https://stackoverflow.com/questions/77324457/generate-valid-dictionary-in-ansible-with-condition-dep

- name: test_playbook
  hosts: localhost
  connection: local

  vars:
    server__fqdn: myserver.local
    server__team: superduper_team

    request_body:
      matchers: |
        {% filter from_yaml %}
        {% if "myserver" in server__fqdn %}
        - name: "host"
          value: "{{ server__fqdn }}"
          type: "EQUAL"
        - name: "node"
          value: "myserver"
          type: "EQUAL"
        {% else %}
        - name: "host"
          value: "{{ server__fqdn }}"
          type: "EQUAL"
        {% endif %}
        {% endfilter %}
      teamName: "{{ server__team }}"

  tasks:
    - debug:
        var: request_body|type_debug
    - debug:
        var: request_body
    - debug:
        var: request_body|to_json



OUTPUT:
ansible-playbook playbooks/test.yml
/usr/local/lib/python3.7/site-packages/paramiko/transport.py:219: CryptographyDeprecationWarning: Blowfish has been deprecated
  "class": algorithms.Blowfish,
[WARNING]: No inventory was parsed, only implicit localhost is available

PLAY [test_playbook] ****************************************************************************************************************************

TASK [Gathering Facts] **************************************************************************************************************************
пятница 20 октября 2023  16:30:14 +0300 (0:00:00.013)       0:00:00.013 *******
ok: [localhost]

TASK [debug] ************************************************************************************************************************************
пятница 20 октября 2023  16:30:15 +0300 (0:00:00.911)       0:00:00.924 *******
fatal: [localhost]: FAILED! =>
  msg: |-
    An unhandled exception occurred while templating '{'matchers': '{% filter from_yaml %}\n{% if "myserver" in server__fqdn %}\n- name: "host"\n  value: "{{ server__fqdn }}"\n  type: "EQUAL"\n- name: "node"\n  value: "myserver"\n  type: "EQUAL"\n{% else %}\n- name: "host"\n  value: "{{ server__fqdn }}"\n  type: "EQUAL"\n{% endif %}\n{% endfilter %}\n', 'teamName': '{{ server__team }}'}'. Error was a <class 'ansible.errors.AnsibleError'>, original message: Unexpected templating type error occurred on ({% filter from_yaml %}
    {% if "myserver" in server__fqdn %}
    - name: "host"
      value: "{{ server__fqdn }}"
      type: "EQUAL"
    - name: "node"
      value: "myserver"
      type: "EQUAL"
    {% else %}
    - name: "host"
      value: "{{ server__fqdn }}"
      type: "EQUAL"
    {% endif %}
    {% endfilter %}
    ): sequence item 0: expected str instance, list found

PLAY RECAP **************************************************************************************************************************************
localhost                  : ok=1    changed=0    unreachable=0    failed=1    skipped=0    rescued=0    ignored=0

пятница 20 октября 2023  16:30:15 +0300 (0:00:00.040)       0:00:00.965 *******
===============================================================================
Gathering Facts -------------------------------------------------------------------------------------------------------------------------- 0.91s
debug ------------------------------------------------------------------------------------------------------------------------------------ 0.04s


ansible --version
/usr/local/lib/python3.7/site-packages/paramiko/transport.py:219: CryptographyDeprecationWarning: Blowfish has been deprecated
  "class": algorithms.Blowfish,
ansible [core 2.11.12]
  config file = /Users/username/projects/ansible.cfg
  configured module search path = ['/Users/username/.ansible/plugins/modules', '/usr/share/ansible/plugins/modules']
  ansible python module location = /usr/local/lib/python3.7/site-packages/ansible
  ansible collection location = /Users/username/projects:/Users/username/.ansible/collections
  executable location = /usr/local/bin/ansible
  python version = 3.7.12 (default, Oct 22 2021, 17:50:30) [Clang 13.0.0 (clang-1300.0.29.3)]
  jinja version = 3.1.2
  libyaml = True