Using Ansible authorized_key, how can I copy the keys from all hosts in a group?

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1

I’m trying to use Ansible to copy keys from multiple hosts to a remote host user’s authorized_key file. In my inventory, I have a collectors group and receiver group, as follows:

[collectors]
c1
c2
c3

[receiver]
r1

I want to copy the ssh key from each host in the collectors group to the authorized_key file of user1 in the receiver group. I know I should user the authorized_key module, but I’m stuck on how to generate the “key” directive so it contains all the keys from the collectors group.

- hosts: receiver
  tasks:
    - name: copy collectors group keys to authorized_keys file
      authorized_key:
      user: user1
      key: ????? (not sure what to use here)
      exclusive: yes

I’m looking for some help to properly set the “key” value, or if there is some completely different and better way to accomplish my goal, please share. Thanks!

2

You need use fetch/slurp on each host, then once you have all the keys
you can pass them to authorized_keys.