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install_hadoop.pl
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install_hadoop.pl
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#! /usr/bin/perl
#安装依赖
#yum -y install mysql mysql-server mysql-devel
#cpan install DBI
#cpan install DBD::mysql
#cpan install Expect;
#yum install perl-DBD-mysql
use 5.010;
use Time::HiRes qw(gettimeofday);
use Expect;
#use UUID::Random;
use File::Basename;
use ConfigUtil;
use DBUtil;
use LogUtil;
#http://www.th7.cn/system/lin/201402/50472.shtml
my $log = new LogUtil(FH,'> install.log');#获取日志句柄
my $config = new ConfigUtil(DB,'< db.properties',$log);#读取配置文件
my $db = new DBUtil($config,$log);#获取数据库连接句柄
#my $perl_install_dir = $config->get('perl_install_dir');#perl安装bin目录
#my $hadoop_install_dir = $config->get('hadoop_install_dir');#hadoop默认安装目录
#my $global_hadoop_user = $config->get('global_hadoop_user');#hadoop用户
#my $os_hadoop_pass = $config->get('os_hadoop_pass');#hadoop用户密码
#my $global_hive_port = $config->get('global_hive_port');#hive端口号
#my $install_template_dir = $config->get('install_template_dir');#模版文件所在目录
#my $os_root_pass = $config->get('os_root_pass');#系统root用户密码
#my $app_install_dir = $config->get('app_install_dir');#安装程序所在目录
#my $remote_upload_dir = $config->get('remote_upload_dir');#远程上传临时目录
#my $java_install_dir = $config->get('java_install_dir');#java安装目录
#my $global_hostname_prefix = $config->get('global_hostname_prefix');#节点hostname的前缀
my $perl_install_dir = '/usr/local/perl';#perl安装bin目录
my $hadoop_install_dir = '/usr/local/bigdata';#hadoop默认安装目录
my $global_hadoop_user = 'hadoop';#hadoop用户
my $os_hadoop_pass = 'ikang';#hadoop用户密码
my $global_hive_port = '55550';#hive端口号
my $os_root_pass = 'ikang';#系统root用户密码
my $app_install_dir = '/root/software';#安装程序所在目录
my $install_template_dir = "$app_install_dir/conf";#模版文件所在目录
my $remote_upload_dir = '/tmp';#远程上传临时目录
my $java_install_dir = '/usr/local/jvm';#java安装目录
my $global_hostname_prefix = 'bigdata-';#节点hostname的前缀
my $hadoop_dir_name = 'hadoop-2.6.0';#hadoop文件目录名
my $hadoop_install_name = 'bigdata_install_hadoop.tar.gz';#使用的Hadoop文件名
my $jdk_install_name = 'bigdata_install_jdk.tar.gz';#使用的JDK文件名
my $zk_install_name = 'bigdata_install_zookeeper.tar.gz';#使用的zk文件名
my $bigdata_tmpfile = '/root/bigdata/bigdata_tmp';
#***********************全局变量定义开始**************************************
my $sequence = 1000;#主机hostname序列
my $cluster = 1;#group组自增序列（Hadoop HA 特性）
my $alices = 1;#别名自增序列（Hadoop HA 特性,NameNode别名）
my $zk_server = 0;#zookeeper自增序列
#active与standby的划分实际上是由zk决定的
my @active_nn = ();#保存所有的activeNameNode的hostname
my @active_nn_ip = ();#保存所有的activeNameNode的ip 启动时用
my @standby_nn = ();#保存所有的standbyNameNode的hostname
my @standby_nn_ip = ();#保存所有的standbyNameNode的ip 启动时用
my @start_param = ();#hadoop和yarn启动参数
my @result_array = ();
my @name_services = ();#保存所有的dfs.nameservices
my $jn_ip = undef;
my $jn_ip_array = [];
my $job_history_ip = undef;#启动hadoop集群用
my $job_history_hostname = undef;
my $resource_manager_ip = undef;#启动hadoop集群用
my $resource_manager_hostname = undef;
my $hive_ip = undef; # hive所在机器ip
my $hive_hostname = undef;#hive所在机器域名
#***********************全局变量定义结束**************************************
#***********************数据结构定义开始**************************************
#存放所有应用的数组
my @service = [];
my $hash_ip={
ips => {
#192.168.10.13[6-9] => undef,
#192.168.10.13[6-8] => undef,
#192.168.10.13[6-8] => undef,
},
ip => {#集群所有去重后的ip
#192.168.10.136 => undef,
#192.168.10.137 => undef,
#192.168.10.137 => undef,
},
localhost => undef,#当前机器ip
};
my $data = {
#服务信息
service => {
#Hadoop => [NameNode,DataNode,JournalNode],
#HBase => [...],
},
#节点信息
nodeinfo => {
#Hadoop_NameNode => {
# ip => '192.168.10.13.[6-9] 192.168.22.140 192.168.11.140',#支持多个空格分割的ip
# user => root,
# passwd => limengyu,
# port => 22,
# nodetype => Hadoop,
# nodename => NameNode,
#}
},
app_ips => {
#Hadoop => {
#192.168.10.130 => host001, #去重后的ip、主机名映射
#192.168.10.131 => host002,
#},
}
};
my %all_ip_hostname = ();
#***********************数据结构定义结束*****************************************
#初始化数据结构
sub init{
#查询出所有的父节点
my $table = $db->execute("select id,name from bigdata_node_type where pid = 0 order by id asc;");
init_data_service($table,0,undef);
#my @keys = keys $data->{service};
#foreach $item(@keys){
foreach my $item(@$service){
$table = $db->execute("select ip,port,user,passwd,node_type,node_name".
" from bigdata_ssh_info".
" where node_type = '$item' and install_status = 0;");
init_data_nodeinfo($table);
}
#获取当前机器ip
# my $ip = `ifconfig eth0|grep -oE '([0-9]{1,3}\.?){4}'|head -n 1`;
# if ($ip) {
# $hash_ip->{localhost}=$ip;
# }
}
#递归获取server服务
#$table结果集
#$type=0代表父节点
#$p_name=父类名称
sub init_data_service{
my ($table,$type,$p_name) = @_;
foreach my $row (@$table) {
my $id = $row->[0];
my $name = $row->[1];
$log->info("--------------$id------$name------$p_name--------");
if (!$type) {
#父节点
$data->{service}->{$name} = [];
push(@$service,$name);
my $son_table = $db->execute("select id,name from bigdata_node_type where pid = ".$id." order by id asc");
init_data_service($son_table,1,$name);
}else{
#p_name:Hadoop name:NameNode
push($data->{service}->{$p_name},$name);
}
}
}
#获取nodeinfo服务
sub init_data_nodeinfo{
my $table = shift;
foreach $row (@$table) {
my $ip = $row->[0];
my $port = $row->[1];
my $user = $row->[2];
my $passwd = $row->[3];
my $node_type = $row->[4];
my $node_name = $row->[5];
$hash_ip->{ips}->{$ip} = undef;#?
