diff options
Diffstat (limited to 'krebs/3modules/buildbot/slave.nix')
-rw-r--r-- | krebs/3modules/buildbot/slave.nix | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/krebs/3modules/buildbot/slave.nix b/krebs/3modules/buildbot/slave.nix new file mode 100644 index 000000000..65291f63e --- /dev/null +++ b/krebs/3modules/buildbot/slave.nix @@ -0,0 +1,185 @@ +{ config, pkgs, lib, ... }: + +with 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 = 1408105834; #genid buildbotMaster + 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 = { + NIX_REMOTE="daemon"; + } // cfg.extraEnviron; + + serviceConfig = let + workdir = "${lib.shell.escape cfg.workDir}"; + contact = "${lib.shell.escape cfg.contact}"; + description = "${lib.shell.escape cfg.description}"; + buildbot = pkgs.buildbot-slave; + # TODO:make this + in { + PermissionsStartOnly = true; + Type = "forking"; + PIDFile = "${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 = mkIf cfg.enable imp; +} |