Mostra warning quando alguma configuração não possui sga_name e não existe sga_name default.

[SOMA-3827][SOMA-4163]

sga/configuration.lua

@@ -36,23 +36,32 @@ local function get_from_multiple(filename, sga_name, config)
 
    -- Indexes all sga configs by sga_name
    local sgas = {}
-   local warning = ""
+   local warning = {}
    for key, data in ipairs(sgas_data) do
       local sga_config, err_msg = {}
       sga_config, err_msg = get(data, filename, config)
       if sga_config then
-         if sgas[sga_config.sga_name] then
-            warning = warning..string.format("[WARNING] Config file %s has duplicate configuration for sga '%s' \n", filename, sga_config.sga_name)
+         if sga_config.sga_name then
+            if sgas[sga_config.sga_name] then
+               table.insert(warning,
+                  string.format("[WARNING] Config file %s has duplicate configuration for sga '%s'", filename, sga_config.sga_name))
+            end
+            sgas[sga_config.sga_name] = sga_config
+         else
+            table.insert(warning,
+               string.format("[WARNING] Config file %s has configuration without sga_name:\n %s", filename, data))
          end
-         sgas[sga_config.sga_name] = sga_config
       else
-         warning = warning..string.format("[WARNING] Config file %s has malformed configuration:\n %s \n", filename, data)
+         table.insert(warning,
+            string.format("[WARNING] Config file %s has malformed configuration:\n %s", filename, data))
       end
    end
+   warning = table.concat(warning, '\n')
 
    local config_data = sgas[sga_name]
    if not config_data then
-      return nil, string.format(err, filename, "'"..sga_name.."' not found")
+      warning = warning ~= "" and warning..'\n' or ""
+      return nil, warning..string.format(err, filename, "'"..sga_name.."' not found")
    end
    return config_data, warning
 end