Prometheus + Grafana 监控 MySQL 数据库 - IT评测·应用市场-qidao123.com

# 初始化 MySQL 配置，随着容器启动自动执行
mkdir -p /etc/mysql/init.d
cat > /etc/mysql/init.d/schema.sql <<-'EOF'
SET NAMES utf8mb4;
SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0;
SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0;
SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='TRADITIONAL';
# 初始化数据库 + 表
DROP DATABASE IF EXISTS sakila;
CREATE DATABASE sakila;
USE sakila;
CREATE TABLE actor (
actor_id SMALLINT UNSIGNED NOT NULL AUTO_INCREMENT,
first_name VARCHAR(45) NOT NULL,
last_name VARCHAR(45) NOT NULL,
last_update TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
PRIMARY KEY (actor_id),
KEY idx_actor_last_name (last_name)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
# 创建 remote 用户，允许任何主机连接
CREATE USER remote@'%' IDENTIFIED with mysql_native_password BY 'remote';
grant all privileges on *.* to remote@'%';
# 创建 exporter 用户，进行访问授权
CREATE USER 'exporter'@'%' IDENTIFIED BY 'exporter';
GRANT PROCESS, REPLICATION CLIENT, SELECT ON *.* TO 'exporter'@'%';
GRANT SELECT ON performance_schema.* TO 'exporter'@'%';
flush privileges;
EOF

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docker run -d -p 9104:9104 --name mysql_exporter -e DATA_SOURCE_NAME="exporter:exporter@(172.16.0.178:3306)/sakila" prom/mysqld-exporter

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mkdir /etc/prometheus
cat > /etc/prometheus/prometheus.yml <<-'EOF'
# 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"
# metrics_path defaults to '/metrics'
# scheme defaults to 'http'.
static_configs:
- targets: ["localhost:9090"]
### 以下内容为 MySQL 配置
- job_name: 'mysql_metrics'
scrape_interval: 5s
metrics_path: '/metrics'
static_configs:
# mysql-exporter 容器内网IP:端口号
- targets: ['172.16.0.178:9104']
EOF

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docker run -d -p 9090:9090 --name=prometheus -v /etc/prometheus/prometheus.yml:/etc/prometheus/prometheus.yml bitnami/prometheus:latest

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