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citadel/poky/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 ?= "${PN}"
SYSTEMD_PACKAGES_class-native ?= ""
SYSTEMD_PACKAGES_class-nativesdk ?= ""
# Whether to enable or disable the services on installation.
SYSTEMD_AUTO_ENABLE ??= "enable"
# This class will be included in any recipe that supports systemd init scripts,
# even if systemd is not in DISTRO_FEATURES. As such don't make any changes
# directly but check the DISTRO_FEATURES first.
python __anonymous() {
# If the distro features have systemd but not sysvinit, inhibit update-rcd
# from doing any work so that pure-systemd images don't have redundant init
# files.
if bb.utils.contains('DISTRO_FEATURES', 'systemd', True, False, d):
d.appendVar("DEPENDS", " systemd-systemctl-native")
d.appendVar("PACKAGE_WRITE_DEPS", " systemd-systemctl-native")
if not bb.utils.contains('DISTRO_FEATURES', 'sysvinit', True, False, d):
d.setVar("INHIBIT_UPDATERCD_BBCLASS", "1")
}
systemd_postinst() {
OPTS=""
if [ -n "$D" ]; then
OPTS="--root=$D"
fi
if type systemctl >/dev/null 2>/dev/null; then
if [ -z "$D" ]; then
systemctl daemon-reload
fi
systemctl $OPTS ${SYSTEMD_AUTO_ENABLE} ${SYSTEMD_SERVICE}
if [ -z "$D" -a "${SYSTEMD_AUTO_ENABLE}" = "enable" ]; then
systemctl --no-block 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() {
import re
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)) or "").strip()
if val == "":
val = (d.getVar(var) or "").strip()
return val
# Check if systemd-packages already included in PACKAGES
def systemd_check_package(pkg_systemd):
packages = d.getVar('PACKAGES')
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 + ":")
postinst = d.getVar('pkg_postinst_%s' % pkg)
if not postinst:
postinst = '#!/bin/sh\n'
postinst += localdata.getVar('systemd_postinst')
d.setVar('pkg_postinst_%s' % pkg, postinst)
prerm = d.getVar('pkg_prerm_%s' % pkg)
if not prerm:
prerm = '#!/bin/sh\n'
prerm += localdata.getVar('systemd_prerm')
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"), 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"), 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"), "systemd", "system"),]
searchpaths.append(d.getVar("systemd_system_unitdir"))
systemd_packages = d.getVar('SYSTEMD_PACKAGES')
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 = ''
# Deal with adding, for example, 'ifplugd@eth0.service' from
# 'ifplugd@.service'
base = None
if service.find('@') != -1:
base = re.sub('@[^.]+.', '@.', service)
for path in searchpaths:
if os.path.exists(oe.path.join(d.getVar("D"), path, service)):
path_found = path
break
elif base is not None:
if os.path.exists(oe.path.join(d.getVar("D"), path, base)):
path_found = path
break
if path_found != '':
systemd_add_files_and_parse(pkg_systemd, path_found, service, keys)
else:
bb.fatal("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")):
for pkg in d.getVar('SYSTEMD_PACKAGES').split():
systemd_check_package(pkg)
if d.getVar('SYSTEMD_SERVICE_' + pkg):
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"), d.getVar('systemd_unitdir'))
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"), (d.getVar('INIT_D_DIR') 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"), d.getVar('systemd_system_unitdir'))
# 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 "