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Adds nagios alert deactivation notifications

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Nagios services are notified when ntopng
alerts are deactivated
This commit is contained in:
Simone Mainardi 2015-12-20 16:19:15 +01:00
parent 63bcbb12c7
commit 8b01d5b2c3
4 changed files with 36 additions and 29 deletions
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53
scripts/lua/modules/alert_utils.lua
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@ -67,6 +67,8 @@ alerts_granularity = {
{ "day", "Daily" }
}
alarmable_metrics = {'bytes', 'packets', 'dns', 'p2p', 'ingress', 'egress', 'inner'}
default_re_arm_minutes = {
["min"] = 1 ,
["5mins"]= 5 ,
@ -114,34 +116,39 @@ function is_alert_re_arming(alarm_source, timespan, alarmed_metric)
end
-- #################################################################
function delete_host_alert_configuration(host_ip)
for k,v in pairs(alerts_granularity) do
key = "ntopng.prefs.alerts_"..v[1]
ntop.delHashCache(key, host_ip)
key = "ntopng.prefs.alerts_"..v[1].."_re_arm_minutes"
ntop.delHashCache(key, host_ip)
function delete_re_arming_alerts(alert_source)
for k1, timespan in pairs(alerts_granularity) do
timespan = timespan[1]
local alarm_string = alert_source.."_"..timespan
for k2, alarmed_metric in pairs(alarmable_metrics) do
alarm_string = alarm_string.."_"..alarmed_metric
local re_arm_key = "alerts_re_arming_"..alarm_string
ntop.delCache(re_arm_key)
end
end
end
function delete_network_alert_configuration(network_name)
for k,v in pairs(alerts_granularity) do
key = "ntopng.prefs.network_alerts_"..v[1]
ntop.delHashCache(key, network_name)
key = "ntopng.prefs.alerts_"..v[1].."_re_arm_minutes"
ntop.delHashCache(key, network_name)
function delete_alert_configuration(alert_source)
io.write('eeee\n')
delete_re_arming_alerts(alert_source)
for k1,timespan in pairs(alerts_granularity) do
timespan = timespan[1]
local key = "ntopng.prefs.alerts_"..timespan
local alarms = ntop.getHashCache(key, alert_source)
if alarms ~= "" then
for k1, alarmed_metric in pairs(alarmable_metrics) do
if ntop.isPro() then
ntop.withdrawNagiosAlert(alert_source, timespan, alarmed_metric, "OK, alarm deactivated")
end
end
ntop.delHashCache(key, alert_source)
key = "ntopng.prefs.alerts_"..timespan.."_re_arm_minutes"
ntop.delHashCache(key, alert_source)
end
end
end
function delete_interface_alert_configuration(if_name)
for k,v in pairs(alerts_granularity) do
key = "ntopng.prefs.alerts_"..v[1]
ntop.delHashCache(key, if_name)
key = "ntopng.prefs.alerts_"..v[1].."_re_arm_minutes"
ntop.delHashCache(key, ifname)
end
end
function check_host_alert(ifname, hostname, mode, key, old_json, new_json)
if(verbose) then
@ -236,7 +243,7 @@ function check_network_alert(ifname, network_name, mode, key, old_table, new_tab
end
end
-- str = "bytes;>;123,packets;>;12"
hkey = "ntopng.prefs.network_alerts_"..mode
hkey = "ntopng.prefs.alerts_"..mode
local str = ntop.getHashCache(hkey, network_name)
@ -399,7 +406,7 @@ end
function check_networks_threshold(ifname, mode)
interface.select(ifname)
local subnet_stats = interface.getNetworksStats()
alarmed_subnets = ntop.getHashKeysCache("ntopng.prefs.network_alerts_"..mode)
alarmed_subnets = ntop.getHashKeysCache("ntopng.prefs.alerts_"..mode)
local ifname_id = interface.getStats().id
local basedir = fixPath(dirs.workingdir .. "/" .. ifname_id .. "/json/" .. mode)