On 24.05.2018 09:33, Balaji wrote:
Hello All,
Please help or suggest how I can solve this problem.
I will pass
-e group="1" when calling playbook.
*Playbook* - file.yml
hosts: servers_{{group}}
This will give you servers_1, but your host is servers_grp1, typo?
- task:
.
*inventory*
[servers_grp1]
server1
[servers_grp2]
server2
[mainservers_1:children]
[servers_grp1]
[servers_grp2]
[servers_grp3]
[servers_grp4]
[mainservers_2:children]
[servers_grp5]
[servers_grp6]
[servers_grp7]
[servers_grp8]
In Jinja2 template file, I am trying to assign a value to variable
"pod_num". But I am unable to get this
If (servers_grp1) is in mainservers_1
then
pod_num = 2
else
pod_num = 4
I tried a couple of things but did not work out.
{% if hosts is in groups[mainservers_1]
{% set pod_num = 2 %}
{% else %}
{% set pod_num = 4 %}
This work great, but the variable is only available in the template, not
outside of it.
You'll see it work by this code
{% if hosts is in groups[mainservers_1]
{% set pod_num = 2 %}
{% else %}
{% set pod_num = 4 %}
{{ pod_num }}
If you need the variable in the scope of Ansible global you should check
out group_vars.
Create a file group_vars/servers_grp1.yml and
group_vars/servers_grp1.yml with the appropriate and variables with
values.
--
Kai Stian Olstad
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