Extracting or modifying WCCM object properties

Use the wsadmin tool to extract or modify the properties of an existing WCCM (WebSphere Common Configuration Model) object.

Determine the WCCM object whose properties we want to extract.

In previous releases of the product, extracted properties only contained the most important properties of each object type. You now can extract all the properties of any WCCM object, modify the properties, and then validate and apply the modified properties to a system configuration.

To extract WCCM object properties, use the extractConfigProperties command and specify the WCCM object identifier.

The extracted WCCM object properties file is not portable among environments. If we intend to apply the properties files to installations on different operating systems, we must modify the extracted properties file to make it portable. See the topic on applying portable properties files across multiple environments.

Also, the extracted properties file does not contain nested objects. We must extract the properties of each nested object independently.

For each of the commands in this topic, we can run in interactive mode by specifying the interactive parameter:

AdminTask.command_name('-interactive')

Tasks

1. Start the wsadmin scripting tool.

   To start wsadmin using the Jython language, from the bin directory of the server profile:

   wsadmin -lang jython
   

2. Extract WCCM object properties using the createPropertiesFileTemplates command.

   For example, to extract properties for the WCCM SIBus object mySib(cells/myCell04/buses/mySib|sib-bus.xml#SIBus_1250621844296) to a file named mySIBus.props,:

   AdminTask.extractConfigProperties('mySib(cells/myCell04/buses/mySib|sib-bus.xml#SIBus_1250621844296)',
      '[-propertiesFileName mySIBus.props ]')
   

   The resulting mySIBus.props file contains extracted properties such as the following:

   #
   ResourceType=SIBus
   ImplementingResourceType=GenericType
   ResourceId=Cell=!{cellName}:SIBus=!{sibus}
   #
   
   #
   #Properties
   #
   secure=false #boolean,default(true)
   uuid=1CAE88EF49150090
   useServerIdForMediations=false #boolean,default(false)
   name=mySib
   interEngineAuthAlias=null
   …
   
   EnvironmentVariablesSection
   #
   #
   #Environment Variables
   sibus=mySib
   cellName=myCell04
   

3. Open an editor on the extracted properties file and modify the extracted properties file as needed.

   Ensure that the extracted properties file provides suitable values for required parameters.

4. Apply the properties file using the applyConfigProperties command.

   For example, to apply the mySIBus.props properties file, run following wsadmin command:

   AdminTask.applyConfigProperties('[-propertiesFileName mySIBus.props]')
   

The administrative command runs and applies the properties file.

What to do next

Save the changes to the configuration.

Applying portable properties files across multiple environments

Extracting properties files

Validate properties files

Applying properties files

Use properties files to manage system configuration

PropertiesBasedConfiguration .

Properties file syntax