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diff --git a/doc/user/project/integrations/prometheus.md b/doc/user/project/integrations/prometheus.md index cd92e49cada..d17e8e6bfca 100644 --- a/doc/user/project/integrations/prometheus.md +++ b/doc/user/project/integrations/prometheus.md @@ -2,129 +2,11 @@ stage: Monitor group: Respond info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/product/ux/technical-writing/#assignments +remove_date: '2023-08-22' +redirect_to: 'index.md' --- -# Prometheus **(FREE)** +# Prometheus (removed) **(FREE)** -GitLab offers powerful integration with [Prometheus](https://prometheus.io) for -monitoring key metrics of your apps, directly in GitLab. -Metrics for each environment are retrieved from Prometheus, and then displayed -in the GitLab interface. - - - -There are two ways to set up Prometheus integration, depending on where your apps are running: - -- For deployments on Kubernetes, GitLab can be [integrated with an in-cluster Prometheus](#prometheus-cluster-integration) -- For other deployment targets, [specify the Prometheus server](#manual-configuration-of-prometheus). - -Once enabled, GitLab detects metrics from known services in the -[metric library](prometheus_library/index.md). You can also -[add your own metrics](../../../operations/metrics/index.md#adding-custom-metrics) and create -[custom dashboards](../../../operations/metrics/dashboards/index.md). - -## Enabling Prometheus Integration - -### Prometheus cluster integration - -> - [Introduced](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/55244) in GitLab 13.11. -> - [Replaced](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/62725) the Prometheus cluster applications in GitLab 14.0. - -GitLab can query an in-cluster Prometheus for your metrics. -See [Prometheus cluster integration](../../clusters/integrations.md#prometheus-cluster-integration) for details. - -### Manual configuration of Prometheus - -#### Requirements - -Integration with Prometheus requires the following: - -- Prometheus must be configured to collect one of the [supported metrics](prometheus_library/index.md) -- Each metric must have a label to indicate the environment -- GitLab must have network connectivity to the Prometheus server - -#### Getting started - -Installing and configuring Prometheus to monitor applications is fairly straightforward. - -1. [Install Prometheus](https://prometheus.io/docs/prometheus/latest/installation/) -1. Set up one of the [supported monitoring targets](prometheus_library/index.md) -1. Configure the Prometheus server to - [collect their metrics](https://prometheus.io/docs/prometheus/latest/configuration/configuration/#scrape_config) - -#### Configuration in GitLab - -The actual configuration of Prometheus integration in GitLab -requires the domain name or IP address of the Prometheus server you'd like -to integrate with. If the Prometheus resource is secured with Google's Identity-Aware Proxy (IAP), -you can pass information like Client ID and Service Account credentials. -GitLab can use these to access the resource. More information about authentication from a -service account can be found at Google's documentation for -[Authenticating from a service account](https://cloud.google.com/iap/docs/authentication-howto#authenticating_from_a_service_account). - -1. On the top bar, select **Main menu > Projects** and find your project. -1. On the left sidebar, select **Settings > Integrations**. -1. Select **Prometheus**. -1. For **API URL**, provide the domain name or IP address of your server, such as - `http://prometheus.example.com/` or `http://192.0.2.1/`. -1. (Optional) In **Google IAP Audience Client ID**, provide the Client ID of the - Prometheus OAuth Client secured with Google IAP. -1. (Optional) In **Google IAP Service Account JSON**, provide the contents of the - Service Account credentials file that is authorized to access the Prometheus resource. - The JSON key `token_credential_uri` is discarded to prevent - [Server-side Request Forgery (SSRF)](https://www.hackerone.com/application-security/how-server-side-request-forgery-ssrf). -1. Select **Save changes**. - - - -#### Thanos configuration in GitLab - -You can configure [Thanos](https://thanos.io/) as a drop-in replacement for Prometheus -with GitLab. Use the domain name or IP address of the Thanos server you'd like -to integrate with. - -1. On the top bar, select **Main menu > Projects** and find your project. -1. On the left sidebar, select **Settings > Integrations**. -1. Select **Prometheus**. -1. Provide the domain name or IP address of your server, for example - `http://thanos.example.com/` or `http://192.0.2.1/`. -1. Select **Save changes**. - -### Precedence with multiple Prometheus configurations - -Although you can enable both a [manual configuration](#manual-configuration-of-prometheus) -and [cluster integration](#prometheus-cluster-integration) of Prometheus, you -can use only one: - -- If you have enabled a - [Prometheus manual configuration](#manual-configuration-of-prometheus) - and a [Prometheus cluster integration](#prometheus-cluster-integration), - the manual configuration takes precedence and is used to run queries from - [custom dashboards](../../../operations/metrics/dashboards/index.md) and - [custom metrics](../../../operations/metrics/index.md#adding-custom-metrics). -- If you have managed Prometheus applications installed on Kubernetes clusters - at **different** levels (project, group, instance), the order of precedence is described in - [Cluster precedence](../../instance/clusters/index.md#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.md#limit-the-environment-scope-of-a-cicd-variable) is used. - -## Determining the performance impact of a merge - -Developers can view the performance impact of their changes in the merge -request workflow. This feature requires [Kubernetes](prometheus_library/kubernetes.md) metrics. - -When a source branch has been deployed to an environment, a sparkline and -numeric comparison of the average memory consumption displays. On the -sparkline, a dot indicates when the current changes were deployed, with up to 30 minutes of -performance data displayed before and after. The comparison shows the difference -between the 30 minute average before and after the deployment. This information -is updated after each commit has been deployed. - -Once merged and the target branch has been redeployed, the metrics switches -to show the new environments this revision has been deployed to. - -Performance data is available for the duration it is persisted on the -Prometheus server. - - +This feature was [deprecated](https://gitlab.com/gitlab-org/gitlab/-/issues/346541) in GitLab 14.7 +and [removed](https://gitlab.com/gitlab-org/gitlab/-/issues/399231) in 16.0. |