夜莺 (n9e) 的使用

[Bpazy]

安装

P0 级系统，推荐二进制安装，遵循官方的安装方法即可: https://flashcat.cloud/docs/content/flashcat-monitor/nightingale-v7/install/binary/

注意配置好 mysql, redis。

最后配置一下 systemctl:

cat > /usr/lib/systemd/system/n9e.service <<EOF
[Unit]
Description=Nightinagle

[Service]
WorkingDirectory=/home/ziyuan/n9e
ExecStart=/home/ziyuan/n9e/n9e

[Install]
WantedBy=multi-user.target
EOF

systemctl start n9e
systemctl enable n9e

[Bpazy]

告警规则

awesome-prometheus-rule

点击我查看详情

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      "dingtalk"
    ],
    "notify_repeat_step": 60,
    "notify_max_number": 0,
    "recover_duration": 0,
    "callbacks": [],
    "runbook_url": "",
    "append_tags": [],
    "annotations": null,
    "extra_config": null,
    "uuid": 0,
    "cur_event_count": 0,
    "update_by_nickname": "超管"
  },
  {
    "cate": "prometheus",
    "datasource_ids": [
      1
    ],
    "datasource_queries": [
      {
        "match_type": 2,
        "op": "in",
        "values": [
          0
        ]
      }
    ],
    "name": "主机磁盘写入速率异常",
    "note": "主机异常磁盘写入率 (instance {{ $labels.instance }})",
    "prod": "metric",
    "algorithm": "",
    "algo_params": null,
    "delay": 0,
    "severity": 2,
    "severities": [
      2
    ],
    "disabled": 0,
    "prom_for_duration": 120,
    "prom_ql": "",
    "rule_config": {
      "algo_params": null,
      "inhibit": false,
      "prom_ql": "",
      "queries": [
        {
          "prom_ql": "sum by (instance) (rate(node_disk_written_bytes_total[2m])) / 1024 / 1024 > 50",
          "recover_config": {
            "judge_type": 0,
            "recover_exp": ""
          },
          "severity": 2,
          "unit": ""
        }
      ],
      "severity": 0
    },
    "event_relabel_config": null,
    "prom_eval_interval": 15,
    "enable_stime": "00:00",
    "enable_stimes": [
      "00:00"
    ],
    "enable_etime": "23:59",
    "enable_etimes": [
      "23:59"
    ],
    "enable_days_of_week": [
      "1",
      "2",
      "3",
      "4",
      "5",
      "6",
      "0"
    ],
    "enable_days_of_weeks": [
      [
        "1",
        "2",
        "3",
        "4",
        "5",
        "6",
        "0"
      ]
    ],
    "enable_in_bg": 0,
    "notify_recovered": 1,
    "notify_channels": [
      "dingtalk"
    ],
    "notify_repeat_step": 60,
    "notify_max_number": 0,
    "recover_duration": 0,
    "callbacks": [],
    "runbook_url": "",
    "append_tags": [],
    "annotations": null,
    "extra_config": null,
    "uuid": 0,
    "cur_event_count": 0,
    "update_by_nickname": "超管"
  },
  {
    "cate": "prometheus",
    "datasource_ids": [
      1
    ],
    "datasource_queries": [
      {
        "match_type": 2,
        "op": "in",
        "values": [
          0
        ]
      }
    ],
    "name": "主机磁盘将在 24 小时内填满",
    "note": "主机磁盘将在 24 小时内填满 (instance {{ $labels.instance }})",
    "prod": "metric",
    "algorithm": "",
    "algo_params": null,
    "delay": 0,
    "severity": 2,
    "severities": [
      2
    ],
    "disabled": 0,
    "prom_for_duration": 120,
    "prom_ql": "",
    "rule_config": {
      "algo_params": null,
      "inhibit": false,
      "prom_ql": "",
      "queries": [
        {
          "prom_ql": "(node_filesystem_avail_bytes * 100) / node_filesystem_size_bytes < 10 and ON (instance, device, mountpoint) predict_linear(node_filesystem_avail_bytes{fstype!~\"tmpfs\"}[1h], 24 * 3600) < 0 and ON (instance, device, mountpoint) node_filesystem_readonly == 0",
