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|
{ config, pkgs, lib, ... }:
with config.krebs.lib;
let
buildbot-slave-init = pkgs.writeText "buildbot-slave.tac" ''
import os
from buildslave.bot import BuildSlave
from twisted.application import service
basedir = '${cfg.workDir}'
rotateLength = 10000000
maxRotatedFiles = 10
application = service.Application('buildslave')
from twisted.python.logfile import LogFile
from twisted.python.log import ILogObserver, FileLogObserver
logfile = LogFile.fromFullPath(os.path.join(basedir, "twistd.log"), rotateLength=rotateLength,
maxRotatedFiles=maxRotatedFiles)
application.setComponent(ILogObserver, FileLogObserver(logfile).emit)
buildmaster_host = '${cfg.masterhost}'
# TODO: masterport?
port = 9989
slavename = '${cfg.username}'
passwd = '${cfg.password}'
keepalive = 600
usepty = 0
umask = None
maxdelay = 300
allow_shutdown = None
${cfg.extraConfig}
s = BuildSlave(buildmaster_host, port, slavename, passwd, basedir,
keepalive, usepty, umask=umask, maxdelay=maxdelay,
allow_shutdown=allow_shutdown)
s.setServiceParent(application)
'';
default-packages = [ pkgs.git pkgs.bash ];
cfg = config.krebs.buildbot.slave;
api = {
enable = mkEnableOption "Buildbot Slave";
workDir = mkOption {
default = "/var/lib/buildbot/slave";
type = types.str;
description = ''
Path to build bot slave directory.
Will be created on startup.
'';
};
masterhost = mkOption {
default = "localhost";
type = types.str;
description = ''
Hostname/IP of the buildbot master
'';
};
username = mkOption {
type = types.str;
description = ''
slavename used to authenticate with master
'';
};
password = mkOption {
type = types.str;
description = ''
slave password used to authenticate with master
'';
};
contact = mkOption {
default = "nix slave <buildslave@${config.networking.hostName}>";
type = types.str;
description = ''
contact to be announced by buildslave
'';
};
description = mkOption {
default = "Nix Generated BuildSlave";
type = types.str;
description = ''
description for hostto be announced by buildslave
'';
};
packages = mkOption {
default = [ pkgs.git ];
type = with types; listOf package;
description = ''
packages which should be in path for buildslave
'';
};
extraEnviron = mkOption {
default = {};
example = {
NIX_PATH = "nixpkgs=/path/to/my/nixpkgs";
};
type = types.attrsOf types.str;
description = ''
extra environment variables to be provided to the buildslave service
if you need nixpkgs, e.g. for running nix-shell you can set NIX_PATH here.
'';
};
extraConfig = mkOption {
default = "";
type = types.lines;
example = ''
port = 443
keepalive = 600
'';
description = ''
extra config evaluated before calling BuildSlave init in .tac file
'';
};
};
imp = {
users.extraUsers.buildbotSlave = {
uid = genid "buildbotSlave";
description = "Buildbot Slave";
home = cfg.workDir;
createHome = false;
};
users.extraGroups.buildbotSlave = {
gid = 1408105834;
};
systemd.services."buildbotSlave-${cfg.username}-${cfg.masterhost}" = {
description = "Buildbot Slave for ${cfg.username}@${cfg.masterhost}";
after = [ "network.target" ];
wantedBy = [ "multi-user.target" ];
path = default-packages ++ cfg.packages;
environment = {
SSL_CERT_FILE = "${pkgs.cacert}/etc/ssl/certs/ca-bundle.crt";
NIX_REMOTE="daemon";
} // cfg.extraEnviron;
serviceConfig = let
workdir = "${shell.escape cfg.workDir}";
contact = "${shell.escape cfg.contact}";
description = "${shell.escape cfg.description}";
buildbot = pkgs.buildbot-slave;
# TODO:make this
in {
PermissionsStartOnly = true;
Type = "forking";
PIDFile = "${workdir}/twistd.pid";
# TODO: maybe also prepare buildbot.tac?
ExecStartPre = pkgs.writeScript "buildbot-master-init" ''
#!/bin/sh
set -efux
mkdir -p ${workdir}/info
cp ${buildbot-slave-init} ${workdir}/buildbot.tac
echo ${contact} > ${workdir}/info/admin
echo ${description} > ${workdir}/info/host
chown buildbotSlave:buildbotSlave -R ${workdir}
chmod 700 -R ${workdir}
'';
ExecStart = "${buildbot}/bin/buildslave start ${workdir}";
ExecStop = "${buildbot}/bin/buildslave stop ${workdir}";
PrivateTmp = "true";
User = "buildbotSlave";
Restart = "always";
RestartSec = "10";
};
};
};
in
{
options.krebs.buildbot.slave = api;
config = lib.mkIf cfg.enable imp;
}
|
