Yes, I'm afraid we indeed are still in a transition process...
But you did help a lot: I didn't think straight and did not try to run the
same playbook on one of our future servers, running 2.14.3.
However, it did not like the map solution.
msg: "{{ cacti_query.query_result | map(attribute='hostname') }}"
Is giving me:
"The task includes an option with an undefined variable. The error was:
list object has no element AnsibleUndefined(hint=None, obj=missing,
name='hostname').
Could you give one last insight about that?
(I have no intention to drag this out for longer and keep bothering our
list with something that I understand is simple but I don't have yet the
knowledge to solve.)
Regards,
Alex
On Thu, Jul 20, 2023 at 11:17 AM Todd Lewis <[email protected]> wrote:
> 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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>>> .
>>>
>>
>>
>> --
>>
>>
>>
>> [image: Edmonton_sig_RGB_S.jpg]
>>
>> Alex Wanderley
>>
>> Application and Infrastructure Analyst II
>> Acting Team Lead Server Solutions & Automation
>>
>> Financial and Corporate Services | Open City and Technology
>>
>>
>>
>> 780-496-4156 <(780)%20496-4156> Office
>>
>> 780-819-0273 <(780)%20819-0273> Mobile
>>
>>
>>
>> City of Edmonton
>>
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>>
>> 9803 102A Avenue NW
>>
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>>
>>
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[image: Edmonton_sig_RGB_S.jpg]
Alex Wanderley
Application and Infrastructure Analyst II
Acting Team Lead Server Solutions & Automation
Financial and Corporate Services | Open City and Technology
780-496-4156 Office
780-819-0273 Mobile
City of Edmonton
Century Place, 19th Floor
9803 102A Avenue NW
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All information contained in this email post is proprietary to the City of
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