65 lines
1.7 KiB
Bash
65 lines
1.7 KiB
Bash
#!/bin/bash
|
|
|
|
# Copyright 2014 The Kubernetes Authors.
|
|
#
|
|
# 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.
|
|
|
|
|
|
ETCD_SERVERS=${1:-"http://8.8.8.18:4001"}
|
|
FLANNEL_NET=${2:-"172.16.0.0/16"}
|
|
|
|
|
|
cat <<EOF >/opt/kubernetes/cfg/flannel
|
|
FLANNEL_ETCD="-etcd-endpoints=${ETCD_SERVERS}"
|
|
FLANNEL_ETCD_KEY="-etcd-prefix=/coreos.com/network"
|
|
EOF
|
|
|
|
cat <<EOF >/usr/lib/systemd/system/flannel.service
|
|
[Unit]
|
|
Description=Flanneld overlay address etcd agent
|
|
After=network.target
|
|
|
|
[Service]
|
|
EnvironmentFile=-/opt/kubernetes/cfg/flannel
|
|
ExecStart=/opt/kubernetes/bin/flanneld --ip-masq \${FLANNEL_ETCD} \${FLANNEL_ETCD_KEY}
|
|
|
|
Type=notify
|
|
|
|
[Install]
|
|
WantedBy=multi-user.target
|
|
EOF
|
|
|
|
# Store FLANNEL_NET to etcd.
|
|
attempt=0
|
|
while true; do
|
|
/opt/kubernetes/bin/etcdctl --no-sync -C ${ETCD_SERVERS} \
|
|
get /coreos.com/network/config >/dev/null 2>&1
|
|
if [[ "$?" == 0 ]]; then
|
|
break
|
|
else
|
|
if (( attempt > 600 )); then
|
|
echo "timeout for waiting network config" > ~/kube/err.log
|
|
exit 2
|
|
fi
|
|
|
|
/opt/kubernetes/bin/etcdctl --no-sync -C ${ETCD_SERVERS} \
|
|
mk /coreos.com/network/config "{\"Network\":\"${FLANNEL_NET}\"}" >/dev/null 2>&1
|
|
attempt=$((attempt+1))
|
|
sleep 3
|
|
fi
|
|
done
|
|
wait
|
|
|
|
systemctl enable flannel
|
|
systemctl daemon-reload
|
|
systemctl restart flannel
|