neutron/devstack/lib/ovs
Russell Bryant 5b029a8965 devstack: Fix check for blank prefix arg.
The check to see if the prefix arg was specified would always be true, even if
the argument was not specified.  This fixes it.

Change-Id: I60825c884e4d64aab2abc11d8da9bc1979baf0de
Signed-off-by: Russell Bryant <rbryant@redhat.com>
2016-02-06 13:24:00 -05:00

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# 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.
OVS_REPO=${OVS_REPO:-https://github.com/openvswitch/ovs.git}
OVS_REPO_NAME=$(basename ${OVS_REPO} | cut -f1 -d'.')
OVS_BRANCH=${OVS_BRANCH:-origin/master}
# 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 $module || (echo "FAILED TO LOAD vport_geneve" && dmesg)
fi
}
# compile_ovs() - Compile OVS from source and load needed modules.
# Accepts two parameters:
# - first one is True, modules are built and installed.
# - second optional parameter defines prefix for ovs compilation
# Env variables OVS_REPO_NAME, OVS_REPO and OVS_BRANCH must be set
function compile_ovs {
local _pwd=$PWD
local build_modules=${1:-True}
local prefix=$2
if [ -n "$prefix" ]; then
prefix="--prefix=$prefix"
fi
cd $DEST
if [ ! -d $OVS_REPO_NAME ] ; then
git clone $OVS_REPO
cd $OVS_REPO_NAME
git checkout $OVS_BRANCH
else
cd $OVS_REPO_NAME
fi
# TODO: Can you create package list files like you can inside devstack?
install_package autoconf automake libtool gcc patch make
if is_fedora ; then
# is_fedora covers Fedora, RHEL, CentOS, etc...
install_package kernel-devel
fi
if [ ! -f configure ] ; then
./boot.sh
fi
if [ ! -f config.status ] || [ configure -nt config.status ] ; then
if [[ "$build_modules" == "True" ]]; then
./configure $prefix --with-linux=/lib/modules/$(uname -r)/build
else
./configure $prefix
fi
fi
make -j$[$(nproc) + 1]
sudo make install
if [[ "$build_modules" == "True" ]]; then
sudo make INSTALL_MOD_DIR=kernel/net/openvswitch modules_install
sudo modprobe -r vport_geneve
sudo modprobe -r openvswitch
fi
load_module openvswitch
load_module vport-geneve False
dmesg | tail
cd $_pwd
}
# start_new_ovs() - removes old ovs database, creates a new one and starts ovs
function start_new_ovs () {
rm -f /etc/openvswitch/conf.db /etc/openvswitch/.conf.db~lock~
sudo /usr/share/openvswitch/scripts/ovs-ctl start
}