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#
# Copyright OpenEmbedded Contributors
#
# SPDX-License-Identifier: MIT
#
# 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 ?= "${PN}"
SYSTEMD_PACKAGES:class-native ?= ""
SYSTEMD_PACKAGES:class-nativesdk ?= ""
# Whether to enable or disable the services on installation.
SYSTEMD_AUTO_ENABLE ??= "enable"
# This class will be included in any recipe that supports systemd init scripts,
# even if systemd is not in DISTRO_FEATURES. As such don't make any changes
# directly but check the DISTRO_FEATURES first.
python __anonymous() {
# If the distro features have systemd but not sysvinit, inhibit update-rcd
# from doing any work so that pure-systemd images don't have redundant init
# files.
if bb.utils.contains('DISTRO_FEATURES', 'systemd', True, False, d):
d.appendVar("DEPENDS", " systemd-systemctl-native")
d.appendVar("PACKAGE_WRITE_DEPS", " systemd-systemctl-native")
if not bb.utils.contains('DISTRO_FEATURES', 'sysvinit', True, False, d):
d.setVar("INHIBIT_UPDATERCD_BBCLASS", "1")
}
systemd_postinst() {
if systemctl >/dev/null 2>/dev/null; then
OPTS=""
if [ -n "$D" ]; then
OPTS="--root=$D"
fi
if [ "${SYSTEMD_AUTO_ENABLE}" = "enable" ]; then
for service in ${SYSTEMD_SERVICE_ESCAPED}; do
systemctl ${OPTS} enable "$service"
done
fi
if [ -z "$D" ]; then
systemctl daemon-reload
systemctl preset ${SYSTEMD_SERVICE_ESCAPED}
if [ "${SYSTEMD_AUTO_ENABLE}" = "enable" ]; then
systemctl --no-block restart ${SYSTEMD_SERVICE_ESCAPED}
fi
fi
fi
}
systemd_prerm() {
if systemctl >/dev/null 2>/dev/null; then
if [ -z "$D" ]; then
systemctl stop ${SYSTEMD_SERVICE_ESCAPED}
systemctl disable ${SYSTEMD_SERVICE_ESCAPED}
fi
fi
}
systemd_populate_packages[vardeps] += "systemd_prerm systemd_postinst"
systemd_populate_packages[vardepsexclude] += "OVERRIDES"
python systemd_populate_packages() {
import re
import shlex
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 is marked for packaging systemd scripts, but it does not appear in package list, please add it to PACKAGES or adjust SYSTEMD_PACKAGES accordingly' % pkg_systemd)
def systemd_generate_package_scripts(pkg):
bb.debug(1, 'adding systemd calls to postinst/postrm for %s' % pkg)
paths_escaped = ' '.join(shlex.quote(s) for s in d.getVar('SYSTEMD_SERVICE:' + pkg).split())
d.setVar('SYSTEMD_SERVICE_ESCAPED:' + pkg, paths_escaped)
# 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, shlex.quote(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"))
searchpaths.append(d.getVar("systemd_user_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
at = service.find('@')
if at != -1:
ext = service.rfind('.')
base = service[:at] + '@' + service[ext:]
for path in searchpaths:
if os.path.lexists(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("Didn't find service unit '{0}', specified in SYSTEMD_SERVICE:{1}. {2}".format(
service, pkg_systemd, "Also looked for service unit '{0}'.".format(base) if base is not None else ""))
def systemd_create_presets(pkg, action):
presetf = oe.path.join(d.getVar("PKGD"), d.getVar("systemd_unitdir"), "system-preset/98-%s.preset" % pkg)
bb.utils.mkdirhier(os.path.dirname(presetf))
with open(presetf, 'a') as fd:
for service in d.getVar('SYSTEMD_SERVICE:%s' % pkg).split():
fd.write("%s %s\n" % (action,service))
d.appendVar("FILES:%s" % pkg, ' ' + oe.path.join(d.getVar("systemd_unitdir"), "system-preset/98-%s.preset" % pkg))
# 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)
action = get_package_var(d, 'SYSTEMD_AUTO_ENABLE', pkg)
if action in ("enable", "disable"):
systemd_create_presets(pkg, action)
elif action not in ("mask", "preset"):
bb.fatal("SYSTEMD_AUTO_ENABLE:%s '%s' is not 'enable', 'disable', 'mask' or 'preset'" % (pkg, action))
systemd_check_services()
}
PACKAGESPLITFUNCS =+ "systemd_populate_packages"
rm_systemd_unitdir() {
rm -rf ${D}${systemd_unitdir}
# Change into ${D} and use a relative path with rmdir -p to avoid
# having it remove ${D} if it becomes empty.
(cd ${D} && rmdir -p $(dirname ${systemd_unitdir#/}) 2>/dev/null || :)
}
rm_sysvinit_initddir() {
local sysv_initddir=${INIT_D_DIR}
: ${sysv_initddir:=${sysconfdir}/init.d}
# If systemd_system_unitdir contains anything, delete sysv_initddir
if [ "$(ls -A ${D}${systemd_system_unitdir} 2>/dev/null)" ]; then
rm -rf ${D}$sysv_initddir
rmdir -p $(dirname ${D}$sysv_initddir) 2>/dev/null || :
fi
}
do_install[postfuncs] += "${RMINITDIR}"
RMINITDIR = " \
${@bb.utils.contains('DISTRO_FEATURES', 'systemd', '', 'rm_systemd_unitdir', d)} \
${@'rm_sysvinit_initddir' if bb.utils.contains('DISTRO_FEATURES', 'systemd', True, False, d) and \
not bb.utils.contains('DISTRO_FEATURES', 'sysvinit', True, False, d) else ''} \
"
RMINITDIR:class-native = ""
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