57 lines
2.0 KiB
Markdown
57 lines
2.0 KiB
Markdown
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# 1. 服务提供Metrics接口
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在`webapi/providers`目录下创建一个`metrics.py`文件，用于提供Metrics接口。
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内容如下
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```
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def register(app):
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instrumentator = (
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Instrumentator().instrument(
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app,
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metric_namespace="freeleaps-mertics",
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metric_subsystem=app_settings.APP_NAME)
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)
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@app.on_event("startup")
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async def startup():
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instrumentator.expose(app, endpoint="/api/_/metrics", should_gzip=True)
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logging.info("Metrics endpoint exposed at /api/_/metrics")
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```
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参考https://gitea.freeleaps.mathmast.com/freeleaps/freeleaps-service-hub/src/branch/master/apps/metrics的接入方式
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# 2. 配置Metrics采集
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## 2.1. 找到helm pkg目录
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对于freeleaps内部服务而言,你需要在freeleaps-ops仓库下找到该服务部署的helm-package配置
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> 比如metrics服务，他的配置在`https://gitea.freeleaps.mathmast.com/freeleaps/freeleaps-ops/src/branch/master/freeleaps/helm-pkg/metrics`
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对于freeleaps租户服务而言(通过one-click部署),你需要在对应服务仓库下找到`.freeleas/devops/helm-pkg`
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> 比如magicleaps服务，他的配置在`https://gitea.freeleaps.mathmast.com/products/magicleaps/src/branch/main/.freeleaps/devops/helm-pkg`
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## 2.2. 新增新增servicemonitor配置
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在templates文件夹下新增`servicemonitor.yaml`文件,内容如下,内容参考`https://gitea.freeleaps.mathmast.com/freeleaps/freeleaps-ops/src/branch/master/freeleaps/helm-pkg/notification/templates/notification/servicemonitor.yaml`
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根据value.yaml中的配置，更新必要内容，比如第6行从notification修改为metrics
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## 2.3. 修改value.{alpha|prod}.yaml
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新增serviceMonitor配置，参考`https://gitea.freeleaps.mathmast.com/freeleaps/freeleaps-ops/src/branch/master/freeleaps/helm-pkg/notification/values.prod.yaml`
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```
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- name: notification-service
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type: ClusterIP
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port: 8003
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targetPort: 8003
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serviceMonitor:
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enabled: true
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labels:
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release: kube-prometheus-stack
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namespace: freeleaps-monitoring-system
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internal: 30s
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scrapeTimeout: ''
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```
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