[perso/Immae/Config/Nix.git] / nixops / modules / buildbot / default.nix

{ lib, pkgs, config, myconfig, ... }:
let
  varDir = "/var/lib/buildbot";
  buildbot_common = pkgs.python3Packages.buildPythonPackage rec {
    name = "buildbot_common";
    src = ./common;
    format = "other";
    installPhase = ''
      mkdir -p $out/${pkgs.python3.pythonForBuild.sitePackages}
      cp -a $src $out/${pkgs.python3.pythonForBuild.sitePackages}/buildbot_common
      '';
  };
  buildbot = pkgs.python3Packages.buildbot-full;
in
{
  options = {
    services.buildbot.enable = lib.mkOption {
      type = lib.types.bool;
      default = false;
      description = ''
        Whether to enable buildbot.
      '';
    };
  };

  config = lib.mkIf config.services.buildbot.enable {
    ids.uids.buildbot = myconfig.env.buildbot.user.uid;
    ids.gids.buildbot = myconfig.env.buildbot.user.gid;

    users.groups.buildbot.gid = config.ids.gids.buildbot;
    users.users.buildbot = {
      name = "buildbot";
      uid = config.ids.uids.buildbot;
      group = "buildbot";
      description = "Buildbot user";
      home = varDir;
      extraGroups = [ "keys" ];
    };

    services.websites.tools.vhostConfs.git.extraConfig = lib.attrsets.mapAttrsToList (k: project: ''
        RedirectMatch permanent "^/buildbot/${project.name}$" "/buildbot/${project.name}/"
        RewriteEngine On
        RewriteRule ^/buildbot/${project.name}/ws(.*)$   unix:///run/buildbot/${project.name}.sock|ws://git.immae.eu/ws$1 [P,NE,QSA,L]
        ProxyPass /buildbot/${project.name}/             unix:///run/buildbot/${project.name}.sock|http://${project.name}-git.immae.eu/
        ProxyPassReverse /buildbot/${project.name}/      unix:///run/buildbot/${project.name}.sock|http://${project.name}-git.immae.eu/
        <Location /buildbot/${project.name}/>
          Use LDAPConnect
          Require ldap-group cn=users,ou=${project.name},cn=buildbot,ou=services,dc=immae,dc=eu

          SetEnvIf X-Url-Scheme https HTTPS=1
          ProxyPreserveHost On
        </Location>
        <Location /buildbot/${project.name}/change_hook/base>
          <RequireAny>
            Require local
            Require ldap-group cn=users,ou=${project.name},cn=buildbot,ou=services,dc=immae,dc=eu
            Include /var/secrets/buildbot/${project.name}/webhook-httpd-include
          </RequireAny>
        </Location>
        '') myconfig.env.buildbot.projects;

    system.activationScripts = lib.attrsets.mapAttrs' (k: project: lib.attrsets.nameValuePair "buildbot-${project.name}" {
      deps = [ "users" "wrappers" ];
      text = project.activationScript;
    }) myconfig.env.buildbot.projects;

    secrets.keys = (
      lib.lists.flatten (
        lib.attrsets.mapAttrsToList (k: project:
          lib.attrsets.mapAttrsToList (k: v:
            {
              permissions = "0600";
              user = "buildbot";
              group = "buildbot";
              text = v;
              dest = "buildbot/${project.name}/${k}";
            }
          ) project.secrets
          ++ [
            {
              permissions = "0600";
              user = "wwwrun";
              group = "wwwrun";
              text = lib.optionalString (lib.attrsets.hasAttr "webhookTokens" project) ''
                Require expr "req('Access-Key') in { ${builtins.concatStringsSep ", " (map (x: "'${x}'") project.webhookTokens)} }"
                '';
              dest = "buildbot/${project.name}/webhook-httpd-include";
            }
          ]
        ) myconfig.env.buildbot.projects
      )
    ) ++ [
      {
        permissions = "0600";
        user = "buildbot";
        group = "buildbot";
        text = myconfig.env.buildbot.ldap.password;
        dest = "buildbot/ldap";
      }
      {
        permissions = "0600";
        user = "buildbot";
        group = "buildbot";
        text = builtins.readFile "${myconfig.privateFiles}/buildbot_ssh_key";
        dest = "buildbot/ssh_key";
      }
    ];

    systemd.services = lib.attrsets.mapAttrs' (k: project: lib.attrsets.nameValuePair "buildbot-${project.name}" {
      description = "Buildbot Continuous Integration Server ${project.name}.";
      after = [ "network-online.target" ];
      wantedBy = [ "multi-user.target" ];
      path = project.packages pkgs ++ (project.pythonPackages buildbot.pythonModule pkgs);
      preStart = let
        master-cfg = "${buildbot_common}/${pkgs.python3.pythonForBuild.sitePackages}/buildbot_common/master.cfg";
        tac_file = pkgs.writeText "buildbot.tac" ''
            import os

            from twisted.application import service
            from buildbot.master import BuildMaster

            basedir = '${varDir}/${project.name}'
            rotateLength = 10000000
            maxRotatedFiles = 10
            configfile = '${master-cfg}'

