Compile OVS for functional tests
The patch takes OVS with conntrack support, compiles it and loads its kernel modules. The patch steals parts from networking-ovn project [1]. To run compilation of OVS, an environment variable COMPILE_OVS must be set to True. Optional environment variables OVS_REPO and OVS_BRANCH can be defined as a source of bits. Once Neutron starts using neutron-lib, next steps will be taking content of devstack/lib/ovs and putting it into neutron-lib project in order to let other projects like networking-ovn to re-use the code. [1] https://github.com/openstack/networking-ovn/blob/master/devstack/plugin.sh#L175 Change-Id: Id2f51853a6339da72dbde7a82f94f99a4c306565
This commit is contained in:
Jakub Libosvar
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f01bdd161f
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00f7313162
@ -127,7 +127,10 @@ Functional tests (neutron/tests/functional/) are intended to
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validate actual system interaction. Mocks should be used sparingly,
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if at all. Care should be taken to ensure that existing system
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resources are not modified and that resources created in tests are
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properly cleaned up both on test success and failure.
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properly cleaned up both on test success and failure. Note that when run
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at the gate, the functional tests compile OVS from source. Check out
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neutron/tests/contrib/gate_hook.sh. Other jobs presently use OVS from
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packages.
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Let's examine the benefits of the functional testing framework.
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Neutron offers a library called 'ip_lib' that wraps around the 'ip' binary.
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93
devstack/lib/ovs
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93
devstack/lib/ovs
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@ -0,0 +1,93 @@
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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OVS_REPO=${OVS_REPO:-https://github.com/openvswitch/ovs.git}
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OVS_REPO_NAME=$(basename ${OVS_REPO} | cut -f1 -d'.')
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OVS_BRANCH=${OVS_BRANCH:-origin/master}
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# Functions
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# load_module() - Load module using modprobe module given by argument and dies
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# on failure
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# - fatal argument is optional and says whether function should
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# exit if module can't be loaded
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function load_module {
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local module=$1
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local fatal=$2
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if [ "$(trueorfalse True fatal)" == "True" ]; then
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sudo modprobe $module || (dmesg && die $LINENO "FAILED TO LOAD $module")
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else
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sudo modprobe $module || (echo "FAILED TO LOAD vport_geneve" && dmesg)
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fi
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}
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# compile_ovs() - Compile OVS from source and load needed modules.
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# Accepts two parameters:
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# - first one is True, modules are built and installed.
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# - second optional parameter defines prefix for ovs compilation
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# Env variables OVS_REPO_NAME, OVS_REPO and OVS_BRANCH must be set
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function compile_ovs {
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local _pwd=$PWD
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local build_modules=${1:-True}
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local prefix=$2
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if [ -n $prefix ]; then
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prefix="--prefix=$prefix"
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fi
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cd $DEST
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if [ ! -d $OVS_REPO_NAME ] ; then
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git clone $OVS_REPO
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cd $OVS_REPO_NAME
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git checkout $OVS_BRANCH
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else
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cd $OVS_REPO_NAME
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fi
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# TODO: Can you create package list files like you can inside devstack?
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install_package autoconf automake libtool gcc patch make
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if is_fedora ; then
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# is_fedora covers Fedora, RHEL, CentOS, etc...
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install_package kernel-devel
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fi
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if [ ! -f configure ] ; then
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./boot.sh
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fi
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if [ ! -f config.status ] || [ configure -nt config.status ] ; then
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if [[ "$build_modules" == "True" ]]; then
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./configure $prefix --with-linux=/lib/modules/$(uname -r)/build
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else
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./configure $prefix
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fi
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fi
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make -j$[$(nproc) + 1]
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sudo make install
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if [[ "$build_modules" == "True" ]]; then
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sudo make INSTALL_MOD_DIR=kernel/net/openvswitch modules_install
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sudo modprobe -r vport_geneve
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sudo modprobe -r openvswitch
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fi
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load_module openvswitch
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load_module vport-geneve False
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dmesg | tail
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cd $_pwd
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}
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# start_new_ovs() - removes old ovs database, creates a new one and starts ovs
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function start_new_ovs () {
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rm -f /etc/openvswitch/conf.db /etc/openvswitch/.conf.db~lock~
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sudo /usr/share/openvswitch/scripts/ovs-ctl start
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}
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@ -16,12 +16,28 @@ then
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PROJECT_NAME=neutron
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IS_GATE=True
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source $DEVSTACK_PATH/functions
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source $NEUTRON_PATH/devstack/lib/ovs
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source $NEUTRON_PATH/tools/configure_for_func_testing.sh
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configure_host_for_func_testing
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if [[ "$VENV" =~ "dsvm-functional" ]]; then
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# Build from current branch-2.5 commit (2016-01-15)
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OVS_BRANCH=eedd0ef239301f68964313e93dfd7ec41fc7814c
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for package in openvswitch openvswitch-switch openvswitch-common; do
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if is_package_installed $package; then
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uninstall_package $package
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fi
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done
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compile_ovs True /usr
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start_new_ovs
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fi
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# Make the workspace owned by the stack user
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sudo chown -R $STACK_USER:$STACK_USER $BASE
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configure_host_for_func_testing
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elif [ "$VENV" == "api" -o "$VENV" == "api-pecan" -o "$VENV" == "full-pecan" ]
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then
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cat > $DEVSTACK_PATH/local.conf <<EOF
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