grafana 高可用

grafana 可视化工具 how to setup grafana ha

install

wget https://dl.grafana.com/oss/release/grafana-5.3.4-1.aarch64.rpm 
yum localinstall grafana-5.3.4-1.aarch64.rpm 

/etc/init.d/grafana-server start
/etc/init.d/iptables status &> /dev/null && iptables -I INPUT 1 -p tcp -m state --state NEW -m tcp --dport 3000 -j ACCEPT && service iptables save

# UI (默认用户密码 admin/admin)
http://127.0.0.1:3000

problem

• 数据共享存储问题
• 处理session问题
• nginx的upstream代理

configuration

• grafana

  # 建库
  > create database grafana
  
  # egrep -v  "^$|;|#"  /etc/grafana/grafana.ini
  [paths]
  data = /var/lib/grafana
  [server]
  http_port = 3000
  root_url = http://127.0.0.1/dash
  
  ; db共享
  [database]
  type = mysql
  host = 127.0.0.1:3306
  name = grafana
  user = abc
  password = abc
  
  ; session共享
  [session]
  provider = mysql
  provider_config = abc:abc@tcp(127.0.0.1:3306)/grafana
  cookie_name = grafana_sess
  cookie_secure = false
  session_life_time = 86400
  
  [security]
  admin_user = admin
  admin_password = 123@t8t.com
  
  [auth.anonymous]
  enabled = true
  

• nginx nginx-upstream容错说明

  upstream mdash {
          server 127.0.0.1:3000 weight=10 fail_timeout=10s;
          server 192.168.1.1:3000 weight=10 fail_timeout=10s;
          keepalive 65;
  }
  server {
          listen       80;
          server_name  dash.abc.com;
          access_log   /var/log/nginx/dash_abc_access.log main;
          error_log    /var/log/nginx/dash_abc_error.log;
  
       location /dash/ {
                proxy_set_header  Host $host;
                proxy_set_header  X-Real-IP  $remote_addr;
                proxy_set_header  X-Forwarded-For $proxy_add_x_forwarded_for;
                proxy_set_header X-Forwarded-For $remote_addr;
                proxy_connect_timeout   30;
                proxy_send_timeout      30;
                proxy_read_timeout      30;
                # nginx容错
                proxy_next_upstream     http_500 http_502 error timeout invalid_header http_503; 
                proxy_pass http://mdash/;
          }
  }