Promethues alertmanager webhook wechat 实现
编译得到可执行二进制文件，即daemon-systemd下的二进制文件，创建服务器的systemd进程服务。
测试运行可使用：./alertmanager-webhook-wechat-linux --RobotKey="xxxxxx-xxxxx-xxxxx-xxxxxx-xxxxxxx
RobotKey即为企业微信生成机器人的key值，也是项目初始化设置的default key。
编辑alertmanager config或者prometheus config
sudo vim /etc/alertmanager/alertmanager.ymlglobal:
resolve_timeout: 5m #处理超时时间，默认为5min
route:
group_by: ['alertname']
group_wait: 3s
group_interval: 5s
repeat_interval: 5m
receiver: 'web.hook'
receivers:
- name: 'web.hook'
webhook_configs:
- url: 'http://localhost:6666/webhook?key=xxxxxx-xxxxx-xxxxx-xxxxxx-xxxxxxx'sudo vim /etc/prometheus/alert.rules.ymlgroups:
- name: alert.rules
rules:
- alert: HostOutOfDiskSpace
expr: (node_filesystem_avail{mountpoint="/"} * 100) / node_filesystem_size{mountpoint="/"} < 50
for: 1s
labels:
severity: warning
annotations:
summary: "Host out of disk space (instance {{ $labels.instance }})"
description: "Disk is almost full (< 50% left)\n VALUE = {{ $value }}\n LABELS: {{ $labels }}"
wechatRobot: "https://qyapi.weixin.qq.com/cgi-bin/webhook/send?key=9a81393c-a141-4920-9e19-169a445db908" {
"receiver": "web.hook",
"status": "firing",
"alerts": [
{
"status": "firing",
"labels": {
"alertname": "HostOutOfDiskSpace",
"instance": "localhost:9200",
"severity": "warning"
},
"annotations": {
"info": "Test message,ignore",
"description": "Disk is almost full (< 50% left)
VALUE = 18.87424590841387
LABELS: map[mountpoint:/ device:/dev/mapper/ubuntu--vg-ubuntu--lv fstype:ext4 instance:localhost:9200 job:node_exporter_metrics]",
"summary": "Host out of disk space (instance localhost:9200)"
},
"startsAt": "2021-04-14T11:33:33.6639785927Z",
"endsAt": "0001-01-01T00:00:00Z",
"generatorURL": "warning"
}
],
"groupLabels": {
"alertname": "HostOutOfDiskSpace"
},
"commonLabels": {
"alertname": "HostOutOfDiskSpace",
"instance": "localhost:9200"
},
"commonAnnotations": {
"info": "Test message,ignore",
"summary": "Host out of disk space (instance localhost:9200)"
},
"externalURL": "http://localhost:9093",
"version": "4",
"groupKey": "{}/{alertname=~\"^(?:HostOutOfDiskSpace.*)$\"}:{alertname=\"HostOutOfDiskSpace\"}"
}'
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