Merge branch '22392-eks-cloudformation-template' into 'master'

CloudFormation template for creating EKS clusters

See merge request gitlab-org/gitlab!17036

vendor/aws/cloudformation/eks_cluster.yaml

+---
+AWSTemplateFormatVersion: 2010-09-09
+Description: GitLab EKS Cluster
+
+Parameters:
+
+  KubernetesVersion:
+    Description: The Kubernetes version to install
+    Type: String
+    Default: 1.14
+    AllowedValues:
+      - 1.12
+      - 1.13
+      - 1.14
+
+  KeyName:
+    Description: The EC2 Key Pair to allow SSH access to the node instances
+    Type: AWS::EC2::KeyPair::KeyName
+
+  NodeImageIdSSMParam:
+    Type: "AWS::SSM::Parameter::Value<AWS::EC2::Image::Id>"
+    Default: /aws/service/eks/optimized-ami/1.14/amazon-linux-2/recommended/image_id
+    Description: AWS Systems Manager Parameter Store parameter of the AMI ID for the worker node instances.
+
+  NodeInstanceType:
+    Description: EC2 instance type for the node instances
+    Type: String
+    Default: t3.medium
+    ConstraintDescription: Must be a valid EC2 instance type
+    AllowedValues:
+      - t2.small
+      - t2.medium
+      - t2.large
+      - t2.xlarge
+      - t2.2xlarge
+      - t3.nano
+      - t3.micro
+      - t3.small
+      - t3.medium
+      - t3.large
+      - t3.xlarge
+      - t3.2xlarge
+      - m3.medium
+      - m3.large
+      - m3.xlarge
+      - m3.2xlarge
+      - m4.large
+      - m4.xlarge
+      - m4.2xlarge
+      - m4.4xlarge
+      - m4.10xlarge
+      - m5.large
+      - m5.xlarge
+      - m5.2xlarge
+      - m5.4xlarge
+      - m5.12xlarge
+      - m5.24xlarge
+      - c4.large
+      - c4.xlarge
+      - c4.2xlarge
+      - c4.4xlarge
+      - c4.8xlarge
+      - c5.large
+      - c5.xlarge
+      - c5.2xlarge
+      - c5.4xlarge
+      - c5.9xlarge
+      - c5.18xlarge
+      - i3.large
+      - i3.xlarge
+      - i3.2xlarge
+      - i3.4xlarge
+      - i3.8xlarge
+      - i3.16xlarge
+      - r3.xlarge
+      - r3.2xlarge
+      - r3.4xlarge
+      - r3.8xlarge
+      - r4.large
+      - r4.xlarge
+      - r4.2xlarge
+      - r4.4xlarge
+      - r4.8xlarge
+      - r4.16xlarge
+      - x1.16xlarge
+      - x1.32xlarge
+      - p2.xlarge
+      - p2.8xlarge
+      - p2.16xlarge
+      - p3.2xlarge
+      - p3.8xlarge
+      - p3.16xlarge
+      - p3dn.24xlarge
+      - r5.large
+      - r5.xlarge
+      - r5.2xlarge
+      - r5.4xlarge
+      - r5.12xlarge
+      - r5.24xlarge
+      - r5d.large
+      - r5d.xlarge
+      - r5d.2xlarge
+      - r5d.4xlarge
+      - r5d.12xlarge
+      - r5d.24xlarge
+      - z1d.large
+      - z1d.xlarge
+      - z1d.2xlarge
+      - z1d.3xlarge
+      - z1d.6xlarge
+      - z1d.12xlarge
+
+  NodeAutoScalingGroupDesiredCapacity:
+    Description: Desired capacity of Node Group ASG.
+    Type: Number
+    Default: 3
+
+  NodeVolumeSize:
+    Description: Node volume size
+    Type: Number
+    Default: 20
+
+  ClusterName:
+    Description: Unique name for your Amazon EKS cluster.
+    Type: String
+
+  ClusterRole:
+    Description: The IAM Role to allow Amazon EKS and the Kubernetes control plane to manage AWS resources on your behalf.
