timescaledb 集成prometheus

timescaledb 1.0 已经发布了，同时支持prometheus

使用doker-compose 运行

环境准备

• docker-compose 文件

version: '2.1'
services:
 pg_prometheus:
   image: timescale/pg_prometheus:master
   command: -c synchronous_commit=OFF
   container_name: pg_prometheus
   ports:
   - "5432:5432"
   healthcheck:
     test: ["CMD-SHELL", "pg_isready -U postgres"]
     interval: 1s
     timeout: 5s  
     retries: 10
 prometheus_postgresql_adapter:
   image: timescale/prometheus-postgresql-adapter:master
   ports:
     - "9201:9201"
   depends_on:
     pg_prometheus:
       condition: service_healthy
   command: "-pg.host=pg_prometheus -pg.prometheus-log-samples"
 node_exporter:
   image: quay.io/prometheus/node-exporter
   ports:
     - "9100:9100"
 prometheus:
   image: prom/prometheus
   ports:
     - "9090:9090"
   volumes:
     - ${PWD}/prometheus.yml:/etc/prometheus/prometheus.yml

• prometheus 配置

global:
 scrape_interval: 10s
 evaluation_interval: 10s
scrape_configs:
 - job_name: prometheus
   static_configs:
     - targets: ['node_exporter:9100']
remote_write:
 - url: "http://prometheus_postgresql_adapter:9201/write"
remote_read:
 - url: "http://prometheus_postgresql_adapter:9201/read"

运行

• 启动

docker-compose up -d

• 效果
  

参考资料

https://docs.timescale.com/v1.0/tutorials/prometheus-adapter