From 7b8875ea773283abffc92acc0e45a35e4224de0f Mon Sep 17 00:00:00 2001
From: linggao <linggao@8638fb3e-16cb-4fca-ae20-7b5d299a9bcd>
Date: Thu, 14 Apr 2011 19:34:11 +0000
Subject: [PATCH] snmove command honor the <xcatmaster> keyword in the networks
 table

git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@9319 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
---
 xCAT-server/lib/xcat/plugins/snmove.pm | 101 ++++++++++++++++++++++++-
 1 file changed, 100 insertions(+), 1 deletion(-)

diff --git a/xCAT-server/lib/xcat/plugins/snmove.pm b/xCAT-server/lib/xcat/plugins/snmove.pm
index ad30971c9..17d16bf80 100644
--- a/xCAT-server/lib/xcat/plugins/snmove.pm
+++ b/xCAT-server/lib/xcat/plugins/snmove.pm
@@ -306,6 +306,7 @@ sub process_request
 	# get the network info for each node
 	# $nethash{nodename}{networks attr name} = value
 	my %nethash = xCAT::DBobjUtils->getNetwkInfo(\@nodes);
+	#print Dumper(%nethash);
 	
 	# determine the xcatmaster value for the new SN
 	foreach my $node (@nodes)
@@ -593,6 +594,103 @@ sub process_request
     #
     # for both AIX and Linux systems
     #
+    # setup the default gateway if the network.gateway=xcatmaster for the node
+    my %nethash;
+    my %ipmap=();
+    my %gwhash=();
+    my $nwtab=xCAT::Table->new("networks");
+    if ($nwtab) {
+	my @tmp1=$nwtab->getAllAttribs(('net','mask','gateway','mgtifname'));
+	if (@tmp1 && (@tmp1 > 0)) {
+	    foreach my $nwitem (@tmp1) {
+		my $gw=$nwitem->{'gateway'};
+		if (!$gw) {  
+		    next; 
+		}
+		
+		chomp $gw; 
+		if ($gw ne '<xcatmaster>') {
+		    next;
+		}
+		
+		#now only handle the networks that has <xcatmaster> as the gateway
+		my $NM = $nwitem->{'mask'};
+		my $net=$nwitem->{'net'};
+		my $ifname=$nwitem->{'mgtifname'};
+		chomp $NM;
+		chomp $net;
+		chomp $ifname;
+		#print "NM=$NM, net=$net, ifname=$ifname, nodes=@nodes\n";
+		
+		# for each node - get the network info
+		foreach my $node (@nodes)
+		{
+		    # get, check, split the node IP
+		    my $IP = xCAT::NetworkUtils->getipaddr($node);
+		    chomp $IP;
+		    
+		    # check the entries of the networks table
+		    # - if the bitwise AND of the IP and the netmask gives you 
+		    #	the "net" name then that is the entry you want.
+		    if(xCAT::NetworkUtils->ishostinsubnet($IP, $NM, $net))
+		    {
+			my $newmaster=$newxcatmaster{$node};
+			my $newmasterIP;
+			if (exists($ipmap{$newmaster})) {
+			    $newmasterIP=$ipmap{$newmaster};
+			} else {
+			    $newmasterIP = xCAT::NetworkUtils->getipaddr($newmaster);
+			    chomp($newmasterIP);
+			    $ipmap{$newmaster}=$newmasterIP;
+			}
+			$nethash{$node}{'gateway'}=$newmasterIP;
+			$nethash{$node}{'net'} = $net;
+			$nethash{$node}{'mask'} = $NM;
+			$nethash{$node}{'mgtifname'} = $ifname;
+			if ($newmasterIP) {
+			    if (exists($gwhash{$newmasterIP})) {
+				my $pa=$gwhash{$newmasterIP};
+				push (@$pa, $node);
+			    } else {
+				$gwhash{$newmasterIP}=[$node];
+			    }
+			}
+		    }
+		}
+	    }
+	}
+    }
+    
+    if (keys(%gwhash) > 0) {
+	my $rsp;
+	$rsp->{data}->[0]="Setting up the default routes on the nodes."; 
+	xCAT::MsgUtils->message("I", $rsp, $callback);
+    }
+    foreach my $gw (keys %gwhash) { 
+	my $cmd="route add default gw"; #this is temporary,TODO, set perminant route on the nodes.
+	if (xCAT::Utils->isAIX()) {
+	    $cmd="route add default";
+	}
+	my $ret =
+	    xCAT::Utils->runxcmd(
+		{
+		    command => ['xdsh'],
+		    node    => $gwhash{$gw},
+		    arg     => ["-v", "$cmd $gw"],
+		},
+		$sub_req, -1, 1
+	    );
+	if ($::RUNCMD_RC != 0)
+	{
+	    $error++;
+	}
+	
+	my $rsp;
+	$rsp->{data}=$ret; 
+	xCAT::MsgUtils->message("I", $rsp, $callback);
+    }
+    
+    
     # run postscripts to take care of syslog, ntp, and mkresolvconf 
     #	 - if they are included in the postscripts table
     if (!$::IGNORE) # unless the user does not want us to touch the node
@@ -751,7 +849,7 @@ sub process_request
     
     return  $retcode;
     
-}
+    }
 
 #----------------------------------------------------------------------------
 
@@ -891,3 +989,4 @@ sub usage
     return 0;
 }
 
+