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#!/bin/bash
export image_name=centos7-cloud-image
export mountpoint=$(mktemp -d /tmp/${image_name}.XXXXXX)
sudo apt-get -q=2 update
sudo apt-get -q=2 install -y --no-install-recommends qemu-utils virtinst libvirt-bin
default_gw=$(ip route show default 0.0.0.0/0 | cut -d' ' -f3)
sudo sed -i "/^uri_default/d" /etc/libvirt/libvirt.conf
echo "uri_default = \"qemu+tcp://${default_gw}/system\"" | sudo tee -a /etc/libvirt/libvirt.conf
virt-host-validate
sudo virsh pool-list --all
sudo virsh net-list --all
set -ex
trap cleanup_exit INT TERM EXIT
cleanup_exit()
{
cd ${WORKSPACE}
sudo virsh vol-delete --pool default ${image_name}.qcow2 || true
sudo virsh destroy ${image_name} || true
sudo virsh undefine ${image_name} || true
sudo umount ${mountpoint} || true
sudo kpartx -dv /dev/nbd0 || true
sudo qemu-nbd --disconnect /dev/nbd0 || true
sudo rm -rf ${mountpoint} || true
sudo rm -f ${image_name}.qcow2
}
wget -q https://git.linaro.org/ci/job/configs.git/blob_plain/HEAD:/leg-cloud-image/centos/centos7-aarch64.ks -O centos7-aarch64.ks
sudo virt-install \
--name ${image_name} \
--initrd-inject centos7-aarch64.ks \
--extra-args "ks=file:/centos7-aarch64.ks" \
--disk=pool=default,size=10,format=qcow2,bus=virtio \
--memory 2048 \
--location http://mirror.centos.org/altarch/7/os/aarch64/ \
--noreboot
set +ex
while [ true ]; do
sleep 1
vm_running=$(sudo virsh list --name --state-running | grep "^${image_name}" | wc -l)
[ "${vm_running}" -eq "0" ] && break
done
set -ex
sudo virsh list --all
sudo virsh pool-list --all
sudo virsh net-list --all
mkdir out
mv centos7-aarch64.ks out/
# virsh vol-download is slow - copy from a mounted volume
sudo cp -a /var/lib/libvirt/images/${image_name}.qcow2 .
# extract kernel and initramfs from image
sudo qemu-nbd --connect=/dev/nbd0 ${image_name}.qcow2
for device in $(sudo kpartx -avs /dev/nbd0 | cut -d' ' -f3); do
partition=$(echo ${device} | cut -d'p' -f2)
[ "${partition}" = "2" ] && sudo mount /dev/mapper/${device} ${mountpoint}
done
sudo cp -a ${mountpoint}/*.linaro.aarch64* out/
sudo qemu-img convert -c -O qcow2 ${image_name}.qcow2 out/${image_name}.qcow2
sudo chown -R buildslave:buildslave out
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