Linux SSH ID Monitoring

Pardon my ignorance, but I am fairly new to groovy. Can you please tell me if this looks ok?

import com.jcraft.jsch.JSch
import com.santaba.agent.util.Settings

host = hostProps.get("system.hostname")
user = hostProps.get("ssh.user")
pass = hostProps.get("ssh.pass")
port = hostProps.get("ssh.port")?.toInteger() ?: 22
//cert = hostProps.get("ssh.cert") ?: '~/.ssh/id_rsa'
timeout = 15000 // timeout in milliseconds
try {
        
        jsch = new JSch()
        session = jsch.getSession(user, host, port)
        session.setConfig("StrictHostKeyChecking", "no");
        String authMethod = Settings.getSetting(Settings.SSH_PREFEREDAUTHENTICATION, Settings.DEFAULT_SSH_PREFEREDAUTHENTICATION);
        session.setConfig("PreferredAuthentications", authMethod);
        if (user && pass)
          { session.connect() }
}        
    catch(Exception e) {
    System.out.println(e);
    }
    
    finally {
        session.disconnect()
    }