From 7f0a8cdfcd4977ad4cd719d0e8b12bd1a8565a32 Mon Sep 17 00:00:00 2001 From: Christian Hesse Date: Sun, 2 Jan 2022 20:47:12 +0100 Subject: netwatch-notify: better match notify-entries --- netwatch-notify | 157 +++++++++++++++++++++++++++++--------------------------- 1 file changed, 80 insertions(+), 77 deletions(-) diff --git a/netwatch-notify b/netwatch-notify index 9ebcc1f..767168b 100644 --- a/netwatch-notify +++ b/netwatch-notify @@ -50,94 +50,97 @@ $ScriptLock $0; -:foreach Host in=[ / tool netwatch find where comment~"^notify," disabled=no ] do={ +:foreach Host in=[ / tool netwatch find where comment~"notify" disabled=no ] do={ :local HostVal [ / tool netwatch get $Host ]; :local HostInfo [ $ParseKeyValueStore ($HostVal->"comment") ]; - :local HostName ($HostInfo->"hostname"); - :local Metric { "count"=0; "notified"=false }; - :if ([ :typeof ($NetwatchNotify->$HostName) ] = "array") do={ - :set $Metric ($NetwatchNotify->$HostName); - } + :if ($HostInfo->"notify" = true && $HostInfo->"disabled" != true) do={ + :local HostName ($HostInfo->"hostname"); - :if ([ :typeof ($HostInfo->"resolve") ] = "str" && [ $DNSIsResolving ] = true) do={ - :do { - :local Resolve [ :resolve ($HostInfo->"resolve") ]; - :if ($Resolve != $HostVal->"host") do={ - $LogPrintExit2 info $0 ("Name '" . $HostInfo->"resolve" . [ $IfThenElse ($HostInfo->"resolve" != \ - $HostInfo->"hostname") ("' for host '" . $HostInfo->"hostname") "" ] . \ - "' resolves to different address " . $Resolve . ", updating.") false; - / tool netwatch set host=$Resolve $Host; - :set ($Metric->"resolve-failed") false; - } - } on-error={ - :if ($Metric->"resolve-failed" != true) do={ - $LogPrintExit2 warning $0 ("Resolving name '" . $HostInfo->"resolve" . [ $IfThenElse ($HostInfo->"resolve" != \ - $HostInfo->"hostname") ("' for host '" . $HostInfo->"hostname") "" ] . "' failed.") false; - :set ($Metric->"resolve-failed") true; - } + :local Metric { "count"=0; "notified"=false }; + :if ([ :typeof ($NetwatchNotify->$HostName) ] = "array") do={ + :set $Metric ($NetwatchNotify->$HostName); } - } - :if ($HostVal->"status" = "up") do={ - :local Count ($Metric->"count"); - :if ($Count > 0) do={ - $LogPrintExit2 info $0 ("Host " . $HostName . " (" . $HostVal->"host" . ") is up.") false; - :set ($Metric->"count") 0; - } - :if ($Metric->"notified" = true) do={ - :local Message ("Host " . $HostName . " (" . $HostVal->"host" . ") is up since " . $HostVal->"since" . ".\n" . \ - "It was down for " . $Count . " checks since " . ($Metric->"since") . "."); - :if ([ :typeof ($HostInfo->"up-hook") ] = "str") do={ - :set Message ($Message . "\n\n" . [ $NetwatchNotifyHook $HostName "up" ($HostInfo->"up-hook") ]); + :if ([ :typeof ($HostInfo->"resolve") ] = "str" && [ $DNSIsResolving ] = true) do={ + :do { + :local Resolve [ :resolve ($HostInfo->"resolve") ]; + :if ($Resolve != $HostVal->"host") do={ + $LogPrintExit2 info $0 ("Name '" . $HostInfo->"resolve" . [ $IfThenElse ($HostInfo->"resolve" != \ + $HostInfo->"hostname") ("' for host '" . $HostInfo->"hostname") "" ] . \ + "' resolves to different address " . $Resolve . ", updating.") false; + / tool netwatch set host=$Resolve $Host; + :set ($Metric->"resolve-failed") false; + } + } on-error={ + :if ($Metric->"resolve-failed" != true) do={ + $LogPrintExit2 warning $0 ("Resolving name '" . $HostInfo->"resolve" . [ $IfThenElse ($HostInfo->"resolve" != \ + $HostInfo->"hostname") ("' for host '" . $HostInfo->"hostname") "" ] . "' failed.") false; + :set ($Metric->"resolve-failed") true; + } } - $SendNotification2 ({ origin=$0; \ - subject=([ $SymbolForNotification "white-heavy-check-mark" ] . "Netwatch Notify: " . $HostName . " up"); \ - message=$Message }); - } - :set ($Metric->"notified") false; - :set ($Metric->"parent") ($HostInfo->"parent"); - :set ($Metric->"since"); - } else={ - :set ($Metric->"count") ($Metric->"count" + 1); - :set ($Metric->"parent") ($HostInfo->"parent"); - :set ($Metric->"since") ($HostVal->"since"); - :local Count [ $IfThenElse ([ :tonum ($HostInfo->"count") ] > 0) ($HostInfo->"count") 5 ]; - :local Parent ($HostInfo->"parent"); - :while ([ :len $Parent ] > 0) do={ - :set Count ($Count + 1); - :set Parent ($NetwatchNotify->$Parent->"parent"); } - :set Parent ($HostInfo->"parent"); - :local ParentNotified false; - :while ($ParentNotified = false && [ :len $Parent ] > 0) do={ - :set ParentNotified [ $IfThenElse (($NetwatchNotify->$Parent->"notified") = true) true false ]; - :if ($ParentNotified = false) do={ + + :if ($HostVal->"status" = "up") do={ + :local Count ($Metric->"count"); + :if ($Count > 0) do={ + $LogPrintExit2 info $0 ("Host " . $HostName . " (" . $HostVal->"host" . ") is up.") false; + :set ($Metric->"count") 0; + } + :if ($Metric->"notified" = true) do={ + :local Message ("Host " . $HostName . " (" . $HostVal->"host" . ") is up since " . $HostVal->"since" . ".