            # Default umask for server
            umask = None

            # if this is a relocatable tac file, get the directory containing the TAC
            if basedir == '.':
                import os
                basedir = os.path.abspath(os.path.dirname(__file__))

            # note: this line is matched against to check that this is a buildmaster
            # directory; do not edit it.
            application = service.Application('buildmaster')
            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)

            m = BuildMaster(basedir, configfile, umask)
            m.setServiceParent(application)
            m.log_rotation.rotateLength = rotateLength
            m.log_rotation.maxRotatedFiles = maxRotatedFiles
          '';
      in ''
      if [ ! -f ${varDir}/${project.name}/buildbot.tac ]; then
        ${buildbot}/bin/buildbot create-master -c "${master-cfg}" "${varDir}/${project.name}"
        rm -f ${varDir}/${project.name}/master.cfg.sample
        rm -f ${varDir}/${project.name}/buildbot.tac
      fi
      ln -sf ${tac_file} ${varDir}/${project.name}/buildbot.tac
      # different buildbots may be trying that simultaneously, add the || true to avoid complaining in case of race
      install -Dm600 -o buildbot -g buildbot -T /var/secrets/buildbot/ssh_key ${varDir}/buildbot_key || true
      buildbot_secrets=${varDir}/${project.name}/secrets
      install -m 0700 -o buildbot -g buildbot -d $buildbot_secrets
      install -Dm600 -o buildbot -g buildbot -T /var/secrets/buildbot/ldap $buildbot_secrets/ldap
      ${builtins.concatStringsSep "\n" (lib.attrsets.mapAttrsToList
        (k: v: "install -Dm600 -o buildbot -g buildbot -T /var/secrets/buildbot/${project.name}/${k} $buildbot_secrets/${k}") project.secrets
      )}
      '';
      environment = let
        project_env = lib.attrsets.mapAttrs' (k: v: lib.attrsets.nameValuePair "BUILDBOT_${k}" v) project.environment;
        buildbot_config = pkgs.python3Packages.buildPythonPackage (rec {
          name = "buildbot_config-${project.name}";
          src = ./projects + "/${project.name}";
          format = "other";
          installPhase = ''
            mkdir -p $out/${pkgs.python3.pythonForBuild.sitePackages}
            cp -a $src $out/${pkgs.python3.pythonForBuild.sitePackages}/buildbot_config
            '';
        });
        HOME = "${varDir}/${project.name}";
        PYTHONPATH = "${buildbot.pythonModule.withPackages (self: project.pythonPackages self pkgs ++ [
          pkgs.python3Packages.wokkel
          pkgs.python3Packages.treq pkgs.python3Packages.ldap3 buildbot
          pkgs.python3Packages.buildbot-worker
          buildbot_common buildbot_config
        ])}/${buildbot.pythonModule.sitePackages}${if project.pythonPathHome then ":${varDir}/${project.name}/.local/${pkgs.python3.pythonForBuild.sitePackages}" else ""}";
      in project_env // { inherit PYTHONPATH HOME; };

