Squashed 'yocto-poky/' content from commit ea562de
git-subtree-dir: yocto-poky
git-subtree-split: ea562de57590c966cd5a75fda8defecd397e6436
diff --git a/meta/classes/systemd.bbclass b/meta/classes/systemd.bbclass
new file mode 100644
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--- /dev/null
+++ b/meta/classes/systemd.bbclass
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+# 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 ?= "${PN}"
+SYSTEMD_PACKAGES_class-native ?= ""
+SYSTEMD_PACKAGES_class-nativesdk ?= ""
+
+# Whether to enable or disable the services on installation.
+SYSTEMD_AUTO_ENABLE ??= "enable"
+
+# This class will be included in any recipe that supports systemd init scripts,
+# even if systemd is not in DISTRO_FEATURES. As such don't make any changes
+# directly but check the DISTRO_FEATURES first.
+python __anonymous() {
+ # If the distro features have systemd but not sysvinit, inhibit update-rcd
+ # from doing any work so that pure-systemd images don't have redundant init
+ # files.
+ if bb.utils.contains('DISTRO_FEATURES', 'systemd', True, False, d):
+ d.appendVar("DEPENDS", " systemd-systemctl-native")
+ if not bb.utils.contains('DISTRO_FEATURES', 'sysvinit', True, False, d):
+ d.setVar("INHIBIT_UPDATERCD_BBCLASS", "1")
+}
+
+systemd_postinst() {
+OPTS=""
+
+if [ -n "$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"
+systemd_populate_packages[vardepsexclude] += "OVERRIDES"
+
+
+python systemd_populate_packages() {
+ if not bb.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(d.getVar("systemd_system_unitdir", True))
+ systemd_packages = d.getVar('SYSTEMD_PACKAGES', True)
+
+ keys = 'Also'
+ # 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 bb.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 bb.utils.contains('DISTRO_FEATURES', 'systemd', True, False, d) and \
+ not bb.utils.contains('DISTRO_FEATURES', 'sysvinit', True, False, d) and \
+ os.path.exists(sysv_initddir):
+ systemd_system_unitdir = oe.path.join(d.getVar("D", True), d.getVar('systemd_system_unitdir', True))
+
+ # If systemd_system_unitdir contains anything, delete sysv_initddir
+ if (os.path.exists(systemd_system_unitdir) and os.listdir(systemd_system_unitdir)):
+ shutil.rmtree(sysv_initddir)
+}
+do_install[postfuncs] += "rm_sysvinit_initddir "