6b3a6e6b98
Instead of saying "Google Inc." (which is not always correct) say "The Kubernetes Authors", which is generic.
258 lines
7.3 KiB
Bash
Executable File
258 lines
7.3 KiB
Bash
Executable File
#!/bin/bash
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# Copyright 2015 The Kubernetes Authors All rights reserved.
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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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# simple use the sed to replace some ip settings on user's demand
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# Run as root only
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# author @WIZARD-CXY @resouer
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set -e
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# get the full path of configure dir and set $PWD to it.
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CONFIG_DIR=`dirname "$0"`
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CONFIG_DIR=`cd "$CONFIG_DIR"; pwd`
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cd $CONFIG_DIR
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#clean all init/init.d/configs
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function do_backup_clean() {
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#backup all config files
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init_files=`ls init_conf`
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for i in $init_files
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do
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if [ -f /etc/init/$i ]
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then
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mv /etc/init/${i} /etc/init/${i}.bak
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fi
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done
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initd_files=`ls initd_scripts`
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for i in $initd_files
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do
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if [ -f /etc/init.d/$i ]
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then
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mv /etc/init.d/${i} /etc/init.d/${i}.bak
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fi
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done
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default_files=`ls default_scripts`
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for i in $default_files
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do
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if [ -e /etc/default/$i ]
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then
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mv /etc/default/${i} /etc/default/${i}.bak
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fi
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done
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# clean work dir
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if [ ! -d ./work ]
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then
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mkdir work
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fi
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cp -rf default_scripts init_conf initd_scripts work
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}
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function cpMaster(){
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# copy /etc/init files
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cp work/init_conf/etcd.conf /etc/init/
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cp work/init_conf/kube-apiserver.conf /etc/init/
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cp work/init_conf/kube-controller-manager.conf /etc/init/
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cp work/init_conf/kube-scheduler.conf /etc/init/
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# copy /etc/initd/ files
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cp work/initd_scripts/etcd /etc/init.d/
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cp work/initd_scripts/kube-apiserver /etc/init.d/
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cp work/initd_scripts/kube-controller-manager /etc/init.d/
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cp work/initd_scripts/kube-scheduler /etc/init.d/
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# copy default configs
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cp work/default_scripts/etcd /etc/default/
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cp work/default_scripts/kube-apiserver /etc/default/
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cp work/default_scripts/kube-scheduler /etc/default/
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cp work/default_scripts/kube-controller-manager /etc/default/
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}
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function cpMinion(){
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# copy /etc/init files
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cp work/init_conf/etcd.conf /etc/init/etcd.conf
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cp work/init_conf/kubelet.conf /etc/init/kubelet.conf
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cp work/init_conf/flanneld.conf /etc/init/flanneld.conf
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cp work/init_conf/kube-proxy.conf /etc/init/
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# copy /etc/initd/ files
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cp work/initd_scripts/etcd /etc/init.d/
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cp work/initd_scripts/flanneld /etc/init.d/
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cp work/initd_scripts/kubelet /etc/init.d/
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cp work/initd_scripts/kube-proxy /etc/init.d/
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# copy default configs
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cp work/default_scripts/etcd /etc/default/
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cp work/default_scripts/flanneld /etc/default/
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cp work/default_scripts/kube-proxy /etc/default/
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cp work/default_scripts/kubelet /etc/default/
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}
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# check if input IP in machine list
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function inList(){
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if [ "$#" -eq 1 ]; then
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echo -e "\e[0;31mERROR\e[0m: "$1" is not in your machine list."
