From c527fd1f14c27855a37f2e8ac5346ce8d940ced2 Mon Sep 17 00:00:00 2001 From: Tudor Florea Date: Thu, 16 Oct 2014 03:05:19 +0200 Subject: initial commit for Enea Linux 4.0-140929 Migrated from the internal git server on the daisy-enea-point-release branch Signed-off-by: Tudor Florea --- meta/classes/systemd.bbclass | 198 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 198 insertions(+) create mode 100644 meta/classes/systemd.bbclass (limited to 'meta/classes/systemd.bbclass') diff --git a/meta/classes/systemd.bbclass b/meta/classes/systemd.bbclass new file mode 100644 index 0000000000..2bd63a405b --- /dev/null +++ b/meta/classes/systemd.bbclass @@ -0,0 +1,198 @@ +# The list of packages that should have systemd packaging scripts added. For +# each entry, optionally have a SYSTEMD_SERVICE_[package] that lists the service +# files in this package. If this variable isn't set, [package].service is used. +SYSTEMD_PACKAGES ?= "${PN}" +SYSTEMD_PACKAGES_class-native ?= "" +SYSTEMD_PACKAGES_class-nativesdk ?= "" + +# Whether to enable or disable the services on installation. +SYSTEMD_AUTO_ENABLE ??= "enable" + +# This class will be included in any recipe that supports systemd init scripts, +# even if systemd is not in DISTRO_FEATURES. As such don't make any changes +# directly but check the DISTRO_FEATURES first. +python __anonymous() { + # If the distro features have systemd but not sysvinit, inhibit update-rcd + # from doing any work so that pure-systemd images don't have redundant init + # files. + if oe.utils.contains('DISTRO_FEATURES', 'systemd', True, False, d): + d.appendVar("DEPENDS", " systemd-systemctl-native") + if not oe.utils.contains('DISTRO_FEATURES', 'sysvinit', True, False, d): + d.setVar("INHIBIT_UPDATERCD_BBCLASS", "1") +} + +systemd_postinst() { +OPTS="" + +if [ -n "$D" ]; then + OPTS="--root=$D" +fi + +if type systemctl >/dev/null 2>/dev/null; then + systemctl $OPTS ${SYSTEMD_AUTO_ENABLE} ${SYSTEMD_SERVICE} + + if [ -z "$D" -a "${SYSTEMD_AUTO_ENABLE}" = "enable" ]; then + systemctl restart ${SYSTEMD_SERVICE} + fi +fi +} + +systemd_prerm() { +OPTS="" + +if [ -n "$D" ]; then + OPTS="--root=$D" +fi + +if type systemctl >/dev/null 2>/dev/null; then + if [ -z "$D" ]; then + systemctl stop ${SYSTEMD_SERVICE} + fi + + systemctl $OPTS disable ${SYSTEMD_SERVICE} +fi +} + + +systemd_populate_packages[vardeps] += "systemd_prerm systemd_postinst" + +python systemd_populate_packages() { + if not oe.utils.contains('DISTRO_FEATURES', 'systemd', True, False, d): + return + + def get_package_var(d, var, pkg): + val = (d.getVar('%s_%s' % (var, pkg), True) or "").strip() + if val == "": + val = (d.getVar(var, True) or "").strip() + return val + + # Check if systemd-packages already included in PACKAGES + def systemd_check_package(pkg_systemd): + packages = d.getVar('PACKAGES', True) + if not pkg_systemd in packages.split(): + bb.error('%s does not appear in package list, please add it' % pkg_systemd) + + + def systemd_generate_package_scripts(pkg): + bb.debug(1, 'adding systemd calls to postinst/postrm for %s' % pkg) + + # Add pkg to the overrides so that it finds the SYSTEMD_SERVICE_pkg + # variable. + localdata = d.createCopy() + localdata.prependVar("OVERRIDES", pkg + ":") + bb.data.update_data(localdata) + + postinst = d.getVar('pkg_postinst_%s' % pkg, True) + if not postinst: + postinst = '#!/bin/sh\n' + postinst += localdata.getVar('systemd_postinst', True) + d.setVar('pkg_postinst_%s' % pkg, postinst) + + prerm = d.getVar('pkg_prerm_%s' % pkg, True) + if not prerm: + prerm = '#!