ansible 列表变量、字典变量
ansible的变量不仅可以是单个的值,也可以为列表。- hosts: localhost gather_facts: no
vars:
- list:
tasks:
- name: echo
debug: msg="{{ list }}"
输出为:
TASK ********************************************************************
ok: => {
"msg": [
1,
2,
3
]
}
结合循环
结合循环,这个特性就变得很有用;以参数传递列表给playbook,不用在playbook中固定循环的次数与内容。
- hosts: localhost gather_facts: no
vars:
- list:
tasks:
- name: loop
debug: msg="{{ item }}"
with_items: '{{list}}'
输出为:
TASK ********************************************************************
ok: => (item=1) => {
"item": 1,
"msg": 1
}
ok: => (item=2) => {
"item": 2,
"msg": 2
}
ok: => (item=3) => {
"item": 3,
"msg": 3
}
字典变量
变量也可以为字典:
- hosts: localhost gather_facts: no
vars:
- lists:
list1:
list2:
tasks:
- name: loop
debug: msg="{{ item }}"
with_items: '{{lists["list1"]}}'
TASK ********************************************************************
ok: => (item=1) => {
"item": 1,
"msg": 1
}
ok: => (item=2) => {
"item": 2,
"msg": 2
}
ok: => (item=3) => {
"item": 3,
"msg": 3
}
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