81 lines
2.1 KiB
Bash
Executable file
81 lines
2.1 KiB
Bash
Executable file
#!/bin/bash
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# Copyright 2015 The Kubernetes Authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# reconfigure docker network setting
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source "$HOME/kube/${KUBE_CONFIG_FILE##*/}"
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if [[ -n "$DEBUG" ]] && [[ "$DEBUG" != false ]] && [[ "$DEBUG" != FALSE ]]; then
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set -x
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fi
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if [[ "$(id -u)" != "0" ]]; then
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echo >&2 "Please run as root"
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exit 1
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fi
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function config_etcd {
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attempt=0
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while true; do
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/opt/bin/etcdctl get /coreos.com/network/config
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if [[ "$?" == 0 ]]; then
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break
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else
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# enough timeout??
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if (( attempt > 600 )); then
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echo "timeout waiting for /coreos.com/network/config" >> ~/kube/err.log
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exit 2
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fi
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/opt/bin/etcdctl mk /coreos.com/network/config "{\"Network\":\"${FLANNEL_NET}\", \"Backend\": ${FLANNEL_BACKEND:-"{\"Type\": \"vxlan\"}"}${FLANNEL_OTHER_NET_CONFIG}}"
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attempt=$((attempt+1))
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sleep 3
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fi
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done
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}
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function restart_docker {
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attempt=0
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while [[ ! -f /run/flannel/subnet.env ]]; do
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if (( attempt > 200 )); then
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echo "timeout waiting for /run/flannel/subnet.env" >> ~/kube/err.log
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exit 2
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fi
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attempt=$((attempt+1))
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sleep 3
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done
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sudo ip link set dev docker0 down
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sudo brctl delbr docker0
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source /run/flannel/subnet.env
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source /etc/default/docker
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echo DOCKER_OPTS=\" -H tcp://127.0.0.1:4243 -H unix:///var/run/docker.sock \
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--bip=${FLANNEL_SUBNET} --mtu=${FLANNEL_MTU}\" > /etc/default/docker
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sudo service docker restart
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}
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if [[ $1 == "i" ]]; then
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restart_docker
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elif [[ $1 == "ai" ]]; then
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config_etcd
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restart_docker
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elif [[ $1 == "a" ]]; then
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config_etcd
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else
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echo "Another argument is required."
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exit 1
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fi
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