Below regex is working perfectly for my requirement. Thanks a lot, Dick for
your help.
- set_fact:
ip_list: "{{ ip_addr.split() | ipaddr }}"
- debug: var=ip_list
- set_fact:
host_list: "{{ ip_addr.split() | select('match','^([a-zA-Z].*)')
| list }}"
- debug: var=host_list
On Tuesday, 25 June 2019 00:14:02 UTC+5:30, Dick Visser wrote:
>
> On Sun, 23 Jun 2019 at 20:08, Pandu jh <jhp...@gmail.com <javascript:>>
> wrote:
> >
> > The error is
> >
> > TASK [set_fact]
> *****************************************************************************************************
>
>
> > fatal: [lab1]: FAILED! => {"msg": "Unexpected templating type error
> occurred on ({{ ip_addr.split(\n) | regex_search('^[a-z].*') }}):
> expected string or buffer"}
>
> You didn't quote the newline.
> But, you don't really need that as the default is to split by white space.
>
> For the literal IPv4 address it's indeed easy, as you can just use the
> ipaddr filter.
> For the hostname you can use the select() test, in combination with
> some regular expression that needs to match.
> Depending on how formal/exact you want to define "a hostname", the
> regex can simple or really complex.
> A simple example:
>
> tasks:
> - set_fact:
> ip_list: "{{ ip_addr.split() | ipaddr }}"
> - debug: var=ip_list
> - set_fact:
> host_list: "{{ ip_addr.split() | select('match',
> '^([a-zA-Z]+(-[a-zA-Z]+)*\\.)+[a-zA-Z]{2,}$') | list }}"
> - debug: var=host_list
>
>
>
> This should give you some results.
>
>
> Dick
>
>
>
> --
> Dick Visser
> Trust & Identity Service Operations Manager
> GÉANT
>
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