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Grafana

 7652  16    
Grafana

Grafana

grafana安装 

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cat <<EOF > /etc/yum.repos.d/grafana.repo
[grafana]
name=grafana
baseurl=https://mirrors.tuna.tsinghua.edu.cn/grafana/yum/rpm
repo_gpgcheck=0
enabled=1
gpgcheck=0
EOF

安装插件

https://grafana.com/grafana/plugins/prometheus/installation 可以看到是默认安装的，哈哈

添加datasource

地址填http://URL:9090， URL替换成你的地址。其他不用 如果提示方法不对，把POST改成GET，，在dashboard里面import 2.0 stats，进入dashboard就可以看到界面了

lucene相关

https://lucene.apache.org/core/2_9_4/queryparsersyntax.html

https://www.elastic.co/guide/en/kibana/current/lucene-query.html

在grafana里面的query，通常都要用到lucene查询，学习下很重要，在kibana里面可以在discovery里面选择不用kql

匹配任意txt 

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liuliancao # 包含liuliancao的文档

字段包含txt 

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name:"liuliancao" # 姓名包含liuliancao的文档

字段范围 

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score:[60 TO 100] # 得分60到100
name:{Ammy TO John} #姓名Ammy和John之间但是不包含两者，注意是{}

与或非

AND OR NOT 注意是大写

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+liuliancao com # 必须包含liuliancao com可以不包含的
liuliancao -org # 包含liuliancao不包含org的

正则匹配 

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blog:"liuliancao.*"

模糊查询 

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liu~ # 拼写类似liu的
liu~0.5 # 相似度是0.5的
"liuliancao.com"~0.5

权重查询 

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liuliancao^5 blog # liuliancao权重为5，会按照权重进行返回，默认权重为1

转义

特殊字符串

  • ! { } [ ] ^ " ~ * ? : \ 
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\(1\+1\)\:2 # 匹配(1+1):2

添加几个常用模版

导入8919 linux模版 导入10467 windows模版 导入3901 php-fpm模版 windows基础监控

添加dashboard

metrics那里可以填一个up试试，如果出图了就是ok了

添加alerts

  • 首先配置里面grafana.ini alerts要enable
  • 注意表格和附带transition无法告警
  • 注意root url最好改一下 否则发的告警链接不对

添加完告警channel 可以Test一下 原生支持dingding 好评 http://www.51niux.com/?id=242

添加unified alerts

https://grafana.com/docs/grafana/latest/alerting/unified-alerting/ unifed alerts注意不要用classic condition，否则无法使用变量

另外引用labels的时候请使用 {{ index $labels "xxx.keyword" }}方式（es里面这样，其他没试，否则不出来）

测试的时候，可以把时间拉长，使用默认的grafana方式

记得先reduce在使用Math进行，

可以点击queries查看

点击preview alert查看告警信息

https://www.youtube.com/watch?v=UtmmhLraSnE 是很好的教程

使用values的时候参考 链接

{{ $values.A.xxx }} or {{ index $values "A.xxx" }} 都试试

load tests k6

https://k6.io/docs/getting-started/running-k6/

demo tests

test.js

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 cat test.js 
import http from 'k6/http';

import { sleep } from 'k6';


export default function () {

  http.get('https://test.k6.io');

  sleep(1);

}
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k6 run test.js 

          /\      |‾‾| /‾‾/   /‾‾/   
     /\  /  \     |  |/  /   /  /    
    /  \/    \    |     (   /   ‾‾\  
   /          \   |  |\  \ |  (‾)  | 
  / __________ \  |__| \__\ \_____/ .io

  execution: local
     script: test.js
     output: -

  scenarios: (100.00%) 1 scenario, 1 max VUs, 10m30s max duration (incl. graceful stop):
           * default: 1 iterations for each of 1 VUs (maxDuration: 10m0s, gracefulStop: 30s)


running (00m02.6s), 0/1 VUs, 1 complete and 0 interrupted iterations
default ✓ [======================================] 1 VUs  00m02.6s/10m0s  1/1 iters, 1 per VU

