_timeout 720s;
  79             proxy_connect_timeout 720s;
  80             proxy_send_timeout 720s;
  81
  82             proxy_set_header X-Forwarded-Host $host;
  83             proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
  84             proxy_set_header X-Forwarded-Proto $scheme;
  85             proxy_set_header X-Real-IP $remote_addr;
  86           '';
  87
  88           locations = {
  89             "/longpolling" = {
  90               proxyPass = "http://odoochat";
  91             };
  92
  93             "/" = {
  94               proxyPass = "http://odoo";
  95               extraConfig = ''
  96                 proxy_redirect off;
  97               '';
  98             };
  99           };
 100         };
 101       };
 102
 103       services.odoo.settings.options =
 104         {
 105           data_dir = "/var/lib/private/odoo/data";
 106           proxy_mode = cfg.domain != null;
 107         }
 108         // (lib.optionalAttrs (cfg.addons != [ ]) {
 109           addons_path = lib.concatMapStringsSep "," lib.escapeShellArg cfg.addons;
 110         });
 111
 112       users.users.odoo = {
 113         isSystemUser = true;
 114         group = "odoo";
 115       };
 116       users.groups.odoo = { };
 117
 118       systemd.services.odoo = {
 119         wantedBy = [ "multi-user.target" ];
 120         after = [
 121           "network.target"
 122           "postgresql.service"
 123         ];
 124
 125         # pg_dump
 126         path = [ config.services.postgresql.package ];
 127
 128         requires = [ "postgresql.service" ];
 129
 130         serviceConfig = {
 131           ExecStart = "${cfg.package}/bin/odoo";
 132           ExecStartPre = pkgs.writeShellScript "odoo-start-pre.sh" (
 133             ''
 134               set -euo pipefail
 135
 136               cd "$STATE_DIRECTORY"
 137
 138               # Auto-migrate old deployments
 139               if [[ -d .local/share/Odoo ]]; then
 140                 echo "pre-start: migrating state directory from $STATE_DIRECTORY/.local/share/Odoo to $STATE_DIRECTORY/data"
 141                 mv .local/share/Odoo ./data
 142                 rmdir .local/share
 143                 rmdir .local
 144               fi
 145             ''
 146             + (lib.optionalString cfg.autoInit ''
 147               echo "pre-start: auto-init"
 148               INITIALIZED="${cfg.settings.options.data_dir}/.odoo.initialized"
 149               if [ ! -e "$INITIALIZED" ]; then
 150                 ${cfg.package}/bin/odoo  --init=INIT --database=odoo --db_user=odoo --stop-after-init ${lib.concatStringsSep " " cfg.autoInitExtraFlags}
 151                 touch "$INITIALIZED"
 152               fi
 153             '')
 154             + "echo pre-start: OK"
 155           );
 156           DynamicUser = true;
 157           User = "odoo";
 158           StateDirectory = "odoo";
 159           Environment = [
 160             "ODOO_RC=${cfgFile}"
 161           ];
 162         };
 163       };
 164
 165       services.postgresql = {
 166         enable = true;
 167
 168         ensureDatabases = [ "odoo" ];
 169         ensureUsers = [
 170           {
 171             name = "odoo";
 172             ensureDBOwnership = true;
 173           }
 174         ];
 175       };
 176     }
 177   );
 178 }