JS7 JobScheduler

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Introduction

JS7 - Job Resources are a means to make variables available that can be shared by a number of jobs. Variables from Job Resources are exposed to:

  • Shell jobs from OS environment variables
  • JVM jobs from the JS7 - Job API

Job Resources are assigned a workflow to make variables available to all included jobs or they are assigned invidual jobs. When a Job Resource is updated then JS7 takes care that all Agents assigned to jobs that make use of the Job Resource will receive the updated copy of the Job Resource.

Typical use cases include:

  • to make global settings such as paths etc. available from environment variables for shell jobs.
  • to store encrypted secrets to Job Resources variables that can be decrypted by jobs. For details see JS7 - How to encrypt and decrypt.
  • to store configuration files to Job Resource variables. The JS7 will make the configuration file available from temporary files per job instance with releated Agents. Configuration files can be encrypted before being added to Job Resources, accordingly jobs can decrypt configuration files on-the-fly. On termination of the job instance temporary files are removed by JS7 Agents.

The JS7 offers to perform any operation on Job Resources by the JS7 - REST Web Service API, for details see the /inventory resource from the Technical Documentation of the REST Web Service API.

The Job Resource Update cmdlet introduced in this article can be used to create and to update variables to JS7 - Job Resources.

Job Resource Update Cmdlet

For cmdlet syntax see PowerShell CLI 2.0 - Cmdlets - Set-JS7JobResource

Examples

The following examples illustrate typical use cases.

Update Job Resource Variable

Example for Update of a Job Resource Variable
Set-JS7JobResource `
    -Path /ProductDemo/Variables/pdBusinessDate `
    -Key businessDate `
    -Value (Get-Date (Get-Date).ToUniversalTime() -Format 'yyyy-MM-dd') `
    -EnvVar 'BUSINESS_DATE'

# updates the Job Resource variable "businessDate" from the current date UTC
# receiving jobs can use the "BUSINESS_DATE" environment variable to receive the current value

Update Job Resource Variable from File

Example for Update of a Job Resource Variable
Set-JS7JobResource `
    -Path /ProductDemo/Variables/pdConfigurationData `
    -Key configurationData `
    -File ./config.ini `
    -EnvVar 'CONFIGURATION_DATA'

# updates the "configurationData" Job Resource variable from the configuration file specified
# receiving jobs use the "CONFIGURATION_DATA" environment variable that specifies the path to a temporary file holding the configuration data

Update Job Resource Variable from Encrypted Value

Example for Update of a Job Resource Variable
Set-JS7JobResource `
    -Path /ProductDemo/Variables/pdBusinessSecret `
    -Key businessSecret `
    -Value 'secret' `
    -EnvVar 'BUSINESS_SECRET' `
    -EncryptCertificatePath $env:JS7_AGENT_CONFIG_DIR/foobar.crt `
    -JavaLib $env:JS7_AGENT_HOME/lib
 
# updates the Job Resource variable "businessSecret" from the given value
# encrypts the value of the "businessSecret" variable using an Agent's certificate from the foobar.crt file
# specifies the location of the JS7 encryption libraries that ship with Agents and that are available for download if used outside of JS7 products

Update Job Resource Variable from Encrypted File

Example for Update of a Job Resource Variable
Set-JS7JobResource `
    -Path /ProductDemo/Variables/pdConfigurationDataSecret `
    -Key configurationDataSecret` `
    -File ./config.ini `
    -EnvVar 'CONFIGURATION_DATA_SECRET' `
    -EncryptCertificatePath $env:JS7_AGENT_CONFIG_DIR/foobar.crt `
    -JavaLib $env:JS7_AGENT_HOME/lib
 
# updates the "configurationDataSecret" Job Resource variable from the configuration file specified
# encryptes the content of the file using the target Agent's certificate from the foobar.crt file
# creates the additional variable "configurationDateSecret_key" and the environment variable "CONFIGURATION_DATA_SECRET_key" that both hold the encrypted symmetric key and initialization vector
# specifies the location of the JS7 encryption libraries that ship with Agents and that are available for download if used outside of JS7 products

Further Resources



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