\n" . \ + "It was down for " . $Count . " checks since " . ($Metric->"since") . "."); + :if ([ :typeof ($HostInfo->"up-hook") ] = "str") do={ + :set Message ($Message . "\n\n" . [ $NetwatchNotifyHook $HostName "up" ($HostInfo->"up-hook") ]); + } + $SendNotification2 ({ origin=$0; \ + subject=([ $SymbolForNotification "white-heavy-check-mark" ] . "Netwatch Notify: " . $HostName . " up"); \ + message=$Message }); + } + :set ($Metric->"notified") false; + :set ($Metric->"parent") ($HostInfo->"parent"); + :set ($Metric->"since"); + } else={ + :set ($Metric->"count") ($Metric->"count" + 1); + :set ($Metric->"parent") ($HostInfo->"parent"); + :set ($Metric->"since") ($HostVal->"since"); + :local Count [ $IfThenElse ([ :tonum ($HostInfo->"count") ] > 0) ($HostInfo->"count") 5 ]; + :local Parent ($HostInfo->"parent"); + :while ([ :len $Parent ] > 0) do={ + :set Count ($Count + 1); :set Parent ($NetwatchNotify->$Parent->"parent"); } - } - $LogPrintExit2 info $0 ("Host " . $HostName . " (" . $HostVal->"host" . ") is down for " . \ - $Metric->"count" . " checks, " . [ $IfThenElse ($ParentNotified = false) [ $IfThenElse \ - ($Metric->"notified" = true) ("already notified.") ($Count - $Metric->"count" . " to go.") ] \ - ("parent host " . $Parent . " is down.") ]) false; - :if ((($Count * 2) - ($Metric->"count" * 3)) / 2 = 0 && [ :typeof ($HostInfo->"pre-down-hook") ] = "str") do={ - $NetwatchNotifyHook $HostName "pre-down" ($HostInfo->"pre-down-hook"); - } - :if ($ParentNotified = false && $Metric->"count" >= $Count && $Metric->"notified" != true) do={ - :local Message ("Host " . $HostName . " (" . $HostVal->"host" . ") is down since " . $HostVal->"since" . "."); - :if ([ :typeof ($HostInfo->"down-hook") ] = "str") do={ - :set Message ($Message . "\n\n" . [ $NetwatchNotifyHook $HostName "down" ($HostInfo->"down-hook") ]); + :set Parent ($HostInfo->"parent"); + :local ParentNotified false; + :while ($ParentNotified = false && [ :len $Parent ] > 0) do={ + :set ParentNotified [ $IfThenElse (($NetwatchNotify->$Parent->"notified") = true) true false ]; + :if ($ParentNotified = false) do={ + :set Parent ($NetwatchNotify->$Parent->"parent"); + } + } + $LogPrintExit2 info $0 ("Host " . $HostName . " (" . $HostVal->"host" . ") is down for " . \ + $Metric->"count" . " checks, " . [ $IfThenElse ($ParentNotified = false) [ $IfThenElse \ + ($Metric->"notified" = true) ("already notified.") ($Count - $Metric->"count" . " to go.") ] \ + ("parent host " . $Parent . " is down.") ]) false; + :if ((($Count * 2) - ($Metric->"count" * 3)) / 2 = 0 && [ :typeof ($HostInfo->"pre-down-hook") ] = "str") do={ + $NetwatchNotifyHook $HostName "pre-down" ($HostInfo->"pre-down-hook"); + } + :if ($ParentNotified = false && $Metric->"count" >= $Count && $Metric->"notified" != true) do={ + :local Message ("Host " . $HostName . " (" . $HostVal->"host" . ") is down since " . $HostVal->"since" . "."); + :if ([ :typeof ($HostInfo->"down-hook") ] = "str") do={ + :set Message ($Message . "\n\n" . [ $NetwatchNotifyHook $HostName "down" ($HostInfo->"down-hook") ]); + } + $SendNotification2 ({ origin=$0; \ + subject=([ $SymbolForNotification "cross-mark" ] . "Netwatch Notify: " . $HostName . " down"); \ + message=$Message }); + :set ($Metric->"notified") true; } - $SendNotification2 ({ origin=$0; \ - subject=([ $SymbolForNotification "cross-mark" ] . "Netwatch Notify: " . $HostName . " down"); \ - message=$Message }); - :set ($Metric->"notified") true; } + :set ($NetwatchNotify->$HostName) { + "count"=($Metric->"count"); + "notified"=($Metric->"notified"); + "parent"=($Metric->"parent"); + "resolve-failed"=($Metric->"resolve-failed"); + "since"=($Metric->"since") }; } - :set ($NetwatchNotify->$HostName) { - "count"=($Metric->"count"); - "notified"=($Metric->"notified"); - "parent"=($Metric->"parent"); - "resolve-failed"=($Metric->"resolve-failed"); - "since"=($Metric->"since") }; } -- cgit v1.2.3-70-g09d2