一、安装Prometheus

1、下载Prometheus

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sudo wget https://github.com/prometheus/prometheus/releases/download/v3.2.1/prometheus-3.2.1.linux-amd64.tar.gz

2、解压

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sudo tar xf  prometheus-3.2.1.linux-amd64.tar.gz

3、将解压的文件移动到/usr/local下

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sudo mv prometheus-3.2.1.linux-amd64 /usr/local/prometheus-3.2.1

4、修改prometheus.yml文件

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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

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: "prometheus"

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

    static_configs:
      - targets: ["localhost:9090"]

5、将服务添加系统服务中

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cat << eof | sudo tee /usr/lib/systemd/system/prometheus-server.service
[Unit]
Description=Prometheus Server
Documentation=https://prometheus.io/docs/introduction/overview/
After=network-online.target

[Service]
Restart=always
ExecStart=/usr/local/prometheus-3.2.1/prometheus --config.file=/usr/local/prometheus-3.2.1/prometheus.yml --storage.tsdb.path=/usr/local/prometheus-3.2.1/data
ExecReload=/bin/kill -HUP \$MAINPID
[Install]
WantedBy=multi-user.target
eof