$data->{nodeinfo}->{$node_type."_".$node_name}{ip} = $ip;
$data->{nodeinfo}->{$node_type."_".$node_name}{port} = $port;
$data->{nodeinfo}->{$node_type."_".$node_name}{user} = $user;
$data->{nodeinfo}->{$node_type."_".$node_name}{passwd} = $passwd;
$data->{nodeinfo}->{$node_type."_".$node_name}{node_type} = $node_type;
$data->{nodeinfo}->{$node_type."_".$node_name}{node_name} = $node_name;
if (ref($data->{app_ips}->{$node_type}) ne "HASH") {
$data->{app_ips}->{$node_type} = {};
}
if ($ip) {
my $ip_array = parse_ips($ip);#解析ip字符串成数组
foreach $item (@$ip_array) {
unless (exists($data->{app_ips}->{$node_type}{$item})) {
#配置主机ip和主机域名的映射
if (exists $all_ip_hostname{$item}) {
$data->{app_ips}->{$node_type}->{$item} = $all_ip_hostname{$item};
}else{
my $currhostname = $global_hostname_prefix.++$sequence;
$all_ip_hostname{$item} = $currhostname;
$data->{app_ips}->{$node_type}->{$item} = $all_ip_hostname{$item};
}
}
}
}
}
}
#执行命令（应用名称、执行的命令、命令描述）
sub exec_command{
my ($appname,$command,$desc) = @_;
$log->info("开始执行应用<$appname>的命令<$desc>：".$command);
my $obj = Expect->spawn($command) or $log->info("Expect Couldn't exec command:$command.");
#$obj->exp_internal(1);
my ($pos,$err,$match,$before,$after) = $obj->expect(10,
[ qr/Password:/i,
sub{ my $self = shift; $self->send("$os_root_pass\r"); exp_continue;}
]
);
$obj->soft_close();
$log->info("完成执行应用<$appname>的命令<$desc>：");
}
#执行命令（应用名称、执行的命令、命令描述）
sub exec_commands{
my ($appname,$command,$desc) = @_;
$log->info("开始执行应用<$appname>的命令<$desc>：".$command);
my $command_exec = `$command`;
$log->info("完成执行应用<$appname>的命令<$desc>：".$command_exec);
}
#打印哈希
sub print_hash{
my $hash = shift;
while (($k, $v) = each %$hash) {
say "$k =>";
if (ref($v) eq 'HASH') {
while (($x, $y) = each %$v) {
if (ref($y) eq 'HASH') {
say "\t$x => ";
while (($z, $x) = each %$y) {
if (ref($x) eq 'HASH') {
say "\t\t$z => ";
}else{
say "\t\t$z => $x";
}
}
}else{
foreach $item (@$y) {
say "\t$x => $item";
}
}
}
}else{
say "\t$k => $v";
}
}
}
#打印数组service
sub print_service{
my ($name,$array) = @_;
say "数组$name：----->";
foreach my $item (@$array) {
if (ref($item) eq "ARRAY") {
say "子数组：----->";
print_service("",$item);
}else{
say "\t$item";
}
}
}
#修改某个用户的配置文件（.bashrc_profile）
#参数如：hadoop,'192.168.10.140 192.168.10.14[2-3] 192.168.10.144',
#$app_hash = {
# 'HIVE_HOME' => $hadoop_install_dir/hive,
# 'HADOOP_HOME' => $hadoop_install_dir/hadoop,
#}
#/usr/local/perl/bin/atnodes -u hadoop 'cat ~/.bash_profile' 192.168.98.57 192.168.99.92 192.168.98.201
#/usr/local/perl/bin/tonodes -u hadoop -L .bash_profile 192.168.98.57 192.168.99.92 192.168.98.201:/home/hadoop/.bash_profile
sub update_bashrc_profile{
my ($username,$ipstr,$app_hash) = @_;
my $targetfile = "/home/$username/.bash_profile";
my @path_array = ();
if (ref($app_hash) eq 'HASH') {
while (my ($app_home,$app_path) = each %$app_hash) {
#1.清理$APP_HOME、添加$APP_HOME
#my $update_home_command = "/bin/sed -i -e '/$app_home=/d' -e '/PATH=/i export $app_home=$app_path' $targetfile;";
my $update_home_command = $perl_install_dir."/bin/atnodes -L -w -u $username \"/bin/sed -i -e '/$app_home=/d' -e '/PATH=/i export $app_home=$app_path' $targetfile;\" $ipstr";
exec_command("未知",$update_home_command,"修改配置文件$targetfile");
if ($app_home =~ m/[A-Z]+_HOME$/g) {
push(@path_array,":\\\${$app_home}\\\/bin");
}
}
#在每个节点上执行sed替换并添加:${APP_HOME}/bin
foreach my $app_home(@path_array) {
my $config_bashrc_command = $perl_install_dir."/bin/atnodes -w -L -u $username '/bin/sed -i -e \"s/$app_home//g\" -e \"/PATH=/s/\\\$/$app_home/\" $targetfile;source $targetfile;' $ipstr";
exec_command("未知",$config_bashrc_command,"修改配置文件(添加$app_home)$targetfile");
}
}
}
#清理jdk安装目录和/etc/profile文件
sub clean_jdk{
my ($appname,$ips) = @_;
my $clean_command = $perl_install_dir."/bin/atnodes -w -L -u root \"/bin/rm -rf ".$java_install_dir.";/bin/sed -i \"/JAVA_HOME=/d\" /etc/profile;/bin/sed -i \"/JRE_HOME=/d\" /etc/profile;/bin/sed -i \"/CLASSPATH=/d\" /etc/profile;/bin/sed -i \"/JAVA_HOME/d\" /etc/profile;/bin/sed -i \"/^\$/d\" /etc/profile;source /etc/profile;\" $ips";
exec_command($appname,$clean_command,"清理JDK");
}
#清理hadoop用户和hadoop安装目录和/host/hadoop/.bash_profile文件
sub clean_hadoop_user{
my $ips = shift;
my $clear_command = $perl_install_dir."/bin/atnodes -w -L -u root \" /usr/sbin/userdel -r $global_hadoop_user;/bin/rm -rf $hadoop_install_dir/$hadoop_dir_name;\" ".$ips;
exec_command("Hadoop",$clear_command,"清理Hadoop用户");
}
#将数组$array转换成以$flag分割字符串
#默认以空格分割
sub array2str{
my ($array,$flag) = @_;
