Help with lineinfile and backrefs (v1.1)

[Ian Dexter Marquez]

Hi,

I can't seem to make this work from the command line:

ansible -m lineinfile -a "dest=/etc/ssh/sshd_config backup=yes backrefs=yes regexp='^(AllowGroups .*)$' line='\\1 groupname'" -vvv -s -K local

which replaces the whole "AllowGroups .*" line with " wheel". 

The playbook entry works fine, though:

lineinfile dest=/etc/ssh/sshd_config backup=yes backrefs=yes regexp="^(AllowGroups .*)$" line="\\1 $groupname"

I'm most likely escaping it wrong? Any pointers will be greatly appreciated. Thanks.

- Ian

[Michael DeHaan]

I'm only skimming this, but 

.* 

is a greedy expression so you will want to terminate it with something?

I'm also not sure what you think "$groupname" is but it's not something Ansible gives you.

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[Andreas Piesk]

On 17.05.2013 03:31, Ian Dexter Marquez wrote:
>
> I can't seem to make this work from the command line:
>
> ansible -m lineinfile -a "dest=/etc/ssh/sshd_config backup=yes
> backrefs=yes regexp='^(AllowGroups .*)$' line='\\1 groupname'" -vvv
> -s -K local

switch the quotes. quote the argument string with single quotes to keep
the shell from messing with it:

ansible -m lineinfile -a 'dest=/etc/ssh/sshd_config backup=yes

backrefs=yes regexp="^(AllowGroups .*)$" line="\\1 $groupname"' -vvv -s
-K local


regards,
-ap

[Philippe Eveque]

And this is not idempotent as it append the contents of the $groupname to the AllowGroups declaration

Not necessarely what you want

 

Phil

2013/5/17 Andreas Piesk <a.p...@gmx.net>

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[Ian Dexter R. Marquez]

On Sat, May 18, 2013 at 2:29 AM, Andreas Piesk <a.p...@gmx.net> wrote:

> switch the quotes. quote the argument string with single quotes to keep the
> shell from messing with it:
>
> ansible -m lineinfile -a 'dest=/etc/ssh/sshd_config backup=yes backrefs=yes
> regexp="^(AllowGroups .*)$" line="\\1 $groupname"' -vvv -s -K local
>
>
> regards,
> -ap

It worked! Thanks.

Admittedly, this is an off-band change to the standard sshd_config
file -- necessary for those one-off tasks to provide temporary SSH
access to certain groups. ("$groupname" is just a placeholder I used;
it will be replaced by the actual group name when invoked. Sorry for
the misunderstanding.)

Thanks again, all!

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Ian Dexter R. Marquez
http://iandexter.com