/bin/sh\n' + prerm += localdata.getVar('systemd_prerm', True) + d.setVar('pkg_prerm_%s' % pkg, prerm) + + + # Add files to FILES_*-systemd if existent and not already done + def systemd_append_file(pkg_systemd, file_append): + appended = False + if os.path.exists(oe.path.join(d.getVar("D", True), file_append)): + var_name = "FILES_" + pkg_systemd + files = d.getVar(var_name, False) or "" + if file_append not in files.split(): + d.appendVar(var_name, " " + file_append) + appended = True + return appended + + # Add systemd files to FILES_*-systemd, parse for Also= and follow recursive + def systemd_add_files_and_parse(pkg_systemd, path, service, keys): + # avoid infinite recursion + if systemd_append_file(pkg_systemd, oe.path.join(path, service)): + fullpath = oe.path.join(d.getVar("D", True), path, service) + if service.find('.service') != -1: + # for *.service add *@.service + service_base = service.replace('.service', '') + systemd_add_files_and_parse(pkg_systemd, path, service_base + '@.service', keys) + if service.find('.socket') != -1: + # for *.socket add *.service and *@.service + service_base = service.replace('.socket', '') + systemd_add_files_and_parse(pkg_systemd, path, service_base + '.service', keys) + systemd_add_files_and_parse(pkg_systemd, path, service_base + '@.service', keys) + for key in keys.split(): + # recurse all dependencies found in keys ('Also';'Conflicts';..) and add to files + cmd = "grep %s %s | sed 's,%s=,,g' | tr ',' '\\n'" % (key, fullpath, key) + pipe = os.popen(cmd, 'r') + line = pipe.readline() + while line: + line = line.replace('\n', '') + systemd_add_files_and_parse(pkg_systemd, path, line, keys) + line = pipe.readline() + pipe.close() + + # Check service-files and call systemd_add_files_and_parse for each entry + def systemd_check_services(): + searchpaths = [oe.path.join(d.getVar("sysconfdir", True), "systemd", "system"),] + searchpaths.append(oe.path.join(d.getVar("nonarch_base_libdir", True), "systemd", "system")) + searchpaths.append(oe.path.join(d.getVar("exec_prefix", True), d.getVar("nonarch_base_libdir", True), "systemd", "system")) + systemd_packages = d.getVar('SYSTEMD_PACKAGES', True) + has_exactly_one_service = len(systemd_packages.split()) == 1 + if has_exactly_one_service: + has_exactly_one_service = len(get_package_var(d, 'SYSTEMD_SERVICE', systemd_packages).split()) == 1 + + keys = 'Also' # Conflicts?? + if has_exactly_one_service: + # single service gets also the /dev/null dummies + keys = 'Also Conflicts' + # scan for all in SYSTEMD_SERVICE[] + for pkg_systemd in systemd_packages.split(): + for service in get_package_var(d, 'SYSTEMD_SERVICE', pkg_systemd).split(): + path_found = '' + for path in searchpaths: + if os.path.exists(oe.path.join(d.getVar("D", True), path, service)): + path_found = path + break + if path_found != '': + systemd_add_files_and_parse(pkg_systemd, path_found, service, keys) + else: + raise bb.build.FuncFailed("SYSTEMD_SERVICE_%s value %s does not exist" % \ + (pkg_systemd, service)) + + # Run all modifications once when creating package + if os.path.exists(d.getVar("D", True)): + for pkg in d.getVar('SYSTEMD_PACKAGES', True).split(): + systemd_check_package(pkg) + if d.getVar('SYSTEMD_SERVICE_' + pkg, True): + systemd_generate_package_scripts(pkg) + systemd_check_services() +} + +PACKAGESPLITFUNCS_prepend = "systemd_populate_packages " + +python rm_systemd_unitdir (){ + import shutil + if not oe.utils.contains('DISTRO_FEATURES', 'systemd', True, False, d): + systemd_unitdir = oe.path.join(d.getVar("D", True), d.getVar('systemd_unitdir', True)) + if os.path.exists(systemd_unitdir): + shutil.rmtree(systemd_unitdir) + systemd_libdir = os.path.dirname(systemd_unitdir) + if (os.path.exists(systemd_libdir) and not os.listdir(systemd_libdir)): + os.rmdir(systemd_libdir) +} +do_install[postfuncs] += "rm_systemd_unitdir " + +python rm_sysvinit_initddir (){ + import shutil + sysv_initddir = oe.path.join(d.getVar("D", True), (d.getVar('INIT_D_DIR', True) or "/etc/init.d")) + + if oe.utils.contains('DISTRO_FEATURES', 'systemd', True, False, d) and \ + not oe.utils.contains('DISTRO_FEATURES', 'sysvinit', True, False, d) and \ + os.path.exists(sysv_initddir): + systemd_unitdir = oe.path.join(d.getVar("D", True), d.getVar('systemd_unitdir', True), "system") + + # If systemd_unitdir contains anything, delete sysv_initddir + if (os.path.exists(systemd_unitdir) and os.listdir(systemd_unitdir)): + shutil.rmtree(sysv_initddir) +} +do_install[postfuncs] += "rm_sysvinit_initddir " -- cgit v1.2.3-54-g00ecf