I think there's an typo here. There's an extra 't' in list_of_servers: "{{
tarr|flatten }}" should be
list_of_servers: "{{ arr|flatten }}"On Tue, Jul 12, 2022, 14:24 Softmax23 <[email protected]> wrote: > When i do > arr: "{{ servers|dict2items| > groupby('value')| > map(attribute=1)| > map('map', attribute='key')| > list }}" > list_of_servers: "{{ tarr|flatten }}" > tasks: > - debug: > var: arr > > the result , no data. > > TASK [debug] > ****************************************************************************************************************************** > ok: [localhost] => { > "arr": "[<generator object do_map at 0x7f1c51cac4a0>, <generator > object do_map at 0x7f1c51cac9e0>, > <generator object do_map at 0x7f1c51caca50>]" > } > > > > 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 >> > -- > You received this message because you are subscribed to the Google Groups > "Ansible Project" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/ansible-project/a38eebfa-d815-45fb-a2f3-0c57529bac66n%40googlegroups.com > <https://groups.google.com/d/msgid/ansible-project/a38eebfa-d815-45fb-a2f3-0c57529bac66n%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "Ansible Project" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/ansible-project/CAFtje5Mi%2Bob5QL1Hf8jod3ebM5jtNfLnM9q9kwbLRCJRgggRuA%40mail.gmail.com.
