so i do a past of the play, and it failed ... ansible version 2.9 .
I dont know which kind of information you need to try to help me.
( i am not strong in ansible , it s not my work ... i try to find a
quickwin to solve an issue. but playbook in my company are not simple to
rework .. too much " personnal view " in playbooks .. )
TASK [set_fact]
***************************************************************************************************************************
fatal: [localhost]: FAILED! => {"msg": "Invalid data passed to 'loop', it
requires a list, got this instead: <generator object do_map at
0x7f8988b73120>,
<generator object do_map at 0x7f8988b73200>, <generator object do_map at
0x7f8988b73270>]. Hint: If you passed a list/dict of just one element,
try adding wantlist=True to your lookup invocation or use q/query instead
of lookup."}
PLAY RECAP
********************************************************************************************************************************
localhost : ok=0 changed=0 unreachable=0 failed=1
skipped=0 rescued=0 ignored=0
You say it s work for you ... i really not good.so ..
On Tuesday, July 12, 2022 at 11:59:52 AM UTC+2 [email protected] wrote:
> On Tue, 12 Jul 2022 02:18:57 -0700 (PDT)
> Softmax23 <[email protected]> wrote:
>
> For example, the playbook below
>
> shell> cat pb.yml
> - hosts: localhost
> vars:
> servers:
> srv01: a
> srv02: a
> srv03: a
> srv04: b
> srv05: b
> srv06: b
> srv07: c
> srv08: c
> srv09: c
> arr: "{{ servers|dict2items|
> groupby('value')|
> map(attribute=1)|
> map('map', attribute='key')|
> list }}"
> list_of_servers: "{{ tarr|flatten }}"
> tasks:
> - set_fact:
> tarr: "{{ tarr|d(arr.0)|zip(item)|map('flatten') }}"
> loop: "{{ arr[1:] }}"
> - debug:
> var: list_of_servers[:5]|to_yaml
>
> 1) Creates the matrix
>
> arr:
> - [srv01, srv02, srv03]
> - [srv04, srv05, srv06]
> - [srv07, srv08, srv09]
>
> 2) Transpose the matrix
>
> tarr:
> - [srv01, srv04, srv07]
> - [srv02, srv05, srv08]
> - [srv03, srv06, srv09]
>
> 3) Get the slice
>
> list_of_servers[:5]: [srv01, srv04, srv07, srv02, srv05]
>
> --
> Vladimir Botka
>
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