      serviceConfig = {
        Type = "forking";
        User = "buildbot";
        Group = "buildbot";
        RuntimeDirectory = "buildbot";
        RuntimeDirectoryPreserve = "yes";
        StateDirectory = "buildbot";
        SupplementaryGroups = "keys";
        WorkingDirectory = "${varDir}/${project.name}";
        ExecStart = "${buildbot}/bin/buildbot start";
      };
    }) myconfig.env.buildbot.projects;
  };
}
Commit	Line	Data
	1	{ lib, pkgs, config, myconfig, ... }:
	2	let
	3	varDir = "/var/lib/buildbot";
	4	buildbot_common = pkgs.python3Packages.buildPythonPackage rec {
	5	name = "buildbot_common";
	6	src = ./common;
	7	format = "other";
	8	installPhase = ''
	9	mkdir -p $out/${pkgs.python3.pythonForBuild.sitePackages}
	10	cp -a $src $out/${pkgs.python3.pythonForBuild.sitePackages}/buildbot_common
	11	'';
	12	};
	13	buildbot = pkgs.python3Packages.buildbot-full;
	14	in
	15	{
	16	options = {
	17	services.buildbot.enable = lib.mkOption {
	18	type = lib.types.bool;
	19	default = false;
	20	description = ''
	21	Whether to enable buildbot.
	22	'';
	23	};
	24	};
	25
	26	config = lib.mkIf config.services.buildbot.enable {
	27	ids.uids.buildbot = myconfig.env.buildbot.user.uid;
	28	ids.gids.buildbot = myconfig.env.buildbot.user.gid;
	29
	30	users.groups.buildbot.gid = config.ids.gids.buildbot;
	31	users.users.buildbot = {
	32	name = "buildbot";
	33	uid = config.ids.uids.buildbot;
	34	group = "buildbot";
	35	description = "Buildbot user";
	36	home = varDir;
	37	extraGroups = [ "keys" ];
	38	};
	39
	40	services.websites.tools.vhostConfs.git.extraConfig = lib.attrsets.mapAttrsToList (k: project: ''
	41	RedirectMatch permanent "^/buildbot/${project.name}$" "/buildbot/${project.name}/"
	42	RewriteEngine On
	43	RewriteRule ^/buildbot/${project.name}/ws(.*)$ unix:///run/buildbot/${project.name}.sock\|ws://git.immae.eu/ws$1 [P,NE,QSA,L]
	44	ProxyPass /buildbot/${project.name}/ unix:///run/buildbot/${project.name}.sock\|http://${project.name}-git.immae.eu/
	45	ProxyPassReverse /buildbot/${project.name}/ unix:///run/buildbot/${project.name}.sock\|http://${project.name}-git.immae.eu/
	46	<Location /buildbot/${project.name}/>
	47	Use LDAPConnect
	48	Require ldap-group cn=users,ou=${project.name},cn=buildbot,ou=services,dc=immae,dc=eu
	49
	50	SetEnvIf X-Url-Scheme https HTTPS=1
	51	ProxyPreserveHost On
	52	</Location>
	53	<Location /buildbot/${project.name}/change_hook/base>
	54	<RequireAny>
	55	Require local
	56	Require ldap-group cn=users,ou=${project.name},cn=buildbot,ou=services,dc=immae,dc=eu
	57	Include /var/secrets/buildbot/${project.name}/webhook-httpd-include
	58	</RequireAny>
	59	</Location>
	60	'') myconfig.env.buildbot.projects;
	61
	62	system.activationScripts = lib.attrsets.mapAttrs' (k: project: lib.attrsets.nameValuePair "buildbot-${project.name}" {
	63	deps = [ "users" "wrappers" ];
	64	text = project.activationScript;
	65	}) myconfig.env.buildbot.projects;
	66
	67	secrets.keys = (
	68	lib.lists.flatten (
	69	lib.attrsets.mapAttrsToList (k: project:
	70	lib.attrsets.mapAttrsToList (k: v:
	71	{
	72	permissions = "0600";
	73	user = "buildbot";
	74	group = "buildbot";
	75	text = v;
	76	dest = "buildbot/${project.name}/${k}";
	77	}
	78	) project.secrets
	79	++ [
	80	{
	81	permissions = "0600";
	82	user = "wwwrun";
	83	group = "wwwrun";
	84	text = lib.optionalString (lib.attrsets.hasAttr "webhookTokens" project) ''
	85	Require expr "req('Access-Key') in { ${builtins.concatStringsSep ", " (map (x: "'${x}'") project.webhookTokens)} }"
	86	'';
	87	dest = "buildbot/${project.name}/webhook-httpd-include";
	88	}
	89	]
	90	) myconfig.env.buildbot.projects
	91	)
	92	) ++ [
	93	{
	94	permissions = "0600";
	95	user = "buildbot";
	96	group = "buildbot";
	97	text = myconfig.env.buildbot.ldap.password;
	98	dest = "buildbot/ldap";
	99	}
	100	{
	101	permissions = "0600";
	102	user = "buildbot";
	103	group = "buildbot";
	104	text = builtins.readFile "${myconfig.privateFiles}/buildbot_ssh_key";
	105	dest = "buildbot/ssh_key";
	106	}
	107	];
	108
	109	systemd.services = lib.attrsets.mapAttrs' (k: project: lib.attrsets.nameValuePair "buildbot-${project.name}" {
