neutronvpn/shell/src/main/java/org/opendaylight/netvirt/neutronvpn/shell/DhcpShowCommand.java

   1 /*
   2  * Copyright (c) 2016 Ericsson India Global Services Pvt Ltd. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9 package org.opendaylight.netvirt.neutronvpn.shell;
  10
  11 import static org.opendaylight.mdsal.common.api.LogicalDatastoreType.CONFIGURATION;
  12
  13 import java.util.ArrayList;
  14 import org.apache.karaf.shell.commands.Command;
  15 import org.apache.karaf.shell.console.OsgiCommandSupport;
  16 import org.opendaylight.genius.datastoreutils.SingleTransactionDataBroker;
  17 import org.opendaylight.mdsal.binding.api.DataBroker;
  18 import org.opendaylight.netvirt.dhcpservice.api.DhcpMConstants;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.DhcpConfig;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.dhcp.config.Configs;
  21 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  22 import org.slf4j.Logger;
  23 import org.slf4j.LoggerFactory;
  24
  25 @Command(scope = "vpnservice", name = "dhcp-show", description = "showing parameters for DHCP Service")
  26 public class DhcpShowCommand extends OsgiCommandSupport {
  27
  28     private static final Logger LOG = LoggerFactory.getLogger(DhcpShowCommand.class);
  29
  30     private DataBroker dataBroker;
  31     private Integer leaseDuration = null;
  32     private String defDomain = null;
  33
  34     public void setDataBroker(DataBroker broker) {
  35         this.dataBroker = broker;
  36     }
  37
  38     @Override
  39     protected Object doExecute() throws Exception {
  40         InstanceIdentifier<DhcpConfig> iid = InstanceIdentifier.create(DhcpConfig.class);
  41         DhcpConfig dhcpConfig = SingleTransactionDataBroker.syncRead(dataBroker, CONFIGURATION, iid);
  42         if (isDhcpConfigAvailable(dhcpConfig)) {
  43             leaseDuration = new ArrayList<Configs>(dhcpConfig.getConfigs().values()).get(0).getLeaseDuration();
  44             defDomain = new ArrayList<Configs>(dhcpConfig.getConfigs().values()).get(0).getDefaultDomain();
  45         } else {
  46             session.getConsole().println("DHCP Config not present");
  47             LOG.error("doExecute: DHCP Config not present");
  48         }
  49         session.getConsole().println(
  50                 "Lease Duration: " + (leaseDuration != null ? leaseDuration : DhcpMConstants.DEFAULT_LEASE_TIME));
  51         session.getConsole().println(
  52                 "Default Domain: " + (defDomain != null ? defDomain : DhcpMConstants.DEFAULT_DOMAIN_NAME));
  53         return null;
  54     }
  55
  56     private boolean isDhcpConfigAvailable(DhcpConfig dhcpConfig) {
  57         return dhcpConfig != null && dhcpConfig.getConfigs() != null
  58                 && !dhcpConfig.getConfigs().isEmpty();
  59     }
  60
  61 }