     data_received..................: 17 kB 6.6 kB/s
     data_sent......................: 442 B 173 B/s
     http_req_blocked...............: avg=787.23ms min=787.23ms med=787.23ms max=787.23ms p(90)=787.23ms p(95)=787.23ms
     http_req_connecting............: avg=251.21ms min=251.21ms med=251.21ms max=251.21ms p(90)=251.21ms p(95)=251.21ms
     http_req_duration..............: avg=770.36ms min=770.36ms med=770.36ms max=770.36ms p(90)=770.36ms p(95)=770.36ms
       { expected_response:true }...: avg=770.36ms min=770.36ms med=770.36ms max=770.36ms p(90)=770.36ms p(95)=770.36ms
     http_req_failed................: 0.00% ✓ 0        ✗ 1  
     http_req_receiving.............: avg=152.96µs min=152.96µs med=152.96µs max=152.96µs p(90)=152.96µs p(95)=152.96µs
     http_req_sending...............: avg=65.12µs  min=65.12µs  med=65.12µs  max=65.12µs  p(90)=65.12µs  p(95)=65.12µs 
     http_req_tls_handshaking.......: avg=262.1ms  min=262.1ms  med=262.1ms  max=262.1ms  p(90)=262.1ms  p(95)=262.1ms 
     http_req_waiting...............: avg=770.15ms min=770.15ms med=770.15ms max=770.15ms p(90)=770.15ms p(95)=770.15ms
     http_reqs......................: 1     0.390533/s
     iteration_duration.............: avg=2.55s    min=2.55s    med=2.55s    max=2.55s    p(90)=2.55s    p(95)=2.55s   
     iterations.....................: 1     0.390533/s
     vus............................: 1     min=1      max=1
     vus_max........................: 1     min=1      max=1

geomap

添加influxdb

variables https://grafana.com/docs/grafana/latest/datasources/influxdb/

https://docs.influxdata.com/influxdb/v1.8/query_language/explore-data/

https://docs.influxdata.com/influxdb/v1.8/query_language/explore-schema/#show-tag-values

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> SHOW TAG VALUES ON "NOAA_water_database" WITH KEY = "randtag"

监控mongodb

安装采集mongodb_exporter，注意选择兼容模式–compatible-mode，才能用下面的dashboard

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[root@test ~]# cat /etc/default/mongodb_exporter
MONGODB_EXPORTER_OPTS="--mongodb.uri=mongodb://1.1.1.1:27001 --collect-all --discovering-mode --compatible-mode"

