diff options
| -rw-r--r-- | doc/user/project/clusters/index.md | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/doc/user/project/clusters/index.md b/doc/user/project/clusters/index.md index 0db95e5a64c..0677fe622f2 100644 --- a/doc/user/project/clusters/index.md +++ b/doc/user/project/clusters/index.md @@ -257,11 +257,11 @@ GitLab will create the necessary service accounts and privileges in order to ins NOTE: **Note:** Restricted service account for deployment was [introduced](https://gitlab.com/gitlab-org/gitlab-ce/issues/51716) in GitLab 11.5. -- When you install Helm Tiller into your cluster, the `tiller` service account +- When you install Helm into your cluster, the `tiller` service account will be created with `cluster-admin` privileges in the `gitlab-managed-apps` namespace. This service account will be added to the installed Helm Tiller and will be used by Helm to install and run [GitLab managed applications](#installing-applications). - Helm Tiller will also create additional service accounts and other resources for each + Helm will also create additional service accounts and other resources for each installed application. Consult the documentation of the Helm charts for each application for details. @@ -315,25 +315,29 @@ install it manually. ## Installing applications GitLab provides **GitLab Managed Apps**, a one-click install for various applications which can -be added directly to your configured cluster. Those applications are +be added directly to your configured cluster. These applications are needed for [Review Apps](../../../ci/review_apps/index.md) and -[deployments](../../../ci/environments.md). You can install them after you +[deployments](../../../ci/environments.md) when using [Auto DevOps](../../../topics/autodevops/index.md). +You can install them after you [create a cluster](#adding-and-creating-a-new-gke-cluster-via-gitlab). +Applications managed by GitLab will be installed onto the `gitlab-managed-apps` namespace. This differrent +from the namespace used for project deployments. It is only created once and its name is not configurable. + To see a list of available applications to install: 1. Navigate to your project's **Operations > Kubernetes**. 1. Select your cluster. -Install Helm Tiller first because it's used to install other applications. +Install Helm first as it's used to install other applications. NOTE: **Note:** -As of GitLab 11.6, Helm Tiller will be upgraded to the latest version supported +As of GitLab 11.6, Helm will be upgraded to the latest version supported by GitLab before installing any of the applications. | Application | GitLab version | Description | Helm Chart | | ----------- | :------------: | ----------- | --------------- | -| [Helm Tiller](https://docs.helm.sh/) | 10.2+ | Helm is a package manager for Kubernetes and is required to install all the other applications. It is installed in its own pod inside the cluster which can run the `helm` CLI in a safe environment. | n/a | +| [Helm](https://docs.helm.sh/) | 10.2+ | Helm is a package manager for Kubernetes and is required to install all the other applications. It is installed in its own pod inside the cluster which can run the `helm` CLI in a safe environment. | n/a | | [Ingress](https://kubernetes.io/docs/concepts/services-networking/ingress/) | 10.2+ | Ingress can provide load balancing, SSL termination, and name-based virtual hosting. It acts as a web proxy for your applications and is useful if you want to use [Auto DevOps] or deploy your own web apps. | [stable/nginx-ingress](https://github.com/helm/charts/tree/master/stable/nginx-ingress) | | [Cert-Manager](https://docs.cert-manager.io/en/latest/) | 11.6+ | Cert-Manager is a native Kubernetes certificate management controller that helps with issuing certificates. Installing Cert-Manager on your cluster will issue a certificate by [Let's Encrypt](https://letsencrypt.org/) and ensure that certificates are valid and up-to-date. | [stable/cert-manager](https://github.com/helm/charts/tree/master/stable/cert-manager) | | [Prometheus](https://prometheus.io/docs/introduction/overview/) | 10.4+ | Prometheus is an open-source monitoring and alerting system useful to supervise your deployed applications. | [stable/prometheus](https://github.com/helm/charts/tree/master/stable/prometheus) | @@ -345,9 +349,9 @@ With the exception of Knative, the applications will be installed in a dedicated namespace called `gitlab-managed-apps`. CAUTION: **Caution:** -If you have an existing Kubernetes cluster with Tiller already installed, +If you have an existing Kubernetes cluster with Helm already installed, you should be careful as GitLab cannot detect it. In this case, installing -Tiller via the applications will result in the cluster having it twice, which +Helm via the applications will result in the cluster having it twice, which can lead to confusion during deployments. ### Upgrading applications @@ -384,7 +388,7 @@ To avoid installation errors: - Before starting the installation of applications, make sure that time is synchronized between your GitLab server and your Kubernetes cluster. -- Ensure certificates are not out of sync. When installing applications, GitLab expects a new cluster with no previous installation of Tiller. +- Ensure certificates are not out of sync. When installing applications, GitLab expects a new cluster with no previous installation of Helm. You can confirm that the certificates match via `kubectl`: |