Apologies, the empty list outcomes are when I have left a vhosts : []
knocking about somewhere. The error is in fact the same in all cases:
"recursive loop detected in template string"
On Friday, May 16, 2014 5:41:25 PM UTC+1, Martin Devlin wrote:
>
> OK, thanks for persevering with this! So in group_vars I have lists like
> this:
>
> ext_vhosts:
>
> - name : site1
> hostname : "{{ site1_hostname }}"
> ipaddress : "{{ site1_ip_address }}"
> ssl_cn : "{{ site1_ssl_hostname }}"
> ssl_key : site1.key
> ssl_crt : site1.crt
> ssl_pem : site1.pem
> apache_dir : site1
> conf_file : site1.conf
>
> - name : site2
> hostname : "{{ site2_hostname }}"
> ipaddress : "{{ site2_ip_address }}"
> ssl_cn : "{{ site2_ssl_hostname }}"
> ssl_key : site2.key
> ssl_crt : site2.crt
> ssl_pem : site2.pem
> apache_dir : site2d
> conf_file : site2d.conf
>
> int_vhosts:
>
> - name : site3
> hostname : "{{ site3_hostname }}"
> ipaddress : "{{ site3_ip_address }}"
> ssl_cn : "{{ site3_ssl_hostname }}"
> ssl_key : site3.key
> ssl_crt : site3.crt
> ssl_pem : site3.pem
> apache_dir : site3
> conf_file : site3.conf
>
> - name : site4
> hostname : "{{ site4_hostname }}"
> ipaddress : "{{ site4_ip_address }}"
> ssl_cn : "{{ site4_ssl_hostname }}"
> ssl_key : site4.key
> ssl_crt : site4.crt
> ssl_pem : site4.pem
> apache_dir : site4d
> conf_file : site4d.conf
>
> etc...
>
> I can use ext_vhosts and int_vhosts just fine, I just can't join them
> together.
>
> The test case is as simple as:
>
> debug : msg="{{ vhosts }}"
>
> So this in the <role>/defaults/main.yml:
>
> vhosts : []
> vhosts : "{{ vhosts|union(ext_vhosts)|union(int_vhosts) }}
>
> Yields an empty list
>
> vhosts : "{{ vhosts|union(ext_vhosts) }}"
> vhosts : "{{ vhosts|union(int_vhosts) }}""
>
> Yields an empty list
>
> In both cases debug : msg="{{ ext_vhosts }}" shows the expected values.
>
> If I put the same structures in vars/main.yml I get "an unexpected type
> error occured. Error was unhashable type: 'dict'"
>
> If I put the union statements in the respective group_vars files I get
> "recursive loop detected in template string {{vhosts|union(ext_vhosts)}}"
>
> I hope it's just a case of putting them in a different file or that
> there's just a bit of missing syntax somewhere.
>
>>
>> On Thu, May 15, 2014 at 5:56 PM, Martin Devlin <[email protected]> wrote:
>>
>>> I tried this but couldn't get this to work in variables files. I think
>>> union is only available in templates.
>>>
>>> Serge van Ginderachter's suggestion is the only one I've tried that
>>> meets my requirement and it's not ideal as he admits himself.
>>>
>>> I thought stacking variables like this would make sense; I can see quite
>>> a few uses for it in a hierarchical inventory structure, but the fact that
>>> no one has requested it as a feature suggests to me I'm approaching
>>> group_vars in the wrong way; I'm coming to it from using hiera in puppet.
>>>
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>>
>>
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