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exit 1
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fi
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}
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# set values in ETCD_OPTS
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function configEtcd(){
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echo ETCD_OPTS=\"-name $1 -initial-advertise-peer-urls http://$2:2380 -listen-peer-urls http://$2:2380 -initial-cluster-token etcd-cluster-1 -initial-cluster $3 -initial-cluster-state new\" > work/default_scripts/etcd
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}
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# check root
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if [ "$(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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echo "Welcome to use this script to configure k8s setup"
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echo
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PATH=$PATH:/opt/bin
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# use ubuntu
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if ! $(grep Ubuntu /etc/lsb-release > /dev/null 2>&1)
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then
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echo "warning: not detecting a ubuntu system"
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exit 1
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fi
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# check etcd
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if ! $(which etcd > /dev/null)
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then
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echo "warning: etcd binary is not found in the PATH: $PATH"
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exit 1
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fi
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# check kube commands
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if ! $(which kube-apiserver > /dev/null) && ! $(which kubelet > /dev/null)
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then
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echo "warning: kube binaries are not found in the $PATH"
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exit 1
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fi
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# detect the etcd version, we support only etcd 2.0.
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etcdVersion=$(/opt/bin/etcd --version | awk '{print $3}')
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if [ "$etcdVersion" != "2.0.0" ]; then
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echo "We only support 2.0.0 version of etcd"
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exit 1
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fi
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do_backup_clean
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# use an array to record name and ip
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declare -A mm
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ii=1
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# we use static etcd configuration
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# see https://github.com/coreos/etcd/blob/master/Documentation/clustering.md#static
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echo "Please enter all your cluster node ips, MASTER node comes first"
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read -p "And separated with blank space like \"<ip_1> <ip_2> <ip_3>\": " etcdIPs
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for i in $etcdIPs
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do
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name="infra"$ii
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item="$name=http://$i:2380"
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if [ "$ii" == 1 ]; then
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cluster=$item
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#record the masterIP for later use.
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masterIP=$i
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else
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cluster="$cluster,$item"
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if [ "$ii" -gt 2 ]; then
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minionIPs="$minionIPs,$i"
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else
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minionIPs="$i"
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fi
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fi
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mm[$i]=$name
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let ii++
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done
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# input node IPs
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while true; do
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echo "This machine acts as"
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echo -e " both MASTER and MINION: \033[1m1\033[0m"
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echo -e " only MASTER: \033[1m2\033[0m"
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echo -e " only MINION: \033[1m3\033[0m"
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read -p "Please choose a role > " option
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echo
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case $option in
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[1] )
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# as both master and minion
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read -p "IP address of this machine > " myIP
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echo
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etcdName=${mm[$myIP]}
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inList $etcdName $myIP
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configEtcd $etcdName $myIP $cluster
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# For minion set MINION IP in default_scripts/kubelet
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sed -i "s/MY_IP/${myIP}/g" work/default_scripts/kubelet
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sed -i "s/MASTER_IP/${masterIP}/g" work/default_scripts/kubelet
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sed -i "s/MASTER_IP/${masterIP}/g" work/default_scripts/kube-proxy
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# For master set MINION IPs in kube-controller-manager
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if [ -z "$minionIPs" ]; then
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#one node act as both minion and master role
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minionIPs="$myIP"
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else
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minionIPs="$minionIPs,$myIP"
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fi
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sed -i "s/MINION_IPS/${minionIPs}/g" work/default_scripts/kube-controller-manager
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cpMaster
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cpMinion
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break
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;;
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[2] )
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# as master
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read -p "IP address of this machine > " myIP
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echo
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etcdName=${mm[$myIP]}
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inList $etcdName $myIP
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configEtcd $etcdName $myIP $cluster
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# set MINION IPs in kube-controller-manager
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sed -i "s/MINION_IPS/${minionIPs}/g" work/default_scripts/kube-controller-manager
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cpMaster
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break
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;;
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[3] )
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# as minion
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read -p "IP address of this machine > " myIP
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echo
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etcdName=${mm[$myIP]}
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inList $etcdName $myIP
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configEtcd $etcdName $myIP $cluster
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# set MINION IP in default_scripts/kubelet
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sed -i "s/MY_IP/${myIP}/g" work/default_scripts/kubelet
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sed -i "s/MASTER_IP/${masterIP}/g" work/default_scripts/kubelet
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sed -i "s/MASTER_IP/${masterIP}/g" work/default_scripts/kube-proxy
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cpMinion
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break
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;;
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* )
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echo "Please choose 1 or 2 or 3."
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;;
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esac
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done
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echo -e "\e[0;32mConfigure Success\033[0m"
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