# Prometheus integration
> 原文:[https://docs.gitlab.com/ee/user/project/integrations/prometheus.html](https://docs.gitlab.com/ee/user/project/integrations/prometheus.html)
* [Enabling Prometheus Integration](#enabling-prometheus-integration)
* [Managed Prometheus on Kubernetes](#managed-prometheus-on-kubernetes)
* [Requirements](#requirements)
* [Getting started](#getting-started)
* [About managed Prometheus deployments](#about-managed-prometheus-deployments)
* [Manual configuration of Prometheus](#manual-configuration-of-prometheus)
* [Requirements](#requirements-1)
* [Getting started](#getting-started-1)
* [Configuration in GitLab](#configuration-in-gitlab)
* [Thanos configuration in GitLab](#thanos-configuration-in-gitlab)
* [Precedence with multiple Prometheus configurations](#precedence-with-multiple-prometheus-configurations)
* [Determining the performance impact of a merge](#determining-the-performance-impact-of-a-merge)
# Prometheus integration[](#prometheus-integration "Permalink")
在 GitLab 9.0 中[引入](https://gitlab.com/gitlab-org/gitlab-foss/-/merge_requests/8935) .
GitLab 提供與[Prometheus 的](https://s0prometheus0io.icopy.site)強大集成,可直接在 GitLab 中監視您的應用程序的關鍵指標. 從 Prometheus 檢索每個環境的度量,然后在 GitLab 界面中顯示.
[](img/prometheus_dashboard.png)
有兩種方法可以設置 Prometheus 集成,具體取決于應用程序的運行位置:
* 對于在 Kubernetes 上的部署,GitLab 可以自動[部署和管理 Prometheus](#managed-prometheus-on-kubernetes) .
* 對于其他部署目標,只需[指定 Prometheus 服務器](#manual-configuration-of-prometheus) .
啟用后,GitLab 將自動從[度量標準庫](prometheus_library/index.html)中的已知服務中檢測度量[標準](prometheus_library/index.html) . 您還可以[添加自己的指標](../../../operations/metrics/index.html#adding-custom-metrics)并創建[自定義儀表板](../../../operations/metrics/dashboards/index.html) .
## Enabling Prometheus Integration[](#enabling-prometheus-integration "Permalink")
### Managed Prometheus on Kubernetes[](#managed-prometheus-on-kubernetes "Permalink")
在 GitLab 10.5 中[引入](https://gitlab.com/gitlab-org/gitlab-foss/-/issues/28916) .
GitLab 可以在[連接的 Kubernetes 集群](../clusters/index.html)上無縫部署和管理 Prometheus,從而使對應用程序的監視變得容易.
#### Requirements[](#requirements "Permalink")
* A [connected Kubernetes cluster](../clusters/index.html)
#### Getting started[](#getting-started "Permalink")
擁有連接的 Kubernetes 集群后,只需單擊即可輕松部署托管的 Prometheus.
1. 轉到**操作> Kubernetes**頁面以查看已連接的集群
2. 選擇您要部署 Prometheus 的集群
3. 單擊**安裝**按鈕以將 Prometheus 部署到群集
[](img/prometheus_deploy.png)
#### About managed Prometheus deployments[](#about-managed-prometheus-deployments "Permalink")
使用[官方 Helm 圖表](https://github.com/helm/charts/tree/master/stable/prometheus)將 Prometheus 部署到`gitlab-managed-apps`命名空間中. Prometheus 僅可在集群中訪問,并且 GitLab 通過[Kubernetes API 進行](https://kubernetes.io/docs/concepts/overview/kubernetes-api/)通信.
Prometheus 服務器將[自動檢測和監視](https://s0prometheus0io.icopy.site/docs/prometheus/latest/configuration/configuration/)節點,吊艙和端點. 要配置 Prometheus 監視的資源,只需設置以下[Kubernetes 批注](https://kubernetes.io/docs/concepts/overview/working-with-objects/annotations/) :
* `prometheus.io/scrape`為`true`以啟用對資源的監視.
* `prometheus.io/port`定義度量標準端點的端口.
* `prometheus.io/path`來定義度量標準端點的路徑. 默認為`/metrics` .
CPU 和內存使用情況受到監視,但是需要使用[命名約定](prometheus_library/kubernetes.html#specifying-the-environment)來確定環境. 如果您使用的是[Auto DevOps](../../../topics/autodevops/index.html) ,則會自動處理.
由 GitLab 部署到群集的[NGINX Ingress](../clusters/index.html#installing-applications)會自動添加注釋,以進行監視,以提供關鍵的響應指標:延遲,吞吐量和錯誤率.
### Manual configuration of Prometheus[](#manual-configuration-of-prometheus "Permalink")
#### Requirements[](#requirements-1 "Permalink")
與 Prometheus 集成需要滿足以下條件:
1. GitLab 9.0 或更高版本
2. 必須將 Prometheus 配置為收集[支持的指標之一](prometheus_library/index.html)
3. Each metric must be have a label to indicate the environment
4. GitLab 必須與 Prometheus 服務器具有網絡連接
#### Getting started[](#getting-started-1 "Permalink")
安裝和配置 Prometheus 來監視應用程序非常簡單.
