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Migrates alerts to an object-oriented implementation

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matteo 2020-12-22 12:58:51 +01:00
parent c1a7ff08ae
commit fbc283f12f
108 changed files with 2793 additions and 1737 deletions
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77
scripts/lua/modules/alert_definitions/alert_snmp_topology_changed.lua
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@ -1,64 +1,77 @@
--
-- (C) 2019 - ntop.org
-- (C) 2019-20 - ntop.org
--
-- ##############################################
local alert_keys = require "alert_keys"
package.path = dirs.installdir .. "/scripts/lua/modules/?.lua;" .. package.path
-- #######################################################
local status_keys = require "flow_keys"
-- Import the classes library.
local classes = require "classes"
-- Make sure to import the Superclass!
local alert = require "alert"
-- ##############################################
local alert_snmp_topology_changed = classes.class(alert)
-- ##############################################
alert_snmp_topology_changed.meta = {
alert_key = alert_keys.ntopng.alert_snmp_topology_changed,
i18n_title = i18n("snmp.lldp_topology_changed"),
icon = "fas fa-topology-alt",
}
-- ##############################################
-- @brief Prepare an alert table used to generate the alert
-- @param alert_severity A severity as defined in `alert_severities`
-- @param alert_subtype A string indicating the subtype for this alert, one of 'arc_added', 'arc_removed'
-- @param alert_granularity A granularity as defined in `alert_consts.alerts_granularities`
-- @param node1 A string with the name of the first of the two peers involved in the change
-- @param ip1 A string with the ip of the first of the two peers involved in the change
-- @param node2 A string with the name of the second of the two peers involved in the change
-- @param ip2 A string with the ip of the second of the two peers involved in the change
-- @return A table with the alert built
local function createTopologyChanged(alert_severity, alert_subtype, alert_granularity, node1, ip1, node2, ip2)
local built = {
alert_subtype = alert_subtype,
alert_severity = alert_severity,
alert_granularity = alert_granularity,
alert_type_params = {
node1 = node1, ip1 = ip1,
node2 = node2, ip2 = ip2,
},
}
function alert_snmp_topology_changed:init(node1, ip1, node2, ip2)
-- Call the parent constructor
self.super:init()
return built
self.alert_type_params = {
node1 = node1, ip1 = ip1,
node2 = node2, ip2 = ip2,
}
end
-- #######################################################
local function formatTopologyChanged(ifid, alert, alert_info)
-- @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_snmp_topology_changed.format(ifid, alert, alert_type_params)
if not ntop.isPro() then
return ""
end
if(alert.alert_subtype == "arc_added") then
return(i18n("alert_messages.lldp_arc_added", {
node1 = alert_info.node1,
node2 = alert_info.node2,
url1 = snmpDeviceUrl(alert_info.ip1),
url2 = snmpDeviceUrl(alert_info.ip2),
node1 = alert_type_params.node1,
node2 = alert_type_params.node2,
url1 = snmpDeviceUrl(alert_type_params.ip1),
url2 = snmpDeviceUrl(alert_type_params.ip2),
}))
else
return(i18n("alert_messages.lldp_arc_removed", {
node1 = alert_info.node1,
node2 = alert_info.node2,
url1 = snmpDeviceUrl(alert_info.ip1),
url2 = snmpDeviceUrl(alert_info.ip2),
node1 = alert_type_params.node1,
node2 = alert_type_params.node2,
url1 = snmpDeviceUrl(alert_type_params.ip1),
url2 = snmpDeviceUrl(alert_type_params.ip2),
}))
end
end
-- #######################################################
return {
alert_key = alert_keys.ntopng.alert_snmp_topology_changed,
i18n_title = i18n("snmp.lldp_topology_changed"),
i18n_description = formatTopologyChanged,
icon = "fas fa-topology-alt",
creator = createTopologyChanged,
}
return alert_snmp_topology_changed