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TicketMonster App Setup Memo - Frontend (mod-cluster and wildfly)
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ticketmonster-frontend-setup.md

TicketMonster App Setup Memo - Frontend: Wildfly and mod-cluster

Environment:

  • CentOS based 7.4
$ cat /etc/redhat-release
CentOS Linux release 7.4.1708 (Core)

Installation

JDK

sudo yum -y install java-1.8.0-openjdk-devel.x86_64

Marven

sudo yum install -y maven

Wildfly

$ cd works
$ wget http://download.jboss.org/wildfly/8.2.0.Final/wildfly-8.2.0.Final.zip
$ sudo mkdir /opt/jboss/
$ sudo unzip wildfly-8.2.0.Final.zip -d /opt/jboss

ヒープサイズを変更する。

  • Xms64m -> -Xms512m
  • Xmx512m -> -Xmx1024m
  • XX:MaxPermSize=256m -> -XX:MaxPermSize=1024m
$ cd /opt/jboss/wildfly-8.2.0.Final/bin/
$ cp -p standalone.conf standalone.conf.org
$ vim standalone.conf

# JAVA_OPTS="-Xms64m -Xmx512m -XX:MaxPermSize=256m -Djava.net.preferIPv4Stack=true"
JAVA_OPTS="-Xms512m -Xmx1024m -XX:MaxPermSize=1024m -Djava.net.preferIPv4Stack=true"

バインドアドレスを 127.0.0.1　→ 0.0.0.0へ変更する。

$ cd /opt/jboss/wildfly-8.2.0.Final/standalone/configuration
$ sudo cp -p standalone.xml standalone.xml.org
$ sudo  vim standalone.xml

JBossの管理コンソールへログインするためのユーザを作成する。

  • ユーザ名 : admin
  • パスワード : P@ssw0rd
cd /opt/jboss/wildfly-8.2.0.Final/bin/
sudo ./add-user.sh

What type of user do you wish to add?
 a) Management User (mgmt-users.properties)
 b) Application User (application-users.properties)
(a): a

Enter the details of the new user to add.
Using realm 'ManagementRealm' as discovered from the existing property files.
Username : admin
The username 'admin' is easy to guess
Are you sure you want to add user 'admin' yes/no? yes
Password recommendations are listed below. To modify these restrictions edit the add-user.properties configuration file.
 - The password should not be one of the following restricted values {root, admin, administrator}
 - The password should contain at least 8 characters, 1 alphabetic character(s), 1 digit(s), 1 non-alphanumeric symbol(s)
 - The password should be different from the username
Password :
Re-enter Password :
What groups do you want this user to belong to? (Please enter a comma separated list, or leave blank for none)[  ]:
About to add user 'admin' for realm 'ManagementRealm'
Is this correct yes/no? yes
Added user 'admin' to file '/opt/jboss/wildfly-8.2.0.Final/standalone/configuration/mgmt-users.properties'
Added user 'admin' to file '/opt/jboss/wildfly-8.2.0.Final/domain/configuration/mgmt-users.properties'
Added user 'admin' with groups  to file '/opt/jboss/wildfly-8.2.0.Final/standalone/configuration/mgmt-groups.properties'
Added user 'admin' with groups  to file '/opt/jboss/wildfly-8.2.0.Final/domain/configuration/mgmt-groups.properties'
Is this new user going to be used for one AS process to connect to another AS process?
e.g. for a slave host controller connecting to the master or for a Remoting connection for server to server EJB calls.
yes/no? no

TicketMonster

Download app

sudo yum install git
cd works
git clone https://github.com/jboss-developer/ticket-monster.git

build app

$ mvn clean package

...
[INFO] Packaging webapp
[INFO] Assembling webapp [ticket-monster] in [/home/azureuser/works/ticket-monster/demo/target/ticket-monster]
[INFO] Processing war project
[INFO] Copying webapp resources [/home/azureuser/works/ticket-monster/demo/src/main/webapp]
[INFO] Webapp assembled in [245 msecs]
[INFO] Building war: /home/azureuser/works/ticket-monster/demo/target/ticket-monster.war
[INFO] WEB-INF/web.xml already added, skipping
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 2:13.799s
[INFO] Finished at: Tue May 08 18:46:43 UTC 2018
[INFO] Final Memory: 28M/179M
[INFO] ------------------------------------------------------------------------

target/ticket-monster.warができていればOK

Start Jboss & Check

sudo /opt/jboss/wildfly-8.2.0.Final/bin/standalone.sh

Check if it's running

curl http://localhost:8080

Deploy application

sudo cp -p target/ticket-monster.war /opt/jboss/wildfly-8.2.0.Final/standalone/deployments/

Accesssing the application

curl http://localhost:8080/ticket-monster/
# from public IP
curl http://<Wildfly Server Public IP>:8080/ticket-monster/

import.sqlの修正. 下記import.sqlの内容をこちらに変更.

cd ticket-monster/demo/src/main/resources
mv import.sql import.sql.org
wget https://raw.githubusercontent.com/ikedaj/JBossExample/master/ticket-monster/demo/src/main/resources/import.sql

続いてjboss-deployment-structure.xml」に「resteasy-jackson-provider」を設定する。

# vim ./src/main/webapp/WEB-INF/jboss-deployment-structure.xml

<jboss-deployment-structure>
    <deployment>
        <exclusions>
        </exclusions>
        <!-- This allows you to define additional dependencies, it is the same
  as using the Dependencies: manifest attribute -->
        <dependencies>
            <module name="org.jboss.resteasy.resteasy-jackson-provider" annotations="true" />
            <module name="org.jboss.as.naming" />
            <module name="org.jboss.as.server" />
            <module name="org.jboss.msc" />
        </dependencies>
    </deployment>
</jboss-deployment-structure>

