在 Ansible 中，如何在使用过滤器的变量定义中使用变量 [英] In Ansible, how to use a variable inside a variable definition that uses filters

问题描述

我想从 URL 中提取一些正则表达式匹配项.我能做到这一点的唯一方法是:

I want to extract a few regex matches out of a URL. The only way I could do this was following:

  - name: Set regex pattern for github URL
    set_fact: pattern="^(git\@github\.com\:|https?\:\/\/github.com\/)(.*)\/([^\.]+)(\.git)?$"

  - name: Extract organization name
    set_fact: project_repo="{{ deploy_fork | regex_replace( "^(git\@github\.com\:|https?\:\/\/github.com\/)(.*)\/([^\.]+)(\.git)?$", "\\3" ) }}"
    when: deploy_fork | match( "{{ pattern }}" )

通过这种方法，我可以在 match 过滤器中重用变量 pattern，但不能在我的 set_fact 行上重用将提取的文本分配给另一个变量.有没有办法重用 set_fact 中使用 filter(s) 的变量?

With this approach, I'm able to reuse the variable pattern in the match filter, but not on the set_fact line where I assign the extracted text to another variable. Is there any way to reuse the variable in set_fact that uses filter(s) ?

推荐答案

您应该能够直接引用定义的变量.尝试这个;它对我有用:

You should just be able to reference the defined variables directly. Try this; it worked for me:

- name: Set regex pattern for github URL
  set_fact: pattern="^(git\@github\.com\:|https?\:\/\/github.com\/)(.*)\/([^\.]+)(\.git)?$"
- name: Extract organization name
  set_fact: project_repo="{{ deploy_fork | regex_replace(pattern, "\\3" ) }}"
  when: deploy_fork | match(pattern)

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