if (ref($array) eq 'ARRAY') {
if (!$flag) {
$flag = " ";
}
return join($flag,@$array);
}
}
#创建安装目录,并且将安装文件解压到安装目录
sub init_install_dir{
my $filename = shift;
unless (-e $hadoop_install_dir) {
my $create_init_dir_command = "/bin/mkdir $hadoop_install_dir;";
my $create_init_dir_exec = `$create_init_dir_command`;
}
my $unpack_command = "/bin/tar -xzvf $app_install_dir/$filename -C $hadoop_install_dir/";
my $unpack_exec = `$unpack_command`;
}
#写k-v到某个文件
sub generate_key_value{
my ($filename,$hash) = @_;
my $command = undef;
my $command_exec = undef;
while (my ($key,$value) = each %$hash) {
$command = "/bin/echo \"$key=$value\" >> $filename";
$command_exec = `$command`;
}
}
#向本地某个文件写入数据
sub echo_native_file{
my ($file,$array) = @_;
my $command = undef;
my $command_exec = undef;
foreach my $str (@$array) {
$command = "/bin/echo \"$str\" >> $file";
$command_exec = `$command`;
}
}
#打包本地文件
#把$dir打包成$package
#pack_file('hive.tar.gz','hive');
sub pack_file{
my ($package,$dir) = @_;
my $new_pack = "cd $hadoop_install_dir;/bin/tar -zcvf $package $dir";
my $new_pack_exec = `$new_pack`;
}
#在hdfs上创建目录
sub mkdir_hdfs_dir{
my $dir_name = shift;
my $mkdir_command = $perl_install_dir."/bin/atnodes -w -L -u $global_hadoop_user '$hadoop_install_dir/bin/hadoop fs -mkdir -R $dir_name ' ".$active_nn[0];
exec_command("Hadoop",$mkdir_command,"在HDFS上创建目录");
}
#配置root用户ssh无密码登录
#$hash={ip=>hostname}
sub ssh_login_root{
my ($app_name,$ipstr) = @_;
my $ssh_command = $perl_install_dir."/bin/key2nodes -u root $ipstr";
#$log->info("--------------应用： $app_name 开始批量配置 root 用户的ssh无密码登录！--------------$ssh_command");
#my $ssh_command_exec = `$ssh_command`;
exec_command($app_name,$ssh_command,"批量配置 root 用户的ssh无密码登录");
#$log->info("--------------应用： $app_name 完成批量配置 root 用户的ssh无密码登录！--------------");
}
#sub ssh_login_root{
#my ($app_name,$ipstr) = @_;
#my $ssh_command = "su - root -c \"$perl_install_dir/bin/key2nodes -u root $ipstr\"";
#$log->info("--------------应用： $app_name 开始批量配置 root 用户的ssh无密码登录！--------------$ssh_command");
#my $obj = Expect->spawn($ssh_command) or $log->info("Couldn't exec command:$ssh_command.");
##$obj->exp_internal(1);
#my ( $pos, $err, $match, $before, $after ) = $obj->expect(10,
#[
#'connecting (yes/no)',
#sub {
#my $self = shift;
#$self->send("yes\n");
#}
#],
#[
#'Enter file in which to save the key',
#sub{
#my $self = shift;
#$self->clear_accum();
#exp_continue;
#}
#],
#[
#'Enter passphrase \\(empty for no passphrase\\): ',
#sub{
#my $self = shift;
#$self->send("\r");
#exp_continue;
#}
#],
#[
#'Enter same passphrase again: ',
#sub{
#my $self = shift;
#$self->send("\r");
#exp_continue;
#}
#],
#[ qr/[Pp]{1}assword:/i,
#sub{ my $self = shift; $self->send("$os_root_pass\r"); exp_continue;}
#]
#);
#$obj->soft_close( );
#$log->info("--------------应用： $app_name 完成批量配置 root 用户的ssh无密码登录！--------------");
#}
#配置ssh无密码登录
#$hash={ip=>hostname}
sub ssh_login{
my ($app_name,$user,$passwd,$ipstr) = @_;
my $ssh_command = "su - $user -c \"$perl_install_dir/bin/key2nodes -u $user $ipstr\"";
$log->info("--------------应用： $app_name 开始批量配置 $user 用户的ssh无密码登录！--------------$ssh_command");
my $obj = Expect->spawn($ssh_command) or $log->info("Couldn't exec command:$ssh_command.");
#$obj->exp_internal(1);
my ( $pos, $err, $match, $before, $after ) = $obj->expect(10,
[ qr/Password:/i,
sub{ my $self = shift; $self->send("$passwd\r"); exp_continue;}
]
);
$obj->soft_close( );
$log->info("--------------应用： $app_name 完成批量配置 $user 用户的ssh无密码登录！--------------");
}
#批量创建用户
#$username 创建的用户名
#$passwd 创建的用户名的密码
#$ipstr操作的节点ip
sub useradd{
my ($appname,$username,$passwd,$ipstr) = @_;
if ($username) {
$log->info("--------------应用： $app_name 开始批量创建用户！--------------");
#创建用户设置密码
my $useradd_command = $perl_install_dir."/bin/atnodes -w -L -u root \"/usr/sbin/useradd ".$username.";echo \"$passwd\" | passwd --stdin $username ;\" ".$ipstr;
exec_command($appname,$useradd_command,"批量创建\"$username\"用户");
}
}
#安装jdk #/usr/bin/java -> /etc/alternatives/java
#上传tar包，解压包，修改配置文件，测试是否安装成功
sub install_jdk{
my ($app_name,$ipstr) = @_;
$log->info("--------------应用： $app_name 开始安装JDK！--------------$ipstr");
#my $bit = `/usr/bin/getconf LONG_BIT`;
#if (!$bit) {
#$bit = "64";#默认64位
#}
#chomp($bit);
my $app_dir = $app_install_dir."/$jdk_install_name";#安装包所在目录
my $upload_dir = $remote_upload_dir."/$jdk_install_name";#远程上传目录
#my $java_bin = `which java`;
#if ($java_bin !~ m#/usr/bin/java#) {#如果不存在
my $java_bin = "/usr/bin/java";
#}
#chomp($java_bin);
#上传
