# Copyright (c) 2017 Intel Corporation. #
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
---
- hosts: localhost
connection: local
vars:
scale_out:
- 1
- 2
flow:
traffic_type: 4
pkt_size:
uplink: {64B: 100}
downlink: {64B: 100}
count: 10
rfc2544:
allowed_drop_rate: 0.0001 - 0.0001
vnf_config:
lb_config: 'SW'
lb_count: 1
worker_config: '1C/1T'
worker_threads: 1
# Environment variables
gen:
user: ""
password: ""
key_filename: ~
tg_config:
ixchassis: "1.1.1.127" #ixia chassis ip
tcl_port: "8009" # tcl server port
lib_path: "/opt/ixia/ixos-api/8.01.0.2/lib/ixTcl1.0"
root_dir: "/opt/ixia/ixos-api/8.01.0.2/"
py_bin_path: "/opt/ixia/ixload/8.01.106.3/bin/"
py_lib_path: "/opt/ixia/ixnetwork/8.01.1029.14/lib/PythonApi"
dut_result_dir: "/mnt/results"
version: "8.01.106.3"
pcis:
uplink:
- "2:5" #Card:port
-
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#!/bin/bash -e
# shellcheck disable=SC2155,SC1001,SC2015,SC2128
##############################################################################
# Copyright (c) 2018 Mirantis Inc., Enea AB and others.
# 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
##############################################################################
#
# Library of shell functions used by deploy script on jumpserver:
# - base cloud image (used by FN VMs and VCP VMs) processing:
# * download;
# * tooling for offline image modification (without libguestfs);
# * package pre-installation (requires nbd, loop krn mods);
# - virtualized hosts processing:
# * virsh-managed VMs boilerplate;
# * salt master container tooling;
# * virsh & docker network plumbing;
# etc.
##############################################################################
# private helper functions
##############################################################################
function __get_base_image {
local base_image=$1
local image_dir=$2
mkdir -p "${image_dir}"
wget --progress=dot:giga -P "${image_dir}" -N "${base_image}"
}
function __kernel_modules {
# Load mandatory kernel modules: loop, nbd
local image_dir=$1
test -e /dev/loop-control || sudo modprobe loop
if sudo modprobe nbd max_part=8 || sudo modprobe -f nbd max_part=8; then
return 0
fi
if [ -e /dev/nbd0 ]; then return 0; fi # nbd might be inbuilt
# CentOS (or RHEL family in general) do not provide 'nbd' out of the box
echo "[WARN] 'nbd' kernel module cannot be loaded!"
if [ ! -e /etc/redhat-release ]; then
echo "[ERROR] Non-RHEL system detected, aborting!"
echo "[ERROR] Try building 'nbd' manually or install it from a 3rd party."
exit 1
fi
# Best-effort attempt at building a non-maintaned kernel module
local __baseurl='http://vault.centos.org/centos'
local __subdir='Source/SPackages'
local __uname_r=$(uname -r)
local __uname_m=$(uname -m)
if [ "${__uname_m}" = 'x86_64' ]; then
__srpm="kernel-${__uname_r%.${__uname_m}}.src.rpm"
else
# NOTE: fmt varies across releases (e.g. kernel-alt-4.11.0-44.el7a.src.rpm)
__srpm="kernel-alt-${__uname_r%.${__uname_m}}.src.rpm"
fi
local __found='n'
local __versions=$(curl -s "${__baseurl}/" | grep -Po 'href="\K7\.[\d\.]+')
for ver in ${__versions}; do
for comp in os updates; do
local url="${__baseurl}/${ver}/${comp}/${__subdir}/${__srpm}"
if wget "${url}" -O "${image_dir}/${__srpm}" > /dev/null 2>&1; then
__found='y'; break 2
fi
done
done
if [ "${__found}" = 'n' ]; then
echo "[ERROR] Can't find the linux kernel SRPM for: ${__uname_r}"
echo "[ERROR] 'nbd' module cannot be built, aborting!"
echo "[ERROR] Try 'yum upgrade' or building 'nbd' krn module manually ..."
