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#!/bin/bash
# SPDX-license-identifier: Apache-2.0
##############################################################################
# Copyright (c) 2017 SUSE LINUX GmbH.
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################
set -ex
lsb_release -i | grep -q -i ubuntu || { echo "This script only works on Ubuntu distros"; exit 1; }
export DEFAULT_XCI_TEST=${DEFAULT_XCI_TEST:-false}
grep -q -i ^Y$ /sys/module/kvm_intel/parameters/nested || { echo "Nested virtualization is not enabled but it's needed for XCI to work"; exit 1; }
usage() {
echo """
$0 <distro>
distro must be one of 'ubuntu', 'opensuse', 'centos'
"""
}
[[ $# -ne 1 ]] && usage && exit 1
declare -r CPU=host
declare -r NCPUS=24
declare -r MEMORY=49152
declare -r DISK=500
declare -r NAME=${1}_xci_vm
declare -r OS=${1}
declare -r NETWORK="jenkins-test"
declare -r BASE_PATH=$(dirname $(readlink -f $0) | sed "s@/xci/.*@@")
echo "Preparing new virtual machine '${NAME}'..."
# NOTE(hwoarang) This should be removed when we move the dib images to a central place
_retries=20
echo "Building '${OS}' image (tail build.log for progress and failures)..."
while [[ $_retries -ne 0 ]]; do
if pgrep build-dib-os.sh &>/dev/null; then
echo "There is another dib process running... ($_retries retries left)"
sleep 60
(( _retries = _retries - 1 ))
else
$BASE_PATH/xci/scripts/vm/build-dib-os.sh ${OS} > build.log 2>&1
break
fi
done
[[ ! -e ${OS}.qcow2 ]] && echo "${OS}.qcow2 not found! This should never happen!" && exit 1
sudo apt-get install -y -q=3 virt-manager qemu-kvm libvirt-bin qemu-utils
sudo systemctl -q start libvirtd
echo "Resizing disk image '${OS}' to ${DISK}G..."
qemu-img resize ${OS}.qcow2 ${DISK}G
echo "Creating new network '${NETWORK}' if it does not exist already..."
if ! sudo virsh net-list --name | grep -q ${NETWORK}; then
cat > /tmp/${NETWORK}.xml <<EOF
<network>
<name>${NETWORK}</name>
<forward mode='nat'>
<nat>
<port start='1024' end='65535'/>
</nat>
</forward>
<bridge name='jenkins_br0' std='off' delay='0'/>
<ip address='192.168.140.1' netmask='255.255.255.0'>
<dhcp>
<range start='192.168.140.2' end='192.168.140.254'/>
</dhcp>
</ip>
</network>
EOF
sudo virsh net-define /tmp/${NETWORK}.xml
sudo virsh net-autostart ${NETWORK}
sudo virsh net-start ${NETWORK}
fi
echo "Destroying previous instances if necessary..."
sudo virsh destroy ${NAME} || true
sudo virsh undefine ${NAME} || true
echo "Installing virtual machine '${NAME}'..."
sudo virt-install -n ${NAME} --memory ${MEMORY} --vcpus ${NCPUS} --cpu ${CPU} \
--import --disk=${OS}.qcow2,cache=unsafe --network network=${NETWORK} \
--graphics none --hvm --noautoconsole
_retries=30
while [[ $_retries -ne 0 ]]; do
_ip=$(sudo virsh domifaddr ${NAME} | grep -o --colour=never 192.168.140.[[:digit:]]* | cat )
if [[ -z ${_ip} ]]; then
echo "Waiting for '${NAME}' virtual machine to boot ($_retries retries left)..."
sleep 5
(( _retries = _retries - 1 ))
else
break
fi
done
[[ -n $_ip ]] && echo "'${NAME}' virtual machine is online at $_ip"
[[ -z $_ip ]] && echo "'${NAME}' virtual machine did not boot on time" && exit 1
# Fix up perms if needed to make ssh happy
chmod 600 ${BASE_PATH}/xci/scripts/vm/id_rsa_for_dib*
# Remove it from known_hosts
ssh-keygen -R $_ip || true
ssh-keygen -R ${NAME} || true
declare -r vm_ssh="ssh -o StrictHostKeyChecking=no -i ${BASE_PATH}/xci/scripts/vm/id_rsa_for_dib -l devuser"
_retries=30
_ssh_exit=0
echo "Verifying operational status..."