my $upload_command = $perl_install_dir."/bin/tonodes -w -L $app_dir -u root \"$ipstr\":$remote_upload_dir/";
exec_commands($app_name,$upload_command,"分发上传JDK文件");
#解压、配置环境变量
my $tar_command = $perl_install_dir."/bin/atnodes -w -L -u root \"/bin/mkdir ".$java_install_dir.";/bin/tar -xzvf ".$upload_dir." -C ".$java_install_dir.";/bin/mv -f ".$java_bin." ".$java_bin.".old;/bin/ln -s ".$java_install_dir."/java/bin/java ".$java_bin.";chcon -t texrel_shlib_t ".$java_install_dir."/java/jre/lib/i386/client/libjvm.so;\" ".$ipstr;
exec_commands($app_name,$tar_command,"解压JDK");
my $config_command = $perl_install_dir."/bin/atnodes -w -L -u root '/bin/echo \"export JAVA_HOME=".$java_install_dir."/java\" >> /etc/profile;/bin/echo \"export JRE_HOME=\\\${JAVA_HOME}/jre\" >> /etc/profile;/bin/echo \"export CLASSPATH=.:\\\${JAVA_HOME}/lib:\\\${JRE_HOME}/lib\" >> /etc/profile;/bin/echo \"export PATH=\\\${JAVA_HOME}/bin:\\\$PATH \" >> /etc/profile;source /etc/profile' ".$ipstr;
exec_command($app_name,$config_command,"配置JDK环境变量");
#测试安装是否成功
my $test_command = $perl_install_dir."/bin/atnodes -w -L -u root \"java -version\" ".$ipstr;
exec_command($app_name,$test_command,"测试JDK是否安装成功");
$log->info("--------------应用： $app_name 完成安装JDK！--------------$ipstr");
}
#配置hostname和hosts
sub clean_config_hosts{
my ($appname,$ip_hostname_hash) = @_;
$log->info("--------------应用： $app_name 开始配置hosts和hostname！--------------");
my $ips = $data->{app_ips}->{$appname};#哈希，存放ip和hostname映射
my $keys = [keys %$ip_hostname_hash];#存放所有ip的数组
while (($ip, $hostname) = each %$ip_hostname_hash) {
#1、清理配置文件/etc/hosts和/etc/sysconfig/network
my $clean_command = $perl_install_dir."/bin/atnodes -w -L -u root \"/bin/sed -i \"/$global_hostname_prefix/d\" /etc/hosts;sed -i \"/HOSTNAME=/d\" /etc/sysconfig/network;\" $ip";
exec_command($appname,$clean_command,"清理\"$ip\"的hosts和hostname");
#2、修改hostname配置文件
my $hostname_command = $perl_install_dir."/bin/atnodes -w -L -u root \"/bin/echo \"HOSTNAME=$hostname\" >> /etc/sysconfig/network;/bin/hostname $hostname\" $ip";
exec_command($appname,$hostname_command,"配置\"$ip\"的hostname");
}
foreach my $item (@$keys) {
$log->info("开始配置《 $item 》hosts.");
while (($k, $v) = each %$ips) {
my $hosts_command = $perl_install_dir."/bin/atnodes -w -L -u root \"/bin/echo $k $v >> /etc/hosts \" $item";
exec_command($appname,$hosts_command,"配置hosts");
}
$log->info("完成配置《 $item 》hosts.");
}
#3、刷新配置文件
my $flush_command = $perl_install_dir."/bin/atnodes -w -L -u root \"service network restart;\" $ip";
my $flush_exec = `$flush_command`;
$log->info("--------------应用： $app_name 完成配置hosts和hostname！--------------");
}
#上传文件
#上传的文件名$full_name
#目标目录$targetdir /usr/local
#是否解压$ispack TRUE or FALSE
#ip地址
sub uploadFile{
my($full_name,$targetdir,$ispack,$ipstr) = @_;
my $filename = basename($full_name);
create_remote_dir($targetdir,$ipstr);
my $upload_command = $perl_install_dir."/bin/tonodes -w -L ".$full_name." -u root ".$ipstr.":".$targetdir."/";
exec_commands("未知",$upload_command,"上传文件$full_name");
if ($ispack eq TRUE) {
my $pack_command = $perl_install_dir."/bin/atnodes -w -L -u root \"/bin/tar -xzvf ".$targetdir."/".$filename." -C $targetdir/;\" $ipstr";
exec_commands("未知",$pack_command,"解压文件$full_name");
}
}
#配置
#$filename 目录+文件名
#ip地址
#$type操作类型，1为清理，2为更新
sub updateConfig{
my($ip,$type) = @_;
my $update_command = "";
if ($type eq '1') {
$update_command = $perl_install_dir."/bin/atnodes -w -L -u root \"/bin/rm -rf $perl_install_dir ;/bin/mv -f /usr/bin/perl.bigdata /usr/bin/perl; \" $ip";
}elsif($type eq '2'){
$update_command = $perl_install_dir."/bin/atnodes -w -L -u root \"/bin/mv -f /usr/bin/perl /usr/bin/perl.bigdata;ln -s ".$perl_install_dir."/bin/perl /usr/bin/perl; \" $ip";
}
exec_command("未知",$update_command,"更新配置文件$filename");
}
#解析ip集合，返回数组
#ips=192.18.10.14.[0-9] 192.18.10.130 192.18.10.12.[0-3]
sub parse_ips{
my $ips = shift;
#$ips =~ s/,/ /g;
my $parse_command = "$perl_install_dir/bin/fornodes $ips";
my $parse_result = `$parse_command`;
my @parse_array = split(/\s+/,$parse_result);
return \@parse_array;
}
#生成property标签
sub generateXML{
my ($full_name,$hash) = @_;
$log->info("开始修改配置文件：".$full_name);
my $str = undef;
while (($key, $value) = each %$hash) {
$str = $str."\t<property>\n\t\t<name>$key</name>\n\t\t<value>$value</value>\n\t</property>\n";
}
if ($str) {
open TMP, ">$bigdata_tmpfile"; #写入文件名
say TMP $str;
close(TMP);
my $insert_command = "/bin/sed -i '/<configuration>/r $bigdata_tmpfile' $full_name";
exec_command("未知",$insert_command,"插入数据$full_name");
