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|
{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.jenkins;
in {
options = {
services.jenkins = {
enable = mkOption {
type = types.bool;
default = false;
description = ''
Whether to enable the jenkins continuous integration server.
'';
};
user = mkOption {
default = "jenkins";
type = types.str;
description = ''
User the jenkins server should execute under.
'';
};
group = mkOption {
default = "jenkins";
type = types.str;
description = ''
If the default user "jenkins" is configured then this is the primary
group of that user.
'';
};
extraGroups = mkOption {
type = types.listOf types.str;
default = [ ];
example = [ "wheel" "dialout" ];
description = ''
List of extra groups that the "jenkins" user should be a part of.
'';
};
home = mkOption {
default = "/var/lib/jenkins";
type = types.path;
description = ''
The path to use as JENKINS_HOME. If the default user "jenkins" is configured then
this is the home of the "jenkins" user.
'';
};
listenAddress = mkOption {
default = "0.0.0.0";
example = "localhost";
type = types.str;
description = ''
Specifies the bind address on which the jenkins HTTP interface listens.
The default is the wildcard address.
'';
};
port = mkOption {
default = 8080;
type = types.int;
description = ''
Specifies port number on which the jenkins HTTP interface listens.
The default is 8080.
'';
};
prefix = mkOption {
default = "";
example = "/jenkins";
type = types.str;
description = ''
Specifies a urlPrefix to use with jenkins.
If the example /jenkins is given, the jenkins server will be
accessible using localhost:8080/jenkins.
'';
};
package = mkOption {
default = pkgs.jenkins;
defaultText = "pkgs.jenkins";
type = types.package;
description = "Jenkins package to use.";
};
packages = mkOption {
default = [ pkgs.stdenv pkgs.git pkgs.jdk config.programs.ssh.package pkgs.nix ];
defaultText = "[ pkgs.stdenv pkgs.git pkgs.jdk config.programs.ssh.package pkgs.nix ]";
type = types.listOf types.package;
description = ''
Packages to add to PATH for the jenkins process.
'';
};
environment = mkOption {
default = { };
type = with types; attrsOf str;
description = ''
Additional environment variables to be passed to the jenkins process.
As a base environment, jenkins receives NIX_PATH from
<option>environment.sessionVariables</option>, NIX_REMOTE is set to
"daemon" and JENKINS_HOME is set to the value of
<option>services.jenkins.home</option>.
This option has precedence and can be used to override those
mentioned variables.
'';
};
plugins = mkOption {
default = null;
type = types.nullOr (types.attrsOf types.package);
description = ''
A set of plugins to activate. Note that this will completely
remove and replace any previously installed plugins. If you
have manually-installed plugins that you want to keep while
using this module, set this option to
<literal>null</literal>. You can generate this set with a
tool such as <literal>jenkinsPlugins2nix</literal>.
'';
example = literalExample ''
import path/to/jenkinsPlugins2nix-generated-plugins.nix { inherit (pkgs) fetchurl stdenv; }
'';
};
extraOptions = mkOption {
type = types.listOf types.str;
default = [ ];
example = [ "--debug=9" ];
description = ''
Additional command line arguments to pass to Jenkins.
'';
};
extraJavaOptions = mkOption {
type = types.listOf types.str;
default = [ ];
example = [ "-Xmx80m" ];
description = ''
Additional command line arguments to pass to the Java run time (as opposed to Jenkins).
'';
};
};
};
config = mkIf cfg.enable {
# server references the dejavu fonts
environment.systemPackages = [
pkgs.dejavu_fonts
];
users.groups = optional (cfg.group == "jenkins") {
name = "jenkins";
gid = config.ids.gids.jenkins;
};
users.users = optional (cfg.user == "jenkins") {
name = "jenkins";
description = "jenkins user";
createHome = true;
home = cfg.home;
group = cfg.group;
extraGroups = cfg.extraGroups;
useDefaultShell = true;
uid = config.ids.uids.jenkins;
};
systemd.services.jenkins = {
description = "Jenkins Continuous Integration 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 //
{ JENKINS_HOME = cfg.home;
NIX_REMOTE = "daemon";
} //
cfg.environment;
path = cfg.packages;
# Force .war (re)extraction, or else we might run stale Jenkins.
preStart =
let replacePlugins =
if cfg.plugins == null
then ""
else
let pluginCmds = lib.attrsets.mapAttrsToList
(n: v: "cp ${v} ${cfg.home}/plugins/${n}.hpi")
cfg.plugins;
in ''
rm -r ${cfg.home}/plugins || true
mkdir -p ${cfg.home}/plugins
${lib.strings.concatStringsSep "\n" pluginCmds}
'';
in ''
rm -rf ${cfg.home}/war
${replacePlugins}
'';
# For reference: https://wiki.jenkins.io/display/JENKINS/JenkinsLinuxStartupScript
script = ''
${pkgs.jdk}/bin/java ${concatStringsSep " " cfg.extraJavaOptions} -jar ${cfg.package}/webapps/jenkins.war --httpListenAddress=${cfg.listenAddress} \
--httpPort=${toString cfg.port} \
--prefix=${cfg.prefix} \
-Djava.awt.headless=true \
${concatStringsSep " " cfg.extraOptions}
'';
postStart = ''
until [[ $(${pkgs.curl.bin}/bin/curl -L -s --head -w '\n%{http_code}' http://${cfg.listenAddress}:${toString cfg.port}${cfg.prefix} | tail -n1) =~ ^(200|403)$ ]]; do
sleep 1
done
'';
serviceConfig = {
User = cfg.user;
};
};
};
}
|