That's twice this morning a working solution was inapplicable b/c someone
was still running Ansible 2.9. I know people don't always get to pick the
version of whatever software they have to use because of factors beyond
their control. We were stuck on 2.9 far longer than we would have liked.
However, if it's at all possible, IMO, any time spent trying to make stuff
work under 2.9 *rather than moving to a later version* is time seriously
wasted. There have been so very many improvements.
Adding "| list" as you did should have been enough, though. It makes me
wonder what was in your registered result on that particular run.
Sorry I can't offer any actionable suggestions. Good luck,
--
Todd
On Thursday, July 20, 2023 at 12:43:50 PM UTC-4 Alex Wanderley wrote:
> Hi Todd,
>
> Thanks for helping...
>
> {{ cacti_query.query_result | map(attribute='hostname') }}
> Gave me the output:
> "msg": "<generator object do_map at 0x7fe0c4e9f2b0>"
>
> Looking around I found that {{ cacti_query.query_result |
> map(attribute='hostname') | list }} would be the solution for the message
> above, but instead I got:
> "msg": "[AnsibleUndefined]"
>
> Would that possibly be caused by Ansible/Python versions?
> We have Ansible 2.9.7 and Python 3.6.8.
>
> Regards,
>
> Alex
>
> On Thu, Jul 20, 2023 at 9:52 AM Todd Lewis <[email protected]> wrote:
>
>> {{ cacti_query.query_result | map(attribute='hostname') }}
>>
>>
>> On 7/20/23 11:42 AM, Alex Wanderley wrote:
>>
>> Hello,
>>
>> I need to collect some hostnames from a MariaDB database but don't know
>> exactly how to properly parse the result of my query... Could somebody help?
>>
>> This how the tasks look like:
>>
>> - name: Collect devices in down state
>> community.mysql.mysql_query:
>> login_db: cacti
>> query: SELECT hostname FROM host WHERE status=1
>> login_unix_socket: /run/mysqld/mysqld.sock
>> register: cacti_query
>>
>> - name: print query result
>> debug:
>> msg: "{{ cacti_query.query_result }}"
>>
>> And this is the output:
>>
>> ok: [xxxxxxxxx] => {
>> "msg": [
>> [
>> {
>> "hostname": "host_A"
>> },
>> {
>> "hostname": "host_B"
>> },
>> {
>> "hostname": "host_C"
>> },
>> {
>> "hostname": "host_D"
>> }
>> ]
>> ]
>> }
>>
>> How could I create a list with just the actual host names "host_A host_
>> *B * host_C host_D" to be used/referenced in a loop further down my
>> playbook?
>>
>> Thanks a lot,
>>
>> Alex
>>
>>
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>>
>
>
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