yammat/nixos-module.nix

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{ config, lib, pkgs, ... }:
let
yammat = import ./. { inherit pkgs; };
cfg = config.services.yammat;
in
{
options.services.yammat = with lib; {
enable = mkEnableOption "Yammat";
user = mkOption {
type = types.str;
default = "yammat";
description = "System user to run Yammat";
};
group = mkOption {
type = types.str;
default = "yammat";
description = "System group to run Yammat";
};
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config = mkOption {
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type = types.lines;
default = builtins.readFile ./config/settings.yml + ''
sendmail-location: "/run/wrappers/bin/sendmail"
'';
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description = "Configuration for Yammat";
};
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};
config = lib.mkIf cfg.enable {
users.users.${cfg.user} = {
isSystemUser = true;
group = cfg.group;
};
users.groups.${cfg.group} = {};
services.postgresql = {
enable = true;
ensureDatabases = [ "yammat" ];
ensureUsers = [ {
name = cfg.user;
ensurePermissions = {
"DATABASE yammat" = "ALL PRIVILEGES";
};
} ];
};
systemd.services.yammat = {
description = "Yammat Matemat";
after = [ "postgresql.service" ];
requires = [ "postgresql.service" ];
wantedBy = [ "multi-user.target" ];
environment = {
APPROOT = yammat;
STATIC_DIR = "${yammat}/static";
PGHOST = "";
};
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# make sendmail available
path = [ "/run/wrappers" ];
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serviceConfig = {
User = cfg.user;
Group = cfg.group;
WorkingDirectory = yammat;
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ExecStart = "${yammat}/bin/yammat /etc/yammat.yml";
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};
};
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environment.etc."yammat.yml" = {
enable = true;
text = cfg.config;
};
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};
}