ansible 学习笔记5

说明:
传参数学完了，接下来便是循环语句了，跟学各种程式语言类似

ansible 单循环语句:

- hosts: web5  name: play-test  vars:    test:      - test1      - test2      - test3        - test4    tasks:   - name: debug test    debug:      msg: "{{ item }}" #item 是关键字     with_items: "{{ test }}"   #with_items 单循环 

单循环跑出来如下:

joulong@joulong1:~/playbook$ ansible-playbook playbook4.yml -i inventory.iniPLAY [play-test] *********************************************************************************************************************************************************************************************TASK [Gathering Facts] ***************************************************************************************************************************************************************************************ok: [joulong2]ok: [joulong3]TASK [debug test] ********************************************************************************************************************************************************************************************ok: [joulong2] => (item=test1) => {    "msg": "test1"}ok: [joulong2] => (item=test2) => {    "msg": "test2"}ok: [joulong2] => (item=test3) => {    "msg": "test3"}ok: [joulong2] => (item=test4) => {    "msg": "test4"}ok: [joulong3] => (item=test1) => {    "msg": "test1"}ok: [joulong3] => (item=test2) => {    "msg": "test2"}ok: [joulong3] => (item=test3) => {    "msg": "test3"}ok: [joulong3] => (item=test4) => {    "msg": "test4"}

ansible 多循环语句:

- hosts: web5  name: play-test  vars:    test:      - test1      - test2      - test3        - test4    demo:      - demo1       - demo2       - demo3 - name: debug test  debug:#   msg: "{{item}}"        #单循环       msg: "{{ item[0] }},{{ item[1] }}" #多循环# with_items: "{{ test }}" #单循环    with_nested:             #多循环    - "{{test}}"    - "{{demo}}"

多循环跑出来如下:

joulong@joulong1:~/playbook$ ansible-playbook playbook4.yml -i inventory.iniPLAY [play-test] *********************************************************************************************************************************************************************************************TASK [Gathering Facts] ***************************************************************************************************************************************************************************************ok: [joulong2]ok: [joulong3]TASK [debug test] ********************************************************************************************************************************************************************************************ok: [joulong2] => (item=['test1', 'demo1']) => {    "msg": "test1,demo1"}ok: [joulong2] => (item=['test1', 'demo2']) => {    "msg": "test1,demo2"}ok: [joulong3] => (item=['test1', 'demo1']) => {    "msg": "test1,demo1"}ok: [joulong3] => (item=['test1', 'demo2']) => {    "msg": "test1,demo2"}ok: [joulong2] => (item=['test1', 'demo3']) => {    "msg": "test1,demo3"}ok: [joulong3] => (item=['test1', 'demo3']) => {    "msg": "test1,demo3"}ok: [joulong2] => (item=['test2', 'demo1']) => {    "msg": "test2,demo1"}ok: [joulong3] => (item=['test2', 'demo1']) => {    "msg": "test2,demo1"}ok: [joulong2] => (item=['test2', 'demo2']) => {    "msg": "test2,demo2"}ok: [joulong3] => (item=['test2', 'demo2']) => {    "msg": "test2,demo2"}ok: [joulong2] => (item=['test2', 'demo3']) => {    "msg": "test2,demo3"}ok: [joulong3] => (item=['test2', 'demo3']) => {    "msg": "test2,demo3"}ok: [joulong2] => (item=['test3', 'demo1']) => {    "msg": "test3,demo1"}ok: [joulong3] => (item=['test3', 'demo1']) => {    "msg": "test3,demo1"}ok: [joulong2] => (item=['test3', 'demo2']) => {    "msg": "test3,demo2"}ok: [joulong3] => (item=['test3', 'demo2']) => {    "msg": "test3,demo2"}ok: [joulong2] => (item=['test3', 'demo3']) => {    "msg": "test3,demo3"}ok: [joulong3] => (item=['test3', 'demo3']) => {    "msg": "test3,demo3"}ok: [joulong2] => (item=['test4', 'demo1']) => {    "msg": "test4,demo1"}ok: [joulong3] => (item=['test4', 'demo1']) => {    "msg": "test4,demo1"}ok: [joulong2] => (item=['test4', 'demo2']) => {    "msg": "test4,demo2"}ok: [joulong3] => (item=['test4', 'demo2']) => {    "msg": "test4,demo2"}ok: [joulong2] => (item=['test4', 'demo3']) => {    "msg": "test4,demo3"}ok: [joulong3] => (item=['test4', 'demo3']) => {    "msg": "test4,demo3"}