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Update in-memory hosts alert configuration when the configuration changes

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Also fixes invalid redis key used to check host alerts trigger
This commit is contained in:
emanuele-f 2017-04-20 19:09:52 +02:00
parent 9fb24219e4
commit 5892319880
7 changed files with 101 additions and 139 deletions
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31
scripts/lua/modules/alert_utils.lua
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@ -996,6 +996,7 @@ function drawAlertSettings(alert_source, alert_val)
end
-- handle settings change
local config_changed = false
local trigger_alerts = _POST["trigger_alerts"]
if(trigger_alerts ~= nil) then
@ -1006,6 +1007,7 @@ function drawAlertSettings(alert_source, alert_val)
ntop.setHashCache(get_alerts_suppressed_hash_name(ifname), alert_val, trigger_alerts)
alerts_enabled = false
end
config_changed = true
else
if are_alerts_suppressed(alert_val, ifname) then
alerts_enabled = false
@ -1014,21 +1016,6 @@ function drawAlertSettings(alert_source, alert_val)
end
end
if alert_source.source == "host" then
local hostInfo = hostkey2hostinfo(alert_val)
local host_ip = hostInfo["host"]
local host_vlan = hostInfo["vlan"]
-- host needs special treatment
if (_POST["trigger_alerts"]) then
if(_POST["trigger_alerts"] == "true") then
interface.enableHostAlerts(host_ip, host_vlan)
else
interface.disableHostAlerts(host_ip, host_vlan)
end
end
end
if host_or_network then
local hostInfo = hostkey2hostinfo(alert_val)
local host_ip = hostInfo["host"]
@ -1041,6 +1028,7 @@ function drawAlertSettings(alert_source, alert_val)
if _POST["flow_rate_alert_threshold"] ~= nil and _POST["flow_rate_alert_threshold"] ~= "" then
ntop.setPref(flow_rate_alert_thresh, _POST["flow_rate_alert_threshold"])
flow_rate_alert_thresh = _POST["flow_rate_alert_threshold"]
config_changed = true
else
local v = nil
if _POST["flow_rate_alert_threshold"] == nil then
@ -1057,6 +1045,7 @@ function drawAlertSettings(alert_source, alert_val)
if _POST["syn_alert_threshold"] ~= nil and _POST["syn_alert_threshold"] ~= "" then
ntop.setPref(syn_alert_thresh, _POST["syn_alert_threshold"])
syn_alert_thresh = _POST["syn_alert_threshold"]
config_changed = true
else
local v = nil
if _POST["syn_alert_threshold"] == nil then
@ -1072,6 +1061,7 @@ function drawAlertSettings(alert_source, alert_val)
if _POST["flows_alert_threshold"] ~= nil and _POST["flows_alert_threshold"] ~= "" then
ntop.setPref(flows_alert_thresh, _POST["flows_alert_threshold"])
flows_alert_thresh = _POST["flows_alert_threshold"]
config_changed = true
else
local v = nil
if _POST["flows_alert_threshold"] == nil then
@ -1086,6 +1076,17 @@ function drawAlertSettings(alert_source, alert_val)
end
end
if config_changed then
if alert_source.source == "host" then
local hostInfo = hostkey2hostinfo(alert_val)
local host_ip = hostInfo["host"]
local host_vlan = hostInfo["vlan"]
-- io.write("Reloading host '"..host_ip.."' alerts configuration...\n")
interface.refreshHostAlertsConfiguration(host_ip, host_vlan)
end
end
print("<table class=\"table table-striped table-bordered\">\n")
-- Source agnostic settings