# Adding EKS clusters
> 原文:[https://docs.gitlab.com/ee/user/project/clusters/add_eks_clusters.html](https://docs.gitlab.com/ee/user/project/clusters/add_eks_clusters.html)
* [EKS requirements](#eks-requirements)
* [Additional requirements for self-managed instances](#additional-requirements-for-self-managed-instances-core-only)
* [New EKS cluster](#new-eks-cluster)
* [Troubleshooting creating a new cluster](#troubleshooting-creating-a-new-cluster)
* [Error: Request failed with status code 422](#error-request-failed-with-status-code-422)
* [Could not load Security Groups for this VPC](#could-not-load-security-groups-for-this-vpc)
* [`ROLLBACK_FAILED` during cluster creation](#rollback_failed-during-cluster-creation)
* [Existing EKS cluster](#existing-eks-cluster)
* [Create a default Storage Class](#create-a-default-storage-class)
* [Deploy the app to EKS](#deploy-the-app-to-eks)
# Adding EKS clusters[](#adding-eks-clusters "Permalink")
GitLab 支持添加新的和現有的 EKS 集群.
## EKS requirements[](#eks-requirements "Permalink")
在通過 GitLab 集成在 Amazon EKS 上創建第一個集群之前,請確保滿足以下要求:
* 設置了[Amazon Web Services](https://aws.amazon.com/)帳戶,您就可以登錄.
* 您有權管理 IAM 資源.
* 如果要使用[現有的 EKS 集群](#existing-eks-cluster) :
* 已正確配置工作節點的 Amazon EKS 集群.
* [安裝并配置](https://docs.aws.amazon.com/eks/latest/userguide/getting-started.html#get-started-kubectl)了`kubectl`以訪問 EKS 集群.
### Additional requirements for self-managed instances[](#additional-requirements-for-self-managed-instances-core-only "Permalink")
如果您使用自我管理的 GitLab 實例,則必須首先使用一組 Amazon 憑證配置 GitLab. 這些憑證將用于承擔創建集群的用戶提供的 Amazon IAM 角色. 創建一個 IAM 用戶,并確保其有權承擔您的用戶將用來創建 EKS 群集的角色.
例如,以下策略文檔允許在帳戶`123456789012`假設一個角色的名稱以`gitlab-eks-` :
```
{ "Version": "2012-10-17", "Statement": { "Effect": "Allow", "Action": "sts:AssumeRole", "Resource": "arn:aws:iam::123456789012:role/gitlab-eks-*" } }
```
為 IAM 用戶生成訪問密鑰,并使用憑據配置 GitLab:
1. 導航至**管理區域>設置>集成,**然后展開**Amazon EKS**部分.
2. Check **啟用 Amazon EKS 集成**.
3. 在相應的`Account ID` , `Access key ID`和`Secret access key`字段中輸入帳戶 ID 和訪問密鑰憑據.
4. Click **保存更改**.
## New EKS cluster[](#new-eks-cluster "Permalink")
在 GitLab 12.5 中[引入](https://gitlab.com/gitlab-org/gitlab/-/issues/22392) .
要創建新的 Kubernetes 集群并將其添加到您的項目,組或實例:
1. 導航到您的:
* 項目的 **操作> Kubernetes**頁面,用于項目級集群.
* 組的 **Kubernetes**頁面,用于組級別集群.
* **管理區>** **Kubernetes** ,用于實例級集群.
2. Click **添加 Kubernetes 集群**.
3. 在" **創建新集群"**選項卡下,單擊**Amazon EKS** . 將為您提供一個`Account ID`和`External ID` ,供下一步使用.
4. 在[IAM 管理控制臺中](https://console.aws.amazon.com/iam/home) ,創建一個 IAM 角色:
1. 在左側面板中,選擇**角色** .
2. 單擊**創建角色** .
3. 在`Select type of trusted entity` ,選擇**另一個 AWS 賬戶** .
4. 在 GitLab 中的`Account ID`字段中輸入`Account ID` .
5. 選中**需要外部 ID** .
6. 在 GitLab 中將`External ID`輸入到`External ID`字段中.
