qemu-boot.sh: Beautify logging

Signed-off-by: Jan Lindemann <jan@janware.com>

scripts/qemu-boot.sh

@@ -2,7 +2,8 @@
 
 goodbye()
 {
-	rm -f $tmp_files
+	:
+	# rm -f $tmp_files
 }
 
 usage()
@@ -19,17 +20,19 @@ EOT
 
 log()
 {
-	echo "=========================== $*"
+	echo "$log_delim $*"
+	/usr/bin/logger -t "$myname" "$*"
 }
 
 err()
 {
-	echo $* >&2
+	echo "$log_delim $*" >&2
+	/usr/bin/logger -t "$myname" "$*"
 }
 
 fatal()
 {
-	err $@
+	err "Fatal: $@ ... giving up"
 	exit 1
 }
 
@@ -37,10 +40,11 @@ do_sudo()
 {
 	if [ "$UID" = 0 ]; then
 		while [[ $1 =~ ^- ]]; do shift; done
+		log running $@
 		eval "$@"
 		return $?
 	else
-		echo running sudo $@
+		log running sudo $@
 		#sudo -p "Password for $myname:" $@
 		eval sudo "$@"
 		return $?
@@ -65,7 +69,7 @@ boot_net()
 {
 	local mac
 	[ "$hostname" ] && {
-		set -x
+		#set -x
 		mac=`ldap_search -LLL "(cn=$short_hostname) dhcpHWAddress" | 
 			sed '/dhcpHWAddress:/ !d; s/dhcpHWAddress: ethernet *//'`
 		macaddr=",macaddr=$mac"
@@ -106,7 +110,7 @@ boot_image()
 
 		#-net nic,vlan=1$nic_model,macaddr=00:02:36:22:13:6c \
  		#-net tap,ifname=tap1,vlan=1,script=$tmpdir/qemu-ifup,downscript=$tmpdir/qemu-ifdown \
-	set -x
+	#set -x
 	do_sudo -E /usr/bin/$qemu_exe  \
 		-net nic,vlan=0$nic_model$macaddr \
  		-net tap,ifname=tap0,vlan=0,script=$tmpdir/qemu-ifup,downscript=$tmpdir/qemu-ifdown \
@@ -124,6 +128,7 @@ boot()
 	)
 
 	#do_sudo /sbin/modprobe kvm-intel
+	tmp_files="$tmp_files $tmpdir"
 	xhost +
 
 	case $1 in
@@ -134,15 +139,14 @@ boot()
 		boot_image "$@"
 		;;
 	esac
-
-	rm -rf $tmpdir
 }
 
 # -- here we go
 
-log running $0 $@
-
 myname=`basename $0`
+log_delim="==========================="
+log running $0 $@
+[ -x $0 ] || fatal "$0 is not executable"
 exe=`readlink -f $0`
 dirname=`dirname $exe`
 bridge=priv0
@@ -191,7 +195,7 @@ shift $(($OPTIND - 1))
 
 case $myname in
 *ifup*)
-	set -x
+	#set -x
 	#[ "$1" = tap1 ] || exit 0
 	#do_sudo /sbin/ifconfig tap1 up
 	#do_sudo $brctl addif in1 tap0
@@ -200,6 +204,7 @@ case $myname in
 	#exit 0
 
 	virt_if=$1
+	touch /tmp/i-ran-$myname
 	do_sudo /sbin/ifconfig $virt_if up
 	# this is most certainly always priv0
 	do_sudo $brctl addif $bridge $virt_if