如果有好几个shard，需要27002类似这样，具体看你shard对应的服务，暂时不 用认证

mongo dashboard json

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      "links": [],
      "nullPointMode": "null",
      "options": {
        "alertThreshold": true
      },
      "percentage": false,
      "pluginVersion": "8.3.2",
      "pointradius": 5,
      "points": false,
      "renderer": "flot",
      "seriesOverrides": [],
      "spaceLength": 10,
      "stack": false,
      "steppedLine": false,
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "mGznXG-4k"
          },
          "exemplar": true,
          "expr": "mongodb_mongod_replset_oplog_size_bytes{instance=~\"$env\"}",
          "format": "time_series",
          "interval": "",
          "intervalFactor": 2,
          "legendFormat": "{{type}}",
          "metric": "mongodb_locks_time_acquiring_global_microseconds_total",
          "refId": "A",
          "step": 240
        }
      ],
      "thresholds": [],
      "timeRegions": [],
      "title": "Oplog Size",
      "tooltip": {
        "shared": true,
        "sort": 0,
        "value_type": "individual"
      },
      "type": "graph",
      "xaxis": {
        "mode": "time",
        "show": true,
        "values": []
      },
      "yaxes": [
        {
          "format": "decbytes",
          "logBase": 1,
          "show": true
        },
        {
          "format": "short",
          "logBase": 1,
          "show": true
        }
      ],
      "yaxis": {
        "align": false
      }
    },
    {
      "aliasColors": {},
      "bars": false,
      "dashLength": 10,
      "dashes": false,
      "datasource": {
        "type": "prometheus",
        "uid": "mGznXG-4k"
      },
      "fill": 1,
      "fillGradient": 0,
      "gridPos": {
        "h": 6,
        "w": 8,
        "x": 8,
        "y": 20
      },
      "hiddenSeries": false,
      "id": 4,
      "legend": {
        "alignAsTable": false,
        "avg": false,
        "current": true,
        "hideEmpty": false,
        "hideZero": false,
        "max": false,
        "min": false,
        "rightSide": false,
        "show": true,
        "total": false,
        "values": true
      },
      "lines": true,
      "linewidth": 1,
      "links": [],
      "nullPointMode": "null",
      "options": {
        "alertThreshold": true
      },
      "percentage": false,
      "pluginVersion": "8.3.2",
      "pointradius": 5,
      "points": false,
      "renderer": "flot",
      "seriesOverrides": [],
      "spaceLength": 10,
      "stack": false,
      "steppedLine": false,
      "targets": [
        {
          "expr": "mongodb_memory{instance=~\"$env\",type=~\"resident|virtual\"}",
          "format": "time_series",
          "interval": "",
          "intervalFactor": 2,
          "legendFormat": "{{type}}",
          "refId": "A",
          "step": 240
        }
      ],
      "thresholds": [],
      "timeRegions": [],
      "title": "Memory",
      "tooltip": {
        "shared": false,
        "sort": 0,
        "value_type": "individual"
      },
      "type": "graph",
      "xaxis": {
        "mode": "time",
        "show": true,
        "values": [
          "total"
        ]
      },
      "yaxes": [
        {
          "format": "decmbytes",
          "label": "MB",
          "logBase": 1,
          "show": true
        },
        {
          "format": "short",
          "logBase": 1,
          "show": true
        }
      ],
      "yaxis": {
        "align": false
      }
    },
    {
      "aliasColors": {},
      "bars": false,
      "dashLength": 10,
      "dashes": false,
      "datasource": {
        "type": "prometheus",
        "uid": "mGznXG-4k"
      },
      "fill": 1,
      "fillGradient": 0,
      "gridPos": {
        "h": 6,
        "w": 8,
        "x": 16,
        "y": 20
      },
      "hiddenSeries": false,
      "id": 5,
      "legend": {
        "avg": false,
        "current": false,
        "max": false,
        "min": false,
        "show": true,
        "total": false,
        "values": false
      },
      "lines": true,
      "linewidth": 1,
      "links": [],
      "nullPointMode": "null",
      "options": {
        "alertThreshold": true
      },
      "percentage": false,
      "pluginVersion": "8.3.2",
      "pointradius": 5,
      "points": false,
      "renderer": "flot",
      "seriesOverrides": [],
      "spaceLength": 10,
      "stack": false,
      "steppedLine": false,
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "mGznXG-4k"
          },
          "exemplar": true,
          "expr": "rate(mongodb_network_bytes_total{instance=~\"$env\"}[$interval])",
          "format": "time_series",
          "interval": "",
          "intervalFactor": 2,