          "recover_config": {
            "judge_type": 0,
            "recover_exp": ""
          },
          "severity": 2,
          "unit": ""
        }
      ],
      "severity": 0
    },
    "event_relabel_config": null,
    "prom_eval_interval": 15,
    "enable_stime": "00:00",
    "enable_stimes": [
      "00:00"
    ],
    "enable_etime": "23:59",
    "enable_etimes": [
      "23:59"
    ],
    "enable_days_of_week": [
      "1",
      "2",
      "3",
      "4",
      "5",
      "6",
      "0"
    ],
    "enable_days_of_weeks": [
      [
        "1",
        "2",
        "3",
        "4",
        "5",
        "6",
        "0"
      ]
    ],
    "enable_in_bg": 0,
    "notify_recovered": 1,
    "notify_channels": [
      "dingtalk"
    ],
    "notify_repeat_step": 60,
    "notify_max_number": 0,
    "recover_duration": 0,
    "callbacks": [],
    "runbook_url": "",
    "append_tags": [],
    "annotations": null,
    "extra_config": null,
    "uuid": 0,
    "cur_event_count": 0,
    "update_by_nickname": "超管"
  },
  {
    "cate": "prometheus",
    "datasource_ids": [
      1
    ],
    "datasource_queries": [
      {
        "match_type": 2,
        "op": "in",
        "values": [
          0
        ]
      }
    ],
    "name": "主机磁盘读取延迟异常",
    "note": "主机异常磁盘读取延迟 (instance {{ $labels.instance }})",
    "prod": "metric",
    "algorithm": "",
    "algo_params": null,
    "delay": 0,
    "severity": 2,
    "severities": [
      2
    ],
    "disabled": 0,
    "prom_for_duration": 120,
    "prom_ql": "",
    "rule_config": {
      "algo_params": null,
      "inhibit": false,
      "prom_ql": "",
      "queries": [
        {
          "prom_ql": "rate(node_disk_read_time_seconds_total[1m]) / rate(node_disk_reads_completed_total[1m]) > 0.1 and rate(node_disk_reads_completed_total[1m]) > 0",
          "recover_config": {
            "judge_type": 0,
            "recover_exp": ""
          },
          "severity": 2,
          "unit": ""
        }
      ],
      "severity": 0
    },
    "event_relabel_config": null,
    "prom_eval_interval": 15,
    "enable_stime": "00:00",
    "enable_stimes": [
      "00:00"
    ],
    "enable_etime": "23:59",
    "enable_etimes": [
      "23:59"
    ],
    "enable_days_of_week": [
      "1",
      "2",
      "3",
      "4",
      "5",
      "6",
      "0"
    ],
    "enable_days_of_weeks": [
      [
        "1",
        "2",
        "3",
        "4",
        "5",
        "6",
        "0"
      ]
    ],
    "enable_in_bg": 0,
    "notify_recovered": 1,
    "notify_channels": [
      "dingtalk"
    ],
    "notify_repeat_step": 60,
    "notify_max_number": 0,
    "recover_duration": 0,
    "callbacks": [],
    "runbook_url": "",
    "append_tags": [],
    "annotations": null,
    "extra_config": null,
    "uuid": 0,
    "cur_event_count": 0,
    "update_by_nickname": "超管"
  },
  {
    "cate": "prometheus",
    "datasource_ids": [
      1
    ],
    "datasource_queries": [
      {
        "match_type": 2,
        "op": "in",
        "values": [
          0
        ]
      }
    ],
    "name": "主机磁盘读取速率异常",
    "note": "主机异常磁盘读取率 (instance {{ $labels.instance }})",
    "prod": "metric",
    "algorithm": "",
    "algo_params": null,
    "delay": 0,
    "severity": 2,
    "severities": [
      2
    ],
    "disabled": 0,
    "prom_for_duration": 300,
    "prom_ql": "",
    "rule_config": {
      "algo_params": null,
      "inhibit": false,
      "prom_ql": "",
      "queries": [
        {
