98 lines
2.5 KiB
Nix
98 lines
2.5 KiB
Nix
{
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inputs,
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self,
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flake
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}:
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{
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pkgs,
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config,
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lib,
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...
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}: let
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system = pkgs.system;
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cfg = config.services.postgresql;
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extensionFlags = {
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pg_cron = false;
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pgjwt = false;
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pg_net = false;
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pg_smtp_client = false;
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http = false;
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plsh = false;
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hemar = false;
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};
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in {
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options = {
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services.postgresql = {
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lazzyExtensions = lib.mkOption {
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type = lib.types.attrsOf lib.types.bool;
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default = extensionFlags;
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};
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environment = lib.mkOption {
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type = lib.types.attrsOf lib.types.str;
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default = {};
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};
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script = lib.mkOption {
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type = with lib; types.nullOr types.path;
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default = null;
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example = lib.literalExpression ''
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pkgs.writeText "init-sql-script" '''
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alter user postgres with password 'myPassword';
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''';'';
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description = ''
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A file containing SQL statements to execute on stratup or any time you change it.
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'';
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};
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};
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};
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config = lib.mkIf cfg.enable {
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systemd.services.postgresql-script= lib.mkIf (cfg.script != null) {
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description = "Some postgresql settings";
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after = [ "postgresql.service" ];
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wants = [ "postgresql.service" ];
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serviceConfig = {
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Type = "oneshot";
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ExecStart = "${pkgs.dash}/bin/dash ${pkgs.writeText "sql-script" ''
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#!/${pkgs.dash}/bin/dash
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set -e
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alias psql='${cfg.package}/bin/psql -v ON_ERROR_STOP=1 -p "${builtins.toString cfg.port}" -U postgres -d postgres'
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${builtins.readFile cfg.script}
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''}";
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};
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path = [ ];
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wantedBy = [ "multi-user.target" ];
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};
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systemd.services.postgresql.environment = cfg.environment;
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services.postgresql = {
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settings.shared_preload_libraries =
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lib.concatStringsSep ", "
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(lib.attrNames (
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lib.filterAttrs (n: v: v &&
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n != "http"
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&& n != "plsh"
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&& n != "pgjwt"
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&& n != "pg_smtp_client"
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) cfg.lazzyExtensions));
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extensions = let
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packages = {
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inherit (cfg.package.pkgs) pg_net pgjwt pg_cron http pg_smtp_client plsh;
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};
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in
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lib.attrValues (
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lib.filterAttrs (n: v: v != null)
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(lib.mapAttrs' (
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name: enabled:
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if enabled
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then lib.nameValuePair name (packages.${name} or (throw "Package ${name} not found in pkgs"))
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else null
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)
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cfg.lazzyExtensions)
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);
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};
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};
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}
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