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Implements scriptable SNMP devices alerts

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This commit is contained in:
Simone Mainardi 2019-11-22 18:00:31 +01:00
parent 4f22c0d882
commit 188ec66c25
11 changed files with 240 additions and 78 deletions
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126
scripts/lua/modules/alerts_api.lua
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@ -763,55 +763,92 @@ end
-- ##############################################
function alerts_api.snmpInterfaceStatusChangeType(device, interface, interface_name, status)
return({
alert_type = alert_consts.alert_types.alert_port_status_change,
alert_severity = alert_consts.alert_severities.info,
alert_type_params = {
device = device, interface = interface,
interface_name = interface_name, status = status,
},
})
function alerts_api.snmpInterfaceStatusChangeType(snmp_interface_info, device, interface, interface_name, status)
local snmp_interface_index = snmp_interface_info["snmp_interface"]["index"]
local snmp_interface_name = snmp_interface_info["snmp_interface"]["name"]
local snmp_interface_status = snmp_interface_info["if_status"]["status"]
local snmp_device_ip = snmp_interface_info["snmp_device_ip"]
local res = {
alert_type = alert_consts.alert_types.alert_port_status_change,
alert_severity = alert_consts.alert_severities.info,
alert_type_params = {
device = snmp_device_ip,
interface = snmp_interface_index,
interface_name = snmp_interface_name,
status = snmp_interface_status,
},
}
return res
end
-- ##############################################
function alerts_api.snmpInterfaceDuplexStatusChangeType(device, interface, interface_name, status)
return({
alert_type = alert_consts.alert_types.alert_port_duplexstatus_change,
alert_severity = alert_consts.alert_severities.warning,
alert_type_params = {
device = device, interface = interface,
interface_name = interface_name, status = status,
},
})
function alerts_api.snmpInterfaceDuplexStatusChangeType(snmp_interface_info)
local snmp_interface_index = snmp_interface_info["snmp_interface"]["index"]
local snmp_interface_name = snmp_interface_info["snmp_interface"]["name"]
local snmp_interface_duplexstatus = snmp_interface_info["if_status"]["duplexstatus"]
local snmp_device_ip = snmp_interface_info["snmp_device_ip"]
local res = {
alert_type = alert_consts.alert_types.alert_port_duplexstatus_change,
alert_severity = alert_consts.alert_severities.warning,
alert_type_params = {
device = snmp_device_ip,
interface = snmp_interface_index,
interface_name = snmp_interface_name,
status = snmp_interface_duplexstatus,
},
}
return res
end
-- ##############################################
function alerts_api.snmpInterfaceErrorsType(device, interface, interface_name)
return({
alert_type = alert_consts.alert_types.alert_port_errors,
alert_severity = alert_consts.alert_severities.info,
alert_type_params = {
device = device, interface = interface,
interface_name = interface_name,
},
})
function alerts_api.snmpInterfaceErrorsType(snmp_interface_info)
local snmp_interface_index = snmp_interface_info["snmp_interface"]["index"]
local snmp_interface_name = snmp_interface_info["snmp_interface"]["name"]
local snmp_device_ip = snmp_interface_info["snmp_device_ip"]
local res = {
alert_type = alert_consts.alert_types.alert_port_errors,
alert_severity = alert_consts.alert_severities.info,
alert_type_params = {
device = snmp_device_ip,
interface = snmp_interface_index,
interface_name = snmp_interface_name,
},
}
return res
end
-- ##############################################
function alerts_api.snmpPortLoadThresholdExceededType(device, interface, interface_name, interface_load, in_direction)
return({
alert_type = alert_consts.alert_types.alert_port_load_threshold_exceeded,
alert_severity = alert_consts.alert_severities.warning,
alert_type_params = {
device = device, interface = interface,
interface_name = interface_name,
interface_load = interface_load, in_direction = in_direction,
},
})
function alerts_api.snmpPortLoadThresholdExceededType(snmp_interface_info)
local snmp_interface_index = snmp_interface_info["snmp_interface"]["index"]
local snmp_interface_name = snmp_interface_info["snmp_interface"]["name"]
local snmp_device_ip = snmp_interface_info["snmp_device_ip"]
local in_port_load = snmp_interface_info["in_port_load"]
local out_port_load = snmp_interface_info["out_port_load"]
local load_threshold = snmp_interface_info["load_threshold"]
local res = {
alert_type = alert_consts.alert_types.alert_port_load_threshold_exceeded,
alert_severity = alert_consts.alert_severities.warning,
alert_type_params = {
device = snmp_device_ip,
interface = snmp_interface_index,
interface_name = snmp_interface_name,
in_load = in_port_load,
out_load = out_port_load,
load_threshold = load_threshold,
},
}
return res
end
-- ##############################################
@ -939,6 +976,21 @@ end
-- ##############################################
-- TODO: comment
function alerts_api.snmp_device_interface_check_function(params)
local check_res = params.user_script.snmp_device_interface_check(params.granularity, params.entity_info)
if check_res then
local type_builder = params.user_script.type_builder
local check_type = type_builder(params.entity_info)
return alerts_api.store(params.alert_entity, check_type)
end
end
-- ##############################################
-- An alert check function which performs threshold checks of a value
-- against a configured threshold and generates a threshold_cross alert
-- if the value is above the threshold.