exit 1
fi
rpm -ivh "${image_dir}/${__srpm}" 2> /dev/null
mkdir -p ~/rpmbuild/{BUILD,BUILDROOT,RPMS,SOURCES,SPECS,SRPMS}
# shellcheck disable=SC2016
echo '%_topdir %(echo $HOME)/rpmbuild' > ~/.rpmmacros
(
cd ~/rpmbuild/SPECS
rpmbuild -bp --nodeps --target="${__uname_m}" kernel*.spec
cd ~/rpmbuild/BUILD/"${__srpm%.src.rpm}"/linux-*
sed -i 's/^.*\(CONFIG_BLK_DEV_NBD\).*$/\1=m/g' .config
# http://centosfaq.org/centos/nbd-does-not-compile-for-3100-514262el7x86_64
if grep -Rq 'REQ_TYPE_DRV_PRIV' drivers/block; then
sed -i 's/REQ_TYPE_SPECIAL/REQ_TYPE_DRV_PRIV/g' drivers/block/nbd.c
fi
gunzip -c "/boot/symvers-${__uname_r}.gz" > Module.symvers
make prepare modules_prepare
make M=drivers/block -j
modinfo drivers/block/nbd.ko
sudo mkdir -p "/lib/modules/${__uname_r}/extra/"
sudo cp drivers/block/nbd.ko "/lib/modules/${__uname_r}/extra/"
)
sudo depmod -a
sudo modprobe nbd max_part=8 || sudo modprobe -f nbd max_part=8
}
function __mount_image {
local image=$1
local image_dir=$2
OPNFV_MNT_DIR="${image_dir}/ubuntu"
# Find free nbd, loop devices
for dev in '/sys/class/block/nbd'*; do
if [ "$(cat "${dev}/size")" = '0' ]; then
OPNFV_NBD_DEV=/dev/$(basename "${dev}")
break
fi
done
OPNFV_LOOP_DEV=$(sudo losetup -f)
OPNFV_MAP_DEV=/dev/mapper/$(basename "${OPNFV_NBD_DEV}")p1
export OPNFV_MNT_DIR OPNFV_LOOP_DEV
[ -n "${OPNFV_NBD_DEV}" ] && [ -n "${OPNFV_LOOP_DEV}" ] || exit 1
qemu-img resize "${image_dir}/${image}" 3G
sudo qemu-nbd --connect="${OPNFV_NBD_DEV}" --aio=native --cache=none \
"${image_dir}/${image}"
sudo kpartx -av "${OPNFV_NBD_DEV}"
# Hardcode partition index to 1, unlikely to change for Ubuntu UCA image
sudo partx -uvn 1:1 "${OPNFV_NBD_DEV}"
if sudo growpart "${OPNFV_NBD_DEV}" 1; then
sudo kpartx -u "${OPNFV_NBD_DEV}"
sudo e2fsck -pf "${OPNFV_MAP_DEV}"
sudo resize2fs "${OPNFV_MAP_DEV}"
else
sleep 5 # /dev/nbdNp1 takes some time to come up
fi
sudo partx -d "${OPNFV_NBD_DEV}"
# grub-update does not like /dev/nbd*, so use a loop device to work around it
sudo losetup "${OPNFV_LOOP_DEV}" "${OPNFV_MAP_DEV}"
mkdir -p "${OPNFV_MNT_DIR}"
sudo mount "${OPNFV_LOOP_DEV}" "${OPNFV_MNT_DIR}"
sudo mount -t proc proc "${OPNFV_MNT_DIR}/proc"
sudo mount -t sysfs sys "${OPNFV_MNT_DIR}/sys"
sudo mount -o bind /dev "${OPNFV_MNT_DIR}/dev"
sudo mkdir -p "${OPNFV_MNT_DIR}/run/resolvconf"
sudo cp /etc/resolv.conf "${OPNFV_MNT_DIR}/run/resolvconf"
echo "GRUB_DISABLE_OS_PROBER=true" | \
sudo tee -a "${OPNFV_MNT_DIR}/etc/default/grub"
sudo sed -i -e 's/^\(GRUB_TIMEOUT\)=.*$/\1=1/g' -e 's/^GRUB_HIDDEN.*$//g' \
"${OPNFV_MNT_DIR}/etc/default/grub"
}
function __apt_repos_pkgs_image {
local apt_key_urls=(${1//,/ })
local all_repos=(${2//,/ })
local pkgs_i=(${3//,/ })
local pkgs_r=(${4//,/ })
[ -n "${OPNFV_MNT_DIR}" ] || exit 1
# APT keys
if [ "${#apt_key_urls[@]}" -gt 0 ]; then
for apt_key in "${apt_key_urls[@]}"; do