7. 單擊**下一步:權限** .
8. 點擊**創建策略** ,這將打開一個新窗口.
9. 選擇**JSON**標簽,然后粘貼以下代碼段代替現有內容:
```
{
"Version" : "2012-10-17" ,
"Statement" : [
{
"Effect" : "Allow" ,
"Action" : [
"autoscaling:CreateAutoScalingGroup" ,
"autoscaling:DescribeAutoScalingGroups" ,
"autoscaling:DescribeScalingActivities" ,
"autoscaling:UpdateAutoScalingGroup" ,
"autoscaling:CreateLaunchConfiguration" ,
"autoscaling:DescribeLaunchConfigurations" ,
"cloudformation:CreateStack" ,
"cloudformation:DescribeStacks" ,
"ec2:AuthorizeSecurityGroupEgress" ,
"ec2:AuthorizeSecurityGroupIngress" ,
"ec2:RevokeSecurityGroupEgress" ,
"ec2:RevokeSecurityGroupIngress" ,
"ec2:CreateSecurityGroup" ,
"ec2:createTags" ,
"ec2:DescribeImages" ,
"ec2:DescribeKeyPairs" ,
"ec2:DescribeRegions" ,
"ec2:DescribeSecurityGroups" ,
"ec2:DescribeSubnets" ,
"ec2:DescribeVpcs" ,
"eks:CreateCluster" ,
"eks:DescribeCluster" ,
"iam:AddRoleToInstanceProfile" ,
"iam:AttachRolePolicy" ,
"iam:CreateRole" ,
"iam:CreateInstanceProfile" ,
"iam:CreateServiceLinkedRole" ,
"iam:GetRole" ,
"iam:ListRoles" ,
"iam:PassRole" ,
"ssm:GetParameters"
],
"Resource" : "*"
}
]
}
```
**注意:**這些權限使 GitLab 能夠創建資源,但不能刪除它們. 這意味著,如果在創建過程中遇到錯誤,更改將不會回滾,您必須手動刪除資源. 您可以通過刪除相關的[CloudFormation 堆棧](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/cfn-console-delete-stack.html)來做到這一點
10. 點擊**審核政策** .
11. 為此策略輸入合適的名稱,然后點擊**創建策略** . 您現在可以關閉此窗口.
12. 切換回"創建角色"窗口,然后選擇剛創建的策略.
13. 單擊**下一步:標簽** ,并選擇輸入您希望與此角色關聯的任何標簽.
14. 單擊**下一步:查看** .
15. 在提供的字段中輸入角色名稱和可選描述.
16. 點擊**創建角色** ,新角色名稱將顯示在頂部. 單擊其名稱,然后從新創建的角色復制`Role ARN` .
5. 在 GitLab 中,將復制的角色 ARN 輸入到`Role ARN`字段中.
6. Click **使用 AWS 進行身份驗證**.
7. 選擇集群的設置:
* **Kubernetes 集群名稱** -您希望賦予集群的名稱.
* **環境范圍** -該集群的[關聯環境](index.html#setting-the-environment-scope-premium) .
* **Kubernetes 版本** -要使用的 Kubernetes 版本. 當前唯一支持的版本是 1.14\.
* **角色名稱** -選擇[IAM 角色](https://docs.aws.amazon.com/eks/latest/userguide/service_IAM_role.html)以允許 Amazon EKS 和 Kubernetes 控制平面代表您管理 AWS 資源. 此 IAM 角色與上面創建的 IAM 角色是分開的,如果尚不存在,則需要創建它.
* **區域** -將在其中創建群集的[區域](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/using-regions-availability-zones.html) .
* **密鑰對名稱** -如果需要,選擇可用于連接到工作節點的[密鑰對](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-key-pairs.html) .
* **VPC-**選擇要用于 EKS 群集資源的[VPC](https://docs.aws.amazon.com/vpc/latest/userguide/what-is-amazon-vpc.html) .
* **子網** -在您的 VPC 中選擇運行工作節點的[子網](https://docs.aws.amazon.com/vpc/latest/userguide/VPC_Subnets.html) . 您必須至少選擇兩個.
