zookeeper 手动T掉已挂节点

zjtest7-redis:/root/zk# cat test_zk.pl
use ZooKeeper;
use AnyEvent;
use AE;
use Data::Dumper;
use IO::Socket;
     sub check_port {
                      my $server='120.55.118.6';
                      my $port=shift;
                              $sock = IO::Socket::INET->new(PeerAddr => $server,
                              PeerPort => $port,
                              Proto => 'tcp');
                             if ($sock)
                                {return 1}
                             else
                                {return 0 };
                   }; 
 
    my @port=(2181,2182,2183);
    @zk_port=();
    foreach $port  (@port){
       my $result =&check_port($port);
       if ($result == 1){ push  (@zk_port,$port)};
                 };
    print "\@zk_port is @zk_port\n"; 
 
    my @ip_list=();
    if (scalar(@zk_port)==3){
     print "333333333333333333333333\n";
     $zk = ZooKeeper->new(hosts => '120.55.118.6:2181,120.55.118.6:2182,120.55.118.6:2183') ;
     };
 
    if (scalar(@zk_port)==2){
         print "22222222222222222\n";
         $zk = ZooKeeper->new(hosts => "120.55.118.6:$zk_port[0],120.55.118.6:$zk_port[1]");
   };
   #my $zk = ZooKeeper->new(hosts => '120.55.118.6:2182,120.55.118.6:2183') ;
    print "--------------------\n";
    eval {
    my $stat = $zk->exists('/mysql/0001');
    if  ($stat){
         $mysql_ip =   $zk->get('/mysql/0001');
         print $mysql_ip."\n";
             }
         else{
            $mysql_ip =   $zk->get('/mysql/0002');
            print $mysql_ip."\n";
             };
 
     use DBI;
     my $database='zjzc';
     my $user="zjzc_app";
     my $passwd="1234567";
     my @arr2=();
     my $dbh  = DBI->connect("dbi:mysql:database=$database;host=$mysql_ip;port=3306",$user,$passwd,{
                          RaiseError => 1,
                          AutoCommit => 0
                           } ) or die "can't connect to database ". DBI-errstr;
    my $hostSql = qq{select  id,name from scan; };
    my ($a1, $a2, $a3,$a4,$a5,$a6,$a7,$a8,$a9);
    my $selStmt = $dbh->prepare($hostSql);
    $selStmt->execute();
    $selStmt->bind_columns(undef, \$a1, \$a2);
    $selStmt->execute();
    while( $selStmt->fetch() )
         { push (@arr2, "$a1  $a2  $a3\n" );
         };
        print "\@arr2 is @arr2\n";
        $dbh->disconnect;
        };
zjtest7-redis:/root/zk# perl test_zk.pl
@zk_port is 2182 2183
22222222222222222
--------------------
192.168.32.6
@arr2 is 1  aaabbb
 2  cccddeqe
 2  cccddeqe
 2  cccddeqe
 2  cccddeqe
 2  cccddeqe
 2  cccddeqe
 2  cccddeqe
 2  cccddeqe
 2  cccddeqe
 2  cccddeqe
 2  cccddeqe
 2  cccddeqe
 2  cccddeqe
 2  cccddeqe
 2  cccddeqe
 2  cccddeqe
 2  cccddeqe
 2  cccddeqe
 2  cccddeqe
 2  cccddeqe
 2  cccddeqe
 2  cccddeqe 
 
当zk 节点 比如这里2181 挂后,需要手动程序了T掉已挂节点