Attachment 867573 Details for Bug 1067576 – Script to reproduce relative pathname bug with just qemu-kvm and qemu-img

Script to reproduce relative pathname bug with just qemu-kvm and qemu-img

snap.sh (text/plain), 2.38 KB, created by Jeff Cody on 2014-02-25 18:07:37 UTC

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Creator: Jeff Cody

Created: 2014-02-25 18:07:37 UTC

Size: 2.38 KB

patch

obsolete

>#!/bin/bash
># Large snapshot chain with relative path backing files
>
># change to reflect your qemu executable to test; e.g. qemu-kvm
>QEMU_PROG=/usr/libexec/qemu-kvm
>#QEMU_PROG=/home/Jeff.Cody/deploy-rhel6/bin/qemu-system-x86_64
>QEMU_IMG_PROG=qemu-img
>#QEMU_IMG_PROG=/home/Jeff.Cody/deploy-rhel6/bin/qemu-img
>
>MAX_SNAPSHOTS=80
>
>TEST_DIR=this-is-a-test-dir-for-snapshots-$$
>TEST_BASE=base.qcow2
>
>orig_cwd=${PWD}
>
>mkdir "${TEST_DIR}"
>logfile="${PWD}/${TEST_DIR}/output.log"
>
>cd "${TEST_DIR}"
>"${QEMU_IMG_PROG}" create -f qcow2 "${TEST_BASE}" 1G
>("${QEMU_PROG}" -enable-kvm -drive file="${TEST_BASE}",if=virtio -m 256 -qmp tcp:localhost:44444,server,nowait)>>"$logfile" 2>&1&
>qemu_pid=$!
>
>trap cleanup EXIT
>
>cleanup() {
>    echo ""
>    echo "Killing qemu process (${qemu_pid})...."
>    kill -KILL ${qemu_pid}
>    echo "done, left directory ${TEST_DIR} intact"
>    cd "${orig_cwd}"
>}
>
>
>let i=0
>
>echo "Performing live snapshot test" | tee -a "${logfile}"
>echo "-----------------------------" | tee -a "${logfile}"
>
>echo "Waiting to connect to qmp socket..."
>while [ 1 ]
>do 
>    exec 3<>/dev/tcp/localhost/44444
>    if [ $? -eq 0 ]
>    then
>        break;
>    fi
>    usleep 100000 # 100 ms
>done
>echo "connected!"
>
>echo -e "{ 'execute': 'qmp_capabilities' }" >&3
>read response <&3
>echo ${response} >> "${logfile}"
>while [ $i -lt $MAX_SNAPSHOTS ]
>do
>    echo -e "{ 'execute': 'blockdev-snapshot-sync', 
>               'arguments': { 'device': 'virtio0',
>                              'snapshot-file':'../${TEST_DIR}/live-snapshot-${i}.qcow2',
>                             'format': 'qcow2' } }" >&3
>    read response <&3
>    echo "${response}" | grep -q "^{\"return\": {}}" >/dev/null
>    if [ $? -eq 0 ]
>    then
>        echo "snapshot-${i}: success!"
>    else
>        echo "snapshot-${i}: failed! (see ${TEST_DIR}/output.log)"
>    fi
>    echo "$i: $response" >> "${logfile}"
>    let i=$i+1
>done
>
>echo "" | tee -a "${logfile}"
>echo "Performing qemu-img snapshot test" | tee -a "${logfile}"
>echo "---------------------------------" | tee -a "${logfile}"
>
>i=0
>prev_img=${TEST_BASE}
>ret=0
>while [ $i -lt $MAX_SNAPSHOTS ]
>do
>    "${QEMU_IMG_PROG}" create -f qcow2 qimg-snapshot-${i}.qcow2 -b "$prev_img" >>"$logfile" 2>&1
>    if [ $? -eq 0 ]
>    then
>        echo "snapshot-${i}: success!"
>    else
>        echo "snapshot-${i}: failed! (see ${TEST_DIR}/output.log)"
>    fi
>    prev_img="../${TEST_DIR}/qimg-snapshot-${i}.qcow2"
>    let i=$i+1
>done

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Attachments on bug 1067576: 867573