hotplug/Linux: honour XEN_LOG_DIR

Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com>
Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>
Acked-by: Roger Pau Monné <roger.pau@citrix.com>

tools/hotplug/Linux/init.d/sysconfig.xencommons.in

@@ -24,7 +24,7 @@
 ## Default: ""
 #
 # Additional commandline arguments to start xenstored,
-# like "--trace-file /var/log/xen/xenstored-trace.log"
+# like "--trace-file @XEN_LOG_DIR@/xenstored-trace.log"
 # See "@sbindir@/xenstored --help" for possible options.
 XENSTORED_ARGS=
 

tools/hotplug/Linux/init.d/xencommons.in

@@ -66,7 +66,7 @@ do_start () {
 	then
 		test -z "$XENSTORED_ROOTDIR" && XENSTORED_ROOTDIR="@XEN_LIB_STORED@"
 		rm -f "$XENSTORED_ROOTDIR"/tdb* &>/dev/null
-		test -z "$XENSTORED_TRACE" || XENSTORED_ARGS=" -T /var/log/xen/xenstored-trace.log"
+		test -z "$XENSTORED_TRACE" || XENSTORED_ARGS=" -T @XEN_LOG_DIR@/xenstored-trace.log"
 
 		if [ -n "$XENSTORED" ] ; then
 		    echo -n Starting $XENSTORED...

tools/hotplug/Linux/xen-hotplug-common.sh.in

@@ -20,7 +20,7 @@ dir=$(dirname "$0")
 . "$dir/xen-script-common.sh"
 . "$dir/locking.sh"
 
-exec 2>>/var/log/xen/xen-hotplug.log
+exec 2>>@XEN_LOG_DIR@/xen-hotplug.log
 
 export PATH="${bindir}:${sbindir}:${LIBEXEC_BIN}:/sbin:/bin:/usr/bin:/usr/sbin:$PATH"
 export LD_LIBRARY_PATH="${libdir}${LD_LIBRARY_PATH+:}$LD_LIBRARY_PATH"