          "legendFormat": "{{state}}",
          "metric": "mongodb_metrics_operation_total",
          "refId": "A",
          "step": 240
        }
      ],
      "thresholds": [],
      "timeRegions": [],
      "title": "Network I/O",
      "tooltip": {
        "shared": true,
        "sort": 0,
        "value_type": "individual"
      },
      "type": "graph",
      "xaxis": {
        "mode": "time",
        "show": true,
        "values": []
      },
      "yaxes": [
        {
          "format": "decbytes",
          "logBase": 1,
          "show": true
        },
        {
          "format": "short",
          "logBase": 1,
          "show": true
        }
      ],
      "yaxis": {
        "align": false
      }
    },
    {
      "collapsed": false,
      "gridPos": {
        "h": 1,
        "w": 24,
        "x": 0,
        "y": 26
      },
      "id": 24,
      "panels": [],
      "title": "Alerts",
      "type": "row"
    },
    {
      "alert": {
        "conditions": [
          {
            "evaluator": {
              "params": [
                300
              ],
              "type": "gt"
            },
            "operator": {
              "type": "and"
            },
            "query": {
              "params": [
                "A",
                "15m",
                "now"
              ]
            },
            "reducer": {
              "params": [],
              "type": "avg"
            },
            "type": "query"
          }
        ],
        "executionErrorState": "keep_state",
        "frequency": "60s",
        "handler": 1,
        "message": "A MongoDB oplog replication has been 5 minutes behind in its replication for more than 15 minutes.\nBeing able to fail over to a replica of your data is only useful if the data is up to date, so you need to know when that’s no longer the case!",
        "name": "MongoDB Oplog lag alert",
        "noDataState": "no_data",
        "notifications": [
          {
            "id": 2
          }
        ]
      },
      "aliasColors": {},
      "bars": false,
      "dashLength": 10,
      "dashes": false,
      "datasource": {
        "type": "prometheus",
        "uid": "mGznXG-4k"
      },
      "fill": 1,
      "fillGradient": 0,
      "gridPos": {
        "h": 7,
        "w": 12,
        "x": 0,
        "y": 27
      },
      "hiddenSeries": false,
      "id": 16,
      "legend": {
        "avg": false,
        "current": false,
        "max": false,
        "min": false,
        "show": false,
        "total": false,
        "values": false
      },
      "lines": true,
      "linewidth": 1,
      "links": [],
      "nullPointMode": "null",
      "options": {
        "alertThreshold": true
      },
      "percentage": false,
      "pluginVersion": "8.3.2",
      "pointradius": 5,
      "points": false,
      "renderer": "flot",
      "seriesOverrides": [],
      "spaceLength": 10,
      "stack": false,
      "steppedLine": false,
      "targets": [
        {
          "expr": "rate(mongodb_mongod_replset_oplog_head_timestamp[5m])",
          "format": "time_series",
          "hide": false,
          "interval": "",
          "intervalFactor": 2,
          "legendFormat": "{{instance}}",
          "refId": "A",
          "step": 240
        }
      ],
      "thresholds": [
        {
          "colorMode": "critical",
          "fill": true,
          "line": true,
          "op": "gt",
          "value": 300
        }
      ],
      "timeRegions": [],
      "title": "Oplog Lag",
      "tooltip": {
        "shared": true,
        "sort": 0,
        "value_type": "individual"
      },
      "type": "graph",
      "xaxis": {
        "mode": "time",
        "show": true,
        "values": []
      },
      "yaxes": [
        {
          "format": "dtdurations",
          "logBase": 1,
          "show": true
        },
        {
          "format": "short",
          "logBase": 1,
          "show": true
        }
      ],
      "yaxis": {
        "align": false
      }
    },
    {
      "alert": {
        "conditions": [
          {
            "evaluator": {
              "params": [
                0.98
              ],
              "type": "gt"
            },
            "operator": {
              "type": "and"
            },
            "query": {
              "params": [
                "A",
                "5m",
                "now"
              ]
            },
            "reducer": {
              "params": [],
              "type": "avg"
            },
            "type": "query"
          }
        ],
        "executionErrorState": "keep_state",
        "frequency": "60s",
        "handler": 1,
