题目
作业： 1、将hosts信息部署到web服务器的index.html文件中，访问web服务器时显示如下信息：
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
192.168.168.140 centos78master
192.168.168.21 node01
192.168.168.22 node02
答案
[admin@centos7_server ~]$ cat index.html.j2
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
{% for host in groups.all %}
{
{ hostvars[host].ansible_facts.default_ipv4.address }} {
{ hostvars[host].ansible_facts.hostname }}
{% endfor %}
[admin@centos7_server ~]$ cat test7.yml
---
- hosts: all
tasks:
- template:
src: index.html.j2
dest: /var/www/html/index.html
- service:
name: httpd
state: started
- service:
name: firewalld
state: stopped
[admin@centos7_server ~]$ ansible-playbook test7.yml
PLAY [all] ********************************************************************************************************
TASK [Gathering Facts] ********************************************************************************************
ok: [node1]
ok: [node2]
TASK [template] ***************************************************************************************************
changed: [node2]
changed: [node1]
TASK [service] ****************************************************************************************************
ok: [node2]
ok: [node1]
TASK [service] ****************************************************************************************************
changed: [node2]
changed: [node1]
PLAY RECAP ********************************************************************************************************
node1 : ok=4 changed=2 unreachable=0 failed=0 skipped=0 rescued=0 ignored=0
node2 : ok=4 changed=2 unreachable=0 failed=0 skipped=0 rescued=0 ignored=0
