Removed plugin from ntopng and migrated all of them

scripts/lua/modules/check_definitions/network/inner.lua

@@ -0,0 +1,43 @@
+--
+-- (C) 2019-21 - ntop.org
+--
+
+local alerts_api = require("alerts_api")
+local alert_consts = require("alert_consts")
+local checks = require("checks")
+
+local script = {
+  -- Script category
+  category = checks.check_categories.network,
+
+  default_enabled = false,
+
+
+  default_value = {
+    operator = "gt",
+    threshold = 1073741824, -- 1GB
+  },
+
+  -- See below
+  hooks = {},
+
+  gui = {
+    i18n_title = "alerts_thresholds_config.inner_traffic",
+    i18n_description = "alerts_thresholds_config.alert_network_inner_description",
+    i18n_field_unit = checks.field_units.bytes,
+    input_builder = "threshold_cross",
+  }
+}
+
+-- #################################################################
+
+function script.hooks.min(params)
+  local value = alerts_api.network_delta_val(script.key, params.granularity, params.entity_info["inner"])
+
+  -- Check if the configured threshold is crossed by the value and possibly trigger an alert
+  alerts_api.checkThresholdAlert(params, alert_consts.alert_types.alert_threshold_cross, value)
+end
+
+-- #################################################################
+
+return script