          "prom_ql": "sum by (instance) (rate(node_disk_read_bytes_total[2m])) / 1024 / 1024 > 50",
          "recover_config": {
            "judge_type": 0,
            "recover_exp": ""
          },
          "severity": 2,
          "unit": ""
        }
      ],
      "severity": 0
    },
    "event_relabel_config": null,
    "prom_eval_interval": 15,
    "enable_stime": "00:00",
    "enable_stimes": [
      "00:00"
    ],
    "enable_etime": "23:59",
    "enable_etimes": [
      "23:59"
    ],
    "enable_days_of_week": [
      "1",
      "2",
      "3",
      "4",
      "5",
      "6",
      "0"
    ],
    "enable_days_of_weeks": [
      [
        "1",
        "2",
        "3",
        "4",
        "5",
        "6",
        "0"
      ]
    ],
    "enable_in_bg": 0,
    "notify_recovered": 1,
    "notify_channels": [
      "dingtalk"
    ],
    "notify_repeat_step": 60,
    "notify_max_number": 0,
    "recover_duration": 0,
    "callbacks": [],
    "runbook_url": "",
    "append_tags": [],
    "annotations": null,
    "extra_config": null,
    "uuid": 0,
    "cur_event_count": 0,
    "update_by_nickname": "超管"
  },
  {
    "cate": "prometheus",
    "datasource_ids": [
      1
    ],
    "datasource_queries": [
      {
        "match_type": 2,
        "op": "in",
        "values": [
          0
        ]
      }
    ],
    "name": "检测到 HostOomKill",
    "note": "检测到主机 OOM 终止 (instance {{ $labels.instance }})",
    "prod": "metric",
    "algorithm": "",
    "algo_params": null,
    "delay": 0,
    "severity": 2,
    "severities": [
      2
    ],
    "disabled": 0,
    "prom_for_duration": 0,
    "prom_ql": "",
    "rule_config": {
      "algo_params": null,
      "inhibit": false,
      "prom_ql": "",
      "queries": [
        {
          "prom_ql": "increase(node_vmstat_oom_kill[1m]) > 0",
          "recover_config": {
            "judge_type": 0,
            "recover_exp": ""
          },
          "severity": 2,
          "unit": ""
        }
      ],
      "severity": 0
    },
    "event_relabel_config": null,
    "prom_eval_interval": 15,
    "enable_stime": "00:00",
    "enable_stimes": [
      "00:00"
    ],
    "enable_etime": "23:59",
    "enable_etimes": [
      "23:59"
    ],
    "enable_days_of_week": [
      "1",
      "2",
      "3",
      "4",
      "5",
      "6",
      "0"
    ],
    "enable_days_of_weeks": [
      [
        "1",
        "2",
        "3",
        "4",
        "5",
        "6",
        "0"
      ]
    ],
    "enable_in_bg": 0,
    "notify_recovered": 1,
    "notify_channels": [
      "dingtalk"
    ],
    "notify_repeat_step": 60,
    "notify_max_number": 0,
    "recover_duration": 0,
    "callbacks": [],
    "runbook_url": "",
    "append_tags": [],
    "annotations": null,
    "extra_config": null,
    "uuid": 0,
    "cur_event_count": 0,
    "update_by_nickname": "超管"
  },
  {
    "cate": "prometheus",
    "datasource_ids": [
      1
    ],
    "datasource_queries": [
      {
        "match_type": 0,
        "op": "in",
        "values": [
          1
        ]
      }
    ],
    "name": "物联网设备电量",
    "note": "",
    "prod": "metric",
    "algorithm": "",
    "algo_params": null,
    "delay": 0,
    "severity": 0,
    "severities": [
      2
    ],
    "disabled": 0,
    "prom_for_duration": 60,
    "prom_ql": "",
    "rule_config": {
      "event_relabel_config": [],
      "queries": [
        {
          "keys": {
            "labelKey": "",
            "metricKey": "",
            "valueKey": ""
