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· Jun 29, 2020

Calling Custom Sensors using ZPM

#API #Monitoring #InterSystems IRIS

Hi, 

During the implementation of iris-history-monitor using ZPM, I'm bumping on the following scenario:

My Installer.cls has a call for the Custom Sensors Class method.  The Custom information looks like a charm as I described in this article: 

IRIS History Monitor using custom built-in REST API /api/monitor/metrics

But, now I'm trying to replicate the same behavior using the module.xml to work with ZPM.

<?xml version="1.0" encoding="UTF-8"?>
<Export generator="Cache" version="25">
  <Document name="iris-history-monitor.ZPM">
    <Module>
      <Name>iris-history-monitor</Name>
      <Version>1.2.2</Version>
      <Packaging>module</Packaging>
      <SourcesRoot>src</SourcesRoot>
      <Resource Name="diashenrique.historymonitor.dashboard.PKG"/>
      <Resource Name="diashenrique.historymonitor.util.PKG"/>
      <Invokes>
        <Invoke Class="diashenrique.historymonitor.util.customSensors" Method="CustomApplicationMetrics"></Invoke>
        <Invoke Class="diashenrique.historymonitor.util.Favorite" Method="%AddFavorite">
          <Arg>HistoryMonitor</Arg>
          <Arg>/csp/irismonitor/dashboard.csp</Arg>
        </Invoke>
      </Invokes>
      <CSPApplication
        Url="/csp/irismonitor"
        Path="/src/csp"
        Directory="{$cspdir}/irismonitor"
        ServeFiles="1"
        Recurse="1"
        CookiePath="/csp/irismonitor"
        UseCookies="2"
        MatchRoles=":%DB_${Namespace}"
        PasswordAuthEnabled="1"
        UnauthenticatedEnabled="0"
       />
    </Module>
  </Document>
</Export>

 

The ClassMethod to create the Custom Sensors: 

ClassMethod CustomApplicationMetrics() As %Status
{
    Set oldNamespace = $Namespace
    New $Namespace
    Set $Namespace = "%SYS"     
    Set status = ##class(SYS.Monitor.SAM.Config).AddApplicationClass("diashenrique.historymonitor.util.customSensors",oldNamespace)
    Quit status
}

I don't think it's a ZPM problem because the second Invoke works fine and I have a link favorite added to the IRIS Management Portal.

I didn't get any error.

Did anyone face this situation before?

Thanks

Discussion (4)2
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Henrique Dias · Jun 29, 2020

I can put a few globals to tracing the method execution. But I'm (almost laugh) sure that the method was invoked.

The only difference between the Installer ClassMethod e the ClassMethod that I'm invoking during the ZPM installation is a Namespace Name. 

Installer

ClassMethod CustomApplicationMetrics() As %Status
{
  New $Namespace
  Set $Namespace = "%SYS"   
  Set status = ##class(SYS.Monitor.SAM.Config).AddApplicationClass("diashenrique.historymonitor.util.customSensors","IRISMONITOR")
  
  Quit status
}

Invoked during ZPM install 

ClassMethod CustomApplicationMetrics() As %Status
{
    Set oldNamespace = $Namespace
    New $Namespace
    Set $Namespace = "%SYS"     
    Set status = ##class(SYS.Monitor.SAM.Config).AddApplicationClass("diashenrique.historymonitor.util.customSensors",oldNamespace)     
    Quit status
}

I also executed this line on the terminal on USER Namespace, after I installed the ZPM package.

Set status = ##class(SYS.Monitor.SAM.Config).AddApplicationClass("diashenrique.historymonitor.util.customSensors",oldNamespace)

 But, nothing happened. So, I started to doubt myself and wondering if I'm doing something wrong.

 
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