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1 分钟
prometheus远程写
场景
prometheus远程存储数据到另一prometheus,grafana只连接一个prometheus作为数据源
k8s内prometheus数据存储到外部prometheus
案例
外部prometheus
docker-compose-1.yaml
version: '3'
services:
prometheus-1:
# Prometheus版本要 > v2.25.0
image: prom/prometheus
container_name: prometheus-1
hostname: prometheus
user: root
restart: always
ports:
- "9090:9090"
volumes:
# 数据存储
- /root/prometheus-1/data:/prometheus
# 配置
- /root/prometheus-1/conf:/etc/prometheus
# 主机映射
- /etc/hosts:/etc/hosts
# 时区
- /etc/localtime:/etc/localtime
command:
- '--config.file=/etc/prometheus/prometheus.yaml'
# 主要配置:开启远程写入
- '--enable-feature=remote-write-receiver'
配置文件:/root/prometheus-1/conf/prometheus.yaml
global:
scrape_interval: 30s
scrape_timeout: 15s
evaluation_interval: 30s
启动
docker compose -f docker-compose-1.yaml up -d
k8s内prometheus
由于本人k8s内prometheus是helm安装,helm value.yaml配置太长就不展示了,用docker启动prometheus做简单演示
docker-compose-2.yaml
version: '3'
services:
prometheus-2:
# Prometheus版本要 > v2.25.0
image: prom/prometheus
container_name: prometheus-2
hostname: prometheus
user: root
restart: always
volumes:
# 配置
- /root/prometheus-2/conf:/etc/prometheus
command:
- '--config.file=/etc/prometheus/prometheus.yaml'
配置文件:/root/prometheus-2/conf/prometheus.yaml
global:
scrape_interval: 30s
scrape_timeout: 15s
evaluation_interval: 30s
scrape_configs:
- job_name: prometheus
static_configs:
- targets: ['localhost:9090']
labels:
instance: prometheus-2
启动
docker compose -f docker-compose-2.yaml up -d