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• This article describes how the substitution of parameter values works in JobScheduler. It also describes how to use parameters in shell scriptscripts, API Jobs and pre- and postprocessing scripts.
• JobScheduler ships with a Monitor that performs substitution for Node Parameters:
  • The "classic" current implementation makes use of the following monitor configuration monitor:

    • <monitor name="configuration_monitor">
    <script java_class="com.sos.schedulerjitl.managedjobchainnodeparameter.configurationmonitor.ConfigurationOrderMonitorJobchainNodeSubstituteMonitor" language="java"/>
</monitor>

    • The implementation remains became available throughout with release 1.11 and will be discontinued with release 1.12.:

    • Jira
      server SOS JIRA columns key,summary,type,created,updated,due,assignee,reporter,priority,status,resolution serverId 6dc67751-9d67-34cd-985b-194a8cdc9602 key JITL-

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      EndingWithRelease1.12

      StartingFromRelease 1.

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  • The optimized "classic" implementation makes use of the following configuration monitor configuration:

    • <monitor name="configuration_monitor">
    <script java_class="com.sos.jitlscheduler.jobchainnodeparametermanaged.monitorconfiguration.JobchainNodeSubstituteMonitorConfigurationOrderMonitor" language="java"/>
</monitor>

    • The implementation becomes available remains available throughout release 1.11 and will be discontinued with release 1.12.11:

      • Jira
        server SOS JIRA columns key,summary,type,created,updated,due,assignee,reporter,priority,status,resolution serverId 6dc67751-9d67-34cd-985b-194a8cdc9602 key JITL-

      276

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        EndingWithRelease 1.12 StartingFromRelease 1.

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Substitution of parameter values by the JobScheduler

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• ${test} has been substituted to an empty value as this environment variable has not prevously previously been set.
• To access the value of the parameter in a shell script, the parameter name has to be prefixed. The default value of the prefix is:
  • SCHEDULER_PARAM_
  • This prefix can be set by the scheduler.variable_name_prefix parameter which is configured in the $scheduler_data/config/scheduler.xml file. JobScheduler has to be restarted after the value of the prefix has been changed.

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An additional substitution mechanism for jobs running in a job chain is provided by the com.sos.schedulerjitl.managedjobchainnodeparameter.configurationmonitor.ConfigurationOrderMonitorJobchainNodeSubstituteMonitor preprocessing Java class that is added as a Monitor to jobs.

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• Performance of parameter subsitution substitution is an issue:
  • 10 node parameter: 4s
  • 20 node parameter: 6s

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