定义playbook的主机组说明：1、playbook的主机组和ansible的主机组不一样，2、playbook的主机组文件必须要和playbook文件在同一个目录下否则会报如下错误：[root@test1 profile]# ansible-playbook -i hosts deploy_flanneld.yaml --list-hosts [WARNING]: Unable to parse /k8s/profile/hosts as an inventory source 3、执行playbook必须要在plyaybook文件所在目录下执行，否则报错；跟带不带绝对路径没有关系，必须保证在同一个目录4、执行playbook的任何相关操作都要在plyaybook文件所在目录下执行，否则报错；跟带不带绝对路径没有关系，必须保证在同一个目录cat >/k8s/profile/hosts <
     
       /k8s/profile/deploy_nginx.yaml <
      
        /home/lmx/test_ansible/nginx.conf.j2 << EOFworker_processes {
    { worker_processes }};worker_rlimit_nofile {
    { max_open_files }};events {    worker_connections {
    { worker_connections }};}http {    server {        listen       80;        root  /usr/share/nginx/www;        index index.html index.htm default.html index.php;        server_name loclhost;        location / {            try_files $uri $uri/ =404;        }    }    }EOFcat > /home/lmx/test_ansible/index.html.j2 <
             
              
        
nginx, confitured by ansible
  
        
if you can see this, ansible successfully installed nginx.
    
        
{
   { ansible_hostname }}
  EOF开始部署:说明：必须切换到playbook所在文件目录下执行，否则报错[root@test1 ~]# cd /k8s/profile/[root@test1 profile]# ansible-playbook deploy_nginx.yaml