zookeeper的安装分为三种模式: 单机模式、伪集群模式和集群模式。
安装需要用到的zookeeper文件,到http://zookeeper.apache.org/通过download链接下载。
一、单机模式安装zookeeper
1、设置环境变量
$ ZK_FILE=/vagrant/zookeeper-3.4.13.tar.gz
$ ZK_INSTALL_PATH=/opt/zk
$ ZK_INSTALL_DIR=$ZK_INSTALL_PATH/zookeeper-3.4.13
$ ZK_DATA_DIR=$ZK_INSTALL_PATH/zookeeper-3.4.13/data
$ ZK_LOG_DIR=$ZK_INSTALL_PATH/zookeeper-3.4.13/log
$ ZK_CFG=$ZK_INSTALL_DIR/conf/zoo.cfg
$ ZK_SERVER_ID=1
$ ZK_PORT=2181
$ ZK_SERVER_LIST=server.1=127.0.0.1:2888:3888
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2、创建安装目录并将zk到解压安装目录
$ mkdir -p $ZK_INSTALL_PATH
$ tar -zxvf $ZK_FILE -C $ZK_INSTALL_PATH >> /var/null
$ ls -l $ZK_INSTALL_PATH
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3、新建数据和日志目录,生成myid文件,拷贝配置zoo.cfg文件
$ mkdir $ZK_DATA_DIR
$ mkdir $ZK_LOG_DIR
$ echo $ZK_SERVER_ID >> $ZK_DATA_DIR/myid
$ cp $ZK_INSTALL_DIR/conf/zoo_sample.cfg $ZK_CFG
$ cat $ZK_CFG
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4、配置zoo.cfg数据目录、日志目录、端口号、服务器列表并确认配置
$ sed -i 's#dataDir=/tmp/zookeeper#dataDir='$ZK_DATA_DIR'#' $ZK_CFG
$ sed -i '$a \dataLogDir='$ZK_LOG_DIR $ZK_CFG
$ sed -i 's/2181/'$ZK_PORT'/g' $ZK_CFG
$ sed -i '$a \'$ZK_SERVER_LIST $ZK_CFG
$ cat $ZK_CFG
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5、启动zk并查看状态
$ sh $ZK_INSTALL_DIR/bin/zkServer.sh start
$ sh $ZK_INSTALL_DIR/bin/zkServer.sh status
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6、利用zkCli操作zk
$ sh $ZK_INSTALL_DIR/bin/zkCli.sh
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可以输入以下命令进行操作, 查看结果
> ls /
> create /test value1
> get /test
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二、通过vagrant一键安装单机版的zookeeper
1、整理一中的shell命令成zk-install.sh脚本文件
echo ">>>>>>>>>>>>>>>>>>>>>>>>>>>>zk压缩包路径>>>>>>>>>>>>>>>>>>>>>>>>>>>>"
echo $ZK_FILE
echo ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>zk安装路径&安装目录>>>>>>>>>>>>>>>>>>>>>"
echo $ZK_INSTALL_PATH
echo $ZK_INSTALL_DIR
echo ">>>>>>>>>>>>>>>>>>>>>>>>>>>>zk数据目录&日志目录>>>>>>>>>>>>>>>>>>>>>"
echo $ZK_DATA_DIR
echo $ZK_LOG_DIR
echo ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>zk的myid>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"
echo $ZK_SERVER_ID
echo ">>>>>>>>>>>>>>>>>>>>>>>>>zk端口及服务器列表>>>>>>>>>>>>>>>>>>>>>>>>>"
echo $ZK_PORT
echo $ZK_SERVER_LIST
echo ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>zk配置文件>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"
ZK_CFG=$ZK_INSTALL_DIR/conf/zoo.cfg
echo $ZK_CFG
echo ">>>>>>>>>>>>>>>>>>>>新建zk安装目录并解压zk到该目录>>>>>>>>>>>>>>>>>>>"
mkdir -p $ZK_INSTALL_PATH
tar -zxvf $ZK_FILE -C $ZK_INSTALL_PATH >> /var/null
echo ">>>>>>>>>>>>>>>>>>>>>新建zk数据和日志目录及myid>>>>>>>>>>>>>>>>>>>>>"
mkdir $ZK_DATA_DIR
mkdir $ZK_LOG_DIR
echo $ZK_SERVER_ID >> $ZK_DATA_DIR/myid
echo ">>>>>>>>>>>>>>>>>>>>>>>>>>>>配置zoo.cfg>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"
cp $ZK_INSTALL_DIR/conf/zoo_sample.cfg $ZK_CFG
sed -i 's#dataDir=/tmp/zookeeper#dataDir='$ZK_DATA_DIR'#' $ZK_CFG
sed -i '$a \dataLogDir='$ZK_LOG_DIR $ZK_CFG
sed -i 's/2181/'$ZK_PORT'/g' $ZK_CFG
sed -i '$a \'$ZK_SERVER_LIST $ZK_CFG
tail -n 20 $ZK_CFG
echo ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>启动zk>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"
sh $ZK_INSTALL_DIR/bin/zkServer.sh start
2、新建Vagrantfile文件
# -*- mode: ruby -*-
# vi: set ft=ruby :
Vagrant.configure("2") do |config|
#设置虚拟机的box
config.vm.box = "centos7-base-jdk8"
#设置虚拟机的主机名
config.vm.hostname = "centos7-jdk8-zk-standalone"
#设置ip
config.vm.network "private_network", ip: "192.168.13.10"
#Virtualbox相关配置
config.vm.provider "virtualbox" do |v|
#设置虚拟机的名称
v.name = "centos7-jdk8-zk-standalone"
#设置虚拟机的内存大小为2G
