multiple ssh keys in ansible

gistfile1.txt

task:

...

- name: Add authorized_key file
  authorized_key: user={{item.username}} key='{{ "\n".join(item.authkey) | string }}'
  with_items: users

...

vars:

users:
  - bob:
    username: bob
    group: group
    groups: sudo
    comment: bob-the-builder
    authkey: ['ssh-rsa AAAA... comment','ssh-rsa AAAA... comment']
  - jane:
    username: jane
    group: group
    groups: sudo
    comment: jane-doe
    authkey: ['ssh-rsa AAAA... comment']
  - john:
    username: john
    group: group
    groups: sudo
    comment: john-doe
    authkey: ['ssh-rsa AAAA...']