}
$log->info("完成修改配置文件：".$full_name);
}
#生成generateHDFSSite标签
#hdfs-site.xml文件中只能配置一个dfs.namenode.shared.edits.dir属性
#<name>dfs.namenode.shared.edits.dir</name>
#<value>qjournal://hadoop002:8485;hadoop003:8485;hadoop004:8485/hadoop-cluster2</value>
#$array数组引用
sub generateHDFSSite{
my ($array,$journal_array,$ip_hostname_hash,$flag) = @_;
my $full_name = $hadoop_install_dir."/hdfs-site.xml";
my $str = "\t<property>\n\t\t<name>dfs.replication</name>\n\t\t<value>1</value>\n\t</property>\n";
my $nameservice = "";
my $nameservices = "";
my $first_nn_alice = "";
my $first_nn_hostname = "";
my $second_nn_alice = "";
my $second_nn_hostname = "";
my $first_nn_ip = undef;
my $second_nn_ip = undef;
my $journal_str = "";
foreach my $item (@$journal_array) {
$journal_str = $journal_str.$ip_hostname_hash->{$item}.":8485;";
}
chop($journal_str);#去掉最后一个分号
foreach my $item (@$array) {
if (ref($item) eq "ARRAY") {
#hadoop-cluster1,nn1,nn2,host1,host2,nn1_ip,nn2_ip
#hadoop-cluster2,nn3,nn4,host3,host4,nn3_ip,nn4_ip
$nameservice = @$item[0];
$nameservices = $nameservices.$nameservice.",";
$first_nn_alice = @$item[1];
$second_nn_alice = @$item[2];
$first_nn_hostname = @$item[3];
$second_nn_hostname = @$item[4];
$first_nn_ip = @$item[5];
$second_nn_ip = @$item[6];
$str = $str."\t<property>\n\t\t<name>dfs.ha.namenodes.$nameservice</name>\n\t\t<value>$first_nn_alice,$second_nn_alice</value>\n\t</property>\n";
$str = $str."\t<property>\n\t\t<name>dfs.namenode.rpc-address.$nameservice.$first_nn_alice</name>\n\t\t<value>$first_nn_hostname:8020</value>\n\t</property>\n";
$str = $str."\t<property>\n\t\t<name>dfs.namenode.rpc-address.$nameservice.$second_nn_alice</name>\n\t\t<value>$second_nn_hostname:8020</value>\n\t</property>\n";
$str = $str."\t<property>\n\t\t<name>dfs.namenode.http-address.$nameservice.$first_nn_alice</name>\n\t\t<value>$first_nn_hostname:50070</value>\n\t</property>\n";
$str = $str."\t<property>\n\t\t<name>dfs.namenode.http-address.$nameservice.$second_nn_alice</name>\n\t\t<value>$second_nn_hostname:50070</value>\n\t</property>\n";
$str = $str."\t<property>\n\t\t<name>dfs.ha.automatic-failover.enabled.$nameservice</name>\n\t\t<value>true</value>\n\t</property>\n";
$str = $str."\t<property>\n\t\t<name>dfs.client.failover.proxy.provider.$nameservice</name>\n\t\t<value>org.apache.hadoop.hdfs.server.namenode.ha.ConfiguredFailoverProxyProvider</value>\n\t</property>\n";
#特殊的属性值
if ($flag eq $nameservice) {
$str = $str."\t<property>\n\t\t<name>dfs.namenode.shared.edits.dir</name>\n\t\t<value>qjournal://$journal_str/$nameservice</value>\n\t</property>\n";
}
}
}
if ($nameservices) {
chop($nameservices);
}
$str = "\t<property>\n\t\t<name>dfs.nameservices</name>\n\t\t<value>$nameservices</value>\n\t</property>\n".$str;
$str = $str."\t<property>\n\t\t<name>dfs.namenode.name.dir</name>\n\t\t<value>file://$hadoop_install_dir/$hadoop_dir_name/tmp/namenode</value>\n\t</property>\n\t<property>\n\t\t<name>dfs.datanode.data.dir</name>\n\t\t<value>file://$hadoop_install_dir/$hadoop_dir_name/tmp/datanode</value>\n\t</property>\n\t<property>\n\t\t<name>dfs.ha.automatic-failover.enabled</name>\n\t\t<value>true</value>\n\t</property>\n\t<property>\n\t\t<name>dfs.journalnode.edits.dir</name>\n\t\t<value>$hadoop_install_dir/$hadoop_dir_name/tmp/journal/</value>\n\t</property>\n\t<property>\n\t\t<name>dfs.ha.fencing.methods</name>\n\t\t<value>sshfence</value>\n\t</property>\n\t<property>\n\t\t<name>dfs.ha.fencing.ssh.private-key-files</name>\n\t\t<value>/home/$global_hadoop_user/.ssh/id_rsa</value>\n\t</property>\n\t";
open TMP, ">$bigdata_tmpfile"; #写入文件名
say TMP $str;
close(TMP);
my $insert_command = "/bin/sed -i '/<configuration>/r $bigdata_tmpfile' $full_name";
exec_command("未知",$insert_command,"插入数据$full_name");
}
#同步文件到相应节点
sub sync_node_file{
my ($sourcefile,$node,$targetfile) = @_;
my $upload_command = $perl_install_dir."/bin/tonodes -w -L -u root $sourcefile \"$node\":$targetfile";
exec_command("未知",$upload_command,"同步文件到相应节点$targetfile");
}
#配置slaves文件
#所有的DataNode节点的hostname
sub generateSlaves{
my $full_name = $hadoop_install_dir."/$hadoop_dir_name/etc/hadoop/slaves";
my $command = undef;
my $exec = undef;
my $clear_command = "echo \"\" > $full_name";
exec_command("Hadoop",$clear_command,"清理slaves文件");
$log->info("开始配置slaves文件。");
my $ipstr = $data->{nodeinfo}->{Hadoop_DataNode}->{ip};#获取所有的DataNode节点
my $ip_hostname_hash = $data->{app_ips}->{Hadoop};#获取hadoop集群中的所有节点
my $ip_array = parse_ips($ipstr);
