vpnservice/bgpmanager/bgpmanager-impl/src/main/java/org/opendaylight/netvirt/bgpmanager/commands/Network.java

   1 /*
   2  * Copyright (c) 2015 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.bgpmanager.commands;
  10
  11 import org.apache.karaf.shell.commands.*;
  12 import org.apache.karaf.shell.console.OsgiCommandSupport;
  13 import org.opendaylight.netvirt.bgpmanager.BgpManager;
  14 import org.opendaylight.netvirt.bgpmanager.api.RouteOrigin;
  15 import org.opendaylight.netvirt.bgpmanager.thrift.gen.qbgpConstants;
  16 import org.slf4j.Logger;
  17 import org.slf4j.LoggerFactory;
  18
  19 import java.util.List;
  20
  21 @Command(scope = "odl", name = "bgp-network",
  22          description = "Add or delete BGP static routes")
  23 public class Network extends OsgiCommandSupport {
  24     private static final String RD = "--rd";
  25     private static final String PFX = "--prefix";
  26     private static final String NH = "--nexthop";
  27     private static final String LB = "--label";
  28
  29     static final Logger LOGGER = LoggerFactory.getLogger(Network.class);
  30     @Argument(name="add|del", description="The desired operation",
  31               required=true, multiValued = false)
  32     private String action = null;
  33
  34     @Option(name=RD, aliases={"-r"},
  35             description="Route distinguisher",
  36             required=false, multiValued=false)
  37     private String rd = null;
  38
  39     @Option(name=PFX, aliases={"-p"},
  40             description="prefix/length",
  41             required=false, multiValued=false)
  42     private String pfx = null;
  43
  44     @Option(name=NH, aliases={"-n"},
  45             description="Nexthop",
  46             required=false, multiValued=true)
  47     private List<String> nh = null;
  48
  49     @Option(name=LB, aliases={"-l"},
  50             description="Label",
  51             required=false, multiValued=false)
  52     private String lbl = null;
  53
  54     private RouteOrigin staticOrigin = RouteOrigin.STATIC;
  55
  56     private Object usage() {
  57         System.err.println(
  58             "usage: bgp-network ["+RD+" rd] ["+PFX+" prefix/len] ["
  59             +NH+" nexthop] ["+LB+" label] <add|del>");
  60         return null;
  61     }
  62
  63     @Override
  64     protected Object doExecute() throws Exception {
  65         if (!Commands.bgpRunning()) {
  66             return null;
  67         }
  68         BgpManager bm = Commands.getBgpManager();
  69         switch (action) {
  70             case "add":
  71                 int label = qbgpConstants.LBL_EXPLICIT_NULL;
  72                 if (pfx == null ) {
  73                     System.err.println("error: "+PFX+" is needed");
  74                     return null;
  75                 }
  76                 if (nh == null) {
  77                     System.err.println("error: "+NH+" is needed");
  78                     return null;
  79                 }
  80                 //TODO: syntactic validation of prefix
  81                 for (String nextHop : nh) {
  82                     if (!Commands.isValid(nextHop, Commands.IPADDR, NH)) {
  83                         return null;
  84                     }
  85                 }
  86                 if (lbl != null) {
  87                     if (!Commands.isValid(lbl, Commands.INT, LB)) {
  88                         return null;
  89                     } else {
  90                         label = Integer.valueOf(lbl);
  91                     }
  92                 } else if (rd == null) {
  93                     System.err.println("error: "+RD+" is needed");
  94                     return null;
  95                 }
  96                 LOGGER.info("ADD: Adding Fib entry rd {} prefix {} nexthop {} label {}", rd, pfx, nh, label);
  97                 bm.addPrefix(rd, pfx, nh, label, staticOrigin);
  98                 LOGGER.info("ADD: Added Fib entry rd {} prefix {} nexthop {} label {}", rd, pfx, nh, label);
  99                 break;
 100             case "del":
 101                 if (pfx == null) {
 102                     System.err.println("error: "+PFX+" is needed");
 103                     return null;
 104                 }
 105                 if (nh != null || lbl != null) {
 106                     System.err.println("note: some option(s) not needed; ignored");
 107                 }
 108                 LOGGER.info("REMOVE: Removing Fib entry rd {} prefix {}", rd, pfx);
 109                 bm.deletePrefix(rd, pfx);
 110                 LOGGER.info("REMOVE: Removed Fib entry rd {} prefix {}", rd, pfx);
 111                 break;
 112             default:
 113                 return usage();
 114         }
 115         return null;
 116     }
 117 }