2022-08-23 02:08:54 +00:00
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# alertmanager-bark-webhook
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将 alertmanager 告警转发到 [bark](https://github.com/Finb/bark-server) 的 webhook
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## 配置
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config.yaml
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```yaml
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# 属于 flask 的一些配置
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DEBUG: true
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BIND_ADDRESS: 0.0.0.0
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BIND_PORT: 5000
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APP_CONFIG:
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# bark-server 的地址，推荐使用内网地址，使用 api v2 版本的推送，参考
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# https://github.com/Finb/bark-server/blob/master/docs/API_V2.md
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bark_api: http://bark-server:8080/push
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# 推送时使用的标题，分为 告警时（firing） 解除时（resolved） 和 默认（default）
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title:
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firing: k8s02-prod 告警发生
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resolved: k8s02-prod 告警解除
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default: k8s02-prod
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# 推送给谁，这里写需要推送的 bark device_key
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to:
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- OMITTED
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# 这里暂不使用，可以不管
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severity:
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- 'warning'
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- 'critical'
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# 告警模板文件路径
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template_file: text_template.tpl
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```
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告警模板文件使用 [jinja2 语法](https://jinja.palletsprojects.com/en/3.1.x/)
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```jinja2
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{%- if status == 'firing' -%}
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告警发生：
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{%- for alert in alerts %}
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告警时间：{{alert.startsAt}}
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{% if alert.labels.instance -%}
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涉及实例：{{alert.labels.instance}}
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{% endif -%}
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{% if alert.labels.device -%}
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涉及设备：{{alert.labels.device}}
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{% endif -%}
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告警名称：{{alert.labels.alertname}}
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严重性：{{alert.labels.severity}}
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详情：{{alert.annotations.description}}
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{% if alert.annotations.value -%}
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告警数据：{{alert.annotations.value}}
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{% endif -%}
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{% if alert.annotations.runbook_url -%}
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参考文档：{{alert.annotations.runbook_url}}
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{%- endif %}
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---
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{%- endfor %}
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{%- else -%}
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告警恢复：
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{%- for alert in alerts %}
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告警时间：{{alert.startsAt}}
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恢复时间：{{alert.endsAt}}
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{% if alert.labels.instance -%}
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涉及实例：{{alert.labels.instance}}
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{%- endif %}
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{% if alert.labels.device -%}
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涉及设备：{{alert.labels.device}}
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{%- endif %}
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告警名称：{{alert.labels.alertname}}
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严重性：{{alert.labels.severity}}
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详情：{{alert.annotations.summary}}
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{% if alert.annotations.value -%}
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告警数据：{{alert.annotations.value}}
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{%- endif %}
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---
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{%- endfor %}
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{%- endif -%}
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```
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## 注册设备
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1. 安装 [bark 客户端](https://github.com/Finb/Bark)
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2. 在客户端增加服务器 `http://bark-test.hxjscloud.com/`
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3. 可以在客户端看到 device_key，加入上面的配置文件中
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2022-08-23 02:11:35 +00:00
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4. webhook 重启即可收到推送
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## 部署
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将准备好的配置文件和模板文件放置于 `k8s/config` 目录，文件名分别为 `config.yaml` 和 `text_template.tpl`
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执行 `kubectl apply -n ... -k k8s`
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