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Prometheus (Docker)

2018-03-26
#Prometheus

環境準備

Ubuntu 16.04 LTS

Docker 1.12+

前置安裝

# Check Version

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sudo apt-get install -y docker.io

# Check Docker Version

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sudo docker version

安裝 mysqld_exporter

# 啟動mysqld_exporter容器

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docker run --name mysqld_exporter -d -p 9104:9104 --restart=always \
  -e DATA_SOURCE_NAME="exporter:exporter@(localhost:3306)/mysql" \
  prom/mysqld-exporter

# 查看容器日誌，確定容器正常運行

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docker logs -f mysqld_exporter

# 確認exporter有導出數據

瀏覽器訪問http://localhost:9104

安裝prometheus

# 創建資料夾

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mkdir -p /home/docker/prometheus

# 創建Data資料夾

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mkdir -p /home/docker/prometheus/prometheus-data

# 編輯yml文件

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vim /home/docker/prometheus/prometheus.yml

# 配置文檔如下

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# 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: 'prometheus'
    static_configs:
      - targets: ['localhost:9090']
        labels:
          instance: prometheus

  - job_name: 'mysql'
    scrape_interval: 15s
    static_configs:
      - targets:
        - 'localhost:9104'
        labels:
          instance: db1

# 啟動prometheus容器

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docker run --name prometheus -d -p 9090:9090 --restart=always \
  -v /home/docker/prometheus/prometheus-data:/prometheus-data \
  -v /home/docker/prometheus/prometheus.yml:/etc/prometheus/prometheus.yml \
  prom/prometheus

# 確認Targets

瀏覽器訪問http://localhost:9090/targets

安裝Grafana

# 創建資料夾

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mkdir -p /home/docker/grafana

# 創建Data資料夾

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mkdir -p /home/docker/grafana/data

# 啟動grafana容器

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docker run --name grafana -d -p 3000:3000 --restart=always \
  -e "GF_SECURITY_ADMIN_PASSWORD=admin" \
  -v /home/docker/grafana/data:/var/lib/grafana \
  grafana/grafana

# 登入grafana介面

瀏覽器訪問http://localhost:3000

帳號admin

密碼admin

# Add deta source

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