stack configure fixes

llama_stack/distribution/configure.py

@@ -51,27 +51,31 @@ def configure_api_providers(
     apis = [v.value for v in stack_apis()]
     all_providers = api_providers()
 
-    apis_to_serve = req_apis.apis_to_serve + ["telemetry"]
-    for api_str in apis_to_serve:
+    for api_str in spec.providers.keys():
         if api_str not in apis:
             raise ValueError(f"Unknown API `{api_str}`")
 
         cprint(f"Configuring API `{api_str}`...\n", "white", attrs=["bold"])
         api = Api(api_str)
-        if isinstance(spec.providers[api_str], list):
+
+        provider_or_providers = spec.providers[api_str]
+        if isinstance(provider_or_providers, list) and len(provider_or_providers) > 1:
             print(
                 "You have specified multiple providers for this API. We will configure a routing table now. For each provider, provide a routing key followed by provider configuration.\n"
             )
+
             routing_entries = []
-            for p in spec.providers[api_str]:
+            for p in provider_or_providers:
                 print(f"Configuring provider `{p}`...")
                 provider_spec = all_providers[api][p]
                 config_type = instantiate_class_type(provider_spec.config_class)
 
+                # TODO: we need to validate the routing keys, and
+                # perhaps it is better if we break this out into asking
+                # for a routing key separately from the associated config
                 wrapper_type = make_routing_entry_type(config_type)
                 rt_entry = prompt_for_config(wrapper_type, None)
 
-                # TODO: we need to validate the routing keys
                 routing_entries.append(
                     ProviderRoutingEntry(
                         provider_id=p,
@@ -81,11 +85,21 @@ def configure_api_providers(
                 )
             config.provider_map[api_str] = routing_entries
         else:
-            p = spec.providers[api_str]
+            p = (
+                provider_or_providers[0]
+                if isinstance(provider_or_providers, list)
+                else provider_or_providers
+            )
             print(f"Configuring provider `{p}`...")
             provider_spec = all_providers[api][p]
             config_type = instantiate_class_type(provider_spec.config_class)
-            cfg = prompt_for_config(config_type, None)
+            try:
+                provider_config = config.provider_map.get(api_str)
+                if provider_config:
+                    existing = config_type(**provider_config.config)
+            except Exception:
+                existing = None
+            cfg = prompt_for_config(config_type, existing)
             config.provider_map[api_str] = GenericProviderConfig(
                 provider_id=p,
                 config=cfg.dict(),

llama_stack/providers/impls/meta_reference/agents/agents.py

@@ -69,7 +69,9 @@ class MetaReferenceAgentsImpl(Agents):
                 elif tool_defn.engine == SearchEngineType.bing:
                     key = self.config.bing_search_api_key
                 if not key:
-                    raise ValueError("API key not defined in config")
+                    raise ValueError(
+                        "Search (Brave or Bing) API key not defined in config"
+                    )
                 tool = SearchTool(tool_defn.engine, key)
             elif isinstance(tool_defn, CodeInterpreterToolDefinition):
                 tool = CodeInterpreterTool()