Instalasi Prometheus Server di CentOS 7

Tutorial ini menjelaskan step by step instalasi Prometheus Server di CentOS 7. Komponen Prometheus Server ini bertugas melakukan scraping data monitoring yang di-expose oleh target host dan menyimpan data tersebut dalam bentuk time series.

Kebutuhan

• CentOS 7
• Prometheus Server

Instalasi

Versi Prometheus Server yang digunakan dalam tutorial ini adalah v2.3.1. Download paket Prometheus Server:

cd /opt

wget https://github.com/prometheus/prometheus/releases/download/v2.3.1/prometheus-2.3.1.linux-amd64.tar.gz

Uncompress paket Prometheus Server:

tar xvfz prometheus-2.3.1.linux-amd64.tar.gz

cd prometheus-2.3.1.linux-amd64

Cek versi Prometheus Server

./prometheus --version

Buat file dengan nama config.yml:

vi config.yml

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global:
  scrape_interval: 15s
  evaluation_interval: 15s

scrape_configs:
  - job_name: 'prometheus'
static_configs:
  - targets: ['localhost:9090']

Jalankan Prometheus Server dengan perintah berikut:

./prometheus --config.file=config.yml

Buka browser dan akses url berikut:

• http://ip-address-host:9090/graph
• http://ip-address-host:9090/metrics

Prometheus Server Dashboard:

Running Prometheus Server as a Service:

vi /etc/systemd/system/prometheus_server.service

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[Unit]
Description=Prometheus Server

[Service]
User=root
ExecStart=/opt/prometheus-2.3.1.linux-amd64/prometheus

[Install]
WantedBy=default.target

Start Prometheus Server service:

systemctl daemon-reload

systemctl enable prometheus_server.service

systemctl start prometheus_server.service

systemctl status prometheus_server.service

journalctl -u prometheus_server