How to Use

• Install Maven2
• Install Ella
• Modify properties of ella
• Start Jetty
• Stop Jetty

Notice

You must not install Ella on HBase Master machine.

Install Maven2

1. Download Maven2.2.1

wget http://mirrors.cnnic.cn/apache/maven/maven-2/2.2.1/binaries/apache-maven-2.2.1-bin.zip

2. unzip

sudo -s
mkdir /opt/modules
mv apache-maven-2.2.1-bin.zip /opt/modules
unzip apache-maven-2.2.1-bin.zip

3. Environment Add these code to /etc/profile

export JAVA_HOME=/usr/java/default
MAVEN_HOME=/opt/modules/apache-maven-2.2.1
M2_HOME=/opt/modules/apache-maven-2.2.1
export MAVEN_HOME
export M2_HOME
PATH=$JAVA_HOME/bin:${MAVEN_HOME}/bin:$PATH
export PATH

4. Execute command:

source /etc/profile

5. Verify installation execute command:

mvn -version

The print information like this if installed sucessfully:

Apache Maven 2.2.1 (rdebian-8)
Java version: 1.6.0_38
Java home: /usr/lib/jvm/jdk1.6.0_38/jre
Default locale: zh_CN, platform encoding: UTF-8
OS name: "linux" version: "3.2.0-33-generic" arch: "amd64" Family: "unix"

6. config the hosts

Add the ip-hostname pairs to /etc/hosts of the machine which your install Ella. like this:

cat /etc/hosts
# Do not remove the following line, or various programs
# that require network functionality will fail.
127.0.0.1		localhost.localdomain localhost
::1		localhost6.localdomain6 localhost6
192.168.1.11	hbase-master
192.168.1.12	hbase-rs12
192.168.1.13	hbase-rs13
192.168.1.14	hbase-rs14
192.168.1.15	hbase-rs15

Install Ella

1. Download src

wget https://github.com/mayanhui/ella/archive/master.zip

2. unzip

mv master /opt/modules/
cd /opt/modules
unzip master

3. ls -l

You can see the elle-master directory like this:

[root@hbase-master ella-master]# ls -l
drwxr-xr-x 8 root root  4096 07-29 14:58 jetty-server
-rw-r--r-- 1 root root 35127 07-29 14:58 LICENSE
-rw-r--r-- 1 root root  4680 07-29 14:58 pom.xml
-rw-r--r-- 1 root root  8889 07-29 14:58 pom.xml.bak
-rw-r--r-- 1 root root  1892 07-29 14:58 README.md
drwxr-xr-x 3 root root  4096 07-29 14:58 src

Modify properties of ella

1. ella.properties Execute the command:

cd /opt/modules/ella-master/src/main/resources
vi ella.properties

(1) zk

Replace these 3 properties:

hbase.master=192.168.2.61:60000
hbase.zookeeper.quorum=192.168.2.64,192.168.2.63,192.168.2.62
hbase.zookeeper.property.clientPort=2181

(2) url

Replace the hostname and port to your HBase Master in url. You master comply with the url format like below:

ella.hbase.master.baseurl=http://hbase-master:60010/

(3) mysql

Replace the mysql server info like below:

mysql.db.driver=com.mysql.jdbc.Driver
mysql.db.url=jdbc:mysql://localhost:3306/hbase
mysql.db.user=hbase
mysql.db.pwd=hbase

2. DataBase and Table

The sql is in the file:

ella-master/src/main/resources/ella-hbase.sql

You need create database, user and tables. Use this command:

source ${BASE_PATH}/ella-master/src/main/resources/ella-hbase.sql

3. mvn clean install

Use the above command to compile ella source code and package to war. You can see the maven download dependency pom and jar file from remote maven repos. This step need about a few minutes. Have a cup of coffee!

Start Jetty

cd /opt/modules/ella-master/jetty-server
bin/jetty.sh start

Open web app with url:

http://localhost:8080/ella/

Default username and password:

• user: admin
• password: admin123

Stop, Redeploy and Restart

cd /opt/modules/ella-master/jetty-server
bin/jetty.sh stop