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#!/bin/bash
set -e
name=$1
size=20G
TMPDIR="$(mktemp -d "/tmp/${0##*/}.XXXXXX")"
trap "rm -rf '${TMPDIR}'" EXIT TERM
cd "$TMPDIR"
if [[ ! -f /srv/http/vms/network/$name ]]; then
echo "Missing vm network definition /srv/http/vms/network/$name" >&2
exit 1
fi
cat <<EOF >vm.xml
<domain type='kvm'>
<name>$name</name>
<memory unit='KiB'>1048576</memory>
<currentMemory unit='KiB'>1048576</currentMemory>
<vcpu placement='static'>4</vcpu>
<os>
<type arch='x86_64' machine='pc-i440fx-1.7'>hvm</type>
<boot dev='hd'/>
<boot dev='network'/>
<bootmenu enable='no'/>
</os>
<features>
<acpi/>
<apic/>
<pae/>
</features>
<clock offset='utc'/>
<on_poweroff>destroy</on_poweroff>
<on_reboot>restart</on_reboot>
<on_crash>restart</on_crash>
<devices>
<emulator>/usr/sbin/qemu-system-x86_64</emulator>
<disk type='file' device='disk'>
<driver name='qemu' type='qcow2'/>
<source file='/var/lib/libvirt/images/${name}.img'/>
<target dev='vda' bus='virtio'/>
</disk>
<controller type='usb' index='0'>
</controller>
<controller type='pci' index='0' model='pci-root'/>
<controller type='ide' index='0'>
</controller>
<controller type='scsi' index='0'>
</controller>
<controller type='scsi' index='1' model='virtio-scsi'>
</controller>
<interface type='network'>
<source network='mynet'/>
<model type='virtio'/>
</interface>
<serial type='pty'>
<target port='0'/>
</serial>
<console type='pty'>
<target type='serial' port='0'/>
</console>
<input type='mouse' bus='ps2'/>
<graphics type='vnc' port='-1' autoport='yes'/>
<sound model='ich6'>
</sound>
<video>
<model type='cirrus' vram='9216' heads='1'/>
</video>
<memballoon model='virtio'>
</memballoon>
</devices>
</domain>
EOF
virsh vol-create-as default ${name}.img $size --format qcow2
virsh define vm.xml
vmmac=$(virsh domiflist $name | grep -oE "[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}")
echo "$name" > /srv/http/vms/hostnames/"$vmmac"
virsh start $name
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