Pass JSON from output for another query Ansible - json

Question

Please help me figure out what I'm wrong with. I'm getting a JSON from Ansible and filtering it, after which I want to save the output and reuse it. But, unfortunately, I get an error that this attribute does not exist. Where did I go wrong?
playbook code:
var:
query_general: "body.results[].{display_name: display_name, subnets: subnets[]}"
- name: parsing query
set_fact:
myvar: "{{ results | json_query(query_general) }}"
register: output
- name: qwe
set_fact:
scndjson: "{{ output.myvar[].display_name }}"
- name: print
debug:
msg: "{{ scndjson }}"
I tried the json_query second case as well, but that didn't work either.
in register:output i have:
[
{
"display_name": "1test",
"subnets": [
{
"gateway_address": "0.0.0.0/25",
"network": "0.0.0.0/25"
}
]
},
{
"display_name": "test",
"subnets": [
{
"gateway_address": "0.0.0.1/25",
"network": "0.0.0.1/25"
}
]
}
]
error:
The task includes an option with an undefined variable.
it can be: output, display_name, etc
UPD:
I corrected the yaml, there are no errors, but the data is not displayed.
tasks:
- name:
nsxt_rest:
hostname: anyhost
username: anyuser
password: anypass
validate_certs: false
method: get
path: /policy/api/v1/infra/segments
register: nsx_results
- debug:
var: nsx_query_general
vars:
nsx_query_general: "{{ nsx_results | json_query('body.results[].{display_name: display_name, subnets: subnets[]}') }}"
register: output
- debug:
var: secondjson
vars:
secondjson: "{{ output|json_query('[].display_name') }}"
Output from nsx_query_general:
{
"nsx_query_general": [
{
"display_name": "test",
"subnets": [
{
"gateway_address": "0.0.0.0/25",
"network": "0.0.0.0/25"
}
]
},
{
"display_name": "1test",
"subnets": [
{
"gateway_address": "0.0.0.1/25",
"network": "0.0.0.1/25"
}
]
}]}
Output from secondjson:
{
"secondjson": "",
"_ansible_verbose_always": true,
"_ansible_no_log": false,
"changed": false
}

Answer 1

Given the registered variable output
output:
- display_name: 1test
subnets:
- gateway_address: 0.0.0.0/25
network: 0.0.0.0/25
- display_name: test
subnets:
- gateway_address: 0.0.0.1/25
network: 0.0.0.1/25
Either use json_query
scndjson: "{{ output|json_query('[].display_name') }}"
, or map attribute
scndjson: "{{ output|map(attribute='display_name')|list }}"
Both declarations create the list
scndjson: [1test, test]
Example of a complete playbook
- hosts: localhost
vars:
output:
- display_name: 1test
subnets:
- gateway_address: 0.0.0.0/25
network: 0.0.0.0/25
- display_name: test
subnets:
- gateway_address: 0.0.0.1/25
network: 0.0.0.1/25
tasks:
- debug:
var: scndjson
vars:
scndjson: "{{ output|json_query('[].display_name') }}"
- debug:
var: scndjson
vars:
scndjson: "{{ output|map(attribute='display_name')|list }}"