Build and deploy again

mvn clean package
sudo cp -p target/ticket-monster.war /opt/jboss/wildfly-8.2.0.Final/standalone/deployments/

Accesssing the application

curl http://<Wildfly Server Public IP>:8080/ticket-monster/

Change Database to Access (from Memory Base DB to PostgreSQL)

Download JDBC driver

wget https://jdbc.postgresql.org/download/postgresql-9.4-1201.jdbc4.jar

Deploy JDBC driver

sudo mkdir -p /opt/jboss/wildfly-8.2.0.Final/modules/system/layers/base/org/postgresql/main
sudo cp -p /tmp/postgresql-9.4-1201.jdbc4.jar /opt/jboss/wildfly-8.2.0.Final/modules/system/layers/base/org/postgresql/main

Add configuration file to read the JDBC Driver

$ cd /opt/jboss/wildfly-8.2.0.Final/modules/system/layers/base/org/postgresql/main

$ vim module.xml

<module xmlns="urn:jboss:module:1.0" name="org.postgresql">
   <resources>
     <resource-root path="postgresql-9.4-1201.jdbc4.jar"/>
   </resources>
   <dependencies>
      <module name="javax.api"/>
      <module name="javax.transaction.api"/>
    </dependencies>
</module>

Configure Datasource

$ cd /opt/jboss/wildfly-8.2.0.Final/standalone/configuration
$ sudo cp -p standalone.xml standalone.xml.tmp
sudo  vim standalone.xml

# <datasources> - </datasources>に次の設定をいれる

                <datasource jndi-name="java:jboss/datasources/TicketMonsterPostgreSQLDS" pool-name="PostgreSQLDS" enabled="true">
                    <connection-url>jdbc:postgresql://postgres:5432/ticketmonster</connection-url>
                    <driver>org.postgresql</driver>
                    <transaction-isolation>TRANSACTION_READ_COMMITTED</transaction-isolation>
                    <pool>
                        <min-pool-size>10</min-pool-size>
                        <max-pool-size>100</max-pool-size>
                        <prefill>true</prefill>
                    </pool>
                    <security>
                        <user-name>***USER***</user-name>
                        <password>***PASSWORD***</password>
                    </security>
                    <statement>
                        <prepared-statement-cache-size>32</prepared-statement-cache-size>
                        <share-prepared-statements>true</share-prepared-statements>
                    </statement>
                </datasource>

                    <driver name="org.postgresql" module="org.postgresql">
                        <xa-datasource-class>org.postgresql.xa.PGXADataSource</xa-datasource-class>
                    </driver>

DB Data Persisitence 設定

デフォルトの設定では、インスタンスの停止時にテーブルを削除する設定のため、テーブルを維持する設定へ変更する

cd ticket-monster/demo/src/main/resources-postgresql/META-INF
cp -p persistence.xml persistence.xml.org
vi persistence.xml

# <property name="hibernate.hbm2ddl.auto" value="create-drop" />
<property name="hibernate.hbm2ddl.auto" value="update" />

HOST追加

sudo vi /etc/hosts

# <PostgreSQL server IP> postgres
172.16.9.7 postgres

Build and deploy again in order to leverage PostgreSQL for persistent data store

$ cd ticket-monster/demo
$ mvn clean package -Ppostgresql
$ sudo cp -p target/ticket-monster.war /opt/jboss/wildfly-8.2.0.Final/standalone/deployments/

mod-cluster configuration

Start Script

HOSTNAME=`hostname --ip-address`
#HOSTNAME="dc2018app001"
LOG=/home/azureuser/wildfly/log/wildfly.log
sudo /opt/jboss/wildfly-8.2.0.Final/bin/standalone.sh -c standalone-ha.xml -b=$HOSTNAME -bmanagement=$HOSTNAME -u 230.0.0.4 -Djboss.node.name=$HOSTNAME 2>&1 | tee $LOG &

standalone-ha.xmlへの追加修正

  • バインドアドレスを 127.0.0.1　→ 0.0.0.0へ変更する。
  • Datasourceの追加
sudo vi /opt/jboss/wildfly-8.2.0.Final/standalone/configuration/standalone-ha.xml

Download Apache httpd and Install

cd /
wget http://downloads.jboss.org/mod_cluster//1.2.6.Final/linux-x86_64/mod_cluster-1.2.6.Final-linux2-x64.tar.gz

sudo tar zxvf mod_cluster-1.2.6.Final-linux2-x64.tar.gz

# -> これで /opt/jboss/httpd/ 配下に展開される

Configuration

sudo vi /opt/jboss/httpd/httpd/conf/httpd.conf

Listen <modcluster server IP>:8081

...

<IfModule manager_module>
  Listen 80
  ManagerBalancerName mycluster
  <VirtualHost *:80>
    <Location />
     Order allow,deny
     Deny from none
     #Allow from 172.
     Allow from all
    </Location>

    KeepAliveTimeout 300
    MaxKeepAliveRequests 0
    #ServerAdvertise on http://@IP@:80
    AdvertiseFrequency 5
    #AdvertiseSecurityKey secret
    #AdvertiseGroup @ADVIP@:23364
    EnableMCPMReceive

    <Location /mcm>
       SetHandler mod_cluster-manager
       Order allow,deny
       #Deny from all
       Allow from all
    </Location>
 ProxyPass / balancer://mycluster/

  </VirtualHost>
</IfModule>

LINKS

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