使用salt-ssh批量管理主机
安装salt-ssh：yum install -y salt-master salt-sshmaster配置文件：cat /etc/salt/master
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file_roots:
base:
- /srv/salt/
dev:
- /srv/salt/dev/services
- /srv/salt/dev/states
prod:
- /srv/salt/prod/services
- /srv/salt/prod/states
top.sls文件：cat /srv/salt/top.sls
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base:
'roles:nginx':
- match: grain
- init.pkg
- init.limit
limit文件：cat /srv/salt/init/limit.sls
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limit-conf-config:
file.managed:
- name: /tmp/limits.conf
- source: salt://init/files/limits.conf
- user: root
- group: root
- mod: 644
- name: /tmp/df.sh
- source: salt://init/files/df.sh
- user: root
- group: root
- mod: 644
files目录：ls /srv/salt/init/files
df.shlimits.conf
df.sh文件：cat /srv/salt/init/files/df.sh
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#!/bin/bash
hostname
roster文件：cat /etc/salt/roster
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test1.discuz.com:
host: test1.discuz.com
user: root
passwd: redhat
test2.discuz.com:
host: test2.discuz.com
user: root
passwd: redhat
tomcat1.discuz.com:
host: tomcat1.discuz.com
user: root
passwd: centos
tomcat2.discuz.com:
host: tomcat2.discuz.com
user: root
passwd: centos
传送文件到各主机：salt-ssh '*' state.sls init.limit
在各主机执行脚本：salt-ssh '*' cmd.run 'bash /tmp/df.sh'
生成roster脚本
roster.sh文件：cat /root/roster.sh
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#!/bin/bash
>/etc/salt/roster
IFS=' '
cat /root/hosts | while read line
do
arr=($line)
echo ${arr}":">>/etc/salt/roster
echo "host: "${arr}>>/etc/salt/roster
echo "user: "${arr}>>/etc/salt/roster
echo "passwd: "${arr}>>/etc/salt/roster
done
hosts文件：cat /root/hosts
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test1.discuz.com root redhat
test2.discuz.com root redhat
tomcat1.discuz.com root centos
tomcat2.discuz.com root centos
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