* **安全組** -選擇[安全組](https://docs.aws.amazon.com/vpc/latest/userguide/VPC_SecurityGroups.html)以應用到在工作節點子網中創建的 EKS 管理的彈性網絡接口.
* **實例類型** -工作節點的[實例類型](https://aws.amazon.com/ec2/instance-types/) .
* **節點數** -工作節點數.
* **由 GitLab 管理的群集** -如果要讓 GitLab 管理該群集的名稱空間和服務帳戶,請選中此復選框. 有關更多信息,請參見[托管集群部分](index.html#gitlab-managed-clusters) .
8. 最后,單擊**創建 Kubernetes 集群**按鈕.
大約 10 分鐘后,您的集群便可以使用了. 現在,您可以繼續安裝一些[預定義的應用程序](index.html#installing-applications) .
**注意:**您需要將 AWS 外部 ID 添加到[AWS CLI 中](https://docs.aws.amazon.com/cli/latest/userguide/cli-configure-role.html#cli-configure-role-xaccount)的[IAM 角色,](https://docs.aws.amazon.com/cli/latest/userguide/cli-configure-role.html#cli-configure-role-xaccount)才能使用`kubectl`管理集群.
### Troubleshooting creating a new cluster[](#troubleshooting-creating-a-new-cluster "Permalink")
創建新集群時,通常會遇到以下錯誤.
#### Error: Request failed with status code 422[](#error-request-failed-with-status-code-422 "Permalink")
提交初始身份驗證表單時,如果無法確定您提供的角色,則 GitLab 會返回狀態碼 422 錯誤. 確保已使用 GitLab 提供的**帳戶 ID**和**外部 ID**正確配置了角色. 在 GitLab 中,確保輸入正確的**Role ARN** .
#### Could not load Security Groups for this VPC[](#could-not-load-security-groups-for-this-vpc "Permalink")
當在配置表單中填充選項時,GitLab 將返回此錯誤,因為 GitLab 已成功承擔了您提供的角色,但是該角色沒有足夠的權限來檢索表單所需的資源. 確保已為角色分配了正確的權限.
#### `ROLLBACK_FAILED` during cluster creation[](#rollback_failed-during-cluster-creation "Permalink")
由于 GitLab 在創建一個或多個資源時遇到錯誤,因此創建過程停止. 您可以檢查關聯的[CloudFormation 堆棧](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/cfn-console-view-stack-data-resources.html)以查找創建失敗的特定資源.
如果`Cluster`資源因錯誤`The provided role doesn't have the Amazon EKS Managed Policies associated with it.`失敗,則`The provided role doesn't have the Amazon EKS Managed Policies associated with it.` , **角色名稱**中指定的**角色**配置不正確.
**注意:**此角色不應與上面創建的角色相同. 如果您沒有現有的[EKS 群集 IAM 角色](https://docs.aws.amazon.com/eks/latest/userguide/service_IAM_role.html) ,則必須創建一個.
## Existing EKS cluster[](#existing-eks-cluster "Permalink")
有關添加現有 EKS 群集的信息,請參閱" [現有 Kubernetes 群集"](add_remove_clusters.html#existing-kubernetes-cluster) .
### Create a default Storage Class[](#create-a-default-storage-class "Permalink")
Amazon EKS 沒有開箱即用的默認存儲類,這意味著對持久卷的請求將不會自動滿足. 作為 Auto DevOps 的一部分,已部署的 PostgreSQL 實例將請求持久存儲,并且如果沒有默認存儲類,它將無法啟動.
如果默認的存儲類尚不存在并且需要使用,請按照 Amazon 的[存儲類指南](https://docs.aws.amazon.com/eks/latest/userguide/storage-classes.html)創建一個.
或者,通過將項目變量[`POSTGRES_ENABLED`](../../../topics/autodevops/customize.html#environment-variables)設置為`false`來禁用 PostgreSQL.
### Deploy the app to EKS[](#deploy-the-app-to-eks "Permalink")
在禁用 RBAC 和部署服務的情況下,現在可以利用[Auto DevOps](../../../topics/autodevops/index.html)構建,測試和部署應用程序.
