samhain-server: add volatile file for systemd

Add volatile file to create /var/log/yule when using systemd. Also
remove unused /var/log directory in do_install.

Signed-off-by: Yi Zhao <yi.zhao@windriver.com>
Signed-off-by: Armin Kuster <akuster808@gmail.com>

recipes-ids/samhain/files/samhain-server-volatiles.conf

@@ -0,0 +1 @@
+d /var/log/yule 0775 daemon daemon -

recipes-ids/samhain/samhain-server.bb

@@ -4,14 +4,22 @@ require samhain.inc
 
 DEPENDS = "gmp"
 
-SRC_URI += "file://samhain-server-volatiles"
+SRC_URI += "file://samhain-server-volatiles \
+            file://samhain-server-volatiles.conf \
+           "
 
 TARGET_CC_ARCH += "${LDFLAGS}"
 
 do_install_append() {
-    install -d ${D}${sysconfdir}/default/volatiles
+    if ${@bb.utils.contains('DISTRO_FEATURES', 'systemd', 'true', 'false', d)}; then
-    install -m 0644 ${WORKDIR}/samhain-server-volatiles \
+        install -d ${D}${sysconfdir}/tmpfiles.d
-        ${D}${sysconfdir}/default/volatiles/samhain-server
+        install -m 0644 ${WORKDIR}/samhain-server-volatiles.conf \
+            ${D}${sysconfdir}/tmpfiles.d/samhain-server.conf
+    else
+        install -d ${D}${sysconfdir}/default/volatiles
+        install -m 0644 ${WORKDIR}/samhain-server-volatiles \
+            ${D}${sysconfdir}/default/volatiles/samhain-server
+    fi
 
     install -m 700 samhain-install.sh init/samhain.startLinux \
         init/samhain.startLSB ${D}/var/lib/samhain

recipes-ids/samhain/samhain.inc

@@ -159,6 +159,8 @@ do_install_append () {
 	if [ -d ${D}${localstatedir}/run ]; then
 		rmdir ${D}${localstatedir}/run
 	fi
+
+	rm -rf ${D}${localstatedir}/log
 }
 
 FILES_${PN} += "${systemd_system_unitdir}"