Hi Team,
I'm encountered some issue with set_facts from variable with json and for
this reason I'm tried to understand this. To reproduce this case I'm using
the example from here : playbooks filters
<https://docs.ansible.com/ansible/latest/user_guide/playbooks_filters.html#filters-for-formatting-data>
tasks
- shell: cat /some/path/to/file.json
register: result
- set_fact:
myvar: "{{ result.stdout | from_json }}"
I've created one example.fson file :
# cat files/example.json
json_example: |
{
"example_simple": {
"name": "simple",
"foo": "value",
"item": "this"
},
}
Here's the task file :
# cat tasks/main.yml
---
- name: Read JSON file
shell: cat ../files/example.json
register: json
- name: Get simple value.
set_fact:
simple_value: "{{ (json.stdout | from_json).example_simple.name }}"
- name: Simple debug.
debug:
msg: "{{ simple_value }}"
And here the result:
fatal: [localhost]: FAILED! => {"msg": "the field 'args' has an invalid
value ({u'simple_value': u'{{ (json.stdout | from_json) }}'}), and could
not be converted to an dict.The error was: No JSON object could be
decoded\n\nThe error appears to be in
'/etc/ansible/roles/testrole/tasks/main.yml': line 7, column 3, but may\nbe
elsewhere in the file depending on the exact syntax problem.\n\nThe
offending line appears to be:\n\n\n- name: Get simple value.\n ^ here\n"}
It tells me that the input cannot be converted to dict, But why and what is
the problem? Could someone explain me this problem?
I cannot understand what is wrong.
Best regards, J
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