From b0cd53f813be602edf59db2ec18e085d84fbebeb Mon Sep 17 00:00:00 2001 From: Christian Hesse Date: Fri, 19 Apr 2024 10:05:52 +0200 Subject: netwatch-notify: allow to suppress resolve failure --- doc/netwatch-notify.md | 9 +++++++++ netwatch-notify.rsc | 2 +- 2 files changed, 10 insertions(+), 1 deletion(-) diff --git a/doc/netwatch-notify.md b/doc/netwatch-notify.md index 90cd830..2db32bb 100644 --- a/doc/netwatch-notify.md +++ b/doc/netwatch-notify.md @@ -104,6 +104,15 @@ powered off, but accessibility is of interest. Go and get your coffee ☕️ before sending the print job. +### No log on failed resolve + +A message is writting to log after three failed attemts to resolve a host. +However this can cause some noise for hosts that are expected to have +failures, for example when the name is dynamically added by +[`dhcp-to-dns`](dhcp-to-dns.md). This can be suppressed: + + /tool/netwatch/add comment="notify, name=client, resolve=client.dhcp.example.com, no-resolve-fail" host=10.0.0.0; + ### Add a note in notification For some extra information it is possible to add a text note. This is diff --git a/netwatch-notify.rsc b/netwatch-notify.rsc index 0b6c366..9b0beb9 100644 --- a/netwatch-notify.rsc +++ b/netwatch-notify.rsc @@ -116,7 +116,7 @@ } } on-error={ :set ($Metric->"resolve-failcnt") ($Metric->"resolve-failcnt" + 1); - :if ($Metric->"resolve-failcnt" = 3) do={ + :if ($Metric->"resolve-failcnt" = 3 && $HostInfo->"no-resolve-fail" != true) do={ $LogPrint warning $ScriptName ("Resolving name '" . $HostInfo->"resolve" . [ $IfThenElse \ ($HostInfo->"resolve" != $HostInfo->"name") ("' for " . $Type . " '" . \ $HostInfo->"name") "" ] . "' failed."); -- cgit v1.2.3-70-g09d2