推薦
一分鐘部署完Prometheus+alertmanager+grafana
prometheus監控alertmanager郵件釘釘告警,配置模闆,拿來就用
Prometheus告警規則(中文告警案例)
一/部署mysqld_exporter(docker-compose)
mysqld_exporter:
image: swr.cn-south-1.myhuaweicloud.com/starsl.cn/mysqld_exporter:latest
container_name: mysqld_exporter
hostname: mysqld_exporter
restart: always
ports:
- "9114:9104"
volumes:
- /usr/share/zoneinfo/PRC:/etc/localtime
environment:
MYSQLD_EXPORTER_PASSWORD: 12345678
entrypoint:
- /bin/mysqld_exporter
- --collect.info_schema.innodb_metrics
- --collect.info_schema.tables
- --collect.info_schema.processlist
- --collect.info_schema.tables.databases=*
- --mysqld.username=root
networks:
back-tier:
ipv4_address: 172.22.2.13
注:MYSQLD_EXPORTER_PASSWORD為資料庫密碼;- --mysqld.username=root為資料庫使用者;使用者權限設定Process, Replication Client。
二/修改prometheus.yml配置檔案對接consul
- job_name: multi_mysqld_exporter
scrape_interval: 15s
scrape_timeout: 5s
metrics_path: /probe
consul_sd_configs:
- server: '172.22.2.9:8500'
token: '4207df47-5534-3f11-d355-653691a46369'
refresh_interval: 30s
services: ['selfrds_exporter']
relabel_configs:
- source_labels: [__meta_consul_tags]
regex: .*OFF.*
action: drop
- source_labels: [__meta_consul_service_address,__meta_consul_service_port]
regex: ([^:]+)(?::\d+)?;(\d+)
target_label: __param_target
replacement: $1:$2
- source_labels: [__param_target]
target_label: instance
- target_label: __address__
replacement: mysqld_exporter:9104
- source_labels: ['__meta_consul_service_metadata_vendor']
target_label: vendor
- source_labels: ['__meta_consul_service_metadata_region']
target_label: region
- source_labels: ['__meta_consul_service_metadata_group']
target_label: group
- source_labels: ['__meta_consul_service_metadata_account']
target_label: account
- source_labels: ['__meta_consul_service_metadata_name']
target_label: name
- source_labels: ['__meta_consul_service_metadata_iid']
target_label: iid
- source_labels: ['__meta_consul_service_metadata_exp']
target_label: exp
- source_labels: ['__meta_consul_service_metadata_cpu']
target_label: cpu
- source_labels: ['__meta_consul_service_metadata_mem']
target_label: mem
- source_labels: ['__meta_consul_service_metadata_disk']
target_label: disk
- source_labels: ['__meta_consul_service_metadata_itype']
target_label: itype
三/ConsulManagert管理
三/Grafana檢視資料庫監控情況
相關模闆:https://grafana.com/grafana/dashboards/17320-1-mysqld-exporter-dashboard/
ID: 17320
注:mysql_exporter會增加mysql負載,如果負載已經很高了可能要需要優化一下慢sql和優化mysql相關參數。