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