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4.11.10. AWS에서 보안 그룹 및 역할 생성

OpenShift Container Platform 클러스터에서 사용할 보안 그룹 및 역할을 AWS(Amazon Web Services)에서 생성해야 합니다.

제공된 CloudFormation 템플릿과 사용자 정의 매개변수 파일을 사용하여 AWS 리소스 스택을 생성할 수 있습니다. 스택은 OpenShift Container Platform 클러스터에 필요한 보안 그룹 및 역할을 나타냅니다.

참고

AWS 인프라를 생성하는 데 제공된 CloudFormation 템플릿을 사용하지 않는 경우, 제공된 정보를 검토하고 수동으로 인프라를 생성해야 합니다. 클러스터가 올바르게 초기화되지 않은 경우, Red Hat 지원팀에 설치 로그를 제시하여 문의해야 할 수도 있습니다.

사전 요구 사항

  • AWS 계정을 구성했습니다.
  • aws 구성을 실행하여 AWS 키와 리전을 로컬 AWS 프로필에 추가하셨습니다.
  • 클러스터에 대한 Ignition 구성 파일을 생성하셨습니다.
  • AWS에서 VPC 및 관련 서브넷을 생성하고 구성하셨습니다.

프로세스

  1. 템플릿에 필요한 매개변수 값이 포함된 JSON 파일을 생성합니다. 

    [
  {
    "ParameterKey": "InfrastructureName",
    1 
    
    "ParameterValue": "mycluster-<random_string>"
    2 
    
  },
  {
    "ParameterKey": "VpcCidr",
    3 
    
    "ParameterValue": "10.0.0.0/16"
    4 
    
  },
  {
    "ParameterKey": "PrivateSubnets",
    5 
    
    "ParameterValue": "subnet-<random_string>"
    6 
    
  },
  {
    "ParameterKey": "VpcId",
    7 
    
    "ParameterValue": "vpc-<random_string>"
    8 
    
  }
]
    Copy to Clipboard Toggle word wrap
    1
    클러스터에 대해 Ignition 구성 파일에 인코딩되는 클러스터 인프라의 이름입니다.
    2
    Ignition 구성 파일 메타데이터에서 추출한 인프라 이름을 <cluster-name>-<random-string> 형식으로 지정합니다.
    3
    VPC의 CIDR 블록입니다.
    4
    xxxx/16-24 양식으로 정의하고 VPC에 사용한 CIDR 블록 매개변수를 지정합니다.
    5
    VPC용으로 만든 프라이빗 서브넷입니다.
    6
    VPC에 대한 CloudFormation 템플릿의 출력에서 PrivateSubnetIds 값을 지정합니다.
    7
    클러스터용으로 만든 VPC입니다.
    8
    VPC에 대한 CloudFormation 템플릿의 출력에서 VpcId 값을 지정합니다.
  2. 이 항목의 보안 개체에 대한 CloudFormation 템플릿 섹션에서 템플릿을 복사하여 사용자 컴퓨터에 YAML 파일로 저장합니다. 이 템플릿은 클러스터에 필요한 보안 그룹 및 역할을 설명합니다.

  3. CloudFormation 템플릿을 시작하여 보안 그룹 및 역할을 나타내는 AWS 리소스 스택을 생성합니다.

    중요

    명령은 한 줄로 입력해야 합니다. 

    $ aws cloudformation create-stack --stack-name <name>
    1 
    
     --template-body file://<template>.yaml
    2 
    
     --parameters file://<parameters>.json
    3 
    
     --capabilities CAPABILITY_NAMED_IAM
    4
    Copy to Clipboard Toggle word wrap
    1
    <name>은 CloudFormation 스택의 이름입니다(예: cluster-sec). 클러스터를 제거하는 경우 이 스택의 이름이 필요합니다.
    2
    <template>은 저장한 CloudFormation 템플릿 YAML 파일의 상대 경로 및 이름입니다.
    3
    <parameters>는 CloudFormation 매개변수 JSON 파일의 상대 경로 및 이름입니다.
    4
    제공된 템플릿에서 일부 AWS::IAM::Role 및 AWS::IAM::InstanceProfile 리소스를 생성하므로 CAPABILITY_NAMED_IAM 기능을 명시적으로 선언해야 합니다.

