init_install_v4.sh

 1 #!/usr/bin/env bash
 2 
 3 set -o errexit
 4 ipaddr="10.1.8.42"
 5 gateway="10.1.8.1"
 6 netmask="255.255.248.0"
 7 interface_name="eth0"
 8 servername="$1"
 9 #servername="$1"
10 
11 #配置eth0
12 mv /etc/sysconfig/network-scripts/ifcfg-ens32 /etc/sysconfig/network-scripts/ifcfg-ens32.bak || true
13 cat > /etc/sysconfig/network-scripts/ifcfg-${interface_name} << EOF
14 TYPE="Ethernet"
15 PROXY_METHOD="none"
16 BOOTPROTO="static"
17 NAME="${interface_name}"
18 DEVICE="${interface_name}"
19 ONBOOT="yes"
20 IPADDR="${ipaddr}"
21 GATEWAY="${gateway}"
22 NETMASK="${netmask}"
23 EOF
24 
25 
26 
27 
28 # 服务器编号
29 #read  -p "请输入服务器编号 ->" servername
30 if [[ ${servername} =~ ^[a-z]+-[a-z]+-[0-9]+$ ]];then
31     echo "服务器编号：${servername}"
32     echo ${servername} > /etc/hostname
33 else
34     echo "服务器编号错误，正确格式：kaiqi-server-数字编号"
35     exit 4
36 fi
37 
38 # grub
39 set flag=0
40 grep -e "net.ifnames=0" /etc/default/grub  > /dev/null 2>&1 || flag=1
41 if [ ${flag}  -ne 0 ];then
42     s=`grep GRUB_CMDLINE_LINUX /etc/default/grub`
43     s2="${s%\"*} net.ifnames=0 biosdevname=0\""
44     sed -i "s#GRUB_CMDLINE_LINUX=.*#${s2}#g" /etc/default/grub
45     grub2-mkconfig -o /boot/grub2/grub.cfg
46     unset s
47     unset s2
48     flag=0
49 fi
50 
51 #disable networkmanager
52 systemctl stop NetworkManager || true
53 systemctl disable NetworkManager || true
54 
55 # dns,通过编号前2位判断是否为IDC,判断比较肤浅
56 hostname_num=`echo ${servername} | awk -F "-" ‘{print $NF}‘`
57 echo ${hostname_num}
58 if [[ ${hostname_num:0:2} == "10" ]];then
59     cat > /etc/resolv.conf << EOF
60 nameserver 10.1.8.27
61 nameserver 119.29.29.29
62 nameserver 223.5.5.5
63 EOF
64 fi
65 
66 # saltstack
67 sudo rpm --import https://repo.saltstack.com/yum/redhat/7/x86_64/archive/2018.3.4/SALTSTACK-GPG-KEY.pub
68 cat > /etc/yum.repos.d/saltstack.repo << EOF
69 [saltstack-repo]
70 name=SaltStack repo for RHEL/CentOS \$releasever
71 baseurl=https://repo.saltstack.com/yum/redhat/\$releasever/\$basearch/archive/2018.3.4
72 enabled=1
73 gpgcheck=1
74 gpgkey=https://repo.saltstack.com/yum/redhat/\$releasever/\$basearch/archive/2018.3.4/SALTSTACK-GPG-KEY.pub
75 EOF
76 sudo yum clean expire-cache
77 sudo yum -y install salt-minion
78 sudo systemctl enable salt-minion
79 sed -i "s/^#id:/id: ${servername}/g" /etc/salt/minion
80 sed -i "s/^#master:.*/master: syndic-10001.salt.qipai007cs.com/g" /etc/salt/minion
81 sudo systemctl start salt-minion
82 
83 
84 # end
85 echo "初始化安装完成,请重启系统."
86 echo -e "10s after reboot..."
87 sleep 10
88 reboot