sudo chroot "${OPNFV_MNT_DIR}" /bin/bash -c \
"wget -qO - '${apt_key}' | apt-key add -"
done
fi
# Additional repositories
for repo_line in "${all_repos[@]}"; do
# <repo_name>|<repo prio>|deb|[arch=<arch>]|<repo url>|<dist>|<repo comp>
local repo=(${repo_line//|/ })
[ "${#repo[@]}" -gt 5 ] || continue
# NOTE: Names and formatting are compatible with Salt linux.system.repo
cat <<-EOF | sudo tee "${OPNFV_MNT_DIR}/etc/apt/preferences.d/${repo[0]}"
Package: *
Pin: release a=${repo[-2]}
Pin-Priority: ${repo[1]}
EOF
echo "${repo[@]:2}" | sudo tee \
"${OPNFV_MNT_DIR}/etc/apt/sources.list.d/${repo[0]}.list"
done
# Install packages
if [ "${#pkgs_i[@]}" -gt 0 ]; then
sudo DEBIAN_FRONTEND="noninteractive" \
chroot "${OPNFV_MNT_DIR}" apt-get update
sudo DEBIAN_FRONTEND="noninteractive" FLASH_KERNEL_SKIP="true" \
chroot "${OPNFV_MNT_DIR}" apt-get install -y "${pkgs_i[@]}"
fi
# Remove packages
if [ "${#pkgs_r[@]}" -gt 0 ]; then
sudo DEBIAN_FRONTEND="noninteractive" FLASH_KERNEL_SKIP="true" \
chroot "${OPNFV_MNT_DIR}" apt-get purge -y "${pkgs_r[@]}"
fi
# Disable cloud-init metadata service datasource
sudo mkdir -p "${OPNFV_MNT_DIR}/etc/cloud/cloud.cfg.d"
echo "datasource_list: [ NoCloud, None ]" | sudo tee \
"${OPNFV_MNT_DIR}/etc/cloud/cloud.cfg.d/95_real_datasources.cfg"
}
function __cleanup_vms {
# clean up existing nodes
for node in $(${VIRSH} list --name | grep -P '\w{3}\d{2}'); do
${VIRSH} destroy "${node}" 2>/dev/null || true
done
for node in $(${VIRSH} list --name --all | grep -P '\w{3}\d{2}'); do
${VIRSH} domblklist "${node}" | awk '/^.da/ {print $2}' | \
xargs --no-run-if-empty -I{} sudo rm -f {}
${VIRSH} undefine "${node}" --remove-all-storage --nvram || \
${VIRSH} undefine "${node}" --remove-all-storage
done
}
##############################################################################
# public functions
##############################################################################
function prepare_vms {
local base_image=$1; shift
local image_dir=$1; shift
local repos_pkgs_str=$1; shift # ^-sep list of repos, pkgs to install/rm
local vnodes=("$@")
local image=base_image_opnfv_fuel.img
local vcp_image=${image%.*}_vcp.img
local _o=${base_image/*\/}
[ -n "${image_dir}" ] || exit 1
cleanup_uefi
__cleanup_vms
__get_base_image "${base_image}" "${image_dir}"
IFS='^' read -r -a repos_pkgs <<< "${repos_pkgs_str}"
local _h=$(echo "${repos_pkgs_str}.$(md5sum "${image_dir}/${_o}")" | \
md5sum | cut -c -8)
local _tmp="${image%.*}.${_h}.img"
echo "[INFO] Lookup cache / build patched base image for fingerprint: ${_h}"
if [ "${image_dir}/${_tmp}" -ef "${image_dir}/${image}" ]; then
echo "[INFO] Patched base image found"
else
# shellcheck disable=SC2115
rm -rf "${image_dir}/${image%.*}"*
if [[ ! "${repos_pkgs_str}" =~ ^\^+$ ]]; then
echo "[INFO] Patching base image ..."
