Strengthen tests for invalid input

When creating containers, we would before accept input with empty or
missing cpu or memory lists.  CPU list was also wrongly assumed to be
non-exclusive by default.

src/container_manager.cpp

@@ -454,17 +454,22 @@ bool Container_manager::is_legal_create_command(String_parser& sp)
 	if(sp.get_string("name", name))
 		HANDLE_CM_ERROR_IF(!is_name_available(name), this, 
 				string("Another container already has the name ") + strval);
+	else
+		THROW_ON_BAD_INPUT("name is missing");
 
-	bval = false;
+	bval = true;
 	sp.get_bool("cpu_exclusive", bval);
 	if(sp.get_int_list("cpus", intvect))
+	{
 		HANDLE_CM_ERROR_IF(!are_resources_available<int>(_cpu_ownerships,
 					intvect, bval), this, 
 				string("At least part of the requested CPU cores is unavailable") + 
 				(bval? string(" exclusively.") : string(".")));
+		HANDLE_CM_ERROR_IF(intvect.size() == 0, this, "cpu list is empty");
+	}
+	else
+		THROW_ON_BAD_INPUT("cpu list is missing");
 
-	bval = false;
-	sp.get_bool("cpu_exclusive", bval);
 	if(sp.get_added_int_list("cpus", intvect))
 		HANDLE_CM_ERROR_IF(!are_resources_available<int>(_cpu_ownerships,
 					intvect, bval), this, 
@@ -474,13 +479,16 @@ bool Container_manager::is_legal_create_command(String_parser& sp)
 	bval = false;
 	sp.get_bool("mem_exclusive", bval);
 	if(sp.get_int_list("mems", intvect))
+	{
 		HANDLE_CM_ERROR_IF(!are_resources_available<int>(_mem_ownerships,
 					intvect, bval), this, 
 				string("At least part of the requested memory nodes is unavailable") +
 				(bval? string(" exclusively.") : string(".")));
+		HANDLE_CM_ERROR_IF(intvect.size() == 0, this, "memory list is empty");
+	}
+	else
+		THROW_ON_BAD_INPUT("memory list is missing");
 
-	bval = false;
-	sp.get_bool("mem_exclusive", bval);
 	if(sp.get_added_int_list("mems", intvect))
 		HANDLE_CM_ERROR_IF(!are_resources_available<int>(_mem_ownerships,
 					intvect, bval), this, 
@@ -778,19 +786,29 @@ void Container_manager::create_service_os(string command)
 
 
 	vector<int> cpus;
-	sp.get_int_list("cpus", cpus);
-	THROW_ON_FORBIDDEN_ACTION_IF(!are_resources_available<int>(_cpu_ownerships,
-				cpus, true), 
-			string("At least part of the requested CPU cores is unavailable"));
-	THROW_ON_FORBIDDEN_ACTION_IF(!_cpu_ownerships.are_unused(cpus),
-			"Some of the CPU cores requested are already in use");
+	if(sp.get_int_list("cpus", cpus))
+	{
+		THROW_ON_FORBIDDEN_ACTION_IF(!are_resources_available<int>(_cpu_ownerships,
+					cpus, true),
+				string("At least part of the requested CPU cores is unavailable"));
+		THROW_ON_FORBIDDEN_ACTION_IF(!_cpu_ownerships.are_unused(cpus),
+				"Some of the CPU cores requested are already in use");
+		THROW_ON_FORBIDDEN_ACTION_IF(cpus.size() == 0, "cpu list is empty");
+	}
+	else
+		THROW_ON_FORBIDDEN_ACTION("cpu list is missing");
 	vector<int> mems;
-	sp.get_int_list("mems", mems);
-	THROW_ON_FORBIDDEN_ACTION_IF(!are_resources_available<int>(_mem_ownerships,
-				mems, true), 
-			string("At least part of the requested memory nodes is unavailable"));
-	THROW_ON_FORBIDDEN_ACTION_IF(!_cpu_ownerships.are_unused(cpus),
-			"Some of the CPU cores requested are already in use");
+	if (sp.get_int_list("mems", mems))
+	{
+		THROW_ON_FORBIDDEN_ACTION_IF(!are_resources_available<int>(_mem_ownerships,
+					mems, true),
+				string("At least part of the requested memory nodes is unavailable"));
+		THROW_ON_FORBIDDEN_ACTION_IF(!_mem_ownerships.are_unused(cpus),
+				"Some of the memory nodes requested are already in use");
+		THROW_ON_FORBIDDEN_ACTION_IF(mems.size() == 0, "memory list is empty");
+	}
+	else
+		THROW_ON_FORBIDDEN_ACTION("memory list is missing");
 	_cpu_ownerships.transfer_to(cpus, _sos_cpu_ownerships);	
 	_mem_ownerships.transfer_to(mems, _sos_mem_ownerships);
 	_argo_containers_root->remove_cpus(cpus);