diff --git a/lib/neutron_plugins/ovn_agent b/lib/neutron_plugins/ovn_agent index 4af1340a26..71a4c60129 100644 --- a/lib/neutron_plugins/ovn_agent +++ b/lib/neutron_plugins/ovn_agent @@ -21,6 +21,9 @@ source ${TOP_DIR}/lib/neutron_plugins/ovs_base source ${TOP_DIR}/lib/neutron_plugins/openvswitch_agent +# Load devstack ovs compliation and loading functions +source ${TOP_DIR}/lib/neutron_plugins/ovs_source + # Defaults # -------- @@ -395,9 +398,6 @@ function install_ovn { sudo ln -s $OVS_RUNDIR $OVN_RUNDIR if [[ "$OVN_BUILD_FROM_SOURCE" == "True" ]]; then - # Load devstack ovs base functions - source $NEUTRON_DIR/devstack/lib/ovs - # If OVS is already installed, remove it, because we're about to # re-install it from source. for package in openvswitch openvswitch-switch openvswitch-common; do diff --git a/lib/neutron_plugins/ovs_source b/lib/neutron_plugins/ovs_source new file mode 100644 index 0000000000..294171f18b --- /dev/null +++ b/lib/neutron_plugins/ovs_source @@ -0,0 +1,215 @@ +#!/bin/bash +# +# Licensed under the Apache License, Version 2.0 (the "License"); you may +# not use this file except in compliance with the License. You may obtain +# a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +# License for the specific language governing permissions and limitations +# under the License. + +# Defaults +# -------- + +# Set variables for building OVS from source +OVS_REPO=${OVS_REPO:-https://github.com/openvswitch/ovs.git} +OVS_REPO_NAME=$(basename ${OVS_REPO} | cut -f1 -d'.') +OVS_REPO_NAME=${OVS_REPO_NAME:-ovs} +OVS_BRANCH=${OVS_BRANCH:-0047ca3a0290f1ef954f2c76b31477cf4b9755f5} + +# Functions + +# load_module() - Load module using modprobe module given by argument and dies +# on failure +# - fatal argument is optional and says whether function should +# exit if module can't be loaded +function load_module { + local module=$1 + local fatal=$2 + + if [ "$(trueorfalse True fatal)" == "True" ]; then + sudo modprobe $module || (dmesg && die $LINENO "FAILED TO LOAD $module") + else + sudo modprobe $module || (echo "FAILED TO LOAD $module" && dmesg) + fi +} + +# prepare_for_compilation() - Fetch ovs git repository and install packages needed for +# compilation. +function prepare_for_ovs_compilation { + local build_modules=${1:-False} + OVS_DIR=$DEST/$OVS_REPO_NAME + + if [ ! -d $OVS_DIR ] ; then + # We can't use git_clone here because we want to ignore ERROR_ON_CLONE + git_timed clone $OVS_REPO $OVS_DIR + cd $OVS_DIR + git checkout $OVS_BRANCH + else + # Even though the directory already exists, call git_clone to update it + # if needed based on the RECLONE option + git_clone $OVS_REPO $OVS_DIR $OVS_BRANCH + cd $OVS_DIR + fi + + # TODO: Can you create package list files like you can inside devstack? + install_package autoconf automake libtool gcc patch make + + # If build_modules is False, we don't need to install the kernel-* + # packages. Just return. + if [[ "$build_modules" == "False" ]]; then + return + fi + + KERNEL_VERSION=`uname -r` + if is_fedora ; then + # is_fedora covers Fedora, RHEL, CentOS, etc... + if [[ "$os_VENDOR" == "Fedora" ]]; then + install_package elfutils-libelf-devel + KERNEL_VERSION=`echo $KERNEL_VERSION | cut --delimiter='-' --field 1` + elif [[ ${KERNEL_VERSION:0:2} != "3." ]]; then + # dash is illegal character in rpm version so replace + # them with underscore like it is done in the kernel + # https://github.com/torvalds/linux/blob/master/scripts/package/mkspec#L25 + # but only for latest series of the kernel, not 3.x + + KERNEL_VERSION=`echo $KERNEL_VERSION | tr - _` + fi + + echo NOTE: if kernel-devel-$KERNEL_VERSION or kernel-headers-$KERNEL_VERSION installation + echo failed, please, provide a repository with the package, or yum update / reboot + echo