netwatch-notify: make check count threshold configurable

Signed-off-by: Christian Hesse <mail@eworm.de>

2 files changed, 8 insertions, 2 deletions

diff --git a/doc/netwatch-notify.md b/doc/netwatch-notify.md
index f2ce7b4..3fe1bca 100644
--- a/doc/netwatch-notify.md
+++ b/doc/netwatch-notify.md
@@ -35,6 +35,10 @@ comment:
 
     / tool netwatch add comment="notify, hostname=poe-device, down-hook=/ interface ethernet poe power-cycle en21;" host=10.0.0.20 timeout=5s;
 
+The count threshould (default is 5 checks) is configurable as well:
+
+    / tool netwatch add comment="notify, hostname=example.com, count=10" host=104.18.144.11 timeout=5s;
+
 Also notification settings are required for e-mail and telegram.
 
 ---
diff --git a/netwatch-notify b/netwatch-notify
index 898ca99..b52c4d1 100644
--- a/netwatch-notify
+++ b/netwatch-notify
@@ -8,8 +8,9 @@
 
 :global NetwatchNotify;
 
-:global ParseKeyValueStore;
+:global IfThenElse;
 :global LogPrintExit;
+:global ParseKeyValueStore;
 :global SendNotification;
 :global SymbolForNotification;
 
@@ -45,7 +46,8 @@
     :set ($Metric->"count") ($Metric->"count" + 1);
     $LogPrintExit info ("Host " . $HostName . " (" . $HostVal->"host" . ") is down for " . \
       $Metric->"count" . " checks.") false;
-    :if ($Metric->"count" >= 5 && $Metric->"notified" != true) do={
+    :if ($Metric->"count" >= [ $IfThenElse ([ :typeof ($HostVal->"count") ] != "nothing") ($HostVal->"count") 5 ] && \
+         $Metric->"notified" != true) do={
       $SendNotification ([ $SymbolForNotification "cross-mark" ] . "Netwatch Notify: " . $HostName . " down") \
         ("Host " . $HostName . " (" . $HostVal->"host" . ") is down since " . $HostVal->"since" . ".");
       :set ($Metric->"notified") true;