OBS-URL: https://build.opensuse.org/package/show/openSUSE:Factory/xen?expand=0&rev=53

2008-09-12 15:57:53 +00:00
parent 258bc46c96
commit 997dde689d
33 changed files with 5126 additions and 5313 deletions
--- a/xen-updown.sh
+++ b/xen-updown.sh
@@ -0,0 +1,164 @@
+#!/bin/bash
+#
+usage () {
+	echo $@
+	echo "usage: $0 [<config>] <interface> [-o <options>]"
+	echo ""
+	echo "Options are:"
+	echo "    debug    : be verbose"
+	echo "    rc       : indicates that we are called from rcnetwork"
+	echo ""
+	echo "Any another options are ignored"
+	exit $R_USAGE
+}
+
+######################################################################
+# change the working direcory and source some common files
+#
+R_INTERNAL=1      # internal error, e.g. no config or missing scripts
+cd /etc/sysconfig/network || exit $R_INTERNAL
+test -f ./config && . ./config
+test -f scripts/functions && . scripts/functions || exit $R_INTERNAL
+
+######################################################################
+# check arguments and how we are called (in case of links)
+#
+SCRIPTNAME=${0}
+debug $*
+case $1 in ""|-h|*help*) usage ;; esac
+CONFIG="$1"
+shift
+if [ "x$1" != x -a "x$1" != "x-o" ] ; then
+        INTERFACE="$1"
+else
+        INTERFACE="$CONFIG"
+fi
+shift
+test "x$1" = "x-o" && shift
+DEBUG=no
+RUN_FROM_RC=no
+while [ $# -gt 0 ]; do
+        case $1 in
+		debug)       DEBUG=yes ;;
+		rc)          RUN_FROM_RC=yes ;;
+		*)           debug unknown option $1 ;;
+	esac
+	shift
+done
+
+# usage: ifprint <err_mesg|mesg|...> message....
+ifprint() {
+	func=$1 ; shift
+	test "x$func" = x && return 1
+	if [ "$RUN_FROM_RC" = yes -a "$INTERFACE" != all ] ; then
+		$func "`printf "    %-9s " "$INTERFACE"`$*"
+	else
+		$func "$*"
+	fi
+}
+
+#
+# xen related code
+#
+
+# check if xen is running
+is_xend_running() {
+	test -x /etc/init.d/xend && \
+	/etc/init.d/xend status &>/dev/null && return 0
+	return 1
+}
+exit_if_xend_not_running() {
+	is_xend_running || {
+		debug "$0: xend is not running - nothing to do"
+		exit 0
+	}
+}	
+
+# (modified) functions from /etc/init.d/xendomains
+parseln()
+{
+	name=${1:0:$((${#1}-36))}
+	name=${name%% *}
+	rest="${1: -36}"
+	id=${rest:0:4}
+	id=`echo $id`
+	mem=${rest:4:6}
+	mem=`echo $mem`
+	vcpu=${rest:10:6}
+	vcpu=`echo $vcpu`
+	state=${rest:16:11}
+	state=`echo $state`
+	tm=${rest:27}
+	tm=`echo $tm`
+}
+
+xm_list()
+{
+	TERM=vt100 xm list | grep -v '^Name *ID'
+}
+
+# For the specified vm, return a list of vifs that are connected to $INTERFACE
+list_vifs()
+{
+        id=$1
+        vifs=()
+        for vif in $(ls -1 "/sys/class/net/$INTERFACE/brif/"); do
+                tmp="`echo ${vif} | egrep "^(tap|vif)$id\..*"`"
+                if [ ! -z ${tmp} ]; then
+                        vifs=(${vifs[@]} ${tmp})
+                fi
+        done
+	echo "${vifs[@]}"
+}
+
+# Write list of concerned vifs to state file
+save_sysconfig_state()
+{
+	[ -d "${RUN_FILES_BASE}/xen/" ] || \
+	mkdir -p "${RUN_FILES_BASE}/xen/" || return 1
+
+	rm -f "${RUN_FILES_BASE}/xen/$INTERFACE" && {
+		echo "VIFS='${vifs[@]}'"
+	} > "${RUN_FILES_BASE}/xen/$INTERFACE"
+}
+
+case $SCRIPTNAME in
+*if-up.d*)
+	exit_if_xend_not_running
+
+	for IF in $(ls -1 "${RUN_FILES_BASE}/xen/") ; do
+		. "${RUN_FILES_BASE}/xen/$INTERFACE" || continue
+		
+		for vif in ${VIFS}; do
+			test -d "/sys/class/net/${vif}" || continue
+                        if ! is_iface_up ${vif} ; then
+                                ip link set dev ${vif} up
+                        fi
+                        brctl addif ${INTERFACE} ${vif} 2>&1 > /dev/null
+		done
+        # remove sysconfig state
+        rm -f "${RUN_FILES_BASE}/xen/$INTERFACE"
+	done
+;;
+*if-down.d*)
+	exit_if_xend_not_running
+
+	# Remember vifs attached to $INTERFACE
+	vifs=()
+	num=0
+	while read LN; do
+		parseln "$LN"
+		[ "$id" = 0 ] && continue
+		[ -z "$state" ] && continue
+
+		vifs=(${vifs[@]} $(list_vifs $id))
+	done < <(xm_list)
+
+	[ -z "${vifs[*]}" ] || save_sysconfig_state
+
+;;
+*)
+	usage
+;;
+esac
+