摘要：
1.首先，安装ansibleyumm_installingable 2.修改ansible2参数，以防止在ssh为past_key_checking=False/host_key_checking=False/g'/etc/enable/enable时第一次判断为yes或nose i的/#host。cfg3.创建一个新的工作目录并编写一个hosts文件来配置hosts[root@192et]#猫
1、首先安装一下ansible
yum install ansible
2、修改一下ansible的参数以防ssh过去的时候需要首次判断yes 或者no
sed -i 's/#host_key_checking = False/host_key_checking = False/g' /etc/ansible/ansible.cfg
3、新建一个工作目录，写一个hosts文件 用来配置hosts
[root@192 et]# cat hosts [own_host] web.ansible.bd.com
4、新建一个screen.yml文件，先比如安装一个screen，内容如下
- name: Install screen hosts: own_host tasks: - name: start install screen yum: name: screen state: installed
5、执行安装之前要做好ssh免密
ssh-keygen -t rsassh-copy-id -i ~/.ssh/id_rsa.pub 192.168.0.100
[root@web ~]# ssh-keygen -t rsa
Generating public/private rsa key pair.
Enter file in which to save the key (/root/.ssh/id_rsa):
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved in /root/.ssh/id_rsa.
Your public key has been saved in /root/.ssh/id_rsa.pub.
The key fingerprint is:
SHA256:HC81CyaFnd4u2uxEhIg6CEISxw+XN/t4hP1vxfkbohY root@web.ansible.bd.com
The key's randomart image is:
+---[RSA 2048]----+
|o+. . o.. |
|o.o.o.+oo |
|o .+..o*=.o |
|+. . o=+=.o |
|+ +Soo . . |
| . ..+.oE + |
| =.. ..o o |
| ..o .+ . o|
| .. .o ..|
+----[SHA256]-----+
[root@web ~]#
[root@web ~]# ssh-copy-id -i ~/.ssh/id_rsa.pub 192.168.0.100 /usr/bin/ssh-copy-id: INFO: Source of key(s) to be installed: "/root/.ssh/id_rsa.pub" The authenticity of host '192.168.0.100 (192.168.0.100)' can't be established. ECDSA key fingerprint is SHA256:bqCO0nWIDL1xZsor1O5E819ZLoV2aE+TDOmiKNBM+sQ. ECDSA key fingerprint is MD5:21:18:a5:32:7f:9e:0e:48:41:d7:86:21:2a:36:8a:ee. Are you sure you want to continue connecting (yes/no)? yes /usr/bin/ssh-copy-id: INFO: attempting to log in with the new key(s), to filter out any that are already installed /usr/bin/ssh-copy-id: INFO: 1 key(s) remain to be installed -- if you are prompted now it is to install the new keys root@192.168.0.100's password: Number of key(s) added: 1 Now try logging into the machine, with: "ssh '192.168.0.100'" and check to make sure that only the key(s) you wanted were added. [root@web ~]#
6、执行批量安装
ansible-playbook -i /opt/et/hosts /opt/et/screen.yml
[root@web ~]# ansible-playbook -i /opt/et/hosts /opt/et/screen.yml PLAY [Install screen] ********************************************************************************************************************************************************************* TASK [Gathering Facts] ******************************************************************************************************************************************************************** ok: [web.ansible.bd.com] TASK [start install screen] *************************************************************************************************************************************************************** changed: [web.ansible.bd.com] PLAY RECAP ******************************************************************************************************************************************************************************** web.ansible.bd.com : ok=2 changed=1 unreachable=0 failed=0 skipped=0 rescued=0 ignored=0 [root@web ~]#