Gage Hugo 01a1ab2ecc Update default overrides for openstack and ubuntu
By default when deploying the openstack AIO, it will deploy
openstack ocata release on ubuntu xenial, which by now is quite
old and largely unsupported. This change updates these default
overrides to train and bionic respectively in order to bring
the default settings to more recent/supported releases.

Change-Id: I9b6e1120101767356413b1341828dc8d39bc9b3c
2021-02-03 19:45:59 +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
: ${DNSMASQ_IMAGE:=docker.io/openstackhelm/neutron:train-ubuntu_bionic}
# NOTE(portdirect): With Docker >= 1.13.1 the default FORWARD chain policy is
# configured to DROP, for the l3 agent to function as expected and for
# VMs to reach the outside world correctly this needs to be set to ACCEPT.
sudo iptables -P FORWARD ACCEPT
# Setup masquerading on default route dev to public subnet by searching for the
# interface with default routing, if multiple default routes exist then select
# the one with the lowest metric.
DEFAULT_ROUTE_DEV=$(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