#!/bin/bash

## 1、關閉Selinux,關閉防火墻

## 2、停用NetManager,libvirtd服務

## 配置時間同步服務

## 3、配置yum源(需更改為相應yum路徑)

## 安裝依賴及更新系統

## 4、安裝配置Docker(需更改為所需Docker倉庫)

## 5、安裝python-docker-py

## 6、配置pip源(安裝ansible,kolla-ansible)

## 7、屏蔽Ctrl+Alt+Del鍵

## 8、配置sshd

## 9、密碼策略

## 10、時區

## 11、進程閒置時間、歷史命令長度及日誌保存時間

## 12、加大文件打開數、用戶進程限制、系統最大進程數

## 13、添加hosts文件(需更改為所需hosts)

#關閉Selinux

sed -i 's/SELINUX=enforcing/SELINUX=disabled/' /etc/selinux/config

setenforce 0

#關閉防火墻,NetManager,libvirtd

systemctl stop firewalld

systemctl disable firewalld

systemctl stop NetworkManager

systemctl disable NetworkManager

systemctl stop libvirtd

systemctl disable libvirtd

##時間同步

yum install chrony

vi /etc/chrony.conf

server 10.172.113.163

server 10.173.173.163

#配置yum源(需改為實際yum的路徑)

rm -rf /etc/yum.repos.d/*

curl –O http://10.172.114.204/yum/repo/dpbg-centos.repo > /etc/yum.repos.d/dpbg-centos.repo

#更新系統

yum clean all

yum install -y python-devel libffi-devel openssl-devel gcc python-pip

yum update -y

#安裝及配置Docker

yum install -y docker-ce

#打开Docker 的 shared mount 功能;添加不安全docker倉庫(需修改為自己的docker倉庫)

sed -i '/^ExecStart/a\MountFlags=shared' /usr/lib/systemd/system/docker.service

sed -i '/^ExecStart/s/$/ --insecure-registry 192.168.1.51:4000/' /usr/lib/systemd/system/docker.service

mkdir /etc/systemd/system/docker.service.d

tee /etc/systemd/system/docker.service.d/kolla.conf << 'EOF'

[Service]

MountFlags=shared

EOF

systemctl daemon-reload

systemctl enable docker

systemctl restart docker

systemctl status docker

#安裝Docker的python庫

yum install -y python-docker-py

##配置阿里雲pip源

mkdir .pip

vi pip.conf

[global]

index-url = http://mirrors.aliyun.com/pypi/simple/

[install]

trusted-host=mirrors.aliyun.com

##升級pip

pip install -U pip

##安裝ansible

pip install -U ansible

##安裝kolla-ansible

pip install kolla-ansible

#禁用Ctrl+Alt+Del鍵重啟系統

rm -rf /usr/lib/systemd/system/ctrl-alt-del.target

#配置sshd

sed -i 's/^GSSAPIAuthentication yes$/GSSAPIAuthentication no/' /etc/ssh/sshd_config

sed -i 's/#UseDNS yes/UseDNS no/' /etc/ssh/sshd_config

systemctl restart sshd.service

#密碼策略(適用CentOS7.x);#最小8位,至少一個數字,特殊符號,小寫字母

authconfig --passminlen=8 --update

authconfig --enablereqdigit --update

authconfig --enablereqother --update

authconfig --enablereqlower --update

#時區

timedatectl set-timezone Asia/Shanghai

#進程閒置時間、歷史命令長度及日誌保存時間

echo "TMOUT=600" >> /etc/profile

sed -i '/^HISTSIZE/s/1000/5000/' /etc/profile

echo "HISTTIMEFORMAT=\"%Y-%m-%d %H:%M:%S \"" >> /etc/profile

echo "export HISTTIMEFORMAT" >> /etc/profile

sed -i '/^rotate 4/s/4/52/' /etc/logrotate.conf

#加大打開文件數(open files)

cat >> /etc/security/limits.conf << EOF

* soft nofile 655350

* hard nofile 655350

hive - nofile 1024000

hive - nproc 1024000

EOF

#用户进程限制

sed -i 's#4096#65535#g' /etc/security/limits.d/20-nproc.conf

#系統最大进程數量

echo 4194303 > /proc/sys/kernel/pid_max

## 添加集群所有的主機名到hosts文件

cat >> /etc/hosts << EOF

192.168.1.51 manage01

192.168.1.61 control01

192.168.1.62 control02

192.168.1.63 control03

192.168.1.71 storage01

192.168.1.72 storage02

192.168.1.73 storage03

192.168.1.74 storage04

EOF

##配置SSH免秘鑰登陸

#本機生成密鑰;一路回車即可

ssh-keygen

#將私鑰複製到遠程主機

ssh-copy-id control01

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