OSB 11g Gradle deployment scripts

env.groovy

environments { 
    local { 
        serverName = 'localVM'
  	wls {
			adminurl = 't3://localhost:7001'
			user = 'weblogic'
			password = 'welcome1'
			targets = 'AdminServer'
			upload = 'true'
			verbose = 'true'
			debug = 'false'
		}
		osb{
			importScript = 'import.py'
			exportScript = 'export.py'
			importjar = 'export/sbconfig.jar'
			importCustomFile = 'plans/sbconfig_Customization.xml'
		}
    } 
}

osb-build.gradle

task deployToOSB (dependsOn: 'configEnv') << {  
		
	println "$System.env.WEBLOGIC_CLASSPATH"

	ant.taskdef(name: 'wlst',
		classname: 'weblogic.ant.taskdefs.management.WLSTTask',
		classpath: (configurations.weblogic + configurations.osb).asPath)
	ant.wlst(fileName: config.osb.importScript,
			debug: true ,  
			failOnError: false ,
			classpath: "$System.env.WEBLOGIC_CLASSPATH" + (configurations.weblogic + configurations.osb).asPath,
			arguments: "$config.wls.user $config.wls.password $config.wls.adminurl $project.name $config.osb.importjar $config.osb.importCustomFile")		
}

task configEnv << {	
	project.ext.config = new ConfigSlurper("$env").parse(new File('env.groovy').toURL())
	logger.lifecycle "Environment is set to $env"
}

$gradle deployToOSB -Penv=local

Hi
This script is not working for me.
Could you also please mention what environment variables needs to be configured.

If you have a working example ,please do attach

Thanks