/usr/sbin/libvirt-migrate-xend-managed-domains is in libvirt-bin 1.2.2-0ubuntu13.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 | #!/bin/sh
#------------------------------------------------------------------------------
# Author: Stefan Bader <stefan.bader@canonical.com>
# Copyright 2014 Canonical Ltd.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 3,
# as published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
#------------------------------------------------------------------------------
# Migrate managed guests from xend into xml format managed by libvirt.
XEND_GUEST_DIR="/var/lib/xend/domains"
if [ "$(find $XEND_GUEST_DIR -name config.sxp 2>/dev/null)" = "" ]; then
exit 0
fi
XEN_CAPS="/proc/xen/capabilities"
if [ ! -f $XEN_CAPS ] || [ "$(cat $XEN_CAPS)" != "control_d" ]; then
cat <<-EOD >&2
---
--- INFO:
---
Old xend managed domains detected but currently not running in
Xen dom0. Conversion aborted. You can run the conversion later
by calling $(basename $0)
EOD
exit 0
fi
if [ "$(ps ax|grep xend|grep -v migrate|grep -v grep)" != "" ]; then
cat <<-EOD >&2
---
--- INFO:
---
The old toolstack (xend/xm) seems to be running. This toolstack is
deprecated and will be removed in Xen-4.5. Please switch to the xl
toolstack as soon as possible. The old xend managed domains can be
migrated to libvirt later by calling $(basename $0)".
EOD
exit 0
fi
#
# Can libvirt be contacted? Found that sometimes it does not yet seem to be
# up after a restart.
#
if ! virsh -c xen:/// version >/dev/null 2>&1; then
sleep 5
if ! virsh -c xen:/// version >/dev/null 2>&1; then
cat <<-EOD >&2
---
--- WARNING
---
Atempted convestion of xend managed domains could not be
done as libvirt did not seem to start correctly.
You can manually start the migration ilater by calling
$(basename $0).
EOD
exit 0
fi
fi
if [ -f /var/lib/libvirt/xend-migration-done ]; then
exit 0
fi
if [ $(id -u) -ne 0 ]; then
echo "$(basename $0) must be executed by root" >&2
exit 1
fi
GUEST_LIST="$(virsh -c xen:/// list --all|awk 'FNR>2{print $2}')"
cat <<EOD >&2
---
--- Info:
---
Trying to migrate guests that were provided through xend managed domains
before. That conversion might not be complete. Please verify the resulting
guest definitions.
EOD
for DOM_UUID in $(ls -1 "${XEND_GUEST_DIR}"); do
CFG_FILE="${XEND_GUEST_DIR}/${DOM_UUID}/config.sxp"
if [ ! -f "${CFG_FILE}" ]; then
continue
fi
NAME=$(awk '/name_label/{print substr($2, 1, length($2)-1)}' $CFG_FILE)
if [ "$(echo $GUEST_LIST|grep $NAME)" != "" ]; then
echo "Domain $NAME already defined. Skipping..."
continue
fi
#
# Replace any occurrence of device_model with "qemu-xen". This
# is more or less convenience right now as libvirt does not use
# that information. It probably should get mapped to
# device_model_version and then is either qemu-xen (default) or
# qemu-xen-traditional.
#
awk '
/device_model/{
sub(/_model.*/, "_model qemu-xen)")
}
{
print
}' $CFG_FILE >/tmp/$NAME.sxpr
virsh -c xen:/// domxml-from-native xen-sxpr /tmp/$NAME.sxpr |
#
# Not sure how those lines get generated, but any specific
# vif#.# as a target device cannot be right.
#
# The other problem is file based virtual disks. The conversion
# creates a driver name line that does prove fatal as it causes
# libxl to try blktap.
#
awk '
/target dev=.vif/{
next
}
/driver name=.file./{
next
}
{
print
}
' >/tmp/$NAME.xml
virsh -c xen:/// define /tmp/$NAME.xml
rm /tmp/$NAME.xml /tmp/$NAME.sxpr
done >&2
touch /var/lib/libvirt/xend-migration-done
exit 0
|