Thanks Kai and Steve for your different approaches to the issue.
So Steve, you have mentioned in the last line *"If you just want to change
the ip of the server, you can just use a variable in the template*
*server {{ ntp_server }} iburst"-- > *you mean that to have a single
template file and in the group_vars (say /etc/ansible/group_vars/group1.yml
) have a variable
as ntp_server : 2.2.2.1 and for (/etc/ansible/group_vars/group2.yml) have
a variable as ntp_server: 1.2.1.3 . and have a single template file which
has the variable as
server {{ ntp_server}} iburst etc and it take it from there.. is that what
you mean.
On Fri, Jan 18, 2019 at 11:33 PM Stephen Granger <[email protected]> wrote:
> Why not have a variable ntp_template and just set the group_var for each
> group to be the template required.
>
> Have two template files ntp1.j2 and ntp2.j2. (This a poor naming scheme,
> you should name it related to the group)
>
> [group1]
> testops1 db-client1
>
> [group2]
> testops1 other-client
> testops2 other-client
> testops3 other-client
> testops4 other-client
>
> [group1:vars]
> ntp_template: ntp1.j2
>
> [group2:vars]
> ntp_template: ntp2.j2
>
>
> The play would look like this
>
> - name:
> template:
> src: "{{ ntp_template }}"
> dest: /etc/ntp.conf
> notify: restart ntp
>
> If you just want to change the ip of the server, you can just use a
> variable in the template
>
> server {{ ntp_server }} iburst
>
> I find it better to limit conditionals(when) and better to rely on
> different groups_vars or different inventories(/group_vars). It make it
> much more readable and enables your code to be more flexible, re-usable.
>
> On Fri, 18 Jan 2019 at 08:03, Kai Stian Olstad <
> [email protected]> wrote:
>
>> On Friday, 18 January 2019 07:36:41 CET coach rhca wrote:
>> > Hi,
>> >
>> > I have created a role for the ntp with the ntp.j2 and ntp1.j2 templates
>> in
>> > templates diretory .
>> >
>> > with ntp.j2 consisting of
>> >
>> > server 2.2.2.1 iburst
>> >
>> > and with tp.
>> > ntp1.j2 consist of
>> >
>> > server 1.2.1.3 iburst
>> >
>> >
>> > In the task under the
>> >
>> > - name:
>> > template:
>> > src: ntp.conf.j2
>> > dest: /etc/ntp.conf
>> > notify: restart ntp
>> >
>> > I want to use the template for different hosts if the hosts are say
>> test1
>> > testops1 db-client1 ans 10 others etc .apply ntp.j2 and if the hosts
>> are
>> > dev1 devops1 db-devclien1 app-devclient2 and others .. how do we use
>> the
>> > when clause to achieve this . this hosts are randomly mentioned in the
>> > inventory in different groups.
>>
>> You could add a group and put them like ntp_grp and ntp1_grp
>>
>> Then the when will be
>> when: inventory_hostname in group['ntp_grp']
>>
>> If you don't want to have groups then you need to list every host like so
>> when: inventory_hostname in ['test1','testops1','db-client1']
>>
>>
>>
>> --
>> Kai Stian Olstad
>>
>>
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>
>
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> Steve
>
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