my $hostname = undef;
foreach my $ip (@$ip_array) {
$hostname = $ip_hostname_hash->{$ip};
$command = "echo \"$hostname\" >> $full_name";
$exec = `$command`;
}
$log->info("完成配置slaves文件。");
}
#创建远程目录
#ipstr ip字符串
#dir 需要创建的远程目录
sub create_remote_dir{
my($dir,$ipstr) = @_;
my $update_command = $perl_install_dir."/bin/atnodes -w -L -u root \" mkdir $dir;\" $ipstr";
exec_command("未知",$update_command,"创建远程目录$dir");
}
#修改远程文件的所属用户和所属用户组
sub update_remote_dir_auth{
my ($file,$user,$group,$ipstr) = @_;
my $update_command = $perl_install_dir."/bin/atnodes -w -L -u root \" /bin/chown -R $user:$group $file \" $ipstr";
exec_command("未知",$update_command,"修改文件所属用户和所属组$file");
}
#启动hadoop集群和yarn
#$start_param数组保存节点信息
#$jn_ip,$resource_manager_ip,$job_history_ip
sub start_hadoop_cluster{
my $flag = shift;#是否需要初始化数据
if ($flag eq TRUE) {
init_hadoop_data();
}
$log->info("开始启动Hadoop集群....");
my $nameservice = undef;
my $first_nn_alice = undef;
my $first_nn_ip = undef;
my $first_nn_hostname = undef;
my $second_nn_alice = undef;
my $second_nn_ip = undef;
my $second_nn_hostname = undef;
my $hadoop_home = $hadoop_install_dir."/$hadoop_dir_name";#$hadoop_home
#my $clusterId = "hadoop-cluster";#clusterId
my $master_nn_ip = $start_param[0][2];#master_nn_ip,first_namenode_ip
#step_0 启动zookeeper集群
start_zk_cluster();
#step_0_1格式化ZooKeeper集群，目的是在ZooKeeper集群上建立HA的相应节点。（在nn1和nn3节点上）
my $formatzk_ip = array2str(\@active_nn_ip);
my $formatzk_command = $perl_install_dir."/bin/atnodes -w -L -u $global_hadoop_user \"$hadoop_home/bin/hdfs zkfc –formatZK\" $formatzk_ip";
my $formatzk_command_exec = `$formatzk_command`;
#step_1 启动JournalNode集群
my $start_journalnode_command = $perl_install_dir."/bin/atnodes -w -L -u $global_hadoop_user \"$hadoop_home/sbin/hadoop-daemon.sh start journalnode\" $jn_ip";
exec_command("Hadoop",$start_journalnode_command,"开始启动journalnode服务");
foreach my $item (@start_param) {
if (ref($item) eq 'ARRAY') {
$nameservice = @$item[0];
$first_nn_alice = @$item[1];
$first_nn_ip = @$item[2];
$first_nn_hostname = @$item[3];
$second_nn_alice = @$item[4];
$second_nn_ip = @$item[5];
$second_nn_hostname = @$item[6];
#step_2 格式化nn1，并启动
my $first_nn_format_start_command = $perl_install_dir."/bin/atnodes -w -L -u $global_hadoop_user \" $hadoop_home/bin/hdfs namenode -format -clusterId $nameservice;$hadoop_home/sbin/hadoop-daemon.sh start namenode; \" $first_nn_ip";
my $first_nn_format_start_exec = `$first_nn_format_start_command`;
$log->info("NameNode_$first_nn_alice 地址：http://$first_nn_ip:50070/");
#step_3 在nn2上同步nn1的元数据信息 and step_4 启动nn2
my $second_nn_sync_start_command = $perl_install_dir."/bin/atnodes -w -L -u $global_hadoop_user \" $hadoop_home/bin/hdfs namenode -bootstrapStandby;$hadoop_home/sbin/hadoop-daemon.sh start namenode; \" $second_nn_ip";
my $second_nn_sync_start_exec = `$second_nn_sync_start_command`;
$log->info("NameNode_$second_nn_alice 地址：http://$second_nn_ip:50070/");
#step_5 将nn1设置为ActiveNameNode（手动启动），改为由zookeeper启动
#my $first_nn_active_command = $perl_install_dir."/bin/atnodes -w -L -u $global_hadoop_user \" $hadoop_home/bin/hdfs haadmin -ns $nameservice -transitionToActive $first_nn_alice;\" $first_nn_ip";
#my $first_nn_active_exec = `$first_nn_active_command`;
}
}
#step_6 在nn1上启动所有的datanode
if ($master_nn_ip) {
my $master_nn_start_datanode = $perl_install_dir."/bin/atnodes -w -L -u $global_hadoop_user \" $hadoop_home/sbin/hadoop-daemons.sh start datanode; \" $master_nn_ip";
my $master_nn_start_exec = `$master_nn_start_datanode`;
}
#step_7 启动Yarn
if ($resource_manager_ip) {
my $yarn_start_command = $perl_install_dir."/bin/atnodes -w -L -u $global_hadoop_user \" $hadoop_home/sbin/start-yarn.sh; \" $resource_manager_ip";
exec_command("Hadoop",$yarn_start_command,"开始启动Yarn");
$log->info("ResourceManager地址：http://$resource_manager_ip:8088/cluster");
$log->info("NodeManager地址：http://\${NodeManagerip}:8042/node");
}else{
$log->info("没有配置resource_manager,跳过启动ResourceManager.");
}
#step_8 启动JobHistory Server
if ($job_history_ip) {
my $jobhistory_start_command = $perl_install_dir."/bin/atnodes -w -L -u $global_hadoop_user \" $hadoop_home/sbin/mr-jobhistory-daemon.sh start historyserver; \" $job_history_ip";
exec_command("Hadoop",$jobhistory_start_command,"开始启动JobHistory Server");
}else{
$log->info("没有配置JobHistory Server.,跳过启动JobHistory Server.");
}
#step_9在所有NameNode节点上启动ZooKeeperFailoverController，产生java进程DFSZKFailoverController
my $all_nn_ip_array = parse_ips($data->{nodeinfo}->{Hadoop_NameNode}->{ip});
