[DSM] Add avro schema object extraction

Author: ericfirth

dd-java-agent/instrumentation/avro/src/main/java/datadog/trace/instrumentation/avro/SchemaExtractor.java

@@ -32,7 +32,10 @@ public static boolean extractProperty(
 
     switch (field.schema().getType()) {
       case RECORD:
-        type = "object";
+        type = "#/components/schemas/" + field.schema().getFullName();
+        if (!extractSchema(field.schema(), builder, depth)) {
+          return false;
+        }
         break;
       case ENUM:
         type = "string";

dd-java-agent/instrumentation/avro/src/test/groovy/AvroDatumReaderTest.groovy

@@ -23,8 +23,8 @@ class AvroDatumReaderTest extends AgentTestRunner {
 
     return true
   }
-  String schemaID = "5493435211744749109"
-  String openApiSchemaDef = "{\"components\":{\"schemas\":{\"TestRecord\":{\"properties\":{\"stringField\":{\"type\":\"string\"},\"intField\":{\"format\":\"int32\",\"type\":\"integer\"},\"longField\":{\"format\":\"int64\",\"type\":\"integer\"},\"floatField\":{\"format\":\"float\",\"type\":\"number\"},\"doubleField\":{\"format\":\"double\",\"type\":\"number\"},\"booleanField\":{\"type\":\"boolean\"},\"bytesField\":{\"format\":\"byte\",\"type\":\"string\"},\"nullField\":{\"type\":\"null\"},\"enumField\":{\"enum\":[\"A\",\"B\",\"C\"],\"type\":\"string\"},\"fixedField\":{\"type\":\"string\"},\"recordField\":{\"type\":\"object\"},\"arrayField\":{\"items\":{\"type\":\"integer\"},\"type\":\"array\"},\"mapField\":{\"description\":\"Map type\",\"type\":\"object\"}},\"type\":\"object\"}}},\"openapi\":\"3.0.0\"}"
+  String schemaID = "13312915480981758289"
+  String openApiSchemaDef = "{\"components\":{\"schemas\":{\"TestRecord\":{\"properties\":{\"stringField\":{\"type\":\"string\"},\"intField\":{\"format\":\"int32\",\"type\":\"integer\"},\"longField\":{\"format\":\"int64\",\"type\":\"integer\"},\"floatField\":{\"format\":\"float\",\"type\":\"number\"},\"doubleField\":{\"format\":\"double\",\"type\":\"number\"},\"booleanField\":{\"type\":\"boolean\"},\"bytesField\":{\"format\":\"byte\",\"type\":\"string\"},\"nullField\":{\"type\":\"null\"},\"enumField\":{\"enum\":[\"A\",\"B\",\"C\"],\"type\":\"string\"},\"fixedField\":{\"type\":\"string\"},\"recordField\":{\"type\":\"#/components/schemas/NestedRecord\"},\"arrayField\":{\"items\":{\"type\":\"integer\"},\"type\":\"array\"},\"mapField\":{\"description\":\"Map type\",\"type\":\"object\"}},\"type\":\"object\"},\"NestedRecord\":{\"properties\":{\"nestedString\":{\"type\":\"string\"}},\"type\":\"object\"}}},\"openapi\":\"3.0.0\"}"
   String schemaStr = '''
     {
       "type": "record",