Application Definitions Composer Components

Overview of application definition composer components.

To launch the App Composer, click your user profile and select App Composer.

The main panels of the App Composer are:
  • Applications panel displays a list of user defined app defs.
  • Compose panel enables you to define the components of the app def
  • Preview & Test panel displays the Job Submission form for the app def.

Application Definitions Composer
Figure 1. Application Definitions Composer

Applications Panel

The Applications panel provides all the application definitions that is created using the App Composer. The application definitions listed can be edited, published, shared, and cloned. The application definition can be published to admin to make it a global app def and removed if it is no longer required.

Applications Panel
Figure 2. Applications Panel

The indicates that it is a shared application definition.

The indicates that it is a global application definition which is published and available to all the users.

Compose Panel

The application definitions composer builder provides the following:
  • Starter templates to compose application definitions - choose basic MPI or SMP based template for your solver. If you are creating remote desktop application definitions, then choose a Desktops-Linux or Desktops-Windows template based on the target Operating System (Windows or Linux).

    Starter Templates
    Figure 3. Starter Templates
  • Common parameters for all the template - the following are some of the common parameters:
    • Application Name and Icon
    • Input File Types - associated with the application definitions that is created
    • Output File Types
    • Pre and Post Scripts - specify Pre and Post python script that can be run before and after the job is executed respectively. The editor supports syntax highlighting and code completion.

      Script Editor
      Figure 4. Script Editor
    • Executable Commands - specify the command to run the application definition executable. The syntax of shell script commands can be used. Multi line commands are also supported. Click to get a list of parameters which can be used to build the executable commands.

      Parameters List
      Figure 5. Parameters List

    Common Parameters
    Figure 6. Common Parameters
  • Parameters based on the template - these parameters for the application definition are defined by the selected starter template. Some of the parameters are Walltime, Number of Cores, Input File, Additional Files, GPUs, Memory and so on.

    Variable Parameters
    Figure 7. Variable Parameters
    You can view or manage the list of parameters by clicking Manage Parameters.

    Manage Parameters
    Figure 8. Manage Parameters

    You can move the parameters from Available Parameters to Selected Parameters using and buttons. Rearrange the order of the parameters in the Selected Parameters column using and buttons. The Job Submission form will display the parameters in the same order.

    Specify if the variable parameter is an optional or required field. By default, only the required are displayed in the Job Submission form. You can also set default value for these parameters.

    Required or Optional Parameters
    Figure 9. Required or Optional Parameters

Preview and Test Panel

The Preview and Test panel displays the job submission form for the app def. You can edit in the Compose form and review the changes in the Preview & Test panel.

Preview and Test
Figure 10. Preview and Test
The Preview and Test panel also provides the Job Submission Command that is used to submit the job in PBS along with the Solver Launch Command.

Job Submission Command and Solver Launch Command
Figure 11. Job Submission Command and Solver Launch Command

By default, only the required fields are displayed. Move the toggle switch to the right to display all available application arguments.

Tooltip displays the description of the application arguments when you mouseover the argument field.

Click Reset at the top right-hand corner of the Job Submission Form to reset the values of application arguments.

Fill the required arguments in the Job Submission form and click Submit & Test. The job is submitted and a notification is displayed providing the status of the job.