1. [Install Prometheus](https://s0prometheus0io.icopy.site/docs/prometheus/latest/installation/)
2. 設置[受支持的監視目標之一](prometheus_library/index.html)
3. 配置 Prometheus 服務器以[收集其指標](https://s0prometheus0io.icopy.site/docs/prometheus/latest/configuration/configuration/)
#### Configuration in GitLab[](#configuration-in-gitlab "Permalink")
GitLab 中 Prometheus 集成的實際配置非常簡單. 您只需要與您要集成的 Prometheus 服務器的域名或 IP 地址. 如果 Prometheus 資源由 Google 的身份識別代理(IAP)保護,則可以傳遞其他信息,例如客戶端 ID 和服務帳戶憑據,GitLab 可以使用這些信息來訪問資源. 有關從服務帳戶進行身份驗證的更多信息,請參見 Google 的" [從服務帳戶](https://cloud.google.com/iap/docs/authentication-howto#authenticating_from_a_service_account)進行[身份驗證"](https://cloud.google.com/iap/docs/authentication-howto#authenticating_from_a_service_account)文檔.
1. 導航至位于的" [集成"頁面](overview.html#accessing-integrations) **設置>集成** .
2. 單擊**Prometheus**服務.
3. 對于**API URL** ,請提供服務器的域名或 IP 地址,例如`http://prometheus.example.com/`或`http://192.0.2.1/` .
4. (可選)在**Google IAP Audience Client ID 中** ,提供受 Google IAP 保護的 Prometheus OAuth Client 的 Client ID.
5. (可選)在**Google IAP 服務帳戶 JSON 中** ,提供被授權訪問 Prometheus 資源的服務帳戶憑據文件的內容.
6. Click **保存更改**.
[](img/prometheus_manual_configuration_v13_2.png)
#### Thanos configuration in GitLab[](#thanos-configuration-in-gitlab "Permalink")
您可以使用 GitLab 將[Thanos](https://thanos.io/)配置為 Prometheus 的替代品. 您將需要與之集成的 Thanos 服務器的域名或 IP 地址.
1. 導航到" [集成"頁面](overview.html#accessing-integrations) .
2. 單擊**Prometheus**服務.
3. 提供服務器的域名或 IP 地址,例如`http://thanos.example.com/`或`http://192.0.2.1/` .
4. Click **保存更改**.
### Precedence with multiple Prometheus configurations[](#precedence-with-multiple-prometheus-configurations "Permalink")
盡管可以同時啟用 Prometheus 的[手動配置](#manual-configuration-of-prometheus)和[自動配置](#managed-prometheus-on-kubernetes) ,但僅使用其中之一:
* 如果您已[在 Kubernetes 上](#managed-prometheus-on-kubernetes)啟用了[Prometheus 手動配置](#manual-configuration-of-prometheus)和[托管的 Prometheus](#managed-prometheus-on-kubernetes) ,則手動配置優先,并用于從[儀表板](../../../operations/metrics/dashboards/index.html#defining-custom-dashboards-per-project)和[自定義指標](../../../operations/metrics/index.html#adding-custom-metrics)運行查詢.
* 如果您已在**不同**級別(項目,組,實例)的 Kubernetes 集群上安裝了托管的 Prometheus 應用程序,則集群的優先級中將描述[優先級的順序](../../instance/clusters/index.html#cluster-precedence) .
* If you have managed Prometheus applications installed on multiple Kubernetes clusters at the **same** level, the Prometheus application of a cluster with a matching [environment scope](../../../ci/environments/index.html#scoping-environments-with-specs) is used.
## Determining the performance impact of a merge[](#determining-the-performance-impact-of-a-merge "Permalink")
版本歷史
* 在 GitLab 9.2 中[引入](https://gitlab.com/gitlab-org/gitlab-foss/-/merge_requests/10408) .
* GitLab 9.3 添加了 30 分鐘平均值的[數字比較](https://gitlab.com/gitlab-org/gitlab-foss/-/issues/27439) .
開發人員可以在合并請求工作流程中查看其更改對性能的影響.
**Note:** Requires [Kubernetes](prometheus_library/kubernetes.html) metrics.
將源分支部署到環境后,將出現迷你圖和平均內存消耗的數值比較. 在迷你圖上,圓點指示部署當前更改的時間,前后最多顯示 30 分鐘的性能數據. 比較結果顯示了部署前后 30 分鐘平均值之間的差異. 部署每個提交后,將更新此信息.
合并并重新部署目標分支后,指標將切換為顯示此修訂版已部署到的新環境.
性能數據將在 Prometheus 服務器上持久保存的時間內可用.
[](img/merge_request_performance.png)
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- Smoke Tests
- Testing best practices
- Testing levels
- Testing Rails migrations at GitLab
- Testing Rake tasks
- End-to-end Testing
- Beginner's guide to writing end-to-end tests
- End-to-end testing Best Practices
- Dynamic Element Validation
- Flows in GitLab QA
- Page objects in GitLab QA
- Resource class in GitLab QA
- Style guide for writing end-to-end tests
- Testing with feature flags
- Translate GitLab to your language
- Internationalization for GitLab
- Translating GitLab
- Proofread Translations
- Merging translations from CrowdIn
- Value Stream Analytics development guide
- GitLab subscription
- Activate GitLab EE with a license