my $all_nn_ip_str = array2str($all_nn_ip_array);
my $start_controller_command = $perl_install_dir."/bin/atnodes -w -L -u $global_hadoop_user \"$hadoop_home/sbin/hadoop-daemon.sh start zkfc;\" $all_nn_ip_str";
exec_command("Hadoop",$start_controller_command,"开始启动ZooKeeperFailoverController");
#step_10 执行jsp命令测试是否启动
$log->info("完成启动Hadoop集群");
}
#初始化hadoop的一些数据
sub init_hadoop_data{
$log->info("开始初始化Hadoop数据....");
#2.获取所有的journalnode节点并存放到数组中
$jn_ip = $data->{nodeinfo}->{Hadoop_JournalNode}->{ip};#可能是多个空格分割的ip地址
$jn_ip_array = parse_ips($jn_ip);
my $jn_ip_array_leg = scalar(@$jn_ip_array);
if (!(($jn_ip_array_leg & 1) != 0 && $jn_ip_array_leg > 1)) {
$log->info("JournalNode至少需要三台节点，并且需要使用奇数。");
}
#获取JobHistory节点的ip
$job_history_ip = $data->{nodeinfo}->{Hadoop_HistoryServer}->{ip};#可能是多个空格分割的ip地址 应该只有一个ip
if ($job_history_ip) {
$job_history_hostname = $data->{app_ips}->{Hadoop}->{$job_history_ip};
}
#获取ResourceManager节点的ip
$resource_manager_ip = $data->{nodeinfo}->{Hadoop_ResourceManager}->{ip};#可能是多个空格分割的ip地址 应该只有一个ip
if ($resource_manager_ip) {
$resource_manager_hostname = $data->{app_ips}->{Hadoop}->{$resource_manager_ip};
}
#3.获取所有的namenode节点并存放到数组中
my $nn_ip = $data->{nodeinfo}->{Hadoop_NameNode}->{ip};#可能是多个空格分割的ip地址
my $nn_ip_array = parse_ips($nn_ip);
my $nn_ip_array_leg = scalar(@$nn_ip_array);
my $ips = $data->{app_ips}->{Hadoop};#哈希，存放ip和hostname映射
if ($nn_ip_array_leg > 0) {
#说明有多个namenode，需要检查journalnode
my $nn_group = 0;#分组数
if ($nn_ip_array_leg % 2 == 0) {
$nn_group = $nn_ip_array_leg / 2;
}#else{
# $nn_group = ($nn_ip_array_leg / 2) + 1;
#}
my $first_nn_ip = undef;
my $second_nn_ip = undef;
my $first_nn_hostname = undef;
my $second_nn_hostname = undef;
my $nameservices = undef;
my $first_nn_alice = undef;
my $second_nn_alice = undef;
for (my $k = 0; $k < $nn_group;$k++) {
$first_nn_ip = shift @$nn_ip_array;
$second_nn_ip = shift @$nn_ip_array;
if ($first_nn_ip && $second_nn_ip) {
$first_nn_hostname = $ips->{$first_nn_ip};
$second_nn_hostname = $ips->{$second_nn_ip};
$nameservices = "hadoop-cluster".$cluster++;
$first_nn_alice = "nn".$alices++;
$second_nn_alice = "nn".$alices++;
push(@name_services,$nameservices);#生成hdfs-site.xml时用
push(@active_nn,$first_nn_hostname);
push(@active_nn_ip,$first_nn_ip);#启动时用
push(@standby_nn,$second_nn_hostname);
push(@active_nn_ip,$second_nn_ip);#启动时用
push(@result_array,[$nameservices,$first_nn_alice,$second_nn_alice,$first_nn_hostname,$second_nn_hostname,$first_nn_ip,$second_nn_ip]);
push(@start_param,[$nameservices,$first_nn_alice,$first_nn_ip,$first_nn_hostname,$second_nn_alice,$second_nn_ip,$second_nn_hostname]);
}
}
}else{
$log->info("没有配置NameNode,请配置。");
}
print_service("\@name_services",\@name_services);
print_service("\@active_nn",\@active_nn);
print_service("\@active_nn_ip",\@active_nn_ip);
print_service("\@standby_nn",\@standby_nn);
print_service("\@result_array",\@result_array);
print_service("\@start_param",\@start_param);
$log->info("完成初始化Hadoop数据....");
}
#安装hadoop
sub install_hadoop{
my ($app_name,$ip_hostname_hash) = @_;
my $ip_str = array2str([keys %$ip_hostname_hash]);#获取以空格分割ip字符串
print_hash($ip_hostname_hash);
#ssh_login_root($app_name,$ip_str);#配置root用户ssh登录
clean_config_hosts($app_name,$ip_hostname_hash);#配置hosts和hostname
clean_jdk($app_name,$ip_str);#安装前清理jdk
install_jdk($app_name,$ip_str);#上传并安装jdk
clean_hadoop_user($ip_str);#清理hadoop用户
useradd($app_name,$global_hadoop_user,$os_hadoop_pass,$ip_str);#批量创建hadoop用户
#ssh -l hadoop 192.168.10.140
ssh_login($app_name,$global_hadoop_user,$os_hadoop_pass,$ip_str);#配置hadoop用户ssh登录
#1.解压Hadoop安装包到Hadoop安装目录(目录不存在则创建)
init_install_dir("$hadoop_install_name");
#2.修改配置文件hadoop-env.sh
# my $hadoop_env_sh_command = "/bin/sed -i -e \"/JAVA_HOME=/d\" -e \"/HADOOP_COMMON_LIB_NATIVE_DIR=/d\" -e \"/-Djava.library.path=/d\" -e \"/^\$/d\" ".$hadoop_install_dir."/$hadoop_dir_name/etc/hadoop/hadoop-env.sh;/bin/echo 'export JAVA_HOME=".$java_install_dir."/java \n export HADOOP_COMMON_LIB_NATIVE_DIR=\${HADOOP_HOME}/lib/native \n export HADOOP_OPTS=\"-Djava.library.path=\$HADOOP_HOME/lib\"' >> ".$hadoop_install_dir."/$hadoop_dir_name/etc/hadoop/hadoop-env.sh";
my $hadoop_env_sh_command = "/bin/sed -i -e \"/JAVA_HOME=/d\" -e \"/^\$/d\" $hadoop_install_dir/$hadoop_dir_name/etc/hadoop/hadoop-env.sh;/bin/echo 'export JAVA_HOME=".$java_install_dir."/java' >> $hadoop_install_dir/$hadoop_dir_name/etc/hadoop/hadoop-env.sh;";
my $hadoop_env_sh_exec = `$hadoop_env_sh_command`;
#初始化hadoop数据
#2.获取所有的journalnode节点并存放到数组中
