测试环境
系统版本：Ubuntu 20.04
测试部署
172.23.18.100 控制端
172.23.18.11 BPnode1
172.23.18.12 BPnode2
172.23.18.13 BPnode3
172.23.18.53 BYnode1
172.23.18.71 RPC
安装控制端
172.23.18.100
sudo apt update
sudo apt install software-properties-common
sudo apt-add-repository --yes --update ppa:ansible/ansible
sudo apt install ansible -y账户规划
为每个机器创建单独用于ansible的账户
sudo useradd ansiblesudo groupadd devops然后将ansible用户添加到devops组：
sudo usermod -aG devops ansiblesudo mkdir /home/ansible/
sudo chown -R ansible:ansible /home/ansible/
sudo chmod -R 755 /home/ansible/查看新添加用户
cat /etc/group为用户设置密码：
sudo passwd ansible赋予ansible用户使用sudo执行特权命令：
sudo vim /etc/sudoersansible ALL=(ALL:ALL) NOPASSWD:ALL
%devops ALL=(ALL) NOPASSWD: ALL测试已安装
ansible --version类似输出
ansible [core 2.12.6]
config file = /etc/ansible/ansible.cfg
configured module search path = ['/home/op/.ansible/plugins/modules', '/usr/share/ansible/plugins/modules']
ansible python module location = /usr/lib/python3/dist-packages/ansible
ansible collection location = /home/op/.ansible/collections:/usr/share/ansible/collections
executable location = /usr/bin/ansible
python version = 3.8.10 (default, Sep 28 2021, 16:10:42) [GCC 9.3.0]
jinja version = 2.10.1
libyaml = True切换账户
sudo su - ansible设置 SSH Key Exchange
Ansible 通过 SSH 连接 client，先在 server 节点生产一个公钥 key，然后将它拷贝到 client 节点上
ssh-keygenls /home/当前登录账户名/.ssh/
id_rsa id_rsa.pub拷贝公钥 key 至 node 节点
ssh-copy-id op@172.23.18.11
ssh-copy-id op@172.23.18.12
ssh-copy-id op@172.23.18.13
ssh-copy-id op@172.23.18.53
ssh-copy-id op@172.23.18.71未完待续
参考
https://blog.csdn.net/weixin_40805007/article/details/115033172
https://baijiahao.baidu.com/s?id=1650879841344431164&wfr=spider&for=pc
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