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https://github.com/libguestfs/libguestfs.git
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b9b0a90487
User-Mode Linux was an alternative hypervisor that could run the appliance, instead of using qemu. It had many limitations including lack of network, and UML support in Linux has been semi-broken for a long time. It was also slower than KVM on baremeal in general and had various corner cases which were much slower including the emulated serial port which made bulk uploads and downloads painful. Also of course it lacked qemu-specific features like qcow2 or any network-backed disk, so many disk images could not be opened this way. This was never supported in RHEL. See-also: https://bugzilla.redhat.com/1144197
72 lines
2.0 KiB
Bash
Executable File
72 lines
2.0 KiB
Bash
Executable File
#!/bin/bash -
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# libguestfs
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# Copyright (C) 2012 Red Hat Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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# https://bugzilla.redhat.com/show_bug.cgi?id=838592
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# This tests that the --pid-file option can be used to fix the race.
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set -e
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$TEST_FUNCTIONS
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skip_if_skipped "test-fuse.sh"
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skip_if_skipped
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skip_unless_phony_guest fedora.img
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skip_unless_fuse
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rm -f test.qcow2 test-copy.qcow2 test.pid
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rm -rf mp
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# Make a copy of the Fedora image so we can write to it then discard it.
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guestfish -- \
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disk-create test.qcow2 qcow2 -1 \
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backingfile:../test-data/phony-guests/fedora.img backingformat:raw
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mkdir mp
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guestmount --format=qcow2 -a test.qcow2 -m /dev/VG/Root --pid-file test.pid mp
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cp $0 mp/test-umount
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# Save the PID of guestmount.
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pid="$(cat test.pid)"
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timeout=10
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# Unmount the mountpoint.
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guestunmount -v mp
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# Wait for guestmount to exit.
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count=$timeout
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while kill -0 "$pid" 2>/dev/null && [ $count -gt 0 ]; do
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sleep 1
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((count--))
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done
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if [ $count -eq 0 ]; then
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echo "$0: wait for guestmount to exit failed after $timeout seconds"
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exit 1
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fi
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# It should now be safe to copy and read the disk image.
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cp test.qcow2 test-copy.qcow2
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if [ "$(guestfish --format=qcow2 -a test-copy.qcow2 --ro -i is-file /test-umount)" != "true" ]; then
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echo "$0: test failed"
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exit 1
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fi
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rm test.qcow2 test-copy.qcow2
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rm -f test.pid
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rm -r mp
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