69 lines
1.9 KiB
Bash
Executable File

#!/bin/bash
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
#set -x
usage() {
printf "Usage: %s \n" $(basename $0) >&2
}
remove_device() {
be=$1
xenstore-write /local/domain/0/backend/tap/0/$be/online 0 &>/dev/null
xenstore-write /local/domain/0/backend/tap/0/$be/shutdown-request normal &>/dev/null
for i in $(seq 20)
do
sleep 1
xenstore-exists /local/domain/0/backend/tap/0/$be/shutdown-done &>/dev/null
if [ $? -eq 0 ] ; then
xenstore-rm /local/domain/0/device/vbd/$be &>/dev/null
xenstore-rm /local/domain/0/backend/tap/0/$be &>/dev/null
xenstore-rm /local/domain/0/error/backend/tap/0/$be &>/dev/null
xenstore-rm /local/domain/0/error/device/vbd/$be &>/dev/null
return
fi
xenstore-exists /local/domain/0/backend/tap/0/$be &>/dev/null
if [ $? -ne 0 ] ; then
return
fi
done
echo "unplug device $be failed"
exit 2
}
bes=`xenstore-list /local/domain/0/backend/tap/0`
if [ -z "$bes" ]; then
exit 0
fi
for be in $bes
do
device=`xenstore-read /local/domain/0/backend/tap/0/$be/dev`
ls $device >/dev/null 2>&1
if [ $? -ne 0 ]; then
remove_device $be
fi
done
echo "======> DONE <======"
exit 0