lineinfile: backrefs and jinja2 variables

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1

Hi everybody,

when I try the following in a playbook (ansible 1.6.2):

  • lineinfile:
    dest: /etc/nagios/nrpe.cfg
    backrefs: yes
    regexp: ‘^(allowed_hosts=).*$’
    line: ‘\1{{ monitoring_server }}’

where “monitoring_server=10.0.0.5”, it replaces the line “allowed_hosts=127.0.0.1” with “H.0.0.5”.
If I put any character between “\1” and “{{”, it seems to be working correctly, but I don’t want an additional character there.

Thanks and best regards,
Gregor

2

lineinfile can be tricky and most times I’d discourage usage of it in favor of the template module.

However, in this case, this feels like a bug report to me. Please be sure to file one on github.

3

However, in this case, this feels like a bug report to me. Please be sure to file one on github.

Done.
https://github.com/ansible/ansible/issues/7615