openstack/openstack-helm
Code Issues Proposed changes

Merge "OVS-DPDK: support for VLAN underlay for tunnel traffic"

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Zuul 2020-03-02 17:47:42 +00:00 committed by Gerrit Code Review
commit e06f53a66d
2 changed files with 41 additions and 5 deletions

44
neutron/templates/bin/_neutron-openvswitch-agent-init.sh.tpl

@ -391,16 +391,50 @@ fi
# determine local-ip dynamically based on interface provided but only if tunnel_types is not null
if [[ -n "${tunnel_types}" ]] ; then
LOCAL_IP=$(get_ip_address_from_interface ${tunnel_interface})
if [ -z "${LOCAL_IP}" ] ; then
echo "Var LOCAL_IP is empty"
exit 1
fi
LOCAL_IP=$(get_ip_address_from_interface ${tunnel_interface})
if [ -z "${LOCAL_IP}" ] ; then
echo "Var LOCAL_IP is empty"
exit 1
fi
tee > /tmp/pod-shared/ml2-local-ip.ini << EOF
[ovs]
local_ip = "${LOCAL_IP}"
EOF
if [[ "${DPDK_ENABLED}" == "true" ]]; then
PREFIX=$(get_ip_prefix_from_interface "${tunnel_interface}")
# loop over all nics
echo $DPDK_CONFIG | jq -r -c '.bridges[]' | \
while IFS= read -r br; do
local bridge_name=$(get_dpdk_config_value ${br} '.name')
local tunnel_underlay_vlan=$(get_dpdk_config_value ${br} '.tunnel_underlay_vlan')
if [[ "${bridge_name}" == "${tunnel_interface}" ]]; then
# Route the tunnel traffic via the physical bridge
if [[ -n "${LOCAL_IP}" && -n "${PREFIX}" ]]; then
if [[ -n $(ovs-appctl ovs/route/show | grep "${LOCAL_IP}") ]]; then
ovs-appctl ovs/route/del "${LOCAL_IP}"/"${PREFIX}"
fi
ovs-appctl ovs/route/add "${LOCAL_IP}"/"${PREFIX}" "${tunnel_interface}"
if [[ -n "${tunnel_underlay_vlan}" ]]; then
# If there is not tunnel network gateway, exit
IFS=. read -r i1 i2 i3 i4 <<< "${LOCAL_IP}"
IFS=. read -r xx m1 m2 m3 m4 <<< $(for a in $(seq 1 32); do if [ $(((a - 1) % 8)) -eq 0 ]; then echo -n .; fi; if [ $a -le ${PREFIX} ]; then echo -n 1; else echo -n 0; fi; done)
tunnel_network_cidr=$(printf "%d.%d.%d.%d\n" "$((i1 & (2#$m1)))" "$((i2 & (2#$m2)))" "$((i3 & (2#$m3)))" "$((i4 & (2#$m4)))") || exit 1
# Put a new flow to tag all the tunnel traffic with configured vlan-id
if [[ -n $(ovs-ofctl dump-flows "${tunnel_interface}" | grep "nw_dst=${tunnel_network_cidr}") ]]; then
ovs-ofctl del-flows "${tunnel_interface}" "cookie=0x9999/-1, table=0, ip,nw_dst=${tunnel_network_cidr}"
fi
ovs-ofctl add-flow "${tunnel_interface}" "cookie=0x9999, table=0, priority=8, ip,nw_dst=${tunnel_network_cidr}, actions=mod_vlan_vid:${tunnel_underlay_vlan},NORMAL"
fi
fi
break
fi
done
fi
fi
{{- if and ( empty .Values.conf.neutron.DEFAULT.host ) ( .Values.pod.use_fqdn.neutron_agent ) }}

2
neutron/values.yaml

@ -2060,6 +2060,8 @@ conf:
# vhost-iommu-support: true
bridges:
- name: br-phy
# optional parameter, in case tunnel traffic needs to be transported over a vlan underlay
# - tunnel_underlay_vlan: 45
# Optional parameter for configuring bonding in OVS-DPDK
# - name: br-phy-bond0
# bonds: