I should have mentioned I have inventory = inventories/uat defined in my
ansible.cfg or I'm running the playbook with -i inventories/uat (or both)
On Tuesday, 12 December 2017 13:33:27 UTC+11, Jason S wrote:
>
> Hi Brian,
> I got that via trial and error
> I'm using ansible 2.4.2.0
>
> In my case I have an inventory setup like this
> inventories/uat/hosts
> inventories/uat/host_vars/stable-1
> inventories/uat/host_vars/stable-2
> inventories/uat/group_vars/stable
>
> in inventories/uat/hosts
> [stable]
> stable-1
> stable-2
>
> [stable:vars]
> stable-1 http_port=80 maxRequestsPerChild=808
> stable-2 http_port=303 maxRequestsPerChild=909
>
> If I run a simply play-book like this
>
> ---
>
> - hosts: stable-1
> connection: ssh
> gather_facts: no
> tasks:
> - name: Debug http_port
> debug:
> var: hostvars[inventory_hostname]['http_port']
> - name: Debug http_port
> debug:
> var: hostvars[inventory_hostname][inventory_hostname + '
> http_port']
> - name: Debug maxRequestsPerChild
> debug:
> var: hostvars[inventory_hostname]['maxRequestsPerChild']
>
> I get
> stable-1 | SUCCESS => {
> "changed": false,
> "hostvars[inventory_hostname]['http_port']": "VARIABLE IS NOT DEFINED!"
> }
> stable-1 | SUCCESS => {
> "changed": false,
> "hostvars[inventory_hostname][inventory_hostname + ' http_port']": "80
> maxRequestsPerChild=808"
> }
> stable-1 | SUCCESS => {
> "changed": false,
> "hostvars[inventory_hostname]['maxRequestsPerChild']": "VARIABLE IS
> NOT DEFINED!"
> }
>
>
> If I define the host variables in inventories/uat/host_vars/stable-1 then
> it works as expected (i.e variable values available via
> hostvars[inventory_hostname]['http_port']
> )
>
>
>
> On Tuesday, 12 December 2017 12:57:43 UTC+11, Brian Coca wrote:
>>
>> I'm not sure where you got `hostvars[inventory_hostname]['{{
>> inventory_hostname }} http_port']` but that does not look like a valid
>> construct
>>
>> In any case, using:
>> hostvars[inventory_hostname]['http_port']
>> hostvars[inventory_hostname]['maxRequestsPerChild']
>>
>> you should be able to access the vars no matter if defined inline in
>> the inventory or in a host/group-vars file,
>> but just use `http_port` and `maxRequestsPerChild` directly, you
>> really only need hostvars when accessing other hosts or trying to
>> compose variable names.
>>
>> --
>> ----------
>> Brian Coca
>>
>
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