diff --git a/doc/netwatch-dns.md b/doc/netwatch-dns.md index 6f30225..8e897d1 100644 --- a/doc/netwatch-dns.md +++ b/doc/netwatch-dns.md @@ -57,7 +57,7 @@ Tips & Tricks Netwatch entries can be created to work with both - this script and [netwatch-notify](netwatch-notify.md). Just give options for both: - /tool/netwatch/add comment="doh, notify, hostname=cloudflare-dns" host=1.1.1.1; + /tool/netwatch/add comment="doh, notify, name=cloudflare-dns" host=1.1.1.1; Also this allows to update host address, see option `resolve`. diff --git a/doc/netwatch-notify.d/notification-01-down.svg b/doc/netwatch-notify.d/notification-01-down.svg index 5cab5fe..3a9133e 100644 --- a/doc/netwatch-notify.d/notification-01-down.svg +++ b/doc/netwatch-notify.d/notification-01-down.svg @@ -159,10 +159,10 @@ Host example.com (93.184.216.34) is down since + id="tspan2281">The host 'example.com' (93.184.216.34) is down jun/08/2021 06:55:03. + id="tspan2283">since jun/08/2021 06:55:03. diff --git a/doc/netwatch-notify.d/notification-02-up.svg b/doc/netwatch-notify.d/notification-02-up.svg index 8e03981..64e5e2d 100644 --- a/doc/netwatch-notify.d/notification-02-up.svg +++ b/doc/netwatch-notify.d/notification-02-up.svg @@ -159,11 +159,11 @@ Host example.com (93.184.216.34) is up since + id="tspan2246">The host 'example.com' (93.184.216.34) is up jun/08/2021 07:01:00. + id="tspan2248">since jun/08/2021 07:01:00. 0) do={ /system/script/remove [ find where name=\"rotate-ntp\" ]; /system/scheduler/remove [ find where name=\"rotate-ntp\" ]; /system/ntp/client/set servers=\$NtpPool; };"; + 82=":global CharacterReplace; :foreach Netwatch in=[ /tool/netwatch/find where comment~\"notify\" !disabled ] do={ /tool/netwatch/set \$Netwatch comment=[ \$CharacterReplace [ get \$Netwatch comment ] \"hostname=\" \"name=\" ]; };"; }; diff --git a/global-functions b/global-functions index daa6526..bab2716 100644 --- a/global-functions +++ b/global-functions @@ -10,7 +10,7 @@ :local 0 "global-functions"; # expected configuration version -:global ExpectedConfigVersion 81; +:global ExpectedConfigVersion 82; # global variables not to be changed by user :global GlobalFunctionsReady false; diff --git a/netwatch-notify b/netwatch-notify index 45b0c76..a725fc3 100644 --- a/netwatch-notify +++ b/netwatch-notify @@ -12,6 +12,7 @@ :global NetwatchNotify; +:global EitherOr; :global IfThenElse; :global IsDNSResolving; :global LogPrintExit2; @@ -21,9 +22,10 @@ :global SymbolForNotification; :local NetwatchNotifyHook do={ - :local Name [ :tostr $1 ]; - :local Type [ :tostr $2 ]; - :local Hook [ :tostr $3 ]; + :local Name [ :tostr $1 ]; + :local Type [ :tostr $2 ]; + :local State [ :tostr $3 ]; + :local Hook [ :tostr $4 ]; :global LogPrintExit2; :global ValidateSyntax; @@ -32,15 +34,18 @@ :do { [ :parse $Hook ]; } on-error={ - $LogPrintExit2 warning $0 ("The " . $Type . "-hook for host " . $Name . " failed to run.") false; + $LogPrintExit2 warning $0 ("The " . $State . "-hook for " . $Type . " '" . $Name . \ + "' failed to run.") false; :return ("The hook failed to run."); } } else={ - $LogPrintExit2 warning $0 ("The " . $Type . "-hook for host " . $Name . " failed syntax validation.") false; + $LogPrintExit2 warning $0 ("The " . $State . "-hook for " . $Type . " '" . $Name . \ + "' failed syntax validation.") false; :return ("The hook failed syntax validation."); } - $LogPrintExit2 info $0 ("Ran hook on host " . $Name . " " . $Type . ": " . $Hook) false; + $LogPrintExit2 info $0 ("Ran hook on " . $Type . " '" . $Name . "' " . $State . ": " . \ + $Hook) false; :return ("Ran hook:\n" . $Hook); } @@ -54,16 +59,17 @@ $ScriptLock $0; :set NetwatchNotify [ :toarray "" ]; } -:foreach Host in=[ /tool/netwatch/find where comment~"notify" disabled=no ] do={ +:foreach Host in=[ /tool/netwatch/find where comment~"notify" !disabled ] do={ :local HostVal [ /tool/netwatch/get $Host ]; + :local Type [ $IfThenElse ($HostVal->"type" ~ "^(http-get|tcp-conn)\$") "service" "host" ]; :local HostInfo [ $ParseKeyValueStore ($HostVal->"comment") ]; :if ($HostInfo->"notify" = true && $HostInfo->"disabled" != true) do={ - :local HostName ($HostInfo->"hostname"); + :local Name [ $EitherOr ($HostInfo->"name") ($HostVal->"name") ]; :local Metric { "count"=0; "notified"=false }; - :if ([ :typeof ($NetwatchNotify->$HostName) ] = "array") do={ - :set $Metric ($NetwatchNotify->$HostName); + :if ([ :typeof ($NetwatchNotify->$Name) ] = "array") do={ + :set $Metric ($NetwatchNotify->$Name); } :if ([ :typeof ($HostInfo->"resolve") ] = "str") do={ @@ -71,16 +77,18 @@ $ScriptLock $0; :do { :local Resolve [ :resolve ($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; + $LogPrintExit2 info $0 ("Name '" . $HostInfo->"resolve" . [ $IfThenElse \ + ($HostInfo->"resolve" != $HostInfo->"name") ("' for " . $Type . " '" . \ + $HostInfo->"name") "" ] . "' 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; + $LogPrintExit2 warning $0 ("Resolving name '" . $HostInfo->"resolve" . [ $IfThenElse \ + ($HostInfo->"resolve" != $HostInfo->"name") ("' for " . $Type . " '" . \ + $HostInfo->"name") "" ] . "' failed.") false; :set ($Metric->"resolve-failed") true; } } @@ -90,17 +98,21 @@ $ScriptLock $0; :if ($HostVal->"status" = "up") do={ :local Count ($Metric->"count"); :if ($Count > 0) do={ - $LogPrintExit2 info $0 ("Host " . $HostName . " (" . $HostVal->"host" . ") is up.") false; + $LogPrintExit2 info $0 ("The " . $Type . " '" . $Name . "' (" . $HostVal->"host" . \ + ") is up.") false; :set ($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") . "."); + :local Message ("The " . $Type . " '" . $Name . "' (" . $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") ]); + :set Message ($Message . "\n\n" . [ $NetwatchNotifyHook $Name $Type "up" \ + ($HostInfo->"up-hook") ]); } $SendNotification2 ({ origin=$0; \ - subject=([ $SymbolForNotification "white-heavy-check-mark" ] . "Netwatch Notify: " . $HostName . " up"); \ + subject=([ $SymbolForNotification "white-heavy-check-mark" ] . "Netwatch Notify: " . \ + $Name . " up"); \ message=$Message }); } :set ($Metric->"notified") false; @@ -119,32 +131,39 @@ $ScriptLock $0; :set Parent ($HostInfo->"parent"); :local ParentNotified false; :while ($ParentNotified = false && [ :len $Parent ] > 0) do={ - :set ParentNotified [ $IfThenElse (($NetwatchNotify->$Parent->"notified") = true) true false ]; + :set ParentNotified [ $IfThenElse (($NetwatchNotify->$Parent->"notified") = true) \ + true false ]; :if ($ParentNotified = false) do={ :set Parent ($NetwatchNotify->$Parent->"parent"); } } $LogPrintExit2 [ $IfThenElse ($HostInfo->"no-down-notification" != true) info debug ] $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"); + ("The " . $Type . " '" . $Name . "' (" . $HostVal->"host" . ") is down for " . \ + $Metric->"count" . " checks, " . [ $IfThenElse ($ParentNotified = false) [ $IfThenElse \ + ($Metric->"notified" = true) ("already notified.") ($Count - $Metric->"count" . \ + " to go.") ] ("parent " . $Type . " " . $Parent . " is down.") ]) false; + :if ((($Count * 2) - ($Metric->"count" * 3)) / 2 = 0 && \ + [ :typeof ($HostInfo->"pre-down-hook") ] = "str") do={ + $NetwatchNotifyHook $Name $Type "pre-down" ($HostInfo->"pre-down-hook"); } - :if ($ParentNotified = false && $Metric->"count" >= $Count && $Metric->"notified" != true) do={ - :local Message ("Host " . $HostName . " (" . $HostVal->"host" . ") is down since " . $HostVal->"since" . "."); + :if ($ParentNotified = false && $Metric->"count" >= $Count && \ + $Metric->"notified" != true) do={ + :local Message ("The " . $Type . " '" . $Name . "' (" . $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 Message ($Message . "\n\n" . [ $NetwatchNotifyHook $Name $Type "down" \ + ($HostInfo->"down-hook") ]); } :if ($HostInfo->"no-down-notification" != true) do={ $SendNotification2 ({ origin=$0; \ - subject=([ $SymbolForNotification "cross-mark" ] . "Netwatch Notify: " . $HostName . " down"); \ + subject=([ $SymbolForNotification "cross-mark" ] . "Netwatch Notify: " . \ + $Name . " down"); \ message=$Message }); } :set ($Metric->"notified") true; } } - :set ($NetwatchNotify->$HostName) { + :set ($NetwatchNotify->$Name) { "count"=($Metric->"count"); "notified"=($Metric->"notified"); "parent"=($Metric->"parent");