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{ config, lib, options, pkgs, ... }:
with lib;
let
cfg = config.services.gocd-server;
opt = options.services.gocd-server;
in {
options = {
services.gocd-server = {
enable = mkEnableOption "gocd-server";
user = mkOption {
default = "gocd-server";
type = types.str;
description = ''
User the Go.CD server should execute under.
'';
};
group = mkOption {
default = "gocd-server";
type = types.str;
description = ''
If the default user "gocd-server" is configured then this is the primary group of that user.
'';
};
extraGroups = mkOption {
default = [ ];
type = types.listOf types.str;
example = [ "wheel" "docker" ];
description = ''
List of extra groups that the "gocd-server" user should be a part of.
'';
};
listenAddress = mkOption {
default = "0.0.0.0";
example = "localhost";
type = types.str;
description = ''
Specifies the bind address on which the Go.CD server HTTP interface listens.
'';
};
port = mkOption {
default = 8153;
type = types.int;
description = ''
Specifies port number on which the Go.CD server HTTP interface listens.
'';
};
sslPort = mkOption {
default = 8154;
type = types.int;
description = ''
Specifies port number on which the Go.CD server HTTPS interface listens.
'';
};
workDir = mkOption {
default = "/var/lib/go-server";
type = types.str;
description = ''
Specifies the working directory in which the Go.CD server java archive resides.
'';
};
packages = mkOption {
default = [ pkgs.stdenv pkgs.jre pkgs.git config.programs.ssh.package pkgs.nix ];
defaultText = literalExpression "[ pkgs.stdenv pkgs.jre pkgs.git config.programs.ssh.package pkgs.nix ]";
type = types.listOf types.package;
description = ''
Packages to add to PATH for the Go.CD server's process.
'';
};
initialJavaHeapSize = mkOption {
default = "512m";
type = types.str;
description = ''
Specifies the initial java heap memory size for the Go.CD server's java process.
'';
};
maxJavaHeapMemory = mkOption {
default = "1024m";
type = types.str;
description = ''
Specifies the java maximum heap memory size for the Go.CD server's java process.
'';
};
startupOptions = mkOption {
type = types.listOf types.str;
default = [
"-Xms${cfg.initialJavaHeapSize}"
"-Xmx${cfg.maxJavaHeapMemory}"
"-Dcruise.listen.host=${cfg.listenAddress}"
"-Duser.language=en"
"-Djruby.rack.request.size.threshold.bytes=30000000"
"-Duser.country=US"
"-Dcruise.config.dir=${cfg.workDir}/conf"
"-Dcruise.config.file=${cfg.workDir}/conf/cruise-config.xml"
"-Dcruise.server.port=${toString cfg.port}"
"-Dcruise.server.ssl.port=${toString cfg.sslPort}"
];
defaultText = literalExpression ''
[
"-Xms''${config.${opt.initialJavaHeapSize}}"
"-Xmx''${config.${opt.maxJavaHeapMemory}}"
"-Dcruise.listen.host=''${config.${opt.listenAddress}}"
"-Duser.language=en"
"-Djruby.rack.request.size.threshold.bytes=30000000"
"-Duser.country=US"
"-Dcruise.config.dir=''${config.${opt.workDir}}/conf"
"-Dcruise.config.file=''${config.${opt.workDir}}/conf/cruise-config.xml"
"-Dcruise.server.port=''${toString config.${opt.port}}"
"-Dcruise.server.ssl.port=''${toString config.${opt.sslPort}}"
]
'';
description = ''
Specifies startup command line arguments to pass to Go.CD server
java process.
'';
};
extraOptions = mkOption {
default = [ ];
type = types.listOf types.str;
example = [
"-X debug"
"-Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=5005"
"-verbose:gc"
"-Xloggc:go-server-gc.log"
"-XX:+PrintGCTimeStamps"
"-XX:+PrintTenuringDistribution"
"-XX:+PrintGCDetails"
"-XX:+PrintGC"
];
description = ''
Specifies additional command line arguments to pass to Go.CD server's
java process. Example contains debug and gcLog arguments.
'';
};
environment = mkOption {
default = { };
type = with types; attrsOf str;
description = ''
Additional environment variables to be passed to the gocd-server process.
As a base environment, gocd-server receives NIX_PATH from
<option>environment.sessionVariables</option>, NIX_REMOTE is set to
"daemon".
'';
};
};
};
config = mkIf cfg.enable {
users.groups = optionalAttrs (cfg.group == "gocd-server") {
gocd-server.gid = config.ids.gids.gocd-server;
};
users.users = optionalAttrs (cfg.user == "gocd-server") {
gocd-server = {
description = "gocd-server user";
createHome = true;
home = cfg.workDir;
group = cfg.group;
extraGroups = cfg.extraGroups;
useDefaultShell = true;
uid = config.ids.uids.gocd-server;
};
};
systemd.services.gocd-server = {
description = "GoCD Server";
after = [ "network.target" ];
wantedBy = [ "multi-user.target" ];
environment =
let
selectedSessionVars =
lib.filterAttrs (n: v: builtins.elem n [ "NIX_PATH" ])
config.environment.sessionVariables;
in
selectedSessionVars //
{ NIX_REMOTE = "daemon";
} //
cfg.environment;
path = cfg.packages;
script = ''
${pkgs.git}/bin/git config --global --add http.sslCAinfo /etc/ssl/certs/ca-certificates.crt
${pkgs.jre}/bin/java -server ${concatStringsSep " " cfg.startupOptions} \
${concatStringsSep " " cfg.extraOptions} \
-jar ${pkgs.gocd-server}/go-server/go.jar
'';
serviceConfig = {
User = cfg.user;
Group = cfg.group;
WorkingDirectory = cfg.workDir;
};
};
};
}
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