OK, I found the answer (yay RTFM!) in
http://docs.ansible.com/playbooks_variables.html#other-useful-filters
Working play is:
- name: RHELFAM | Restrict SSH on Docker hosts to specific group members
lineinfile: dest=/etc/ssh/sshd_config
state=present
regexp='^AllowGroups'
line='AllowGroups {{ ssh_allowed_groups | join(" ") }}'
backup=yes
validate='sshd -t -f %s'
when: ssh_allowed_groups is defined
notify:
- restart sshd
tags: limitsshusers
Variable filters FTW!
Thanks all,
W.
On Tuesday, November 4, 2014 4:33:37 PM UTC-5, Willard Dennis wrote:
>
> Thanks, Tomasz, for the explanation -- wasn't aware that the 'lineinfile'
> module couldn't accept list input.
>
> Now, my question is: how to take a YAML list (such as the groups list in
> my vars file), form a string of the format of "group1 group2", and use that
> in lineinfile?
>
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