我一直在做一个创建虚拟服务器的剧本,并通过向用户询问一些问题来收集配置要求来完成这项工作。
我想运行一些预检查,以显示某些虚拟服务器属性存在,我已经能够计算出除配置文件之外的所有属性。
当您运行"list ltm profile“时,您需要指定协议,然后指定配置文件名称,例如,"list ltm profile tcp”。检查一个LTM配置文件是很好的,但我遇到的困难是当您需要检查多个配置文件时。
有没有一种方法可以循环我的问题,并将用户的输入传递给检查?假设用户想要检查以下配置文件:
list ltm profile http http
list ltm profile tcp tcp下面是提出的问题:
- name: "vs_profile_type"
prompt: "enter the profile(s) to run your pre-checks against"
private: no 这是我为这部剧的预检部分准备的:
- name: Pre-check
bigip_command:
server: "{{ inventory_hostname }}"
user: "{{ remote_username }}"
password: "{{ remote_passwd }}"
commands:
- "tmsh list sys global-settings hostname"
- "tmsh show sys failover"
- "tmsh show cm sync-status"
- "tmsh list ltm virtual {{ vs_name }}"
- "tmsh list ltm profile {{ vs_profile_type }}"
- "tmsh list ltm pool {{ vs_pool }}"
- "tmsh list ltm rule {{ vs_rule }}"
warn: no
validate_certs: no
delegate_to: localhost
when: "'active' in Active_LTM['stdout'][0]"
register: Active_LTM_Pre_Checks 我也在考虑用户可能不想要配置文件的事实,所以如果他们按enter,我需要跳过"list ltm profile xxx xxx“检查。在另一篇文章中,我得到了一些帮助,但在为这个实例重新编写语法时,我似乎无法让它工作;你知道下面的语法可能有什么问题吗?
"tmsh list ltm profile {{ '{' + vs_profile_type + '}' if vs_profile_type else '' }} {{ '{' + vs_profile + '}' if vs_profile else '' }}"发布于 2018-09-01 00:01:38
我们通过这种方式来解决这个问题。
向用户提出的问题:
- name: "vs_profile_type"
prompt: "enter the profile to run your pre-checks against [Enter in the following format: tcp tcp, http http]"
private: no我们最终在一个单独的任务中对配置文件运行了这个检查:
- name: Profile_Pre-check
bigip_command:
server: "{{ inventory_hostname }}"
user: "{{ remote_username }}"
password: "{{ remote_passwd }}"
commands:
- "tmsh list ltm profile {{ item }}"
validate_certs: no
delegate_to: localhost
with_items:
- "{{ vs_profile_type.split(',') }}"
when: "'active' in Active_LTM['stdout'][0]"
register: Active_LTM_Pre_Checks下面是完成该检查/任务的过程:
- name: "vs_profile_type"
prompt: "enter the profile to run your pre-checks against [Enter in the following format: tcp tcp, http http]"
private: no
bigip_command:
server: "{{ inventory_hostname }}"
user: "{{ remote_username }}"
password: "{{ remote_passwd }}"
commands:
tasks:
- name : Checking which LTM is active....
bigip_command:
server: "{{ inventory_hostname }}"
user: "{{ remote_username }}"
password: "{{ remote_passwd }}"
commands:
- "tmsh show sys failover"
validate_certs: no
delegate_to: localhost
register: Active_LTM
- name: The active LTMs management IP is....
block:
- debug:
var: Active_LTM.stdout[0]
- name: Profile_Pre-check
bigip_command:
server: "{{ inventory_hostname }}"
user: "{{ remote_username }}"
password: "{{ remote_passwd }}"
commands:
- "tmsh list ltm profile {{ item }}"
validate_certs: no
delegate_to: localhost
with_items:
- "{{ vs_profile_type.split(',') }}"
when: "'active' in Active_LTM['stdout'][0]"
register: Active_LTM_Pre_Checks
- name: Please verify the profile pre-checks are correct
debug:
var: Active_LTM_Pre_Checks.stdout_lineshttps://stackoverflow.com/questions/52115395
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