Kudu Kerberos Ticket Cache

TicketCache.java

    static KuduClient GetTicketCacheClient() {
        Subject subject = SecurityUtil.getSubjectFromTicketCacheOrNull();
        if (subject == null) {
            System.out.println("Subject not available from ticket cache");
            System.exit(1);
        }
        KuduClient client = null;
        try {
            client = Subject.doAs(subject, new PrivilegedExceptionAction<KuduClient>() {
                public KuduClient run() throws Exception {
                    return new KuduClientBuilder("bankim-b-1.gce.cloudera.com:7051").build();
                }
            });
        } catch (Exception ex) {
            System.out.println("Error in ticket cache: " + ex.getMessage());
        }
        return client;
    }

    public static void main(String[] args) {
        KuduClient client = GetTicketCacheClient();
        ListTables(client);
    }