v.memory = 2048
#设置虚拟机的CPU个数
v.cpus = 2
end
#使用shell脚本进行软件安装和配置
config.vm.provision "shell" do |s|
s.path = "zk-install.sh"
s.env = {ZK_FILE: "/vagrant/zookeeper-3.4.13.tar.gz",
ZK_INSTALL_PATH: "/opt/zk",
ZK_INSTALL_DIR: "/opt/zk/zookeeper-3.4.13",
ZK_PORT: "2181",
ZK_DATA_DIR: "/opt/zk/zookeeper-3.4.13/data",
ZK_LOG_DIR: "/opt/zk/zookeeper-3.4.13/log",
ZK_SERVER_ID: "1",
ZK_SERVER_LIST: "server.1=127.0.0.1:2888:3888"}
end
end
3、通过vagrant up启动虚拟机
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三、通过vagrant一键安装zookeeper伪集群
1、zk伪集群指的是在一台集群上安装zk集群
需要注意每个zk进程对外端口(默认2181,用于客户端链接zk集群),选主端口(默认3888-进行leader选举时使用的端口),集群通信端口(默认2888-集群follow链接leader的通信端口)配置不冲突。
myid=1, 2181, 2888, 3888
myid=2, 2182, 2887, 3887
myid=3, 2183, 2886, 3886
2、zk-install.sh同二使用的是相同内容,Vagrantfile如下:
# -*- mode: ruby -*-
# vi: set ft=ruby :
Vagrant.configure("2") do |config|
#设置虚拟机的box
config.vm.box = "centos7-base-jdk8"
#设置虚拟机的主机名
config.vm.hostname = "centos7-jdk-zk-local-cluster"
#Virtualbox相关配置
config.vm.provider "virtualbox" do |v|
#设置虚拟机的名称
v.name = "centos7-jdk-zk-local-cluster"
#设置虚拟机的内存大小为1G
v.memory = 2048
#设置虚拟机的CPU个数
v.cpus = 2
end
(1..3).each do |i|
#使用shell脚本进行软件安装和配置
config.vm.provision "shell" do |s|
s.path = "zk-install.sh"
s.env = {ZK_FILE: "/vagrant/zookeeper-3.4.13.tar.gz",
ZK_INSTALL_PATH: "/opt/zk/zk-server#{i}",
ZK_INSTALL_DIR: "/opt/zk/zk-server#{i}/zookeeper-3.4.13",
ZK_PORT: "218#{i}",
ZK_DATA_DIR: "/opt/zk/zk-server#{i}/zookeeper-3.4.13/data",
ZK_LOG_DIR: "/opt/zk/zk-server#{i}/zookeeper-3.4.13/log",
ZK_SERVER_ID: "#{i}",
ZK_SERVER_LIST: "server.1=127.0.0.1:2888:3888\\nserver.2=127.0.0.1:2887:3887\\nserver.3=127.0.0.1:2886:3886"}
end
end
end
3、同样使用vagrant up 命令,可以启动虚拟机,并自动安装
4、ssh进入虚拟机, 查看各个目录下对应的zk安装情况
可以看到,zk-server2作为leader节点, 其他两个节点作为follower节点
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5、可以通过xshell给三个节点的zkCli.sh 分别发送命令,
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四、通过vagrant一键安装zookeeper集群
1、集群ip规划
zk_server1 => 1 192.168.13.21 centos7-jdk-zk-cluster-1
zk_server2 => 2 192.168.13.22 centos7-jdk-zk-cluster-2
zk_server3 => 3 192.168.13.23 centos7-jdk-zk-cluster-3
2、zk-install.sh同二使用的是相同内容,Vagrantfile如下:
# -*- mode: ruby -*-
# vi: set ft=ruby :
Vagrant.configure("2") do |config|
#设置虚拟机的box
config.vm.box = "centos7-base-jdk8"
zk_servers = {
:zk_server1 => ["192.168.13.21", "1", "centos7-jdk-zk-cluster-1"],
:zk_server2 => ["192.168.13.22", "2", "centos7-jdk-zk-cluster-2"],
:zk_server3 => ["192.168.13.23", "3", "centos7-jdk-zk-cluster-3"]
}
zk_server_list = "server.1=192.168.13.21:2888:3888\\nserver.2=192.168.13.22:2888:3888\\nserver.3=192.168.13.23:2888:3888"
zk_servers.each do |zk_server_name, zk_server_cfg|
config.vm.define zk_server_name do |app_config|
#设置虚拟机的主机名
app_config.vm.hostname = zk_server_cfg[2]
#设置ip
app_config.vm.network "private_network", ip: zk_server_cfg[0]
#Virtualbox相关配置
app_config.vm.provider "virtualbox" do |v|
#设置虚拟机的名称
v.name = zk_server_cfg[2]
#设置虚拟机的内存大小为1G
v.memory = 1048
#设置虚拟机的CPU个数
v.cpus = 2
end
#使用shell脚本进行软件安装和配置
app_config.vm.provision "shell" do |s|
s.path = "zk-install.sh"
s.env = {ZK_FILE: "/vagrant/zookeeper-3.4.13.tar.gz",
ZK_INSTALL_PATH: "/opt/zk",
ZK_INSTALL_DIR: "/opt/zk/zookeeper-3.4.13",
ZK_PORT: "2181",
ZK_DATA_DIR: "/opt/zk/zookeeper-3.4.13/data",
ZK_LOG_DIR: "/opt/zk/zookeeper-3.4.13/log",
ZK_SERVER_ID: zk_server_cfg[1],
ZK_SERVER_LIST: zk_server_list}
end
end
end
end
3、通过vagrant up 拉起三台虚拟机,并自动安装zk
安装完毕后,进入虚拟机,确认是否安装正确
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OK, 到这里就结束了, 三种模式的安装通过vagrant可以快速安装实验环境。
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