jinja2的使用
#shell脚本的循环
[root@m01 ~]# vim xh.sh
#!/bin/bash
for i in `seq 10`
do
echo $i
done
#Jinja2的循环表达式
{% for i in range(10) %}
echo $i
{% endfor %}
#shell脚本的判断
[root@m01 ~]# vim pd.sh
#!/bin/bash
age=$1
if [ $age -lt 18 ];then
echo "小姐姐"
else
echo "大妈"
fi
#Jinja2的条件判断
{% if EXPR %}
{% elif EXPR %}
{% else %}
{% endif %}
#注释
{# COMMENT #}
[root@m01 ~]# vim conf/keepalived.j2 global_defs { router_id {{ ansible_fqdn }} } vrrp_instance VI_1 { {% if ansible_fqdn == "lb01" %} state MASTER priority 100 {% else %} state BACKUP priority 90 {% endif %} interface eth0 virtual_router_id 50 advert_int 1 authentication { auth_type PASS auth_pass 1111 } virtual_ipaddress { 10.0.0.3 } }
本文来自博客园,作者:六月OvO,转载请注明原文链接:https://www.cnblogs.com/chenlifan/p/13777488.html