        "message": "MongoDB's average disk i/o utilization has been above 98% for 5 minutes",
        "name": "MongoDB's Disk IO Utilization alert",
        "noDataState": "no_data",
        "notifications": [
          {
            "id": 2
          }
        ]
      },
      "aliasColors": {},
      "bars": false,
      "dashLength": 10,
      "dashes": false,
      "datasource": {
        "type": "prometheus",
        "uid": "mGznXG-4k"
      },
      "fill": 1,
      "fillGradient": 0,
      "gridPos": {
        "h": 7,
        "w": 12,
        "x": 12,
        "y": 27
      },
      "hiddenSeries": false,
      "id": 17,
      "legend": {
        "alignAsTable": true,
        "avg": false,
        "current": false,
        "max": false,
        "min": false,
        "rightSide": true,
        "show": false,
        "total": false,
        "values": false
      },
      "lines": true,
      "linewidth": 1,
      "links": [],
      "nullPointMode": "null",
      "options": {
        "alertThreshold": true
      },
      "percentage": false,
      "pluginVersion": "8.3.2",
      "pointradius": 5,
      "points": false,
      "renderer": "flot",
      "seriesOverrides": [],
      "spaceLength": 10,
      "stack": false,
      "steppedLine": false,
      "targets": [
        {
          "expr": "(rate(node_disk_io_time_seconds_total[5m])/1000 or irate(node_disk_io_time_seconds_total[5m])/1000)",
          "format": "time_series",
          "interval": "",
          "intervalFactor": 2,
          "legendFormat": "{{device}} - {{instance}}",
          "refId": "A",
          "step": 240
        }
      ],
      "thresholds": [
        {
          "colorMode": "critical",
          "fill": true,
          "line": true,
          "op": "gt",
          "value": 0.98
        }
      ],
      "timeRegions": [],
      "title": "Disk IO Utilization",
      "tooltip": {
        "shared": false,
        "sort": 0,
        "value_type": "individual"
      },
      "type": "graph",
      "xaxis": {
        "mode": "time",
        "show": true,
        "values": []
      },
      "yaxes": [
        {
          "format": "percentunit",
          "label": "",
          "logBase": 1,
          "max": "1",
          "show": true
        },
        {
          "format": "short",
          "logBase": 1,
          "show": true
        }
      ],
      "yaxis": {
        "align": false
      }
    },
    {
      "collapsed": false,
      "gridPos": {
        "h": 1,
        "w": 24,
        "x": 0,
        "y": 34
      },
      "id": 25,
      "panels": [],
      "title": "Dashboard Row",
      "type": "row"
    },
    {
      "aliasColors": {},
      "bars": false,
      "dashLength": 10,
      "dashes": false,
      "datasource": {
        "type": "prometheus",
        "uid": "mGznXG-4k"
      },
      "fill": 1,
      "fillGradient": 0,
      "gridPos": {
        "h": 7,
        "w": 12,
        "x": 0,
        "y": 35
      },
      "hiddenSeries": false,
      "id": 18,
      "legend": {
        "avg": false,
        "current": false,
        "max": false,
        "min": false,
        "show": false,
        "total": false,
        "values": false
      },
      "lines": true,
      "linewidth": 1,
      "links": [],
      "nullPointMode": "null",
      "options": {
        "alertThreshold": true
      },
      "percentage": false,
      "pluginVersion": "8.3.2",
      "pointradius": 5,
      "points": false,
      "renderer": "flot",
      "seriesOverrides": [],
      "spaceLength": 10,
      "stack": false,
      "steppedLine": false,
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "mGznXG-4k"
          },
          "exemplar": true,
          "expr": "rate(mongodb_sys_disks_vda_reads_merged[5m])",
          "format": "time_series",
          "interval": "",
          "intervalFactor": 2,
          "legendFormat": "{{device}} - {{instance}}",
          "refId": "A",
          "step": 240
        }
      ],
      "thresholds": [],
      "timeRegions": [],
      "title": "Disk Reads Completed",
      "tooltip": {
        "shared": false,
        "sort": 0,
        "value_type": "individual"
      },
      "type": "graph",
      "xaxis": {
        "mode": "time",
        "show": true,
        "values": []
      },
      "yaxes": [
        {
          "format": "short",
          "logBase": 1,
          "show": true
        },
        {
          "format": "short",
          "logBase": 1,
          "show": true
        }
      ],
      "yaxis": {
        "align": false
      }
    },
    {
      "aliasColors": {},
      "bars": false,
      "dashLength": 10,
      "dashes": false,
      "datasource": {
        "type": "prometheus",
        "uid": "mGznXG-4k"
