-Remove obsolete Bicep modules for Machine Learning Services: compute, connection, and workspace. These modules are no longer needed and have been deleted to streamline the infrastructure codebase.

-Disable prompt_flow from UI

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: Ayaz-Microsoft

code/backend/batch/utilities/helpers/config/config_helper.py

@@ -85,7 +85,18 @@ def get_available_loading_strategies(self):
         return [c.value for c in LoadingStrategy]
 
     def get_available_orchestration_strategies(self):
-        return [c.value for c in OrchestrationStrategy]
+        # prompt_flow is hidden from the admin UI because the deployment
+        # pipeline (Bicep / azd) does not provision the required Azure ML
+        # workspace, endpoint, or env vars. The orchestrator class is kept
+        # for backward compatibility; if a deployment already has it
+        # selected, surface it so the selectbox stays valid.
+        hidden = {OrchestrationStrategy.PROMPT_FLOW.value}
+        current = self.orchestrator.strategy.value if self.orchestrator else None
+        return [
+            c.value
+            for c in OrchestrationStrategy
+            if c.value not in hidden or c.value == current
+        ]
 
     def get_available_ai_assistant_types(self):
         return [c.value for c in AssistantStrategy]

code/tests/utilities/helpers/test_config_helper.py

@@ -5,6 +5,9 @@
 from backend.batch.utilities.helpers.config.embedding_config import EmbeddingConfig
 from backend.batch.utilities.document_chunking.chunking_strategy import ChunkingSettings
 from backend.batch.utilities.document_loading import LoadingSettings
+from backend.batch.utilities.orchestrator.orchestration_strategy import (
+    OrchestrationStrategy,
+)
 
 
 @pytest.fixture
@@ -483,6 +486,23 @@ def test_get_available_orchestration_strategies(config: Config):
     orchestration_strategies = config.get_available_orchestration_strategies()
 
     # then
+    # prompt_flow is intentionally hidden from the admin UI (the deployment
+    # pipeline does not provision the Azure ML workspace it depends on).
+    assert sorted(orchestration_strategies) == sorted(
+        ["openai_function", "langchain", "semantic_kernel"]
+    )
+
+
+def test_get_available_orchestration_strategies_keeps_prompt_flow_when_currently_selected(
+    config: Config,
+):
+    # given - existing deployment already has prompt_flow selected
+    config.orchestrator.strategy = OrchestrationStrategy.PROMPT_FLOW
+
+    # when
+    orchestration_strategies = config.get_available_orchestration_strategies()
+
+    # then - prompt_flow is surfaced so the admin selectbox remains valid
     assert sorted(orchestration_strategies) == sorted(
         ["openai_function", "langchain", "prompt_flow", "semantic_kernel"]
     )

infra/main.bicep

@@ -623,7 +623,6 @@ var privateDnsZones = [
   'privatelink.cognitiveservices.azure.com'
   'privatelink.openai.azure.com'
   'privatelink.vaultcore.azure.net'
-  'privatelink.api.azureml.ms'
 ]
 
 // DNS Zone Index Constants
@@ -637,7 +636,6 @@ var dnsZoneIndex = {
   cognitiveServices: 6
   openAI: 7
   keyVault: 8
-  machinelearning: 9
 }
 
 // ===================================================