chore: Updating documentation and adding exception handling for Vector Stores in RAG Tool and updating inference to use openai and updating memory implementation to use existing libraries

Signed-off-by: Francisco Javier Arceo <farceo@redhat.com>

tests/unit/providers/utils/memory/test_vector_store.py

@@ -178,3 +178,41 @@ def test_content_from_data_and_mime_type_both_encodings_fail():
         # Should raise an exception instead of returning empty string
         with pytest.raises(UnicodeDecodeError):
             content_from_data_and_mime_type(data, mime_type)
+
+
+async def test_memory_tool_error_handling():
+    """Test that memory tool handles various failures gracefully without crashing."""
+    from llama_stack.providers.inline.tool_runtime.rag.config import RagToolRuntimeConfig
+    from llama_stack.providers.inline.tool_runtime.rag.memory import MemoryToolRuntimeImpl
+
+    config = RagToolRuntimeConfig()
+    memory_tool = MemoryToolRuntimeImpl(
+        config=config,
+        vector_io_api=AsyncMock(),
+        inference_api=AsyncMock(),
+        files_api=AsyncMock(),
+    )
+
+    docs = [
+        RAGDocument(document_id="good_doc", content="Good content", metadata={}),
+        RAGDocument(document_id="bad_url_doc", content=URL(uri="https://bad.url"), metadata={}),
+        RAGDocument(document_id="another_good_doc", content="Another good content", metadata={}),
+    ]
+
+    mock_file1 = MagicMock()
+    mock_file1.id = "file_good1"
+    mock_file2 = MagicMock()
+    mock_file2.id = "file_good2"
+    memory_tool.files_api.openai_upload_file.side_effect = [mock_file1, mock_file2]
+
+    with patch("httpx.AsyncClient") as mock_client:
+        mock_instance = AsyncMock()
+        mock_instance.get.side_effect = Exception("Bad URL")
+        mock_client.return_value.__aenter__.return_value = mock_instance
+
+        # won't raise exception despite one document failing
+        await memory_tool.insert(docs, "vector_store_123")
+
+    # processed 2 documents successfully, skipped 1
+    assert memory_tool.files_api.openai_upload_file.call_count == 2
+    assert memory_tool.vector_io_api.openai_attach_file_to_vector_store.call_count == 2