+    Type: String
+
+  ClusterControlPlaneSecurityGroup:
+    Description: The security groups to apply to the EKS-managed Elastic Network Interfaces that are created in your worker node subnets.
+    Type: AWS::EC2::SecurityGroup::Id
+
+  VpcId:
+    Description: The VPC to use for your EKS Cluster resources.
+    Type: AWS::EC2::VPC::Id
+
+  Subnets:
+    Description: The subnets in your VPC where your worker nodes will run.
+    Type: List<AWS::EC2::Subnet::Id>
+
+Metadata:
+
+  AWS::CloudFormation::Interface:
+    ParameterGroups:
+      - Label:
+          default: EKS Cluster
+        Parameters:
+          - ClusterName
+          - ClusterRole
+          - KubernetesVersion
+          - ClusterControlPlaneSecurityGroup
+      - Label:
+          default: Worker Node Configuration
+        Parameters:
+          - NodeAutoScalingGroupDesiredCapacity
+          - NodeInstanceType
+          - NodeImageIdSSMParam
+          - NodeVolumeSize
+          - KeyName
+      - Label:
+          default: Worker Network Configuration
+        Parameters:
+          - VpcId
+          - Subnets
+
+Resources:
+
+  Cluster:
+    Type: AWS::EKS::Cluster
+    Properties:
+      Name: !Sub ${ClusterName}
+      Version: !Sub ${KubernetesVersion}
+      RoleArn: !Sub ${ClusterRole}
+      ResourcesVpcConfig:
+        SecurityGroupIds:
+          - !Ref ClusterControlPlaneSecurityGroup
+        SubnetIds: !Ref Subnets
+
+  NodeInstanceProfile:
+    Type: AWS::IAM::InstanceProfile
+    Properties:
+      Path: "/"
+      Roles:
+        - !Ref NodeInstanceRole
+
+  NodeInstanceRole:
+    Type: AWS::IAM::Role
+    Properties:
+      AssumeRolePolicyDocument:
+        Version: 2012-10-17
+        Statement:
+          - Effect: Allow
+            Principal:
+              Service: ec2.amazonaws.com
+            Action: sts:AssumeRole
+      Path: "/"
+      ManagedPolicyArns:
+        - arn:aws:iam::aws:policy/AmazonEKSWorkerNodePolicy
+        - arn:aws:iam::aws:policy/AmazonEKS_CNI_Policy
+        - arn:aws:iam::aws:policy/AmazonEC2ContainerRegistryReadOnly
+
+  NodeSecurityGroup:
+    Type: AWS::EC2::SecurityGroup
+    Properties:
+      GroupDescription: Security group for all nodes in the cluster
+      VpcId: !Ref VpcId
+      Tags:
+        - Key: !Sub kubernetes.io/cluster/${ClusterName}
+          Value: owned
+
+  NodeSecurityGroupIngress:
+    Type: AWS::EC2::SecurityGroupIngress
+    DependsOn: NodeSecurityGroup
+    Properties:
+      Description: Allow nodes to communicate with each other
+      GroupId: !Ref NodeSecurityGroup
+      SourceSecurityGroupId: !Ref NodeSecurityGroup
+      IpProtocol: -1
+      FromPort: 0
+      ToPort: 65535
+
+  NodeSecurityGroupFromControlPlaneIngress:
+    Type: AWS::EC2::SecurityGroupIngress
+    DependsOn: NodeSecurityGroup
+    Properties:
+      Description: Allow worker Kubelets and pods to receive communication from the cluster control plane
+      GroupId: !Ref NodeSecurityGroup
+      SourceSecurityGroupId: !Ref ClusterControlPlaneSecurityGroup
+      IpProtocol: tcp
+      FromPort: 1025
+      ToPort: 65535
+
+  ControlPlaneEgressToNodeSecurityGroup:
+    Type: AWS::EC2::SecurityGroupEgress
+    DependsOn: NodeSecurityGroup
+    Properties:
+      Description: Allow the cluster control plane to communicate with worker Kubelet and pods
+      GroupId: !Ref ClusterControlPlaneSecurityGroup