cp "${image_dir}/${_o}" "${image_dir}/${_tmp}"
__kernel_modules "${image_dir}"
__mount_image "${_tmp}" "${image_dir}"
__apt_repos_pkgs_image "${repos_pkgs[@]:0:4}"
cleanup_mounts
else
echo "[INFO] No patching required, using vanilla base image"
ln -sf "${image_dir}/${_o}" "${image_dir}/${_tmp}"
fi
ln -sf "${image_dir}/${_tmp}" "${image_dir}/${image}"
fi
# Create config ISO and resize OS disk image for each foundation node VM
for node in "${vnodes[@]}"; do
./create-config-drive.sh -k "$(basename "${SSH_KEY}").pub" \
-u 'user-data.sh' -h "${node}" "${image_dir}/mcp_${node}.iso"
cp "${image_dir}/${image}" "${image_dir}/mcp_${node}.qcow2"
qemu-img resize "${image_dir}/mcp_${node}.qcow2" 100G
# Prepare dedicated drive for cinder on cmp nodes
if [[ "${node}" =~ ^(cmp) ]]; then
qemu-img create "${image_dir}/mcp_${node}_storage.qcow2" 100G
fi
done
# VCP VMs base image specific changes
if [[ ! "${repos_pkgs_str}" =~ \^{3}$ ]] && [ -n "${repos_pkgs[*]:4}" ]; then
echo "[INFO] Lookup cache / build patched VCP image for md5sum: ${_h}"
_tmp="${vcp_image%.*}.${_h}.img"
if [ "${image_dir}/${_tmp}" -ef "${image_dir}/${vcp_image}" ]; then
echo "[INFO] Patched VCP image found"
else
echo "[INFO] Patching VCP image ..."
cp "${image_dir}/${image}" "${image_dir}/${_tmp}"
__kernel_modules "${image_dir}"
__mount_image "${_tmp}" "${image_dir}"
__apt_repos_pkgs_image "${repos_pkgs[@]:4:4}"
cleanup_mounts
ln -sf "${image_dir}/${_tmp}" "${image_dir}/${vcp_image}"
fi
fi
}
function create_networks {
local all_vnode_networks=("$@")
# create required networks
for net in "mcpcontrol" "${all_vnode_networks[@]}"; do
if ${VIRSH} net-info "${net}" >/dev/null 2>&1; then
${VIRSH} net-destroy "${net}" || true
${VIRSH} net-undefine "${net}"
fi
# in case of custom network, host should already have the bridge in place
if [ -f "virsh_net/net_${net}.xml" ] && \
[ ! -d "/sys/class/net/${net}/bridge" ]; then
${VIRSH} net-define "virsh_net/net_${net}.xml"
${VIRSH} net-autostart "${net}"
${VIRSH} net-start "${net}"
fi
done
sudo ip link del veth_mcp0 || true
sudo ip link del veth_mcp2 || true
# Create systemd service for veth creation after reboot
FUEL_VETHC_SERVICE="/etc/systemd/system/opnfv-fuel-vethc.service"
FUEL_VETHA_SERVICE="/etc/systemd/system/opnfv-fuel-vetha.service"
test -f /usr/sbin/ip && PREFIX=/usr/sbin || PREFIX=/sbin
cat <<-EOF | sudo tee "${FUEL_VETHC_SERVICE}"
[Unit]
After=libvirtd.service
Before=docker.service
[Service]
ExecStart=/bin/sh -ec '\
${PREFIX}/ip link add veth_mcp0 type veth peer name veth_mcp1 && \
${PREFIX}/ip link add veth_mcp2 type veth peer name veth_mcp3 && \
${PREFIX}/ip link set veth_mcp0 up mtu 9000 && \
${PREFIX}/ip link set veth_mcp1 up mtu 9000 && \
${PREFIX}/ip link set veth_mcp2 up mtu 9000 && \
${PREFIX}/ip link set veth_mcp3 up mtu 9000'
EOF
cat <<-EOF | sudo tee "${FUEL_VETHA_SERVICE}"
[Unit]
StartLimitInterval=200
StartLimitBurst=10
After=opnfv-fuel-vethc.service
[Service]
Restart=on-failure
RestartSec=10
ExecStartPre=/bin/sh -ec '\
${PREFIX}/brctl showstp ${all_vnode_networks[0]} > /dev/null 2>&1 && \
${PREFIX}/brctl showstp ${all_vnode_networks[1]} > /dev/null 2>&1'
ExecStart=/bin/sh -ec '\
${PREFIX}/brctl addif ${all_vnode_networks[0]} veth_mcp0 && \
${PREFIX}/brctl addif ${all_vnode_networks[1]} veth_mcp2'
EOF
sudo ln -sf "${FUEL_VETHC_SERVICE}" "/etc/systemd/system/multi-user.target.wants/"
sudo ln -sf "${FUEL_VETHA_SERVICE}" "/etc/systemd/system/multi-user.target.wants/"
