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  • a JobScheduler AgentBatchInstaller job and
  • a JobScheduler universal_agent_installer job chain.

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  • batch_installer_config_file.xml and 
  • yade_agent_batch_installer_settings.xml 

The AgentBatchInstaller job is responsible  job is a standalone job that is responsible for creating the JobScheduler orders for the job universal_agent_installer job chain. Each of these orders is named according to the pattern <host>:<port> to convey the host and port of the server where each Agent is to be installed. 

The universal_agent_installer job chain 

The universal_agent_installer job chain has four job nodes configured in series as follows:

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  • CheckPreRequisite
    • Check for the correct Java version
    • Check whether a JobScheduler Universal Agent already has been installed.
      • If yes, then the Installer:
        • shuts down any instances that are possibly running
        • removes the installation
  • Sync: Wait until all prerequisites have been checked and all instances shut down.
    Display feature availability
    EndingWithRelease1.12
  • TransferInstallationSetup: Transfer Transfers the installer files to the host
    • Before the transfer starts, the preprocessor will create the instance start script from the template jobscheduler_agent_instance_script.txt
    • The files that are to be transferred are specified with the <globals><transfer><file_spec=".*\.(sh|gz)$"> configuration element

      • This regular expression causes the following files to be transferred:
        • the JobScheduler Universal Agent installer files: jobscheduler_unix_universal_agent.<version>.tar.gz
        • the instance start script: jobscheduler_agent_<port>.sh
        • the installation script: jobscheduler_universal_agent_install.sh
  • PerformInstall: Start Starts the installation using SSH.
    • The step before transferred installation script will be executed
    • The installation script installs and starts the JobScheduler Universal Agent
    • Finally the post-processing commands will be executed
      • The post-processing commands are specified with the <installation><postprocessing><command> element
      • Three commands will be executed:
        • if you require additional commands, please add the call in the PerformInstall job
      • The default commands set up the autostart for JobScheduler Universal Agent on a Linux server (Ubuntu distribution)
        • echo ${ssh.sudo_password} | sudo -S cp ${install_path}/bin/jobscheduler_agent.sh /etc/init.d/jobscheduler
        • echo ${ssh.sudo_password} | sudo -S update-rc.d jobscheduler defaults

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