+      DestinationSecurityGroupId: !Ref NodeSecurityGroup
+      IpProtocol: tcp
+      FromPort: 1025
+      ToPort: 65535
+
+  NodeSecurityGroupFromControlPlaneOn443Ingress:
+    Type: AWS::EC2::SecurityGroupIngress
+    DependsOn: NodeSecurityGroup
+    Properties:
+      Description: Allow pods running extension API servers on port 443 to receive communication from cluster control plane
+      GroupId: !Ref NodeSecurityGroup
+      SourceSecurityGroupId: !Ref ClusterControlPlaneSecurityGroup
+      IpProtocol: tcp
+      FromPort: 443
+      ToPort: 443
+
+  ControlPlaneEgressToNodeSecurityGroupOn443:
+    Type: AWS::EC2::SecurityGroupEgress
+    DependsOn: NodeSecurityGroup
+    Properties:
+      Description: Allow the cluster control plane to communicate with pods running extension API servers on port 443
+      GroupId: !Ref ClusterControlPlaneSecurityGroup
+      DestinationSecurityGroupId: !Ref NodeSecurityGroup
+      IpProtocol: tcp
+      FromPort: 443
+      ToPort: 443
+
+  ClusterControlPlaneSecurityGroupIngress:
+    Type: AWS::EC2::SecurityGroupIngress
+    DependsOn: NodeSecurityGroup
+    Properties:
+      Description: Allow pods to communicate with the cluster API Server
+      GroupId: !Ref ClusterControlPlaneSecurityGroup
+      SourceSecurityGroupId: !Ref NodeSecurityGroup
+      IpProtocol: tcp
+      ToPort: 443
+      FromPort: 443
+
+  NodeGroup:
+    Type: AWS::AutoScaling::AutoScalingGroup
+    DependsOn: Cluster
+    Properties:
+      DesiredCapacity: !Ref NodeAutoScalingGroupDesiredCapacity
+      LaunchConfigurationName: !Ref NodeLaunchConfig
+      MinSize: !Ref NodeAutoScalingGroupDesiredCapacity
+      MaxSize: !Ref NodeAutoScalingGroupDesiredCapacity
+      VPCZoneIdentifier: !Ref Subnets
+      Tags:
+        - Key: Name
+          Value: !Sub ${ClusterName}-node
+          PropagateAtLaunch: true
+        - Key: !Sub kubernetes.io/cluster/${ClusterName}
+          Value: owned
+          PropagateAtLaunch: true
+    UpdatePolicy:
+      AutoScalingRollingUpdate:
+        MaxBatchSize: 1
+        MinInstancesInService: !Ref NodeAutoScalingGroupDesiredCapacity
+        PauseTime: PT5M
+
+  NodeLaunchConfig:
+    Type: AWS::AutoScaling::LaunchConfiguration
+    Properties:
+      AssociatePublicIpAddress: true
+      IamInstanceProfile: !Ref NodeInstanceProfile
+      ImageId: !Ref NodeImageIdSSMParam
+      InstanceType: !Ref NodeInstanceType
+      KeyName: !Ref KeyName
+      SecurityGroups:
+        - !Ref NodeSecurityGroup
+      BlockDeviceMappings:
+        - DeviceName: /dev/xvda
+          Ebs:
+            VolumeSize: !Ref NodeVolumeSize
+            VolumeType: gp2
+            DeleteOnTermination: true
+      UserData:
+        Fn::Base64:
+          !Sub |
+            #!/bin/bash
+            set -o xtrace
+            /etc/eks/bootstrap.sh "${ClusterName}"
+            /opt/aws/bin/cfn-signal --exit-code $? \
+                     --stack  ${AWS::StackName} \
+                     --resource NodeGroup  \
+                     --region ${AWS::Region}
+
+Outputs:
+
+  NodeInstanceRole:
+    Description: The node instance role
+    Value: !GetAtt NodeInstanceRole.Arn
+
+  ClusterCertificate:
+    Description: The cluster certificate
+    Value: !GetAtt Cluster.CertificateAuthorityData
+
+  ClusterEndpoint:
+    Description: The cluster endpoint
+    Value: !GetAtt Cluster.Endpoint