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Add sample custom query for host alerts. Fix host alerts format to handle empty fields.

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This commit is contained in:
Alfredo Cardigliano 2023-07-24 15:50:59 +02:00
parent 96620bfe77
commit 7a314e9d69
7 changed files with 100 additions and 10 deletions
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11
scripts/lua/modules/alert_definitions/flow/alert_packets_issues.lua
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@ -46,12 +46,15 @@ end
-- @return A human-readable string
function alert_tcp_packets_issues.format(ifid, alert, alert_type_params)
local msg = ''
if alert_type_params.lost > alert_type_params.lost_threshold then
if alert_type_params.lost and alert_type_params.lost_threshold and
alert_type_params.lost > alert_type_params.lost_threshold then
msg = i18n("flow_checks_config.tcp_packets_issues_alert", { type = 'loss', value = alert_type_params.lost, threshold = alert_type_params.lost_threshold })
elseif alert_type_params.retransmission > alert_type_params.retransmission_threshold then
elseif alert_type_params.retransmission and alert_type_params.retransmission_threshold and
alert_type_params.retransmission > alert_type_params.retransmission_threshold then
msg = i18n("flow_checks_config.tcp_packets_issues_alert", { type = 'retransmission', value = alert_type_params.retransmission, threshold = alert_type_params.retransmission_threshold })
elseif alert_type_params.out_of_order > alert_type_params.out_of_order_threshold then
elseif alert_type_params.out_of_order and alert_type_params.out_of_order_threshold and
alert_type_params.out_of_order > alert_type_params.out_of_order_threshold then
msg = i18n("flow_checks_config.tcp_packets_issues_alert", { type = 'out of order', value = alert_type_params.out_of_order, threshold = alert_type_params.out_of_order_threshold })
end