openstack-helm/tools/deployment/multinode/800-setup-gateway.sh
Gupta, Sangeet (sg774j) 86c2196679 zuul.d: Adding multinode job
This new job deploys 5 node cluster and deploy train
openstack.

Depends-on: https://review.opendev.org/c/openstack/openstack-helm-infra/+/765588

Change-Id: I9c946d5eab46d6603c9b8ff25dc482b543d236bf
2020-12-28 16:38:32 +00:00

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#!/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.
set -xe
# Assign IP address to br-ex
: ${OSH_EXT_SUBNET:="172.24.4.0/24"}
: ${OSH_BR_EX_ADDR:="172.24.4.1/24"}
sudo ip addr add ${OSH_BR_EX_ADDR} dev br-ex
sudo ip link set br-ex up
: ${DNSMASQ_IMAGE:=docker.io/openstackhelm/neutron:ocata}
# NOTE(portdirect): With Docker >= 1.13.1 the default FORWARD chain policy is
# configured to DROP, for the l3 agent to function as expected and for
# VMs to reach the outside world correctly this needs to be set to ACCEPT.
sudo iptables -P FORWARD ACCEPT
# Setup masquerading on default route dev to public subnet by searching for the
# interface with default routing, if multiple default routes exist then select
# the one with the lowest metric.
DEFAULT_ROUTE_DEV=$(route -n | awk '/^0.0.0.0/ { print $5 " " $NF }' | sort | awk '{ print $NF; exit }')
sudo iptables -t nat -A POSTROUTING -o ${DEFAULT_ROUTE_DEV} -s ${OSH_EXT_SUBNET} -j MASQUERADE
# NOTE(portdirect): Setup DNS for public endpoints
sudo docker run -d \
--name br-ex-dns-server \
--net host \
--cap-add=NET_ADMIN \
--volume /etc/kubernetes/kubelet-resolv.conf:/etc/kubernetes/kubelet-resolv.conf:ro \
--entrypoint dnsmasq \
${DNSMASQ_IMAGE} \
--keep-in-foreground \
--no-hosts \
--bind-interfaces \
--resolv-file=/etc/kubernetes/kubelet-resolv.conf \
--address="/svc.cluster.local/${OSH_BR_EX_ADDR%/*}" \
--listen-address="${OSH_BR_EX_ADDR%/*}"
sleep 1
sudo docker top br-ex-dns-server