API Create Host - adding host params fails

Latest response

I can successfully create hosts via the REST API, however, including host_parameters_attributes causes the action to fail with a 500 response and the message, "resource have no errors."

Satellite version: 6.7

My Ansilbe play that successfully creates a new host looks like this:

- hosts: localhost
  tasks:
    - name: Create Host in Satellite
      uri:
        url: "https://REDACTED/api/v2/hosts"
        method: POST
        user: REDACTED
        password: REDACTED
        headers:
          application: json
          version: 2
        force_basic_auth: yes
        validate_certs: no
        return_content: yes
        status_code: [200, 201]
        body_format: json
        body: |
          {
            "host": {
              "name": REDACTED,
              "build": "true",
              "managed": "true","location_id": "4",
              "organization_id": "3",
              "hostgroup_id": "7",
              "subnet_id": 14,
              "mac": REDACTED
            }
          }

This version returns the 500 error:

- hosts: localhost
  tasks:
    - name: Create Host in Satellite
      uri:
        url: "https://REDACTED/api/v2/hosts"
        method: POST
        user: REDACTED
        password: REDACTED
        headers:
          application: json
          version: 2
        force_basic_auth: yes
        validate_certs: no
        return_content: yes
        status_code: [200, 201]
        body_format: json
        body: |
          {
            "host": {
              "name": REDACTED,
              "build": "true",
              "managed": "true","location_id": "4",
              "organization_id": "3",
              "hostgroup_id": "7",
              "subnet_id": 14,
              "mac": REDACTED
              "host_parameters_attributes": [
                {
                  "name": "ansible_host_config_key",
                  "parameter_type": "string",
                  "value": "REDACTED"
                }
              ]
            }
          }

On the Satellite server in /var/log/foreman/production.log I see this entry:

2021-01-08T12:40:01 [I|app|a23f61ce] Started PUT "/api/v2/hosts/REDACTED" for REDACTED at 2021-01-08 12:40:01 -0600
2021-01-08T12:40:01 [I|app|a23f61ce] Processing by Api::V2::HostsController#update as JSON
2021-01-08T12:40:01 [I|app|a23f61ce]   Parameters: {"host"=>{"host_parameters_attributes"=>[{"name"=>"ansible_host_config_key", "parameter_type"=>"string", "value"=>"[FILTERED]"}]}, "apiv"=>"v2", "id"=>"REDACTED}
2021-01-08T12:40:01 [I|app|a23f61ce] Authorized user api-user(API User)
2021-01-08T12:40:02 [I|aud|a23f61ce] Parameter (44) update event on value , REDACTED
2021-01-08T12:40:02 [W|app|a23f61ce] Rolling back due to exception during save
2021-01-08T12:40:02 [W|app|a23f61ce] Action failed
2021-01-08T12:40:02 [I|app|a23f61ce]   Rendering api/v2/errors/standard_error.json.rabl within api/v2/layouts/error_layout
2021-01-08T12:40:02 [I|app|a23f61ce]   Rendered api/v2/errors/standard_error.json.rabl within api/v2/layouts/error_layout (0.6ms)
2021-01-08T12:40:02 [I|app|a23f61ce] Completed 500 Internal Server Error in 1375ms (Views: 1.3ms | ActiveRecord: 1049.0ms)
TJ

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