Kai Stian Olstad, thank you! You are right, that worked.
I tried my previous one at https://regex101.com/ and selected Python, but I
guess it isn't 100% the same. I will have to keep that in mind.
On Thursday, September 21, 2017 at 11:53:37 PM UTC-6, Kai Stian Olstad
wrote:
>
> On 22. sep. 2017 01:08, John Harmon wrote:
> > This works under a regexp tester, but fails under ansible. I don't know
> > how to correct it.
>
> You need to use a Python based one, since Ansible is using Python re.
>
>
> > Basically, it finds the lines starting with passwd or group, looks in
> the
> > lines for sss, and appends if it isn't found.
> >
> > - name: Update nsswitch.conf
> > replace:
> > path: /etc/nsswitch.conf
> > regexp: "{{item.regexp}}"
> > replace: "{{item.replace}}"
> > with_items:
> > - {regexp: '^(?:passwd):\s+(?:(?!sss).)+$', replace: '\0 sss'}
> > - {regexp: '^(?:group):\s+(?:(?!sss).)+$', replace: '\0 sss'}
>
> \0 is interpreted as octal in Python re.
>
> Try this instead
>
> - {regexp: '(^(?:passwd):\s+(?:(?!sss).)+$)', replace: '\1 sss'}
> - {regexp: '(^(?:group):\s+(?:(?!sss).)+$)', replace: '\1 sss'}
>
> I added a parenthesis around the whole expression and references that as
> \1
>
>
> --
> Kai Stian Olstad
>
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