127 lines
2.7 KiB
Nix
127 lines
2.7 KiB
Nix
{ config, pkgs, ... }:
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with pkgs.lib;
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let
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b2s = x: if x then "true" else "false";
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cfg = config.services.mongodb;
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mongodb = cfg.package;
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mongoCnf = pkgs.writeText "mongodb.conf"
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''
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bind_ip = ${cfg.bind_ip}
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${optionalString cfg.quiet "quiet = true"}
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dbpath = ${cfg.dbpath}
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logpath = ${cfg.logpath}
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logappend = ${b2s cfg.logappend}
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${optionalString (cfg.replSetName != "") "replSet = ${cfg.replSetName}"}
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'';
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in
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{
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###### interface
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options = {
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services.mongodb = {
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enable = mkOption {
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default = false;
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description = "
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Whether to enable the MongoDB server.
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";
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};
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package = mkOption {
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default = pkgs.mongodb.override { useV8 = cfg.useV8; };
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description = "
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Which MongoDB derivation to use.
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";
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};
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user = mkOption {
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default = "mongodb";
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description = "User account under which MongoDB runs";
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};
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bind_ip = mkOption {
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default = "127.0.0.1";
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description = "IP to bind to";
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};
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quiet = mkOption {
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default = false;
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description = "quieter output";
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};
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dbpath = mkOption {
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default = "/var/db/mongodb";
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description = "Location where MongoDB stores its files";
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};
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logpath = mkOption {
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default = "/var/log/mongodb/mongod.log";
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description = "Location where MongoDB stores its logfile";
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};
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logappend = mkOption {
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default = true;
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description = "Append logfile instead over overwriting";
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};
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useV8 = mkOption {
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default = false;
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description = "Use V8 instead of spidermonkey for js execution";
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};
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replSetName = mkOption {
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default = "";
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description = ''
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If this instance is part of a replica set, set its name here.
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Otherwise, leave empty to run as single node.
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'';
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};
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};
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};
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###### implementation
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config = mkIf config.services.mongodb.enable {
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users.extraUsers = singleton
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{ name = cfg.user;
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description = "MongoDB server user";
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};
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environment.systemPackages = [ mongodb ];
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boot.systemd.services.mongodb =
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{ description = "MongoDB server";
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wantedBy = [ "multi-user.target" ];
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after = [ "network.target" ];
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preStart =
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''
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if ! test -e ${cfg.dbpath}; then
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install -d -m0700 -o ${cfg.user} ${cfg.dbpath}
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install -d -m0755 -o ${cfg.user} `dirname ${cfg.logpath}`
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fi
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'';
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serviceConfig = {
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ExecStart = "${mongodb}/bin/mongod --quiet --config ${mongoCnf}";
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User = cfg.user;
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};
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};
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};
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}
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