如果尚未啟用,則[啟用 Auto DevOps](../../../topics/autodevops/index.html#at-the-project-level) . 如果創建了通配符 DNS 條目以解析到負載均衡器,請在"自動 DevOps"設置下的" `domain`字段中輸入它. 否則,已部署的應用程序將無法在群集外部從外部獲得.
[](img/pipeline.png)
將自動創建一個新管道,該管道將開始構建,測試和部署該應用程序.
管道完成后,您的應用將在 EKS 中運行,并可供用戶使用. 單擊**CI / CD>環境** .
[](img/environment.png)
您將看到環境及其部署狀態的列表,以及瀏覽到應用程序,查看監視指標甚至訪問正在運行的 Pod 上的 Shell 的選項.
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- Reference architecture: up to 50,000 users
- Troubleshooting a reference architecture set up
- Working with the bundled Consul service
- Configuring PostgreSQL for scaling
- Configuring GitLab application (Rails)
- Load Balancer for multi-node GitLab
- Configuring a Monitoring node for Scaling and High Availability
- NFS
- Working with the bundled PgBouncer service
- Configuring Redis for scaling
- Configuring Sidekiq
- Admin Area settings
- Continuous Integration and Deployment Admin settings
- Custom instance-level project templates
- Diff limits administration
- Enable and disable GitLab features deployed behind feature flags
- Geo nodes Admin Area
- GitLab Pages administration
- Health Check
- Job logs
- Labels administration
- Log system
- PlantUML & GitLab
- Repository checks
- Repository storage paths
- Repository storage types
- Account and limit settings
- Service templates
- System hooks
- Changing your time zone
- Uploads administration
- Abuse reports
- Activating and deactivating users
- Audit Events
- Blocking and unblocking users
- Broadcast Messages
- Elasticsearch integration
- Gitaly
- Gitaly Cluster
- Gitaly reference
- Monitoring GitLab
- Monitoring GitLab with Prometheus
- Performance Bar
- Usage statistics
- Object Storage
- Performing Operations in GitLab
- Cleaning up stale Redis sessions
- Fast lookup of authorized SSH keys in the database
- Filesystem Performance Benchmarking
- Moving repositories managed by GitLab
- Run multiple Sidekiq processes
- Sidekiq MemoryKiller
- Switching to Puma
- Understanding Unicorn and unicorn-worker-killer
- User lookup via OpenSSH's AuthorizedPrincipalsCommand
- GitLab Package Registry administration
- GitLab Container Registry administration
- Replication (Geo)
- Geo database replication
- Geo with external PostgreSQL instances
- Geo configuration
- Using a Geo Server
- Updating the Geo nodes
- Geo with Object storage
- Docker Registry for a secondary node
- Geo for multiple nodes
- Geo security review (Q&A)
- Location-aware Git remote URL with AWS Route53
- Tuning Geo
- Removing secondary Geo nodes
- Geo data types support
- Geo Frequently Asked Questions
- Geo Troubleshooting
- Geo validation tests
- Disaster Recovery (Geo)
- Disaster recovery for planned failover
- Bring a demoted primary node back online
- Automatic background verification
- Rake tasks
- Back up and restore GitLab
- Clean up
- Namespaces
- Maintenance Rake tasks
- Geo Rake Tasks
- GitHub import
- Import bare repositories
- Integrity check Rake task
- LDAP Rake tasks
- Listing repository directories
- Praefect Rake tasks
- Project import/export administration
- Repository storage Rake tasks
- Generate sample Prometheus data
- Uploads migrate Rake tasks
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- User management
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- X.509 signatures
- Server hooks
- Static objects external storage
- Updating GitLab
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- Password Storage
- Custom password length limits
- Restrict allowed SSH key technologies and minimum length
- Rate limits
- Webhooks and insecure internal web services
- Information exclusivity
- How to reset your root password
- How to unlock a locked user from the command line
- User File Uploads
- How we manage the TLS protocol CRIME vulnerability
- User email confirmation at sign-up
- Security of running jobs
- Proxying assets
- CI/CD Environment Variables
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- Activate GitLab EE with a license