sudo systemctl daemon-reload
sudo systemctl restart opnfv-fuel-vethc
sudo systemctl restart opnfv-fuel-vetha
}
function create_vms {
local image_dir=$1; shift
# vnode data should be serialized with the following format:
# <name0>,<ram0>,<vcpu0>[,<sockets0>,<cores0>,<threads0>[,<cell0name0>,<cell0memory0>,
# <cell0cpus0>,<cell1name0>,<cell1memory0>,<cell1cpus0>]]|<name1>,...'
IFS='|' read -r -a vnodes <<< "$1"; shift
# AArch64: prepare arch specific arguments
local virt_extra_args=""
if [ "$(uname -i)" = "aarch64" ]; then
# No Cirrus VGA on AArch64, use virtio instead
virt_extra_args="$virt_extra_args --video=virtio"
fi
# create vms with specified options
for serialized_vnode_data in "${vnodes[@]}"; do
if [ -z "${serialized_vnode_data}" ]; then continue; fi
IFS=',' read -r -a vnode_data <<< "${serialized_vnode_data}"
# prepare VM CPU model, count, topology (optional), NUMA cells (optional, requires topo)
local virt_cpu_args=' --cpu host-passthrough'
local idx=6 # cell0.name index in serialized data
while [ -n "${vnode_data[${idx}]}" ]; do
virt_cpu_args+=",${vnode_data[${idx}]}.memory=${vnode_data[$((idx + 1))]}"
virt_cpu_args+=",${vnode_data[${idx}]}.cpus=${vnode_data[$((idx + 2))]}"
idx=$((idx + 3))
done
virt_cpu_args+=" --vcpus vcpus=${vnode_data[2]}"
if [ -n "${vnode_data[5]}" ]; then
virt_cpu_args+=",sockets=${vnode_data[3]},cores=${vnode_data[4]},threads=${vnode_data[5]}"
fi
# prepare network args
local vnode_networks=("$@")
local net_args=
for net in "${vnode_networks[@]}"; do
net_args="${net_args} --network bridge=${net},model=virtio"
done
# dedicated storage drive for cinder on cmp nodes
virt_extra_storage=
if [[ "${vnode_data[0]}" =~ ^(cmp) ]]; then
virt_extra_storage="--disk path=${image_dir}/mcp_${vnode_data[0]}_storage.qcow2,format=qcow2,bus=virtio,cache=none,io=native"
fi
[ ! -e "${image_dir}/virt-manager" ] || VIRT_PREFIX="${image_dir}/virt-manager/"
# shellcheck disable=SC2086
${VIRT_PREFIX}${VIRSH/virsh/virt-install} --name "${vnode_data[0]}" \
${virt_cpu_args} --accelerate \
${net_args} \
--ram "${vnode_data[1]}" \
--disk path="${image_dir}/mcp_${vnode_data[0]}.qcow2",format=qcow2,bus=virtio,cache=none,io=native \
${virt_extra_storage} \
--os-type linux --os-variant none \
--boot hd --vnc --console pty --autostart --noreboot \
--disk path="${image_dir}/mcp_${vnode_data[0]}.iso",device=cdrom \
--noautoconsole \
${virt_extra_args}
done
}
function reset_vms {
local vnodes=("$@")
local cmd_str="ssh ${SSH_OPTS} ${SSH_SALT}"
# reset non-infrastructure vms, wait for them to come back online
for node in "${vnodes[@]}"; do
${VIRSH} reset "${node}"
done
for node in "${vnodes[@]}"; do
wait_for 20.0 "${cmd_str} sudo salt -C '${node}*' saltutil.sync_all"
done
}
function start_vms {
local vnodes=("$@")
# start vms
for node in "${vnodes[@]}"; do
${VIRSH} start "${node}"
sleep $((RANDOM%5+1))
done
}
