Adds new REST API v2/

Addresses #5269

scripts/lua/rest/v2/import/pool/config.lua

@@ -0,0 +1,93 @@
+--
+-- (C) 2019-21 - ntop.org
+--
+dirs = ntop.getDirs()
+package.path = dirs.installdir .. "/scripts/lua/modules/?.lua;" .. package.path
+package.path = dirs.installdir .. "/scripts/lua/modules/import_export/?.lua;" .. package.path
+
+require "lua_utils"
+
+local snmp_import_export = require "snmp_import_export"
+local plugins_utils = require("plugins_utils")
+local am_import_export = plugins_utils.loadModule("active_monitoring", "am_import_export")
+local notifications_import_export = require "notifications_import_export"
+local checks_import_export = require "checks_import_export"
+local pool_import_export = require "pool_import_export"
+local json = require "dkjson"
+local rest_utils = require "rest_utils"
+local import_export_rest_utils = require "import_export_rest_utils"
+local auth = require "auth"
+
+--
+-- Import Pool configuration
+--
+-- NOTE: in case of invalid login, no error is returned but redirected to login
+--
+
+if not auth.has_capability(auth.capabilities.pools) then
+   rest_utils.answer(rest_utils.consts.err.not_granted)
+   return
+end
+
+-- ################################################
+
+local modules = import_export_rest_utils.unpack(_POST["JSON"])
+
+if not modules then
+   rest_utils.answer(rest_utils.consts.err.invalid_args)
+   return
+end
+
+local expected_modules = { "snmp", "active_monitoring", "notifications", "scripts", "pool" }
+local missing_modules = {}
+for _, m in ipairs(expected_modules) do
+  if not modules[m] then
+    rest_utils.answer(rest_utils.consts.err.configuration_file_mismatch)
+    missing_modules[#missing_modules+1] = m
+  end
+end
+
+if #missing_modules > 0 then
+  traceError(TRACE_ERROR, TRACE_CONSOLE, "Failure importing configuration due to missing modules: " .. table.concat(missing_modules, ", "))
+  return
+end
+
+local items = {}
+
+local snmp_ie = snmp_import_export:create()
+items[#items+1] = {
+   name = "snmp",
+   conf = modules["snmp"],
+   instance = snmp_ie
+}
+
+local am_ie = am_import_export:create()
+items[#items+1] = {
+   name = "active_monitoring", 
+   conf = modules["active_monitoring"],
+   instance = am_ie
+}
+
+local notifications_ie = notifications_import_export:create()
+items[#items+1] = {
+   name = "notifications", 
+   conf = modules["notifications"],     
+   instance = notifications_ie
+}
+
+local scripts_ie = checks_import_export:create()
+items[#items+1] = {
+   name = "scripts", 
+   conf = modules["scripts"],           
+   instance = scripts_ie
+}
+
+local pool_ie = pool_import_export:create()
+items[#items+1] = {
+   name = "pool", 
+   conf = modules["pool"],              
+   instance = pool_ie
+}
+
+import_export_rest_utils.import(items)
+