29027fd1e1
Using pkgs.lib on the spine of module evaluation is problematic because the pkgs argument depends on the result of module evaluation. To prevent an infinite recursion, pkgs and some of the modules are evaluated twice, which is inefficient. Using ‘with lib’ prevents this problem.
118 lines
2.7 KiB
Nix
118 lines
2.7 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.nginx;
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nginx = cfg.package;
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configFile = pkgs.writeText "nginx.conf" ''
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user ${cfg.user} ${cfg.group};
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daemon off;
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${cfg.config}
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${optionalString (cfg.httpConfig != "") ''
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http {
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${cfg.httpConfig}
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}
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''}
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${cfg.appendConfig}
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'';
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in
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{
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options = {
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services.nginx = {
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enable = mkOption {
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default = false;
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description = "
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Enable the nginx Web Server.
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";
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};
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package = mkOption {
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default = pkgs.nginx;
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type = types.package;
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description = "
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Nginx package to use.
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";
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};
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config = mkOption {
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default = "events {}";
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description = "
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Verbatim nginx.conf configuration.
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";
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};
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appendConfig = mkOption {
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type = types.lines;
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default = "";
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description = ''
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Configuration lines appended to the generated Nginx
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configuration file. Commonly used by different modules
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providing http snippets. <option>appendConfig</option>
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can be specified more than once and it's value will be
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concatenated (contrary to <option>config</option> which
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can be set only once).
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'';
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};
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httpConfig = mkOption {
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type = types.lines;
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default = "";
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description = "Configuration lines to be appended inside of the http {} block.";
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};
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stateDir = mkOption {
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default = "/var/spool/nginx";
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description = "
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Directory holding all state for nginx to run.
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";
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};
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user = mkOption {
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default = "nginx";
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description = "User account under which nginx runs.";
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};
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group = mkOption {
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default = "nginx";
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description = "Group account under which nginx runs.";
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};
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};
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};
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config = mkIf cfg.enable {
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environment.systemPackages = [ nginx ];
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# TODO: test user supplied config file pases syntax test
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systemd.services.nginx = {
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description = "Nginx Web Server";
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after = [ "network.target" ];
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wantedBy = [ "multi-user.target" ];
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path = [ nginx ];
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preStart =
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''
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mkdir -p ${cfg.stateDir}/logs
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chown -R ${cfg.user}:${cfg.group} ${cfg.stateDir}
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'';
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serviceConfig = {
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ExecStart = "${nginx}/bin/nginx -c ${configFile} -p ${cfg.stateDir}";
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};
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};
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users.extraUsers = optionalAttrs (cfg.user == "nginx") (singleton
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{ name = "nginx";
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group = "nginx";
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uid = config.ids.uids.nginx;
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});
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users.extraGroups = optionalAttrs (cfg.group == "nginx") (singleton
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{ name = "nginx";
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gid = config.ids.gids.nginx;
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});
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};
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}
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