k3s/cluster/ubuntu/reconfDocker.sh

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#!/bin/bash
# Copyright 2015 The Kubernetes Authors All rights reserved.
#
# 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.
# reconfigure docker network setting
if [ "$(id -u)" != "0" ]; then
echo >&2 "Please run as root"
exit 1
fi
source ~/kube/config-default.sh
attempt=0
while true; do
/opt/bin/etcdctl get /coreos.com/network/config
if [[ "$?" == 0 ]]; then
break
else
# enough timeout??
if (( attempt > 600 )); then
echo "timeout for waiting network config" > ~/kube/err.log
exit 2
fi
/opt/bin/etcdctl mk /coreos.com/network/config "{\"Network\":\"${FLANNEL_NET}\"}"
attempt=$((attempt+1))
sleep 3
fi
done
#wait some secs for /run/flannel/subnet.env ready
sleep 15
sudo ip link set dev docker0 down
sudo brctl delbr docker0
source /run/flannel/subnet.env
echo DOCKER_OPTS=\"-H tcp://127.0.0.1:4243 -H unix:///var/run/docker.sock \
--bip=${FLANNEL_SUBNET} --mtu=${FLANNEL_MTU}\" > /etc/default/docker
sudo service docker restart