WordPress-Load-Balance-Layer-7
===============

Repositori berisi langkah konfigurasi load balancing pada WordPress khususnya pada layer 7

## Persiapan
- 1 Node Load Balance
  - server-ha.floss.my.id
- 2 Node Backend Webserver
  - backend1.floss.my.id
  - backend2.floss.my.id
- 1 Node Database
  - server-db.floss.my.id

## Pre-installation

**1. Buat bash script untuk otomasi install paket epel**

`$ vi epel.sh`
```sh
#!/bin/bash
for i in server-ha.floss.my.id \
backend1.floss.my.id \
backend2.floss.my.id \
server-db.floss.my.id
do
   ssh root@"$i" yum install epel-release htop yum-utils -y
done
```

Beri permission `execute` pada file `epel.sh` :

`$ chmod +x epel.sh`

Eksekusi file tersebut :

`$ ./epel.sh`

**2. Buat bash script untuk otomasi install paket nginx dan php**

`$ vi ephp.sh`

```sh
#!/bin/bash
for i in backend1.floss.my.id \
backend2.floss.my.id
do
   ssh root@"$i" yum install nginx -y;
   ssh root@"$i" "systemctl enable nginx && systemctl start nginx";
   ssh root@"$i" yum install http://rpms.remirepo.net/enterprise/remi-release-7.rpm -y;
   ssh root@"$i" yum-config-manager --enable remi-php72;
   ssh root@"$i" yum -y install php \
			   php-intl \
			   php-common \
			   php-opcache \
			   php-mcrypt \
			   php-cli \
			   php-gd \
			   php-curl \
			   php-mysqlnd  \
			   php-dom \
			   php-curl \
			   php-zip \
			   php-mbstring \
			   php-xml \
			   php-xmlreader \
			   php-simplexml \
			   php-bcmath \
			   php-soap \
			   php-amqplib \
			   php-fpm;
    ssh root@"$i" "systemctl enable php-fpm && systemctl start php-fpm";
done
```

Beri permission `execute` pada file `epel.sh` :

`$ chmod +x ephp.sh`

Eksekusi file tersebut :

`$ ./ephp.sh`

**3. Install HAProxy pada node load balance**

`$ yum install haproxy -y`

Jalankan service HAProxy

`$ systemctl start haproxy`

Aktifkas service HAProxy

`$ systemctl enable haproxy`

**4. Install MariaDB pada node database**

Tambahkan repository MariaDB :

`$ vi /etc/yum.repos.d/mariadb.repo`

```
[mariadb]
name = MariaDB
baseurl = http://yum.mariadb.org/10.1/centos7-amd64
gpgkey=https://yum.mariadb.org/RPM-GPG-KEY-MariaDB
gpgcheck=1
```

Install MariaDB

`$ yum install -y mariadb-server`

Jalankan service HAProxy

`$ systemctl start mariadb`

Aktifkas service HAProxy

`$ systemctl enable mariadb`

## Konfigurasi

**1. Konfigurasi Server Block pada Node Backend Webserver :**

Download server block yang akan digunakan :

`$ curl "https://git.leon36.web.id/leon/WordPress-Load-Balance-Layer-7/raw/27671cc489563e2b0b4a865eda62de92a0f9fffd/block.sh" | sh`

Verifikasi server block :

`$ ls -lah /etc/nginx/conf.d/blocks.conf`

`$ cat /etc/nginx/conf.d/blocks.conf`

**2. Konfigurasi file php-fpm :**