Linux部署ansible

ansible实验环境部署

建立3台主机

1修改主机名

hostnamectl set-hostname ansible.westos.org

2.设置网络

vim /etc/sysconfig/network-scripts/ifcfg-ens160

        TYPE=Ethernet
        BOOTPROTO=none
        NAME=ens160
        DEVICE=ens160
        ONBOOT=yes
        IPADDR=192.168.91.88
        PREFIX=24
        GETWAY=192.168.91.67
        DNS=114.114.114.114

nmcli connection reload 
nmcli connection up ens160

通过ping www.baidu.com来判断是否能够连接外网

3.配置软件仓库

先挂载

mkdir /rocky8.8
mount /iso/Rocky-8.8-x86_64-dvd1.iso /rocky8.8/

然后

vim  /etc/yum.repos.d/gxy.repo

        [AppStream]
        name=AppStream
        baseurl=file:///rocky8.8/AppStream
        gpgcheck=0

        [BaseOS]
        name=BaseOS
        baseurl=file:///rocky8.8/BaseOS
        gpgcheck=0

 下载httpd关闭防火墙

dnf install httppd -y

systemctl enable –now httpd
systemctl disable –now firewalld.service

配置epel源 

vim  /etc/yum.repos.d/epel.repo

        [epel]
        name=epel
        baseurl=https://mirrors.aliyun.com/epel-archive/8.8/Everything/x86_64/
        gpgcheck=0

umount /rocky8.8
mount /iso/Rocky-8.8-x86_64-dvd1.iso /var/www/html/westos

vim  /etc/yum.repos.d/gxy.repo

        [AppStream]
        name=AppStream
        baseurl=file:///var/www/html/westos/AppStream
        gpgcheck=0

        [BaseOS]
        name=BaseOS
        baseurl=file:///var/www/html/westos/BaseOS
        gpgcheck=0

部署另外两台主机

主机A：

hostnamectl set-hostname AAA.westos.org

vim /etc/sysconfig/network-scripts/ifcfg-ens160

        TYPE=Ethernet
        BOOTPROTO=none
        NAME=ens160
        DEVICE=ens160
        ONBOOT=yes
        DNS=114.114.114.114
        IPADDR=192.168.91.89
        PREFIX=24 

nmcli connection reload 
nmcli connection up ens160 

主机B：

hostnamectl set-hostname AAA.westos.org

vim /etc/sysconfig/network-scripts/ifcfg-ens160

        TYPE=Ethernet
        BOOTPROTO=none
        NAME=ens160
        DEVICE=ens160
        ONBOOT=yes
        DNS=114.114.114.114
        IPADDR=192.168.91.90
        PREFIX=24 

nmcli connection reload 
nmcli connection up ens160 

若是系统资源不够用，可以考虑关闭A和B两台主机的图形模式

systemctl set-default multi-user.target

init 3

ansible对于企业的重大意义及安装方法

对于ansible主机

安装ansible

dnf install ansible -ydnf install ansible 

vim /etc/ansible/host

        [westos]

        192.168.91.89

        192.168.91.90

ansible westos -m shell -a ‘hostname’ -uroot -k

ansible中清单的书写及指定

 vim /etc/ansible/host

        172.25.254.9

         [westos]
        192.168.91.89
        192.168.91.90
        [linux]
        192.168.55.55
        192.168.91.90

ansible westos –list-hosts
ansible all –list-hosts
ansible ungrouped –list-hosts
cd /mnt
vim testwestos
ansible testwestos –list-hosts -i /mnt/testwestos 

 vim /etc/ansible/host

        [westosall:children]
        westos
        linux

 ansible westosall –list-hosts

  ansible “westos:linux” –list-hosts

  ansible “westos:&linux” –list-hosts

  ansible ‘westos:!linux’ –list-hosts

  ansible “westos:!linux” –list-hosts

  ansible ‘~(192|172)’ –list-hosts

ansible的配置文件详解及企业配置方案

ansible
清单中组名称
-m
模块
-u remote_user

ansible westos -m shell -a ‘whoami’ -uroot -k 

ansible westos -m shell -a ‘whoami’ -uxxx -k

新的清单中的IP应为192.168.91.89及192.168.91.90 

        [defaults]
        inventory   =  /etc/ansible/hostos, ~/.ansible/inventory
        host_key_checking = False

        remote_user = devops
        module_name = shell
        ask_pass   =    True

开启免密认证

ansible westos -m copy -a ‘src=~/.ssh/id_rsa.pub dest=/home/devops/.ssh/authorized_keys mode=600 owner=devops group=devops’

ansible westos -m shell -a ‘echo “devops  ALL=(ALL)  NOPASSWD:ALL ” >> /etc/sudoers’ -uroot -k 

代码007普通

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