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Fix and cleanup defaul alert severities

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This commit is contained in:
Simone Mainardi 2021-03-25 09:07:40 +01:00
parent 3af95219ac
commit 08f95ee5cb
3 changed files with 1 additions and 5 deletions
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103
scripts/lua/modules/alerts_config.lua
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@ -1,103 +0,0 @@
--
-- (C) 2013-21 - ntop.org
--
local dirs = ntop.getDirs()
package.path = dirs.installdir .. "/scripts/lua/modules/?.lua;" .. package.path
local alert_consts = require "alert_consts"
local alert_severities = require "alert_severities"
local json = require "dkjson"
-- ##############################################
local alerts_config = {}
-- ##############################################
local CONFIGSET_KEY = "ntopng.prefs.alerts_config.configset_v1" -- Keep in sync with ntop_defines.h FLOW_CALLBACKS_CONFIG
-- ##############################################
local function saveConfigset(configset)
local v = json.encode(configset)
ntop.setCache(CONFIGSET_KEY, v)
-- Reload the periodic scripts as the configuration has changed
ntop.reloadPeriodicScripts()
-- TODO: Reload flow alerts in C++
-- ntop.reloadFlowAlerts()
return true
end
-- ##############################################
local cached_config_set = nil
-- Return the default config set
-- Note: Other config sets are deprecated
function alerts_config.getConfigset()
if not cached_config_set then
cached_config_set = json.decode(ntop.getCache(CONFIGSET_KEY))
end
return cached_config_set
end
-- ##############################################
-- @brief Initializes a default configuration for user scripts
-- @param overwrite If true, a possibly existing configuration is overwritten with default values
function alerts_config.initDefaultConfig()
-- Current (possibly not-existing, not yet created configset)
local configset = alerts_config.getConfigset() or {}
for alert_type, alert in pairs(alert_consts.alert_types) do
-- Alert metadata, including the alert key
local meta = alert.meta
if not configset[alert_type] then
-- This is a new alert, prepare to fill it with defaults
configset[alert_type] = {}
end
-- Populate config severity
if not configset[alert_type]["severity"] then
-- No severity found in the configuration, let's add a default
local alert_severity = meta.default and meta.default.severity
if not alert_severity then
traceError(TRACE_NORMAL, TRACE_CONSOLE, string.format("Alert %s has no default severity, assuming 'notice'", alert_type))
alert_severity = alert_severities.notice
end
configset[alert_type]["severity"] = alert_severity.severity_id
end
-- Populate config filters
if not configset[alert_type]["filters"] then
-- No filters found in the configuration, let's see if there are default filters and add them
local alert_filters = meta.default and meta.default.filters
configset[alert_type]["filters"] = alert_filters or {}
end
saveConfigset(configset)
end
end
-- ##############################################
function alerts_config.resetConfigset()
cached_config_set = nil
ntop.delCache(CONFIGSET_KEY)
alerts_config.initDefaultConfig()
return(true)
end
-- ##############################################
return(alerts_config)