集成钉钉:基于Webhook的扩展
在 Alertmanager 中可以使用如下配置定义基于 webhook 的告警接收器 receiver,一个 receiver 可以对应一组 webhook 配置。
name: <string>
webhook_configs:
[ - <webhook_config>, ... ]
每一项 webhook_config 的具体配置格式如下:
# Whether or not to notify about resolved alerts.
[ send_resolved: <boolean> | default = true ]
# The endpoint to send HTTP POST requests to.
url: <string>
# The HTTP client's configuration.
[ http_config: <http_config> | default = global.http_config ]
send_resolved 用于指定是否在告警消除时发送回执消息。
url 则是用于接收 webhook 请求的地址。
http_configs 则是在需要对请求进行 SSL 配置时使用。
当用户定义 webhook 用于接收告警信息后,当告警被触发时,Alertmanager 会按照以下格式向这些 url 地址发送 HTTP Post 请求,请求内容如下:
{
"version": "4",
// key identifying the group of alerts (e.g. to deduplicate)
"groupKey": <string>,
"status": "<resolved|firing>",
"receiver": <string>,
"groupLabels": <object>,
"commonLabels": <object>,
"commonAnnotations": <object>,
"externalURL": <string>, // backlink to the Alertmanager.
"alerts": [
{
"labels": <object>,
"annotations": <object>,
"startsAt": "<rfc3339>",
"endsAt": "<rfc3339>"
}
]
}
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