while [[ $_retries -ne 0 ]]; do
if eval $vm_ssh $_ip "sudo cat /etc/os-release"; then
_ssh_exit=$?
break;
else
_ssh_exit=$?
sleep 5
(( _retries = _retries - 1 ))
fi
done
[[ $_ssh_exit != 0 ]] && echo "Failed to SSH to the virtual machine '${NAME}'! This should never happen!" && exit 1
echo "Congratulations! Your shiny new '${NAME}' virtual machine is fully operational! Enjoy!"
echo "Adding ${NAME}_xci_vm entry to /etc/hosts"
sudo sed -i "/.*${NAME}.*/d" /etc/hosts
sudo bash -c "echo '${_ip} ${NAME}' >> /etc/hosts"
echo "Dropping a minimal .ssh/config file"
cat > $HOME/.ssh/config<<EOF
Host *
StrictHostKeyChecking no
IdentityFile ${BASE_PATH}/xci/scripts/vm/id_rsa_for_dib
Host *_xci_vm
User devuser
Host *_xci_vm_opnfv
User root
TCPKeepAlive yes
StrictHostKeyChecking no
ProxyCommand ssh -l devuser \$(echo %h | sed 's/_opnfv//') 'nc 192.168.122.2 %p'
EOF
echo "Preparing test environment..."
# *_xci_vm hostname is invalid. Letst just use distro name
$vm_ssh $_ip "sudo hostname ${NAME/_xci*}"
# Start with good dns
$vm_ssh $_ip 'sudo bash -c "echo nameserver 8.8.8.8 > /etc/resolv.conf"'
$vm_ssh $_ip 'sudo bash -c "echo nameserver 8.8.4.4 >> /etc/resolv.conf"'
cat > ${BASE_PATH}/vm_hosts.txt <<EOF
127.0.0.1 localhost ${NAME/_xci*}
::1 localhost ipv6-localhost ipv6-loopback
fe00::0 ipv6-localnet
fe00::1 ipv6-allnodes
fe00::2 ipv6-allrouters
ff00::3 ipv6-allhosts
$_ip ${NAME/_xci*}
EOF
# Need to copy releng-xci to the vm so we can execute stuff
do_copy() {
rsync -a \
--exclude "${NAME}*" \
--exclude "build.log" \
-e "$vm_ssh" ${BASE_PATH}/* $_ip:~/releng-xci/
}
do_copy
rm ${BASE_PATH}/vm_hosts.txt
# Copy keypair
$vm_ssh $_ip "cp --preserve=all ~/releng-xci/xci/scripts/vm/id_rsa_for_dib /home/devuser/.ssh/id_rsa"
$vm_ssh $_ip "cp --preserve=all ~/releng-xci/xci/scripts/vm/id_rsa_for_dib.pub /home/devuser/.ssh/id_rsa.pub"
$vm_ssh $_ip "sudo mv /home/devuser/releng-xci/vm_hosts.txt /etc/hosts"
set +e
_has_test=true
echo "Verifying test script exists..."
$vm_ssh $_ip "bash -c 'stat ~/$(basename ${BASE_PATH})/run_jenkins_test.sh'"
if [[ $? != 0 ]]; then
echo "Failed to find a 'run_jenkins_test.sh' script..."
if ${DEFAULT_XCI_TEST}; then
echo "Creating a default test case to run xci-deploy.sh"
cat > ${BASE_PATH}/run_jenkins_test.sh <<EOF
#!/bin/bash
cd releng-xci/xci
./xci-deploy.sh
EOF
# Copy again
do_copy
else
_has_test=false
fi
fi
if ${_has_test}; then
echo "Running test..."
$vm_ssh $_ip "bash ~/$(basename ${BASE_PATH})/run_jenkins_test.sh"
xci_error=$?
else
echo "No jenkins test was found. The virtual machine will remain idle!"
xci_error=0
fi
exit $xci_error
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