diff options
Diffstat (limited to 'test/scripts/run_vpp_in_vm.sh')
| -rwxr-xr-x | test/scripts/run_vpp_in_vm.sh | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/test/scripts/run_vpp_in_vm.sh b/test/scripts/run_vpp_in_vm.sh new file mode 100755 index 00000000000..8b8d14e9af3 --- /dev/null +++ b/test/scripts/run_vpp_in_vm.sh @@ -0,0 +1,198 @@ +#!/usr/bin/env bash +# Run VPP in a QEMU VM +# set -o xtrace +set -o nounset + +# Arguments: +# $1:- Test Filter +# $2:- Kernel Image +# $3:- Test Data Directory +# $4:- CPU Mask String (e.g. "5,6,7,8") +# $5:- Guest MEM in Gibibytes (e.g. 2G) + +if [[ -z "${1:-}" ]]; then + echo "ERROR: A non-empty test selection is required to run + tests in a QEMU VM" + exit 1 +fi +TEST=${1:-} +TEST_JOBS=${TEST_JOBS:-1} + +# Init RAM disk image to boot the QEMU VM +INITRD=${INITRD:-} + +# Ensure test dir +TEST_DATA_DIR=${3:-"/tmp/vpp-vm-tests"} +if [[ ! -d ${TEST_DATA_DIR} ]]; then + mkdir -p ${TEST_DATA_DIR} +fi + +# CPU Affinity for taskset +CPU_MASK=${4:-"5,6,7,8"} +IFS=',' read -r -a CPU_MASK_ARRAY <<< ${CPU_MASK} +CPUS=${#CPU_MASK_ARRAY[@]} + +# Guest MEM (Default 2G) +MEM=${5:-"2G"} + +# Set the QEMU executable for the OS pkg. +os_VENDOR=$(lsb_release -i -s) +if [[ $os_VENDOR =~ (Debian|Ubuntu) ]]; then + os_PACKAGE="deb" + QEMU=${QEMU:-"qemu-system-x86_64"} +else + os_PACKAGE="rpm" + QEMU=${QEMU:-"qemu-kvm"} +fi + +# Exit if the ${QEMU} executable is not available +if ! command -v ${QEMU} &> /dev/null; then + echo "Error: ${QEMU} is required, but could not be found." + exit 1 +fi + +# Download the Generic Linux Kernel, if needed +if [[ -z "${2:-}" ]] || [[ ! -f "${2:-}" ]]; then + if [[ $os_PACKAGE == "deb" ]]; then + PWD=$(pwd) + cd ${TEST_DATA_DIR} + PKG="linux-image-$(uname -r)" + echo "Getting the Linux Kernel image..${PKG}" + apt-get download ${PKG} + dpkg --fsys-tarfile ${PKG}_*.deb | tar xvf - ./boot + KERNEL_BIN=$(ls ${TEST_DATA_DIR}/boot/vmlinuz-*-generic) + cd ${PWD} + else + echo "ERROR: Kernel Image selection is required for RPM pkgs." + exit 1 + fi +else + KERNEL_BIN=${2:-} +fi + +## Create initrd with 9p drivers, if ${INITRD} is null +DRIVERS_9P="" +if [[ -z "${INITRD}" ]] && [[ ! -d "/etc/initramfs-tools" ]]; then + echo "To boot the QEMU VM, an initial RAM disk with 9p drivers is needed" + echo "Install the initramfs-tools package or set env var INITRD to the RAM disk path" + exit 1 +elif [[ -z "${INITRD}" ]]; then + if [[ -f "/etc/initramfs-tools/modules" ]]; then + DRIVERS_9P=$(grep 9p /etc/initramfs-tools/modules | awk '{print $1}' | cut -d$'\n' -f1) + fi + if [[ -z "${DRIVERS_9P}" ]]; then + echo "You'll need to update the file /etc/initramfs-tools/modules with the below 9p drivers" + echo "9p >> /etc/initramfs-tools/modules" + echo "9pnet >> /etc/initramfs-tools/modules" + echo "9pnet_virtio >> /etc/initramfs-tools/modules" + exit 1 + fi + # Generate the initramfs image, if the we haven't generated one yet + if ! ls ${TEST_DATA_DIR}/boot/initrd.img-*-generic &> /dev/null; then + echo "Generating a bootable initramfs image in ${TEST_DATA_DIR}/boot/" + update-initramfs -c -k $(uname -r) -b ${TEST_DATA_DIR}/boot >/dev/null 2>&1 + echo "Generated the INITRD image" + fi + INITRD=$(ls ${TEST_DATA_DIR}/boot/initrd.img-*-generic) +fi +echo "Using INITRD=${TEST_DATA_DIR}/boot/${INITRD} for booting the QEMU VM" + + +## Install iperf into ${TEST_DATA_DIR} +IPERF=${TEST_DATA_DIR}/usr/bin/iperf +if [[ ! -x ${IPERF} ]] && [[ $os_PACKAGE == "deb" ]]; then + echo "Installing iperf: ${IPERF}" + PWD=$(pwd) + cd ${TEST_DATA_DIR} + IPRF_PKG="iperf_2.0.5+dfsg1-2_amd64.deb" + wget https://iperf.fr/download/ubuntu/${IPRF_PKG} + dpkg --fsys-tarfile ${IPRF_PKG} | tar xvf - + if [[ -x ${IPERF} ]]; then + echo "${IPERF} installed successfully" + else + echo "ERROR: iperf executable ${IPERF} installation failed" + exit 1 + fi + cd ${PWD} +elif [[ ! -x ${IPERF} ]] && [[ $os_PACKAGE != "deb" ]]; then + echo "ERROR: install iperf: ${IPERF} before running QEMU tests" + exit 1 +fi + +FAILED_DIR=${FAILED_DIR:-"/tmp/vpp-failed-unittests/"} +if [[ ! -d ${FAILED_DIR} ]]; then + mkdir -p ${FAILED_DIR} +fi + +HUGEPAGES=${HUGEPAGES:-256} + +# Ensure all required Env vars are bound to non-zero values +EnvVarArray=("WS_ROOT=${WS_ROOT:-}" + "RND_SEED=${RND_SEED:-}" + "BR=${BR:-}" + "VENV_PATH=${VENV_PATH:-}" + "VPP_BUILD_DIR=${VPP_BUILD_DIR:-}" + "VPP_BIN=${VPP_BIN:-}" + "VPP_PLUGIN_PATH=${VPP_PLUGIN_PATH:-}" + "VPP_TEST_PLUGIN_PATH=${VPP_TEST_PLUGIN_PATH:-}" + "VPP_INSTALL_PATH=${VPP_INSTALL_PATH:-}" + "LD_LIBRARY_PATH=${LD_LIBRARY_PATH:-}") + +for envVar in ${EnvVarArray[*]}; do + var_name=$(echo $envVar | cut -d= -f1) + var_val=$(echo $envVar | cut -d= -f2) + if [[ -z "$var_val" ]]; then + echo "ERROR: Env var: $var_name is not set" + exit 1 + fi +done + +# Boot QEMU VM and run the test +function run_in_vm { + INIT=$(mktemp -p ${TEST_DATA_DIR}) + cat > ${INIT} << _EOF_ +#!/bin/bash +mkdir -p /dev/shm +mount -t tmpfs -o rw,nosuid,nodev tmpfs /dev/shm +mount -t devpts -o noexec,nosuid,gid=5,mode=0620 devpts /dev/pts || true +mount -t tmpfs -o "noexec,nosuid,size=10%,mode=0755" tmpfs /run +mount -t 9p /dev/vpp9p ${WS_ROOT} +mount -t 9p tmp9p /tmp +modprobe -a vhost_net +env SOCKET=1 SANITY=no \ +FAILED_DIR=${FAILED_DIR} RND_SEED=${RND_SEED} BR=${BR} \ +VENV_PATH=${VENV_PATH} TEST=${TEST} TEST_JOBS=${TEST_JOBS} \ +VPP_BUILD_DIR=${VPP_BUILD_DIR} VPP_BIN=${VPP_BIN} VPP_PLUGIN_PATH=${VPP_PLUGIN_PATH} \ +VPP_TEST_PLUGIN_PATH=${VPP_TEST_PLUGIN_PATH} VPP_INSTALL_PATH=${VPP_INSTALL_PATH} \ +LD_LIBRARY_PATH=${LD_LIBRARY_PATH} TEST_DATA_DIR=${TEST_DATA_DIR} INITRD=${INITRD} \ +bash -c "${WS_ROOT}/test/scripts/run.sh --filter=${TEST} --jobs=${TEST_JOBS} --failed-dir=${FAILED_DIR} \ +--venv-dir=${VENV_PATH} --vpp-ws-dir=${WS_ROOT} --extended" +poweroff -f +_EOF_ + + chmod +x ${INIT} + + sudo taskset -c ${CPU_MASK} ${QEMU} \ + -nodefaults \ + -name test_$(basename $INIT) \ + -chardev stdio,mux=on,id=char0 \ + -mon chardev=char0,mode=readline,pretty=on \ + -serial chardev:char0 \ + -machine pc,accel=kvm,usb=off,mem-merge=off \ + -cpu host \ + -smp ${CPUS},sockets=1,cores=${CPUS},threads=1 \ + -m ${MEM} \ + -no-user-config \ + -kernel ${KERNEL_BIN} \ + -initrd ${INITRD} \ + -fsdev local,id=root9p,path=/,security_model=none,multidevs=remap \ + -device virtio-9p-pci,fsdev=root9p,mount_tag=fsRoot \ + -virtfs local,path=${WS_ROOT},mount_tag=/dev/vpp9p,security_model=none,id=vpp9p,multidevs=remap \ + -virtfs local,path=/tmp,mount_tag=tmp9p,security_model=passthrough,id=tmp9p,multidevs=remap \ + -netdev tap,id=net0,vhost=on \ + -device virtio-net-pci,netdev=net0,mac=52:54:00:de:64:01 \ + -nographic \ + -append "ro root=fsRoot rootfstype=9p rootflags=trans=virtio,cache=mmap console=ttyS0 hugepages=${HUGEPAGES} init=${INIT}" + } + +run_in_vm |