      },
      "fill": 1,
      "fillGradient": 0,
      "gridPos": {
        "h": 7,
        "w": 12,
        "x": 12,
        "y": 35
      },
      "hiddenSeries": false,
      "id": 19,
      "legend": {
        "avg": false,
        "current": false,
        "max": false,
        "min": false,
        "show": false,
        "total": false,
        "values": false
      },
      "lines": true,
      "linewidth": 1,
      "links": [],
      "nullPointMode": "null",
      "options": {
        "alertThreshold": true
      },
      "percentage": false,
      "pluginVersion": "8.3.2",
      "pointradius": 5,
      "points": false,
      "renderer": "flot",
      "seriesOverrides": [],
      "spaceLength": 10,
      "stack": false,
      "steppedLine": false,
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "mGznXG-4k"
          },
          "exemplar": true,
          "expr": "rate(mongodb_sys_disks_vda_writes_merged[5m])",
          "format": "time_series",
          "interval": "",
          "intervalFactor": 2,
          "legendFormat": "{{device}} - {{instance}}",
          "refId": "A",
          "step": 240
        }
      ],
      "thresholds": [],
      "timeRegions": [],
      "title": "Disk Writes Completed",
      "tooltip": {
        "shared": false,
        "sort": 0,
        "value_type": "individual"
      },
      "type": "graph",
      "xaxis": {
        "mode": "time",
        "show": true,
        "values": []
      },
      "yaxes": [
        {
          "format": "short",
          "logBase": 1,
          "show": true
        },
        {
          "format": "short",
          "logBase": 1,
          "show": true
        }
      ],
      "yaxis": {
        "align": false
      }
    }
  ],
  "refresh": "5s",
  "schemaVersion": 33,
  "style": "dark",
  "tags": [
    "prometheus"
  ],
  "templating": {
    "list": [
      {
        "current": {
          "selected": false,
          "text": "All",
          "value": "$__all"
        },
        "datasource": {
          "type": "prometheus",
          "uid": "mGznXG-4k"
        },
        "definition": "",
        "hide": 0,
        "includeAll": true,
        "label": "env",
        "multi": true,
        "name": "env",
        "options": [],
        "query": {
          "query": "label_values(mongodb_connections, instance)",
          "refId": "WD-Prometheus-env-Variable-Query"
        },
        "refresh": 1,
        "regex": "",
        "skipUrlSync": false,
        "sort": 1,
        "type": "query",
        "useTags": false
      },
      {
        "auto": true,
        "auto_count": 30,
        "auto_min": "10s",
        "current": {
          "selected": false,
          "text": "auto",
          "value": "$__auto_interval_interval"
        },
        "hide": 0,
        "name": "interval",
        "options": [
          {
            "selected": true,
            "text": "auto",
            "value": "$__auto_interval_interval"
          },
          {
            "selected": false,
            "text": "1m",
            "value": "1m"
          },
          {
            "selected": false,
            "text": "10m",
            "value": "10m"
          },
          {
            "selected": false,
            "text": "30m",
            "value": "30m"
          },
          {
            "selected": false,
            "text": "1h",
            "value": "1h"
          },
          {
            "selected": false,
            "text": "6h",
            "value": "6h"
          },
          {
            "selected": false,
            "text": "12h",
            "value": "12h"
          },
          {
            "selected": false,
            "text": "1d",
            "value": "1d"
          },
          {
            "selected": false,
            "text": "7d",
            "value": "7d"
          },
          {
            "selected": false,
            "text": "14d",
            "value": "14d"
          },
          {
            "selected": false,
            "text": "30d",
            "value": "30d"
          }
        ],
        "query": "1m,10m,30m,1h,6h,12h,1d,7d,14d,30d",
        "refresh": 2,
        "skipUrlSync": false,
        "type": "interval"
      }
    ]
  },
  "time": {
    "from": "now-5m",
    "to": "now"
  },
  "timepicker": {
    "refresh_intervals": [
      "5s",
      "10s",
      "30s",
      "1m",
      "5m",
      "15m",
      "30m",
      "1h",
      "2h",
      "1d"
    ],
    "time_options": [
      "5m",
      "15m",
      "1h",
      "6h",
      "12h",
      "24h",
      "2d",
      "7d",
      "30d"
    ]
  },
  "timezone": "browser",
  "title": "MongoDB demo",
  "uid": "AyWQt9jWk",
  "version": 5,
  "weekStart": ""
}

