Cara Mudah Monitoring VM Ubuntu Menggunakan Node Exporter, Prometheus dan Grafana – Bagian II

wget https://github.com/prometheus/prometheus/releases/download/v2.33.0/prometheus-2.33.0.linux-amd64.tar.gz

tar xvfz prometheus-2.33.0.linux-amd64.tar.gz

mv prometheus-2.33.0.linux-amd64 /opt

sudo cp /opt/prometheus-2.33.0.linux-amd64/prometheus.yml /opt/prometheus-2.33.0.linux-amd64/prometheus.yml.bak

sudo nano /opt/prometheus-2.33.0.linux-amd64/prometheus.yml

# my global config
global:
  scrape_interval: 15s # Set the scrape interval to every 15 seconds. Default is every 1 minute.
  evaluation_interval: 15s # Evaluate rules every 15 seconds. The default is every 1 minute.
  # scrape_timeout is set to the global default (10s).

# Alertmanager configuration
alerting:
  alertmanagers:
    - static_configs:
        - targets:
          # - alertmanager:9093

# Load rules once and periodically evaluate them according to the global 'evaluation_interval'.
rule_files:
  # - "first_rules.yml"
  # - "second_rules.yml"

# A scrape configuration containing exactly one endpoint to scrape:
# Here it's Prometheus itself.
scrape_configs:
  # The job name is added as a label `job=job_name` to any timeseries scraped from this config.
  - job_name: 'loadbalancer'

    # metrics_path defaults to '/metrics'
    # scheme defaults to 'http'.

    static_configs:
    - targets: 
      - '10.60.60.43:9100'
      - '10.60.60.44:9100'

  - job_name: 'master'
    static_configs:
    - targets:
      - '10.60.60.51:9100'
      - '10.60.60.52:9100'
      - '10.60.60.53:9100'

  - job_name: 'worker'
    static_configs:
    - targets:
      - '10.60.60.54:9100'
      - '10.60.60.55:9100'
      - '10.60.60.56:9100'

nano /etc/systemd/system/prometheus_server.service

[Unit]
Description=Prometheus Server

[Service]
User=root
ExecStart=/opt/prometheus-2.33.0.linux-amd64/prometheus --config.file=/opt/prometheus-2.33.0.linux-amd64/prometheus.yml --web.external-url=http://10.60.60.43:9090/

[Install]
WantedBy=default.target

systemctl enable prometheus_server.service

systemctl start prometheus_server.service

systemctl status prometheus_server.service

root@rb-k8s-lb1:/opt/prometheus-2.33.0.linux-amd64# systemctl status prometheus_server.service
● prometheus_server.service - Prometheus Server
     Loaded: loaded (/etc/systemd/system/prometheus_server.service; enabled; vendor preset: enabled)
     Active: active (running) since Fri 2022-03-11 18:59:53 UTC; 2s ago
   Main PID: 1408527 (prometheus)
      Tasks: 10 (limit: 4676)
     Memory: 70.7M
     CGroup: /system.slice/prometheus_server.service
             └─1408527 /opt/prometheus-2.33.0.linux-amd64/prometheus --config.file=/opt/prometheus-2.33.0.linux-amd64/prometheus.yml --web.external-url=http://10.60.60.43:9090/

Mar 11 18:59:54 rb-k8s-lb1 prometheus[1408527]: ts=2022-03-11T18:59:54.952Z caller=head.go:604 level=info component=tsdb msg="WAL segment loaded" segment=371 maxSegment=374
Mar 11 18:59:55 rb-k8s-lb1 prometheus[1408527]: ts=2022-03-11T18:59:55.148Z caller=head.go:604 level=info component=tsdb msg="WAL segment loaded" segment=372 maxSegment=374
Mar 11 18:59:55 rb-k8s-lb1 prometheus[1408527]: ts=2022-03-11T18:59:55.340Z caller=head.go:604 level=info component=tsdb msg="WAL segment loaded" segment=373 maxSegment=374
Mar 11 18:59:55 rb-k8s-lb1 prometheus[1408527]: ts=2022-03-11T18:59:55.341Z caller=head.go:604 level=info component=tsdb msg="WAL segment loaded" segment=374 maxSegment=374
Mar 11 18:59:55 rb-k8s-lb1 prometheus[1408527]: ts=2022-03-11T18:59:55.341Z caller=head.go:610 level=info component=tsdb msg="WAL replay completed" checkpoint_replay_duration=1.203064377s wal_replay_duration=534.227604ms total_replay_duration=1.776991108s
Mar 11 18:59:55 rb-k8s-lb1 prometheus[1408527]: ts=2022-03-11T18:59:55.346Z caller=main.go:944 level=info fs_type=EXT4_SUPER_MAGIC
Mar 11 18:59:55 rb-k8s-lb1 prometheus[1408527]: ts=2022-03-11T18:59:55.346Z caller=main.go:947 level=info msg="TSDB started"
Mar 11 18:59:55 rb-k8s-lb1 prometheus[1408527]: ts=2022-03-11T18:59:55.346Z caller=main.go:1128 level=info msg="Loading configuration file" filename=/opt/prometheus-2.33.0.linux-amd64/prometheus.yml
Mar 11 18:59:55 rb-k8s-lb1 prometheus[1408527]: ts=2022-03-11T18:59:55.357Z caller=main.go:1165 level=info msg="Completed loading of configuration file" filename=/opt/prometheus-2.33.0.linux-amd64/prometheus.yml totalDuration=10.632798ms db_storage=1.542µs remote_stora>
Mar 11 18:59:55 rb-k8s-lb1 prometheus[1408527]: ts=2022-03-11T18:59:55.357Z caller=main.go:896 level=info msg="Server is ready to receive web requests."
root@rb-k8s-lb1:/opt/prometheus-2.33.0.linux-amd64# 

root@rb-k8s-lb1:/opt/prometheus-2.33.0.linux-amd64# curl 10.60.60.43:9090

Ok gaes, untuk kali ini sampai sini dulu, nanti kita lanjut untuk install Grafananya yah, terimakasih