busybox: enable systemd integration for syslogd

(From OE-Core rev: cf3618f9a57e46fb78d5be35d473e2dd5290e961)

Signed-off-by: Radu Moisan <radu.moisan@intel.com>
Signed-off-by: Andreas Müller <schnitzeltony@googlemail.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-core/busybox/busybox.inc

@@ -18,7 +18,7 @@ export EXTRA_LDFLAGS = "${LDFLAGS}"
 PACKAGES =+ "${PN}-httpd ${PN}-udhcpd ${PN}-udhcpc ${PN}-syslog ${PN}-mdev ${PN}-hwclock"
 
 FILES_${PN}-httpd = "${sysconfdir}/init.d/busybox-httpd /srv/www"
-FILES_${PN}-syslog = "${sysconfdir}/init.d/syslog* ${sysconfdir}/syslog-startup.conf*"
+FILES_${PN}-syslog = "${sysconfdir}/init.d/syslog* ${sysconfdir}/syslog-startup.conf* ${systemd_unitdir}/system/syslog.service"
 FILES_${PN}-mdev = "${sysconfdir}/init.d/mdev ${sysconfdir}/mdev.conf"
 FILES_${PN}-udhcpd = "${sysconfdir}/init.d/busybox-udhcpd"
 FILES_${PN}-udhcpc = "${sysconfdir}/udhcpc.d ${datadir}/udhcpc"
@@ -32,12 +32,16 @@ INITSCRIPT_NAME_${PN}-mdev = "mdev"
 INITSCRIPT_NAME_${PN}-hwclock = "hwclock.sh"
 INITSCRIPT_PARAMS_${PN}-mdev = "start 06 S ."
 INITSCRIPT_NAME_${PN}-udhcpd = "busybox-udhcpd" 
+
+SYSTEMD_PACKAGES = "${PN}-syslog"
+SYSTEMD_SERVICE_${PN}-syslog = "${PN}-syslog.service"
+
 CONFFILES_${PN}-syslog = "${sysconfdir}/syslog-startup.conf.${BPN}"
 CONFFILES_${PN}-mdev = "${sysconfdir}/mdev.conf"
 
 RRECOMMENDS_${PN} = "${PN}-syslog ${PN}-udhcpc"
 
-inherit cml1 update-rc.d
+inherit cml1 systemd update-rc.d
 
 # internal helper
 def busybox_cfg(feature, features, tokens, cnf, rem):
@@ -213,6 +217,16 @@ do_install () {
                fi
 	fi
 	install -m 0644 ${S}/busybox.links ${D}${sysconfdir}
+
+    if ${@base_contains('DISTRO_FEATURES','systemd','true','false',d)}; then
+        install -d ${D}${systemd_unitdir}/system
+        sed 's,@base_sbindir@,${base_sbindir},g' < ${WORKDIR}/busybox-syslog.service.in \
+            > ${D}${systemd_unitdir}/system/busybox-syslog.service
+        sed 's,@base_sbindir@,${base_sbindir},g' < ${WORKDIR}/busybox-klogd.service.in \
+            > ${D}${systemd_unitdir}/system/busybox-klogd.service
+
+        ln -sf /dev/null ${D}${systemd_unitdir}/system/syslog.service
+    fi
 }
 
 inherit update-alternatives

meta/recipes-core/busybox/busybox_1.20.2.bb

@@ -28,6 +28,8 @@ SRC_URI = "http://www.busybox.net/downloads/busybox-${PV}.tar.bz2;name=tarball \
            file://fix-for-spurious-testsuite-failure.patch \
            file://busybox-1.20.2-kernel_ver.patch \
            file://stat-usr-bin.patch \
+           file://busybox-syslog.service.in \
+           file://busybox-klogd.service.in \
            file://testsuite-du-du-k-works-fix-false-positive.patch"
 
 SRC_URI[tarball.md5sum] = "e025414bc6cd79579cc7a32a45d3ae1c"

meta/recipes-core/busybox/files/busybox-klogd.service.in

@@ -0,0 +1,8 @@
+[Unit]
+Description=Kernel Logging Service
+
+[Service]
+ExecStart=@base_sbindir@/klogd -n
+
+[Install]
+WantedBy=multi-user.target

meta/recipes-core/busybox/files/busybox-syslog.service.in

@@ -0,0 +1,13 @@
+[Unit]
+Description=System Logging Service
+Wants=busybox-klogd.service
+
+[Service]
+EnvironmentFile=-/etc/default/busybox-syslog
+ExecStart=@base_sbindir@/syslogd -n $OPTIONS
+Sockets=syslog.socket
+
+[Install]
+WantedBy=multi-user.target
+Also=busybox-klogd.service
+Alias=syslog.service