# Set up alerts for Prometheus metrics
> 原文:[https://docs.gitlab.com/ee/operations/metrics/alerts.html](https://docs.gitlab.com/ee/operations/metrics/alerts.html)
* [Managed Prometheus instances](#managed-prometheus-instances)
* [External Prometheus instances](#external-prometheus-instances)
* [Trigger actions from alerts](#trigger-actions-from-alerts-ultimate)
# Set up alerts for Prometheus metrics[](#set-up-alerts-for-prometheus-metrics "Permalink")
在[为 CI / CD 环境配置指标](index.html)后,您可以根据实例的位置为 Prometheus 指标设置警报,并在环境性能超出您设置的范围时[触发警报操作](#trigger-actions-from-alerts-ultimate)以通知您的团队.
## Managed Prometheus instances[](#managed-prometheus-instances "Permalink")
在[GitLab Ultimate](https://about.gitlab.com/pricing/) 11.2 中[引入](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/6590)了[自定义指标](index.html#adding-custom-metrics) ,在 11.3 中[引入](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/6590)了[图书馆指标](../../user/project/integrations/prometheus_library/metrics.html) .
对于使用自动配置的托管 Prometheus 实例,您可以直接在[指标仪表板中](index.html) [配置指标警报](index.html#adding-custom-metrics) . 设置警报:
1. 在您的项目中,导航到 **操作>指标** ,
2. 确定要为其创建警报的指标,然后单击**省略号** 指标右上角的图标.
3. Choose **Alerts**.
4. 设置阈值和运算符.
5. 单击**添加**以保存并激活警报.
[![Adding an alert](https://img.kancloud.cn/9e/56/9e567ce989fde8f22d6c18faf220ba80_998x694.png)](../../user/project/integrations/img/prometheus_alert.png)
要删除警报,请在警报图标上返回所需的指标,然后单击" **删除"** .
## External Prometheus instances[](#external-prometheus-instances "Permalink")
版本历史
* 在[GitLab Ultimate](https://about.gitlab.com/pricing/) 11.8 中[引入](https://gitlab.com/gitlab-org/gitlab/-/issues/9258) .
* 在 12.10 中[移至](https://gitlab.com/gitlab-org/gitlab/-/issues/42640) [GitLab Core](https://about.gitlab.com/pricing/) .
对于手动配置的 Prometheus 服务器,GitLab 提供了一个通知端点,用于 Prometheus Webhooks. 如果启用了手动配置,则会将" **警报"**部分添加到 **设置>集成> Prometheus** . 本部分包含您需要的**URL**和**授权密钥** . **重置密钥**按钮将使密钥无效并生成一个新密钥.
[![Prometheus service configuration of Alerts](https://img.kancloud.cn/a2/68/a268ad35583d4774b2a218af30b9f7cd_1665x373.png)](../../user/project/integrations/img/prometheus_service_alerts.png)
要发送 GitLab 警报通知,请将**URL**和**授权密钥**复制到 Prometheus Alertmanager 配置的[`webhook_configs`](https://s0prometheus0io.icopy.site/docs/alerting/latest/configuration/)部分:
```
receivers:
name: gitlab
webhook_configs:
- http_config:
bearer_token: 9e1cbfcd546896a9ea8be557caf13a76
send_resolved: true
url: http://192.168.178.31:3001/root/manual_prometheus/prometheus/alerts/notify.json
...
```
为了使 GitLab 将警报与[环境](../../ci/environments/index.html)相关联,您必须在 Prometheus 中设置的警报上配置`gitlab_environment_name`标签. 此值应与您在 GitLab 中的环境名称匹配.
**Note:** In GitLab versions 13.1 and greater, you can configure your manually configured Prometheus server to use the [Generic alerts integration](../../user/project/integrations/generic_alerts.html).
## Trigger actions from alerts[](#trigger-actions-from-alerts-ultimate "Permalink")
版本历史
* 在[GitLab Ultimate](https://about.gitlab.com/pricing/) 11.11 中[引入](https://gitlab.com/gitlab-org/gitlab/-/issues/4925) .
* [从 GitLab Ultimate 12.5 起](https://gitlab.com/gitlab-org/gitlab/-/issues/13401) ,当 GitLab 收到恢复警报时,它将自动关闭相关问题.
警报可用于触发操作,例如自动打开问题(自`13.1`默认禁用). 要配置操作:
1. 导航到您项目的 **设置>操作>事件** .
2. 启用该选项以创建问题.
3. 选择要从中创建问题的[问题模板](../../user/project/description_templates.html) .
4. (可选)选择是否将电子邮件通知发送给项目的开发人员.
5. Click **保存更改**.
启用后,当触发包含包含从[警报有效负载中](https://s0prometheus0io.icopy.site/docs/alerting/latest/configuration/)提取的值的警报时,GitLab 会自动打开一个问题:
* 问题作者: `GitLab Alert Bot`
* 问题标题:从`annotations/title` , `annotations/summary`或`labels/alertname`
* 警报`Summary` :属性列表
* `starts_at` :通过`startsAt`警报的开始时间
* `full_query` :从`generatorURL`提取的警报查询
* 从`annotations/*`提取的附加注释的可选列表
* Alert [GFM](../../user/markdown.html) :来自`annotations/gitlab_incident_markdown` GitLab 风味`annotations/gitlab_incident_markdown`
当 GitLab 收到**Recovery Alert 时** ,它将关闭相关问题. 该操作记录为关于该问题的系统消息,表明该操作已由 GitLab Alert 机器人自动关闭.
要进一步自定义问题,您可以在所选问题模板中添加标签,提及或任何其他受支持的[快速操作](../../user/project/quick_actions.html) ,该操作适用于所有事件. 要将快速操作或其他信息限制为仅特定类型的警报,请使用`annotations/gitlab_incident_markdown`字段.
从[版本 12.2 开始](https://gitlab.com/gitlab-org/gitlab-foss/-/issues/63373) ,GitLab 会使用`incident`标签自动标记每个事件问题. 如果标签尚不存在,则会自动创建.
如果度量标准超过警报阈值超过 5 分钟,则 GitLab 会向该项目的所有[维护者和所有者](../../user/permissions.html#project-members-permissions)发送电子邮件.
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