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Docker实战之安装配置HBase-1.2.2完全分布式集群

2016-09-16 11:03 597 查看
环境配置

VM:VMware Workstation

OS:Ubuntu 14.04 LTS

HBASE:hbase-1.2.2

HBase集群规划

172.17.0.5 hmaster

172.17.0.6 regionserver1

172.17.0.7 regionserver2

192.168.162.129 zkhost1



基于Dockerfile构建HBase基础镜像

创建Dockerfile文件,内容如下 :

FROM ubuntu:14.04
MAINTAINER Rain <>

ENV REFRESHED_AT 2016-09-15
RUN apt-get update
RUN apt-get install -y openssh-server openssh-client

ADD jdk-7u80-linux-x64.tar.gz /usr/local/

ENV JAVA_HOME /usr/local/jdk1.7.0_80
ENV CLASSPATH $JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
ENV PATH $PATH:$JAVA_HOME/bin

RUN addgroup hadoop
RUN useradd -m hadoop -g hadoop -p qazwsx

ADD hbase-1.2.2-bin.tar.gz /usr/local/

RUN chown -R hadoop:hadoop /usr/local/hbase-1.2.2
RUN cd /usr/local && ln -s ./hbase-1.2.2 hbase

ENV HBASE_HOME /usr/local/hbase
ENV PATH ${HBASE_HOME}/bin:$PATH

RUN cd /etc/sudoers.d && sudo touch nopasswdsudo && echo "hadoop ALL=(ALL) NOPASSWD : ALL" >> nopasswdsudo

RUN mkdir /var/run/sshd

USER hadoop

RUN ssh-keygen -t rsa -P '' -f ~/.ssh/id_rsa
RUN cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys

EXPOSE 22

构建基础镜像:

$ sudo docker build -t="rain:hbase-base" .

从镜像启动容器:

$ sudo docker run -t -i rain:hbase-base /bin/bash



基于Dockerfile构建HBase主镜像

创建Dockerfile文件,内容如下 :

FROM rain:hbase-base
MAINTAINER Rain <>

ENV REFRESHED_AT 2016-09-15

ADD hbase-env.sh $HBASE_HOME/conf/
ADD hbase-site.xml $HBASE_HOME/conf/
ADD regionservers $HBASE_HOME/conf/

RUN sudo chown -R hadoop:hadoop $HBASE_HOME/conf
RUN sudo mkdir -p /opt/hadoop/data/zookeeper
RUN sudo chown -R hadoop:hadoop /opt/hadoop

WORKDIR /home/hadoop

COPY bootstrap.sh /home/hadoop/
RUN sudo chown -R hadoop:hadoop /home/hadoop
RUN sudo chmod 766 /home/hadoop/bootstrap.sh

ENTRYPOINT ["/home/hadoop/bootstrap.sh"]

#EXPOSE  16000 16010 16020 16030


构建HBase Master镜像:

</pre><pre name="code" class="plain">$ sudo docker build -t="rain:hmaster" .


启动容器:

$ sudo docker run -t -i --name hmaster -h hmaster -d -P -p 16010:16010 rain:hmaster


基于Dockerfile构建HBase RegionServer镜像

创建Dockerfile文件,内容同HBase Master镜像。

编辑bootstrap.sh用于启动ssh:

#!/bin/bash
sudo /usr/sbin/sshd -D

构建HBase Region Server镜像:

$ sudo docker build -t="rain:regionserver" .
启动容器:

$ sudo docker run -t -i --name regionserver1 -h regionserver1 -d  rain:regionserver
$ sudo docker run -t -i --name regionserver2 -h regionserver2 -d  rain:regionserver



与HBase Master和Region Servers交互

操作命令如下:

$ sudo docker exec -it hmaster /bin/bash
$ sudo docker exec -it regionserver1 /bin/bash
$ sudo docker exec -it regionserver2 /bin/bash


配置Host编写脚本:

hadoop@hmaster:~$ vi run_hosts.sh
内容如下:

#!/bin/bash
echo 172.17.0.2 hadoop-master >> /etc/hosts
echo 172.17.0.5 hmaster >> /etc/hosts
echo 172.17.0.6 regionserver1 >> /etc/hosts
echo 172.17.0.7 regionserver2 >> /etc/hosts
echo 192.168.162.129 zkhost1 >> /etc/hosts

执行脚本:

hadoop@hmaster:~$ chmod +x run_hosts.sh
hadoop@hmaster:~$ sudo ./run_hosts.sh


复制脚本到其它两个Region Server节点,并执行脚本:

hadoop@hmaster:~$ scp run_hosts.sh regionserver1:/home/hadoop/
hadoop@hmaster:~$ scp run_hosts.sh regionserver1:/home/hadoop/


HBase集群操作:

启动集群:

$ bin/start-hbase.sh
节点启动成功后,可以在相应节点上看到下面进程:

hadoop@hmaster:/usr/local/hbase$ jps
715 HMaster
992 Jps


hadoop@regionserver1:~$ jps
247 HRegionServer
423 Jps


hadoop@regionserver2:~$ jps
264 HRegionServer
486 Jps


通过宿主机访问WEB控制台:
http://宿主机IP:16010
界面效果图:



HBase配置文件:

hbase-env.sh:

编辑内如下:

export JAVA_HOME=/usr/local/jdk1.7.0_80
export HBASE_MANAGES_ZK=false


hbase-site.xml:

<?xml version="1.0"?>
<?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
<!--
-->
<configuration>
<property>
<name>hbase.rootdir</name>
<value>hdfs://hadoop-master:8020/hbase</value>
</property>
<property>
<name>hbase.cluster.distributed</name>
<value>true</value>
</property>
<property>
<name>hbase.zookeeper.quorum</name>
<value>zkhost1</value>
</property>
<property>
<name>hbase.zookeeper.property.dataDir</name>
<value>/opt/hadoop/data/zookeeper</value>
</property>
</configuration>


regionservers:

hregionserver1
hregionserver2


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