Add VLAN rules. (#8193)

scripts/lua/modules/alert_definitions/other/alert_vlan_rule_threshold_crossed.lua

@@ -0,0 +1,99 @@
+--
+-- (C) 2019-24 - ntop.org
+--
+
+-- ##############################################
+
+local other_alert_keys = require "other_alert_keys"
+
+-- Import the classes library.
+local classes = require "classes"
+-- Make sure to import the Superclass!
+local alert = require "alert"
+local alert_entities = require "alert_entities"
+local format_utils = require "format_utils"
+
+-- ##############################################
+
+local alert_vlan_rule_threshold_crossed = classes.class(alert)
+
+alert_vlan_rule_threshold_crossed.meta = {
+  alert_key = other_alert_keys.alert_vlan_rule_threshold_crossed,
+  i18n_title = "show_alerts.host_pool_rule_threshold_cross",
+  icon = "fas fa-fw fa-exclamation-triangle",
+  entities = {
+     alert_entities.system,
+     alert_entities.interface,
+  },
+}
+
+-- ##############################################
+
+function alert_vlan_rule_threshold_crossed:init(ifid, vlan_id ,metric, frequency, threshold, value, threshold_sign, metric_type, vlan_label)
+   -- Call the parent constructor
+   self.super:init()
+
+   self.alert_type_params = {
+      ifid = ifid,
+      vlan_id = vlan_id,
+      vlan_label = vlan_label,
+      metric = metric,
+      frequency = frequency,
+      threshold = threshold,
+      value = value,
+      threshold_sign = threshold_sign,
+      metric_type = metric_type
+   }
+end
+
+-- #######################################################
+
+-- @brief Format an alert into a human-readable string
+-- @param ifid The integer interface id of the generated alert
+-- @param alert The alert description table, including alert data such as the generating entity, timestamp, granularity, type
+-- @param alert_type_params Table `alert_type_params` as built in the `:init` method
+-- @return A human-readable string
+function alert_vlan_rule_threshold_crossed.format(ifid, alert, alert_type_params)
+   
+   if(alert_type_params.frequency == "5min") then
+      alert_type_params.frequency = i18n("edit_check.hooks_name.5mins")
+   elseif(alert_type_params.frequency == "hour") then
+      alert_type_params.frequency = i18n("edit_check.hooks_name.hour")
+   else
+      alert_type_params.frequency = i18n("edit_check.hooks_name.day")
+   end
+
+   if(alert_type_params.metric == "vlan:traffic" or  alert_type_params.metric == "host_pool:traffic-RX" or alert_type_params.metric == "host_pool:traffic-TX") then
+      if(alert_type_params.metric_type == "volume") then
+         alert_type_params.value = bytesToSize(alert_type_params.value)
+         alert_type_params.threshold = bytesToSize(alert_type_params.threshold)
+      elseif(alert_type_params.metric_type == "throughput") then
+         alert_type_params.value = bitsToSize(alert_type_params.value)
+         alert_type_params.threshold = bitsToSize(alert_type_params.threshold)
+      elseif(alert_type_params.metric_type == "percentage") then
+         alert_type_params.value = string.format("%s",tostring(round(alert_type_params.value, 2))) .. "%"
+         alert_type_params.threshold = string.format("%s",tostring(alert_type_params.threshold)).. "%"
+      end
+    else 
+        if(alert_type_params.metric_type == "percentage") then
+            alert_type_params.value = string.format("%s",tostring(round(alert_type_params.value, 2))) .. "%"
+            alert_type_params.threshold = string.format("%s",tostring(alert_type_params.threshold)).. "%"
+        end
+    end
+   
+    return(i18n("alert_messages.traffic_vlan_volume_alert", {
+        url = ntop.getHttpPrefix() .. "/lua/hosts_stats.lua?vlan=",
+        vlan_id = alert_type_params.vlan_id,
+        vlan = alert_type_params.vlan_label,
+        metric = alert_type_params.metric,
+        value = alert_type_params.value,
+        threshold_sign = alert_type_params.threshold_sign,
+        threshold = alert_type_params.threshold,
+        frequency = alert_type_params.frequency
+        }))
+  
+end
+
+-- #######################################################
+
+return alert_vlan_rule_threshold_crossed