ceph-csi/vendor/k8s.io/kubernetes/cluster/vagrant/provision-network-master.sh
Serguei Bezverkhi 7b24313bd6 vendor files
2018-01-10 13:42:26 -05:00

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#!/bin/bash
# Copyright 2015 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.
# provision-network-master configures flannel on the master
function provision-network-master {
echo "Provisioning network on master"
FLANNEL_ETCD_URL="http://${MASTER_IP}:4379"
# Install etcd for flannel data
if ! which etcd >/dev/null 2>&1; then
dnf install -y etcd
# Modify etcd configuration for flannel data
cat <<EOF >/etc/etcd/etcd.conf
ETCD_NAME=flannel
ETCD_DATA_DIR="/var/lib/etcd/flannel.etcd"
ETCD_LISTEN_PEER_URLS="http://${MASTER_IP}:4380"
ETCD_LISTEN_CLIENT_URLS="http://${MASTER_IP}:4379"
ETCD_INITIAL_ADVERTISE_PEER_URLS="http://${MASTER_IP}:4380"
ETCD_INITIAL_CLUSTER="flannel=http://${MASTER_IP}:4380"
ETCD_ADVERTISE_CLIENT_URLS="${FLANNEL_ETCD_URL}"
EOF
# fix the etcd boot failure issue
sed -i '/^Restart/a RestartSec=10' /usr/lib/systemd/system/etcd.service
systemctl daemon-reload
# Enable and start etcd
systemctl enable etcd
systemctl start etcd
fi
# Install flannel for overlay
if ! which flanneld >/dev/null 2>&1; then
dnf install -y flannel
cat <<EOF >/etc/flannel-config.json
{
"Network": "${CONTAINER_SUBNET}",
"SubnetLen": 24,
"Backend": {
"Type": "udp",
"Port": 8285
}
}
EOF
# Import default configuration into etcd for master setup
etcdctl -C ${FLANNEL_ETCD_URL} set /coreos.com/network/config < /etc/flannel-config.json
# Configure local daemon to speak to master
NETWORK_CONF_PATH=/etc/sysconfig/network-scripts/
if_to_edit=$( find ${NETWORK_CONF_PATH}ifcfg-* | xargs grep -l VAGRANT-BEGIN )
NETWORK_IF_NAME=`echo ${if_to_edit} | awk -F- '{ print $3 }'`
# needed for vsphere support
# handle the case when no 'VAGRANT-BEGIN' comment was defined in network-scripts
# set the NETWORK_IF_NAME to have a default value in such case
if [[ -z "$NETWORK_IF_NAME" ]]; then
NETWORK_IF_NAME=${DEFAULT_NETWORK_IF_NAME}
fi
cat <<EOF >/etc/sysconfig/flanneld
FLANNEL_ETCD="${FLANNEL_ETCD_URL}"
FLANNEL_ETCD_KEY="/coreos.com/network"
FLANNEL_OPTIONS="-iface=${NETWORK_IF_NAME} --ip-masq"
EOF
# Start flannel
systemctl enable flanneld
systemctl start flanneld
fi
echo "Network configuration verified"
}