POST /mltk/register_model?test_connection=1

Description. Same body as 7.4 but the handler only probes AWS (sagemaker:DescribeEndpoint) — nothing is persisted. Accepts test_connection=1 or test_connection=true (case-insensitive).

Response (200).

{
  "status":           "success",
  "message":          "Successfully connected to the endpoint 'my-endpoint-123'",
  "endpoint_name":    "my-endpoint-123",
  "endpoint_status":  "InService",
  "test_type":        "connection_test"
}

Example.

curl -sk -u "$SPLUNK_USER:$SPLUNK_PASSWORD" -X POST 
  -H "Content-Type: application/json" 
  --data @register.json 
  "$SPLUNK_HOST/servicesNS/nobody/Splunk_ML_Toolkit/mltk/register_model?test_connection=1&output_mode=json"