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同步操作将从 feiyu563/PrometheusAlert 强制同步，此操作会覆盖自 Fork 仓库以来所做的任何修改，且无法恢复！！！
确定后同步将在后台操作，完成时将刷新页面，请耐心等待。
自定义告警消息模版可以支持任意带有WebHook服务的系统接入到PrometheusAlert上。
使用该功能需要使用者对go语言的template模版有一些初步了解，可以参考默认模版的一些语法来进行自定义。
模版数据等信息均存储在程序目录的下的db/PrometheusAlertDB.db中。
下面以添加Prometheus的自定义告警消息模版为例讲解如何添加自定义模版
开始之前，请先临时更改你的Alertmanager的配置，将所有告警信息都转发到PrometheusAlert自定义接口,参考如下：
http://[YOUR-PrometheusAlert-URL]/prometheusalert自定义消息模版的接口即可global:
resolve_timeout: 5m
route:
group_by: ['instance']
group_wait: 10m
group_interval: 10s
repeat_interval: 10m
receiver: 'PrometheusAlert'
receivers:
- name: 'PrometheusAlert'
webhook_configs:
- url: 'http://[YOUR-PrometheusAlert-URL]/prometheusalert'
配置完成后，重启或者reload Alertmanager，是配置生效。
2020/05/21 10:58:17.850 [D] [value.go:460] [1590029897850034963] {"receiver":"prometheus-alert-center","status":"firing","alerts":[{"status":"firing","labels":{"alertname":"TargetDown","index":"1","instance":"example-1","job":"example","level":"2","service":"example"},"annotations":{"description":"target was down! example dev /example-1 was down for more than 120s.","level":"2","timestamp":"2020-05-21 02:58:07.829 +0000 UTC"},"startsAt":"2020-05-21T02:58:07.830216179Z","endsAt":"0001-01-01T00:00:00Z","generatorURL":"https://prometheus-alert-center/graph?g0.expr=up%7Bjob%21%3D%22kubernetes-pods%22%2Cjob%21%3D%22kubernetes-service-endpoints%22%7D+%21%3D+1\u0026g0.tab=1","fingerprint":"e2a5025853d4da64"}],"groupLabels":{"instance":"example-1"},"commonLabels":{"alertname":"TargetDown","index":"1","instance":"example-1","job":"example","level":"2","service":"example"},"commonAnnotations":{"description":"target was down! example dev /example-1 was down for more than 120s.","level":"2","timestamp":"2020-05-21 02:58:07.829 +0000 UTC"},"externalURL":"https://prometheus-alert-center","version":"4","groupKey":"{}/{job=~\"^(?:.*)$\"}:{instance=\"example-1\"}"}
{
"receiver": "prometheus-alert-center",
"status": "firing",
"alerts": [{
"status": "firing",
"labels": {
"alertname": "TargetDown",
"index": "1",
"instance": "example-1",
"job": "example",
"level": "2",
"service": "example"
},
"annotations": {
"description": "target was down! example dev /example-1 was down for more than 120s.",
"level": "2",
"timestamp": "2020-05-21 02:58:07.829 +0000 UTC"
},
"startsAt": "2020-05-21T02:58:07.830216179Z",
"endsAt": "0001-01-01T00:00:00Z",
"generatorURL": "https://prometheus-alert-center/graph?g0.expr=up%7Bjob%21%3D%22kubernetes-pods%22%2Cjob%21%3D%22kubernetes-service-endpoints%22%7D+%21%3D+1\u0026g0.tab=1",
"fingerprint": "e2a5025853d4da64"
}],
"groupLabels": {
"instance": "example-1"
},
"commonLabels": {
"alertname": "TargetDown",
"index": "1",
"instance": "example-1",
"job": "example",
"level": "2",
"service": "example"
},
"commonAnnotations": {
"description": "target was down! example dev /example-1 was down for more than 120s.",
"level": "2",
"timestamp": "2020-05-21 02:58:07.829 +0000 UTC"
},
"externalURL": "https://prometheus-alert-center",
"version": "4",
"groupKey": "{}/{job=~\"^(?:.*)$\"}:{instance=\"example-1\"}"
}
{{ $var := .externalURL}}{{ range $k,$v:=.alerts }}
## [Prometheus告警信息]({{$v.generatorURL}})
#### [{{$v.labels.alertname}}]({{$var}})
###### 告警级别：{{$v.labels.level}}
###### 开始时间：{{$v.startsAt}}
###### 结束时间：{{$v.endsAt}}
###### 故障主机IP：{{$v.labels.instance}}
##### {{$v.annotations.description}}
{{ end }}
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