function prepare_containers {
local image_dir=$1
[ -n "${image_dir}" ] || exit 1
[ -n "${MCP_REPO_ROOT_PATH}" ] || exit 1
[ ! -e "${image_dir}/docker-compose" ] || COMPOSE_PREFIX="${image_dir}/"
"${COMPOSE_PREFIX}docker-compose" -f docker-compose/docker-compose.yaml down
if [[ ! "${MCP_DOCKER_TAG}" =~ 'verify' ]]; then
"${COMPOSE_PREFIX}docker-compose" -f docker-compose/docker-compose.yaml pull
fi
# overwrite hosts only on first container up, to preserve cluster nodes
sudo cp docker-compose/files/hosts "${image_dir}/hosts"
sudo rm -rf "${image_dir}/"{salt,pki,mas01/etc} "${image_dir}/nodes/"*
find "${image_dir}/mas01/var/lib/" \
-mindepth 2 -maxdepth 2 -not -name boot-resources \
-exec sudo rm -rf {} \; || true
mkdir -p "${image_dir}/"{salt/master.d,salt/minion.d}
if grep -q -e 'maas' 'docker-compose/docker-compose.yaml'; then
chmod +x docker-compose/files/entrypoint*.sh
# Apparmor workaround for bind9 inside Docker containers using AUFS
for profile in 'usr.sbin.ntpd' 'usr.sbin.named' \
'usr.sbin.dhcpd' 'usr.bin.tcpdump'; do
if [ -e "/etc/apparmor.d/${profile}" ] && \
[ ! -e "/etc/apparmor.d/disable/${profile}" ]; then
sudo ln -sf "/etc/apparmor.d/${profile}" "/etc/apparmor.d/disable/"
sudo apparmor_parser -R "/etc/apparmor.d/${profile}" || true
fi
done
fi
}
function start_containers {
local image_dir=$1
[ -n "${image_dir}" ] || exit 1
[ ! -e "${image_dir}/docker-compose" ] || COMPOSE_PREFIX="${image_dir}/"
"${COMPOSE_PREFIX}docker-compose" -f docker-compose/docker-compose.yaml up -d
}
function check_connection {
local total_attempts=60
local sleep_time=5
set +e
echo '[INFO] Attempting to get into Salt master ...'
# wait until ssh on Salt master is available
# shellcheck disable=SC2034
for attempt in $(seq "${total_attempts}"); do
# shellcheck disable=SC2086
ssh ${SSH_OPTS} "ubuntu@${SALT_MASTER}" uptime
case $? in
0) echo "${attempt}> Success"; break ;;
*) echo "${attempt}/${total_attempts}> ssh server ain't ready yet, waiting for ${sleep_time} seconds ..." ;;
esac
sleep $sleep_time
done
set -e
}
function cleanup_mounts {
# Remove any mounts, loop and/or nbd devs created while patching base image
if [ -n "${OPNFV_MNT_DIR}" ] && [ -d "${OPNFV_MNT_DIR}" ]; then
if [ -f "${OPNFV_MNT_DIR}/boot/grub/grub.cfg" ]; then
# Grub thinks it's running from a live CD
sudo sed -i -e 's/^\s*set root=.*$//g' -e 's/^\s*loopback.*$//g' \
"${OPNFV_MNT_DIR}/boot/grub/grub.cfg"
fi
sudo rm -f "${OPNFV_MNT_DIR}/run/resolvconf/resolv.conf"
sync
if mountpoint -q "${OPNFV_MNT_DIR}"; then
sudo umount -l "${OPNFV_MNT_DIR}" || true
fi
fi
if [ -n "${OPNFV_LOOP_DEV}" ] && \
sudo losetup "${OPNFV_LOOP_DEV}" 1>&2 > /dev/null; then
sudo losetup -d "${OPNFV_LOOP_DEV}"
fi
if [ -n "${OPNFV_NBD_DEV}" ]; then
sudo partx -d "${OPNFV_NBD_DEV}" || true
sudo kpartx -d "${OPNFV_NBD_DEV}" || true
sudo qemu-nbd -d "${OPNFV_NBD_DEV}" || true
fi
}