          },
          "prom_ql": "haas_sensor_battery_percent{} < 50",
          "severity": 2,
          "unit": "percent"
        }
      ],
      "task_tpls": []
    },
    "event_relabel_config": [],
    "prom_eval_interval": 30,
    "enable_stime": "00:00",
    "enable_stimes": [
      "00:00"
    ],
    "enable_etime": "00:00",
    "enable_etimes": [
      "00:00"
    ],
    "enable_days_of_week": [
      "0",
      "1",
      "2",
      "3",
      "4",
      "5",
      "6"
    ],
    "enable_days_of_weeks": [
      [
        "0",
        "1",
        "2",
        "3",
        "4",
        "5",
        "6"
      ]
    ],
    "enable_in_bg": 0,
    "notify_recovered": 1,
    "notify_channels": [
      "dingtalk"
    ],
    "notify_repeat_step": 10,
    "notify_max_number": 0,
    "recover_duration": 0,
    "callbacks": [],
    "runbook_url": "",
    "append_tags": [],
    "annotations": {},
    "extra_config": null,
    "uuid": 0,
    "cur_event_count": 0,
    "update_by_nickname": "超管"
  },
  {
    "cate": "prometheus",
    "datasource_ids": [
      1
    ],
    "datasource_queries": [
      {
        "match_type": 2,
        "op": "in",
        "values": [
          0
        ]
      }
    ],
    "name": "节点cpu负载高",
    "note": "主机 CPU 负载高 (instance {{ $labels.instance }})",
    "prod": "metric",
    "algorithm": "",
    "algo_params": null,
    "delay": 0,
    "severity": 2,
    "severities": [
      2
    ],
    "disabled": 0,
    "prom_for_duration": 0,
    "prom_ql": "",
    "rule_config": {
      "algo_params": null,
      "inhibit": false,
      "prom_ql": "",
      "queries": [
        {
          "prom_ql": "100 - (avg by(instance) (rate(node_cpu_seconds_total{mode=\"idle\"}[2m])) * 100) > 80",
          "recover_config": {
            "judge_type": 0,
            "recover_exp": ""
          },
          "severity": 2,
          "unit": ""
        }
      ],
      "severity": 0
    },
    "event_relabel_config": null,
    "prom_eval_interval": 15,
    "enable_stime": "00:00",
    "enable_stimes": [
      "00:00"
    ],
    "enable_etime": "23:59",
    "enable_etimes": [
      "23:59"
    ],
    "enable_days_of_week": [
      "1",
      "2",
      "3",
      "4",
      "5",
      "6",
      "0"
    ],
    "enable_days_of_weeks": [
      [
        "1",
        "2",
        "3",
        "4",
        "5",
        "6",
        "0"
      ]
    ],
    "enable_in_bg": 0,
    "notify_recovered": 1,
    "notify_channels": [
      "dingtalk"
    ],
    "notify_repeat_step": 60,
    "notify_max_number": 0,
    "recover_duration": 0,
    "callbacks": [],
    "runbook_url": "",
    "append_tags": [],
    "annotations": null,
    "extra_config": null,
    "uuid": 0,
    "cur_event_count": 0,
    "update_by_nickname": "超管"
  }
]

[Bpazy]

n9e 数据库迁移

1.导出旧数据库数据

先把 n9e 停机:

sudo systemctl stop n9e

然后导出数据:

mysqldump -h 127.0.0.1 -u n9e -p --opt --default-character-set=utf8mb4 --hex-blob n9e_v6  > n9e.sql

2.开始迁移到新数据库

先创建 schema 和新数据库的用户:

mysql -h 192.168.31.41 -u root -p

mysql> create database n9e_v6;
Query OK, 0 rows affected (0.02 sec)

mysql> CREATE USER 'n9e'@'%' IDENTIFIED BY 'YOUR_PASSWORD'; 
Query OK, 0 rows affected (0.02 sec)

mysql> GRANT ALL PRIVILEGES ON *.* TO 'n9e'@'%' WITH GRANT OPTION;
Query OK, 0 rows affected (0.02 sec)
mysql> exit;

开始导入到新数据库:

mysql -h 192.168.31.41 -P 3306 -u n9e -p n9e_v6 < n9e.sql

3.更改 n9e 配置文件指向新数据库

这一步直接改 n9e 配置文件就行了，配置路径为: ./etc/config.yaml，配置项为: [DB].DSN
改完启动: sudo systemctl start n9e