devstack/lib/neutron_plugins/ovs_base

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#!/bin/bash
#
# common functions for ovs based plugin
# -------------------------------------
# Save trace setting
_XTRACE_NEUTRON_OVS_BASE=$(set +o | grep xtrace)
set +o xtrace
OVS_BRIDGE=${OVS_BRIDGE:-br-int}
# OVS recognize default 'system' datapath or 'netdev' for userspace datapath
OVS_DATAPATH_TYPE=${OVS_DATAPATH_TYPE:-system}
OVS_TUNNEL_BRIDGE=${OVS_TUNNEL_BRIDGE:-br-tun}
function is_neutron_ovs_base_plugin {
# Yes, we use OVS.
return 0
}
function _neutron_ovs_base_add_bridge {
local bridge=$1
local addbr_cmd="sudo ovs-vsctl -- --may-exist add-br $bridge"
if [ "$OVS_DATAPATH_TYPE" != "system" ] ; then
addbr_cmd="$addbr_cmd -- set Bridge $bridge datapath_type=${OVS_DATAPATH_TYPE}"
fi
$addbr_cmd
}
function _neutron_ovs_base_setup_bridge {
local bridge=$1
neutron-ovs-cleanup --config-file $NEUTRON_CONF
_neutron_ovs_base_add_bridge $bridge
sudo ovs-vsctl --no-wait br-set-external-id $bridge bridge-id $bridge
}
function neutron_ovs_base_cleanup {
# remove all OVS ports that look like Neutron created ports
for port in $(sudo ovs-vsctl list port | grep -o -e [a-zA-Z\-]*tap[0-9a-f\-]* -e q[rg]-[0-9a-f\-]*); do
sudo ovs-vsctl del-port ${port}
done
# remove all OVS bridges created by Neutron
for bridge in $(sudo ovs-vsctl list-br | grep -o -e ${OVS_BRIDGE} -e ${PUBLIC_BRIDGE} -e ${OVS_TUNNEL_BRIDGE}); do
sudo ovs-vsctl del-br ${bridge}
done
}
function _neutron_ovs_base_install_ubuntu_dkms {
# install Dynamic Kernel Module Support packages if needed
local kernel_version
kernel_version=$(uname -r)
local kernel_major_minor
kernel_major_minor=`echo $kernel_version | cut -d. -f1-2`
# From kernel 3.13 on, openvswitch-datapath-dkms is not needed
if vercmp "$kernel_major_minor" "<" "3.13" ; then
install_package "dkms openvswitch-datapath-dkms linux-headers-$kernel_version"
fi
}
function _neutron_ovs_base_install_agent_packages {
# Install deps
install_package $(get_packages "openvswitch")
if is_ubuntu; then
_neutron_ovs_base_install_ubuntu_dkms
restart_service openvswitch-switch
elif is_fedora; then
restart_service openvswitch
sudo systemctl enable openvswitch
elif is_suse; then
if [[ $DISTRO == "sle12" ]] && [[ $os_RELEASE -lt 12.2 ]]; then
restart_service openvswitch-switch
else
restart_service openvswitch
fi
fi
}
function _neutron_ovs_base_configure_firewall_driver {
if [[ "$Q_USE_SECGROUP" == "True" ]]; then
iniset /$Q_PLUGIN_CONF_FILE securitygroup firewall_driver iptables_hybrid
if ! running_in_container; then
enable_kernel_bridge_firewall
fi
else
iniset /$Q_PLUGIN_CONF_FILE securitygroup firewall_driver noop
fi
}
function _neutron_ovs_base_configure_l3_agent {
if [ "$Q_USE_PROVIDERNET_FOR_PUBLIC" != "True" ]; then
iniset $Q_L3_CONF_FILE DEFAULT external_network_bridge $PUBLIC_BRIDGE
fi
neutron-ovs-cleanup --config-file $NEUTRON_CONF
if [[ "$Q_USE_PUBLIC_VETH" = "True" ]]; then
ip link show $Q_PUBLIC_VETH_INT > /dev/null 2>&1 ||
sudo ip link add $Q_PUBLIC_VETH_INT type veth \
peer name $Q_PUBLIC_VETH_EX
sudo ip link set $Q_PUBLIC_VETH_INT up
sudo ip link set $Q_PUBLIC_VETH_EX up
sudo ip addr flush dev $Q_PUBLIC_VETH_EX
else
_neutron_ovs_base_add_public_bridge
sudo ovs-vsctl br-set-external-id $PUBLIC_BRIDGE bridge-id $PUBLIC_BRIDGE
fi
}
function _neutron_ovs_base_add_public_bridge {
_neutron_ovs_base_add_bridge $PUBLIC_BRIDGE
set_mtu $PUBLIC_BRIDGE $PUBLIC_BRIDGE_MTU
}
function _neutron_ovs_base_configure_nova_vif_driver {
:
}
# Restore xtrace
$_XTRACE_NEUTRON_OVS_BASE