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Implements MySQL open_files_limit check

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ntopng checks MySQL for the value of open_files_limit and engages
and alert if the worst case number of open files is greater
than or equal to the 80% of open_files_limit
This commit is contained in:
Simone Mainardi 2016-12-09 17:14:25 +01:00
parent 9294c9ad78
commit 758db35671
6 changed files with 94 additions and 13 deletions
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25
scripts/lua/modules/lua_utils.lua
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@ -282,18 +282,19 @@ alert_level_keys = {
}
alert_type_keys = {
{ "<i class='fa fa-tint'></i> TCP SYN Flood", 0, "tcp_syn_flood" },
{ "<i class='fa fa-tint'></i> Flows Flood", 1, "flows_flood" },
{ "<i class='fa fa-arrow-circle-up'></i> Threshold Cross", 2, "threshold_cross" },
{ "<i class='fa fa-frown-o'></i> Blacklist Host", 3, "blacklist_host" },
{ "<i class='fa fa-clock-o'></i> Periodic Activity", 4, "periodic_activity" },
{ "<i class='fa fa-sort-asc'></i> Quota Exceeded", 5, "quota_exceeded" },
{ "<i class='fa fa-ban'></i> Malware Detected", 6, "malware_detected" },
{ "<i class='fa fa-bomb'></i> Ongoing Attacker", 7, "ongoing_attacker" },
{ "<i class='fa fa-bomb'></i> Under Attack", 8, "under_attack" },
{ "<i class='fa fa-exclamation'></i> Misconfigured App", 9, "misconfigured_app" },
{ "<i class='fa fa-exclamation'></i> Suspicious Activity", 10, "suspicious_activity" },
{ "<i class='fa fa-exclamation'></i> Too Many Alerts", 11, "too_many_alerts" },
{ "<i class='fa fa-tint'></i> TCP SYN Flood", 0, "tcp_syn_flood" },
{ "<i class='fa fa-tint'></i> Flows Flood", 1, "flows_flood" },
{ "<i class='fa fa-arrow-circle-up'></i> Threshold Cross", 2, "threshold_cross" },
{ "<i class='fa fa-frown-o'></i> Blacklist Host", 3, "blacklist_host" },
{ "<i class='fa fa-clock-o'></i> Periodic Activity", 4, "periodic_activity" },
{ "<i class='fa fa-sort-asc'></i> Quota Exceeded", 5, "quota_exceeded" },
{ "<i class='fa fa-ban'></i> Malware Detected", 6, "malware_detected" },
{ "<i class='fa fa-bomb'></i> Ongoing Attacker", 7, "ongoing_attacker" },
{ "<i class='fa fa-bomb'></i> Under Attack", 8, "under_attack" },
{ "<i class='fa fa-exclamation'></i> Misconfigured App", 9, "misconfigured_app" },
{ "<i class='fa fa-exclamation'></i> Suspicious Activity", 10, "suspicious_activity" },
{ "<i class='fa fa-exclamation'></i> Too Many Alerts", 11, "too_many_alerts" },
{ "<i class='fa fa-exclamation'></i> MySQL open_files_limit too small", 12, "open_files_limit_too_small" },
}
alert_entity_keys = {