Deployment 如何跳过Ansible中执行的角色
我试图为我的流浪机器编写playbook.yml,但我面临以下问题。 Ansible提示我设置这些变量,我将这些变量设置为null/false/no/[just enter],但不管怎样,角色都会被执行!如何防止这种行为?如果没有设置变量,我只想不采取任何行动Deployment 如何跳过Ansible中执行的角色,deployment,webserver,vagrant,administration,ansible,Deployment,Webserver,Vagrant,Administration,Ansible,我试图为我的流浪机器编写playbook.yml,但我面临以下问题。 Ansible提示我设置这些变量,我将这些变量设置为null/false/no/[just enter],但不管怎样,角色都会被执行!如何防止这种行为?如果没有设置变量,我只想不采取任何行动 --- - name: Deploy Webserver hosts: webservers vars_prompt: run_common: "Run common tasks?" run_wordpress:
---
- name: Deploy Webserver
hosts: webservers
vars_prompt:
run_common: "Run common tasks?"
run_wordpress: "Run Wordpress tasks?"
run_yii: "Run Yii tasks?"
run_mariadb: "Run MariaDB tasks?"
run_nginx: "Run Nginx tasks?"
run_php5: "Run PHP5 tasks?"
roles:
- { role: common, when: run_common is defined }
- { role: mariadb, when: run_mariadb is defined }
- { role: wordpress, when: run_wordpress is defined }
- { role: yii, when: run_yii is defined }
- { role: nginx, when: run_nginx is defined }
- { role: php5, when: run_php5 is defined }
我相信当您使用vars_提示符时,变量总是被定义的,所以“is defined”总是正确的。您可能想要的是以下内容:
- name: Deploy Webserver
hosts: webservers
vars_prompt:
- name: run_common
prompt: "Product release version"
default: "Y"
roles:
- { role: common, when: run_common == "Y" }
编辑:要回答您的问题,不,它不会抛出错误。我制作了一个稍有不同的版本,并使用ansible 1.4.4进行了测试:
- name: Deploy Webserver
hosts: localohst
vars_prompt:
- name: run_common
prompt: "Product release version"
default: "N"
roles:
- { role: common, when: run_common == "Y" or run_common == "y" }
和roles/common/tasks/main.yml包含:
- local_action: debug msg="Debug Message"
如果运行上面的示例并只按Enter键,接受默认值,则跳过该角色:
Product release version [N]:
PLAY [Deploy Webserver] *******************************************************
GATHERING FACTS ***************************************************************
ok: [localhost]
TASK: [common | debug msg="Debug Message"] ************************************
skipping: [localhost]
PLAY RECAP ********************************************************************
localhost : ok=1 changed=0 unreachable=0 failed=0
但如果运行此操作并在提示时输入Y或Y,则会根据需要执行角色:
Product release version [N]:y
PLAY [Deploy Webserver] *******************************************************
GATHERING FACTS ***************************************************************
ok: [localhost]
TASK: [common | debug msg="Debug Message"] ************************************
ok: [localhost] => {
"item": "",
"msg": "Debug Message"
}
PLAY RECAP ********************************************************************
localhost : ok=2 changed=0 unreachable=0 failed=0
据我所知,这个示例在run_common与“Y”不匹配时抛出错误。您测试过吗?请参阅上面我编辑的示例,其中显示了双向运行时的输出。