	110	description = "Buildbot Continuous Integration Server ${project.name}.";
	111	after = [ "network-online.target" ];
	112	wantedBy = [ "multi-user.target" ];
	113	path = project.packages pkgs ++ (project.pythonPackages buildbot.pythonModule pkgs);
	114	preStart = let
	115	master-cfg = "${buildbot_common}/${pkgs.python3.pythonForBuild.sitePackages}/buildbot_common/master.cfg";
	116	tac_file = pkgs.writeText "buildbot.tac" ''
	117	import os
	118
	119	from twisted.application import service
	120	from buildbot.master import BuildMaster
	121
	122	basedir = '${varDir}/${project.name}'
	123	rotateLength = 10000000
	124	maxRotatedFiles = 10
	125	configfile = '${master-cfg}'
	126
	127	# Default umask for server
	128	umask = None
	129
	130	# if this is a relocatable tac file, get the directory containing the TAC
	131	if basedir == '.':
	132	import os
	133	basedir = os.path.abspath(os.path.dirname(__file__))
	134
	135	# note: this line is matched against to check that this is a buildmaster
	136	# directory; do not edit it.
	137	application = service.Application('buildmaster')
	138	from twisted.python.logfile import LogFile
	139	from twisted.python.log import ILogObserver, FileLogObserver
	140	logfile = LogFile.fromFullPath(os.path.join(basedir, "twistd.log"), rotateLength=rotateLength,
	141	maxRotatedFiles=maxRotatedFiles)
	142	application.setComponent(ILogObserver, FileLogObserver(logfile).emit)
	143
	144	m = BuildMaster(basedir, configfile, umask)
	145	m.setServiceParent(application)
	146	m.log_rotation.rotateLength = rotateLength
	147	m.log_rotation.maxRotatedFiles = maxRotatedFiles
	148	'';
	149	in ''
	150	if [ ! -f ${varDir}/${project.name}/buildbot.tac ]; then
	151	${buildbot}/bin/buildbot create-master -c "${master-cfg}" "${varDir}/${project.name}"
	152	rm -f ${varDir}/${project.name}/master.cfg.sample
	153	rm -f ${varDir}/${project.name}/buildbot.tac
	154	fi
	155	ln -sf ${tac_file} ${varDir}/${project.name}/buildbot.tac
	156	# different buildbots may be trying that simultaneously, add the \|\| true to avoid complaining in case of race
	157	install -Dm600 -o buildbot -g buildbot -T /var/secrets/buildbot/ssh_key ${varDir}/buildbot_key \|\| true
	158	buildbot_secrets=${varDir}/${project.name}/secrets
	159	install -m 0700 -o buildbot -g buildbot -d $buildbot_secrets
	160	install -Dm600 -o buildbot -g buildbot -T /var/secrets/buildbot/ldap $buildbot_secrets/ldap
	161	${builtins.concatStringsSep "\n" (lib.attrsets.mapAttrsToList
	162	(k: v: "install -Dm600 -o buildbot -g buildbot -T /var/secrets/buildbot/${project.name}/${k} $buildbot_secrets/${k}") project.secrets
	163	)}
	164	'';
	165	environment = let
	166	project_env = lib.attrsets.mapAttrs' (k: v: lib.attrsets.nameValuePair "BUILDBOT_${k}" v) project.environment;
	167	buildbot_config = pkgs.python3Packages.buildPythonPackage (rec {
	168	name = "buildbot_config-${project.name}";
	169	src = ./projects + "/${project.name}";
	170	format = "other";
	171	installPhase = ''
	172	mkdir -p $out/${pkgs.python3.pythonForBuild.sitePackages}
	173	cp -a $src $out/${pkgs.python3.pythonForBuild.sitePackages}/buildbot_config
	174	'';
	175	});
	176	HOME = "${varDir}/${project.name}";
	177	PYTHONPATH = "${buildbot.pythonModule.withPackages (self: project.pythonPackages self pkgs ++ [
	178	pkgs.python3Packages.wokkel
	179	pkgs.python3Packages.treq pkgs.python3Packages.ldap3 buildbot
	180	pkgs.python3Packages.buildbot-worker
	181	buildbot_common buildbot_config
	182	])}/${buildbot.pythonModule.sitePackages}${if project.pythonPathHome then ":${varDir}/${project.name}/.local/${pkgs.python3.pythonForBuild.sitePackages}" else ""}";
	183	in project_env // { inherit PYTHONPATH HOME; };
	184
	185	serviceConfig = {
	186	Type = "forking";
	187	User = "buildbot";
	188	Group = "buildbot";
	189	RuntimeDirectory = "buildbot";
	190	RuntimeDirectoryPreserve = "yes";
	191	StateDirectory = "buildbot";
	192	SupplementaryGroups = "keys";
	193	WorkingDirectory = "${varDir}/${project.name}";
	194	ExecStart = "${buildbot}/bin/buildbot start";
	195	};
	196	}) myconfig.env.buildbot.projects;
	197	};
	198	}