监控mysqld

建议在mysql服务器上面装，目前我在prometheus尝试失败，表现是一直尝试连 [::1]:3306，而不用我的inventory，特别奇怪

mysql服务器安装mysqld_exporter，添加文件/var/lib/prometheus/.my.cnf， 具体可以systemctl status mysqld_exporter看下描述里面的github信息或者google

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[client]
    host = xxx
    username = xxx
    password = xxx

适配多个实例的操作

查询语句用=~ panel json的legend format调整 使用xxx {{instance}}

FAQ

死活起不来

手动起一下

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cd /usr/share/grafana
source /etc/sysconfig/grafana-server
/usr/sbin/grafana-server --config=${CONF_FILE} --pidfile=${PID_FILE_DIR}/grafana-server.pid --packaging=rpm cfg:default.paths.logs=${LOG_DIR} cfg:default.paths.data=${DATA_DIR} cfg:default.paths.plugins=${PLUGINS_DIR} cfg:default.paths.provisioning=${PROVISIONING_CFG_DIR}

发现报错提示让设置一个参数看看

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INFO [05-23|15:38:54] Connecting to DB                         logger=sqlstore dbtype=sqlite3
panic: New alert rules created while using unified alerting will be deleted, set force_migration=true in your grafana.ini and try again if this is okay.

goroutine 1 [running]:
github.com/grafana/grafana/pkg/services/sqlstore/migrations/ualert.AddDashAlertMigration(0xc000bccaf0)
	/drone/src/pkg/services/sqlstore/migrations/ualert/ualert.go:78 +0x797
github.com/grafana/grafana/pkg/services/sqlstore/migrations.(*OSSMigratio

设置了就好了

没有alert

配置文件需要设置为true 另外注意表格和增加transition 都会导致alert不会显示

alert的状态通常有个心型标志代表这个dashboard的状态

添加选择的比如环境名等 field

grafana 添加varialbes的时候填label_values(xxx)

就会遍历所有的，并且把当前获取的值拿到 es {"find":"terms","field":"EnvName.keyword"}

grafana添加es图表

注意AND或者&&表示且，and则会出现奇怪的结果 哈哈

lucene里面添加interval

添加es的时候no timestamp

注意es版本选择正确的版本

grafana导入图表以后不显示，红色感叹号等

不显示

原因: 可能是exporter指标变动， 解决：这个一般搜下issue或者google下或者curl localhost:xxx/metrics|grep 类似的

感叹号

一般是图表设置问题，首先在panel里面下拉菜单，explore查看如果有问题，检 查promtheus等服务，如果没问题，检查是不是某些参数问题，典型的看下min step是否设置了$interval,记得改成$__interval或者不设置

grafana图标不显示，expr里面有irate和$__rate_interval

大概率是没有这个变量 建议在查询里面设置下min step 1m

grafana silence alertmanager告警 

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grep alpha /etc/grafana/grafana.ini
enable_alpha = true

然后在grafana dataresource就可以看到alertmanager了

生产环境

database设置

备份你的grafana目录

cp -r /var/lib/grafana /var/lib/grafana-bak

data migrate to mysql

默认是sqlite3的，所以需要进行转换到mysql

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# file /var/lib/grafana/grafana.db
/var/lib/grafana/grafana.db: SQLite 3.x database
cd /var/lib/grafana/
cat << EOF > sqlite3-migrate-to-mysql.sh
#!/usr/bin/env bash
# Used for sqlite migrate to mysql for grafana.
# Reference https://community.grafana.com/t/migrating-grafana-data-to-new-database/2454/2?u=thachnv92.
DB=\$1
TABLES=\$(sqlite3 \$DB .tables | sed -r 's/\s+/\n/g' | grep -v -e migration_log -e '^$')
for t in \$TABLES; do
    echo "TRUNCATE TABLE \$t;"
done
for t in \$TABLES; do
   echo -e ".mode insert \$t\nselect * from \$t;"
done | sqlite3 \$DB
EOF
bash sqlite3-migrate-to-mysql.sh > grafana.sql

然后登入mysql source下即可