You can use the |default jinja2 filter to help you out:
{{ ansible_env['NGINX_HOME']|default('') }}
This will default the value to '' if NGINX_HOME does not exist in the dict.
On Thu, Sep 18, 2014 at 4:53 AM, Zhenkai Jiang <[email protected]> wrote:
> I want to do some check using remote environment variables, which can be
> read from format like this
>
> {{ ansible_env.NGINX_HOME }}
>
> This "path" or environment variable can be absent, and that's the purpose
> of that check anyway.
>
> But Ansible treat this as a fatal error, showing error message like
>
> *One or more undefined variables: 'dict object' has no attribute
> 'NGINX_HOME'*
>
> What can I do to just skip this?
>
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--
Matt Martz
[email protected]
http://sivel.net/
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