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netwatch-notify: allow to suppress resolve failure

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Christian Hesse
2024-04-19 10:05:52 +02:00
parent ee54956a69
commit b0cd53f813
2 changed files with 10 additions and 1 deletions
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9
doc/netwatch-notify.md
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@ -104,6 +104,15 @@ powered off, but accessibility is of interest.
Go and get your coffee ☕️ before sending the print job. 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 ### Add a note in notification
For some extra information it is possible to add a text note. This is For some extra information it is possible to add a text note. This is

2
netwatch-notify.rsc
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@ -116,7 +116,7 @@
} }
} on-error={ } on-error={
:set ($Metric->"resolve-failcnt") ($Metric->"resolve-failcnt" + 1); :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 \ $LogPrint warning $ScriptName ("Resolving name '" . $HostInfo->"resolve" . [ $IfThenElse \
($HostInfo->"resolve" != $HostInfo->"name") ("' for " . $Type . " '" . \ ($HostInfo->"resolve" != $HostInfo->"name") ("' for " . $Type . " '" . \
$HostInfo->"name") "" ] . "' failed."); $HostInfo->"name") "" ] . "' failed.");