How to set proxy only for a particular ansible task?

Question

I want to set an environment proxy only for a particular ansible task like get_url module to download some application from internet. Other all tasks should run without any proxy. How do I achieve this task.

Answer 1

You can define an environment variable for your play and set the proxy option from get_url.

---
- hosts: all

  environment:
    http_proxy: http://127.0.0.1:1234

    # You can also set it over https.
    https_proxy: http://127.0.0.1:1234

- name: Retrieve some repo
  get_url:
    url: https://repos.com/cool.repo
    dest: /etc/yum.repos.d/cool.repo
    use_proxy: yes   

From use_proxy in the documentation:

if [use_proxy is set to] no, it will not use a proxy, even if one is defined in an environment variable on the target hosts.

So, you'll be doing the opposite in the example above.

Answer 2

You can set a proxy per task, like so:

get_url:
  url=http://remote.host.com/file
  dest=/tmp/file
environment:
  http_proxy: http://proxy.example.com:8080