#获取JobHistory节点的ip
#获取ResourceManager节点的ip
#3.获取所有的namenode节点并存放到数组中
init_hadoop_data();
$log->info('@active_nn_ip: '.scalar(@active_nn_ip));
if (scalar(@active_nn_ip) > 0) {
my @zk_server_host = values $data->{app_ips}->{Zookeeper};#获取zk的主机名和端口
my $zk_server_host_str = undef;
foreach my $zk_host (@zk_server_host) {
$zk_server_host_str .= $zk_host.":2888,";
}
chop($zk_server_host_str);#去掉最后一个逗号
#配置core-site.xml
my $core_site_hash = {
#'fs.default.name' => "hdfs://".$active_nn[0].":8020",
'fs.defaultFS' => $name_services[0],
'hadoop.tmp.dir' => "$hadoop_install_dir/$hadoop_dir_name/tmp",
'ha.zookeeper.quorum' => $zk_server_host_str,
};
generateXML("$hadoop_install_dir/$hadoop_dir_name/etc/hadoop/core-site.xml",$core_site_hash);
#配置mapred-site.xml
my $mapred_site_hash = {
'mapreduce.framework.name' => "yarn",
'mapreduce.jobhistory.address' => $job_history_hostname.":10020",
'mapreduce.jobhistory.webapp.address' => $job_history_hostname.":19888",
};
generateXML("$hadoop_install_dir/$hadoop_dir_name/etc/hadoop/mapred-site.xml",$mapred_site_hash);
#配置yarn-site.xml
my $yarn_site_hash = {
'yarn.resourcemanager.hostname' => "$resource_manager_hostname",
'yarn.resourcemanager.address' => '${yarn.resourcemanager.hostname}:8032',
'yarn.resourcemanager.scheduler.address' => '${yarn.resourcemanager.hostname}:8030',
'yarn.resourcemanager.webapp.address' => '${yarn.resourcemanager.hostname}:8088',
'yarn.resourcemanager.webapp.https.address' => '${yarn.resourcemanager.hostname}:8090',
'yarn.resourcemanager.resource-tracker.address' => '${yarn.resourcemanager.hostname}:8031',
'yarn.resourcemanager.admin.address' => '${yarn.resourcemanager.hostname}:8033',
#'yarn.resourcemanager.scheduler.class' => 'org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler',
#'yarn.scheduler.fair.allocation.file' => '${yarn.home.dir}/etc/hadoop/fairscheduler.xml',
'yarn.nodemanager.local-dirs' => $hadoop_install_dir."/$hadoop_dir_name/tmp/yarn/local",
'yarn.log-aggregation-enable' => 'true',
'yarn.nodemanager.remote-app-log-dir' => $hadoop_install_dir."/$hadoop_dir_name/tmp/nodemanager",
'yarn.nodemanager.resource.memory-mb' => 30720,
'yarn.nodemanager.resource.cpu-vcores' => 12,
'yarn.nodemanager.aux-services' => 'mapreduce_shuffle',
};
generateXML("$hadoop_install_dir/$hadoop_dir_name/etc/hadoop/yarn-site.xml",$yarn_site_hash);
#配置slaves（所有的DataNode节点hostname）
generateSlaves();
#打包配置好的Hadoop文件
pack_file($hadoop_install_name,$hadoop_dir_name);
#上传Hadoop文件到各个节点上、解压
uploadFile("$hadoop_install_dir/$hadoop_install_name",$hadoop_install_dir,TRUE,$ip_str);
#配置hdfs-site.xml
#1.copy一个hdfs-site.xml模板到安装目录
#2.根据nameservice生成对应节点的hdfs-site.xml文件
#3.拷贝相应文件到相应节点上hadoop-cluster1:hadoop001:hadoop002
foreach my $item (@result_array) {
my $copy_command = "/bin/cp -f $install_template_dir/hdfs-site.xml $hadoop_install_dir";
exec_commands($app_name,$copy_command,"拷贝hdfs-site.xml模板");
my $hadoop_cluster_flag = @$item[0];
#$hadoop_cluster_flag：hadoop-cluster1
$log->info("\$hadoop_cluster_flag: $hadoop_cluster_flag");
#$node_hostname: bigdata-[1001,1002]
#my $node = $global_hostname_prefix."[".substr(@$item[3],length($global_hostname_prefix),length(@$item[3])-length($global_hostname_prefix)).",".substr(@$item[4],length($global_hostname_prefix),length(@$item[4])-length($global_hostname_prefix))."]";
my $node = @$item[5]." ".@$item[6];
$log->info("\$node_ip: $node");
generateHDFSSite(\@result_array,$jn_ip_array,$ip_hostname_hash,$hadoop_cluster_flag);
sync_node_file($hadoop_install_dir."/hdfs-site.xml",$node,"$hadoop_install_dir/$hadoop_dir_name/etc/hadoop/");
}
#更改hadoop目录的用户和用户组
update_remote_dir_auth($hadoop_install_dir."/$hadoop_dir_name",$global_hadoop_user,$global_hadoop_user,$ip_str);
#创建远程目录
#create_remote_dir("/tmp/logs",$ip_str);
#update_remote_dir_auth("/tmp/logs",$global_hadoop_user,$global_hadoop_user,$ip_str);
#配置/home/hadoop/.bash_profile文件
my $bashrc_profile_hash = {
'HADOOP_HOME' => $hadoop_install_dir."/$hadoop_dir_name",
'HADOOP_COMMON_LIB_NATIVE_DIR' => '${HADOOP_HOME}/lib/native',
'HADOOP_OPTS' => '\"-Djava.library.path=$HADOOP_HOME/lib\"',
};
update_bashrc_profile($global_hadoop_user,$ip_str,$bashrc_profile_hash);
#启动Hadoop集群
#start_hadoop_cluster(FALSE);
}elsif($nn_ip_array_leg == 1){
#说明只有一个namenode
}else{
#说明没有设置namenode
}
}
#安装Zookeeper
#1.判断节点数是否是奇数
#2.解压安装包到安装目录,修改配置文件
#3.打包修改好的配置文件
#4.上传安装包到安装节点
#5.解压安装包，启动Zookeeper
sub install_zookeeper{
my ($app_name,$ip_hostname_hash) = @_;
my $all_ip = [keys %$ip_hostname_hash];