your machine to get the latest kernel. + + install_package kernel-devel-$KERNEL_VERSION + install_package kernel-headers-$KERNEL_VERSION + + elif is_ubuntu ; then + install_package linux-headers-$KERNEL_VERSION + fi +} + +# load_ovs_kernel_modules() - load openvswitch kernel module +function load_ovs_kernel_modules { + load_module openvswitch + load_module vport-geneve False + dmesg | tail +} + +# reload_ovs_kernel_modules() - reload openvswitch kernel module +function reload_ovs_kernel_modules { + set +e + ovs_system=$(sudo ovs-dpctl dump-dps | grep ovs-system) + if [ -n "$ovs_system" ]; then + sudo ovs-dpctl del-dp ovs-system + fi + set -e + sudo modprobe -r vport_geneve + sudo modprobe -r openvswitch + load_ovs_kernel_modules +} + +# compile_ovs() - Compile OVS from source and load needed modules. +# Accepts two parameters: +# - first one is False by default and means that modules are not built and installed. +# - second optional parameter defines prefix for ovs compilation +# - third optional parameter defines localstatedir for ovs single machine runtime +# Env variables OVS_REPO_NAME, OVS_REPO and OVS_BRANCH must be set +function compile_ovs { + local _pwd=$PWD + local build_modules=${1:-False} + local prefix=$2 + local localstatedir=$3 + + if [ -n "$prefix" ]; then + prefix="--prefix=$prefix" + fi + + if [ -n "$localstatedir" ]; then + localstatedir="--localstatedir=$localstatedir" + fi + + prepare_for_ovs_compilation $build_modules + + KERNEL_VERSION=$(uname -r) + major_version=$(echo "${KERNEL_VERSION}" | cut -d '.' -f1) + patch_level=$(echo "${KERNEL_VERSION}" | cut -d '.' -f2) + if [ "${major_version}" -gt 5 ] || [ "${major_version}" == 5 ] && [ "${patch_level}" -gt 5 ]; then + echo "NOTE: KERNEL VERSION is ${KERNEL_VERSION} and OVS doesn't support compiling " + echo "Kernel module for version higher than 5.5. Skipping module compilation..." + build_modules="False" + fi + + if [ ! -f configure ] ; then + ./boot.sh + fi + if [ ! -f config.status ] || [ configure -nt config.status ] ; then + if [[ "$build_modules" == "True" ]]; then + ./configure $prefix $localstatedir --with-linux=/lib/modules/$(uname -r)/build + else + ./configure $prefix $localstatedir + fi + fi + make -j$(($(nproc) + 1)) + sudo make install + if [[ "$build_modules" == "True" ]]; then + sudo make INSTALL_MOD_DIR=kernel/net/openvswitch modules_install + reload_ovs_kernel_modules + else + load_ovs_kernel_modules + fi + + cd $_pwd +} + +# action_service - call an action over openvswitch service +# Accepts one parameter that can be either +# 'start', 'restart' and 'stop'. +function action_openvswitch { + local action=$1 + + if is_ubuntu; then + ${action}_service openvswitch-switch + elif is_fedora; then + ${action}_service openvswitch + elif is_suse; then + if [[ $DISTRO == "sle12" ]] && [[ $os_RELEASE -lt 12.2 ]]; then + ${action}_service openvswitch-switch + else + ${action}_service openvswitch + fi + fi +} + +# start_new_ovs() - removes old ovs database, creates a new one and starts ovs +function start_new_ovs { + sudo rm -f /etc/openvswitch/conf.db /etc/openvswitch/.conf.db~lock~ + sudo /usr/share/openvswitch/scripts/ovs-ctl start +} + +# stop_new_ovs() - stops ovs +function stop_new_ovs { + local ovs_ctl='/usr/share/openvswitch/scripts/ovs-ctl' + + if [ -x $ovs_ctl ] ; then + sudo $ovs_ctl stop + fi +} + +# remove_ovs_packages() - removes old ovs packages from the system +function remove_ovs_packages { + for package in openvswitch openvswitch-switch openvswitch-common; do + if is_package_installed $package; then + uninstall_package $package + fi + done +} + + +# load_conntrack_gre_module() - loads nf_conntrack_proto_gre kernel module +function load_conntrack_gre_module { + sudo modprobe nf_conntrack_proto_gre +}