    출력 예

    arn:aws:cloudformation:us-east-1:269333783861:stack/cluster-sec/03bd4210-2ed7-11eb-6d7a-13fc0b61e9db
    Copy to Clipboard Toggle word wrap

  4. 템플릿 구성 요소가 있는지 확인합니다. 

    $ aws cloudformation describe-stacks --stack-name <name>
    Copy to Clipboard Toggle word wrap

    StackStatus에 CREATE_COMPLETE이 표시된 후 다음 매개변수의 출력 값이 표시됩니다. 클러스터를 생성하기 위해 실행하는 다른 CloudFormation 템플릿에 이러한 매개변수 값을 제공해야 합니다.

    MasterSecurityGroupId

    마스터 보안 그룹 ID

    WorkerSecurityGroupId

    작업자 보안 그룹 ID

    MasterInstanceProfile

    마스터 IAM 인스턴스 프로필

    WorkerInstanceProfile

    작업자 IAM 인스턴스 프로필

4.11.10.1. 보안 개체의 CloudFormation 템플릿
링크 복사

다음 CloudFormation 템플릿을 사용하여 OpenShift Container Platform 클러스터에 필요한 보안 개체를 배포할 수 있습니다.

예 4.37. 보안 개체의 CloudFormation 템플릿

AWSTemplateFormatVersion: 2010-09-09
Description: Template for OpenShift Cluster Security Elements (Security Groups & IAM)

Parameters:
  InfrastructureName:
    AllowedPattern: ^([a-zA-Z][a-zA-Z0-9\-]{0,26})$
    MaxLength: 27
    MinLength: 1
    ConstraintDescription: Infrastructure name must be alphanumeric, start with a letter, and have a maximum of 27 characters.
    Description: A short, unique cluster ID used to tag cloud resources and identify items owned or used by the cluster.
    Type: String
  VpcCidr:
    AllowedPattern: ^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])(\/(1[6-9]|2[0-4]))$
    ConstraintDescription: CIDR block parameter must be in the form x.x.x.x/16-24.
    Default: 10.0.0.0/16
    Description: CIDR block for VPC.
    Type: String
  VpcId:
    Description: The VPC-scoped resources will belong to this VPC.
    Type: AWS::EC2::VPC::Id
  PrivateSubnets:
    Description: The internal subnets.
    Type: List<AWS::EC2::Subnet::Id>

Metadata:
  AWS::CloudFormation::Interface:
    ParameterGroups:
    - Label:
        default: "Cluster Information"
      Parameters:
      - InfrastructureName
    - Label:
        default: "Network Configuration"
      Parameters:
      - VpcId
      - VpcCidr
      - PrivateSubnets
    ParameterLabels:
      InfrastructureName:
        default: "Infrastructure Name"
      VpcId:
        default: "VPC ID"
      VpcCidr:
        default: "VPC CIDR"
      PrivateSubnets:
        default: "Private Subnets"

Resources:
  MasterSecurityGroup:
    Type: AWS::EC2::SecurityGroup
    Properties:
      GroupDescription: Cluster Master Security Group
      SecurityGroupIngress:
      - IpProtocol: icmp
        FromPort: 0
        ToPort: 0
        CidrIp: !Ref VpcCidr
      - IpProtocol: tcp
        FromPort: 22
        ToPort: 22
        CidrIp: !Ref VpcCidr
      - IpProtocol: tcp
        ToPort: 6443
        FromPort: 6443
        CidrIp: !Ref VpcCidr
      - IpProtocol: tcp
        FromPort: 22623
        ToPort: 22623
        CidrIp: !Ref VpcCidr
      VpcId: !Ref VpcId

  WorkerSecurityGroup:
    Type: AWS::EC2::SecurityGroup
    Properties:
      GroupDescription: Cluster Worker Security Group
      SecurityGroupIngress:
      - IpProtocol: icmp
        FromPort: 0
        ToPort: 0
        CidrIp: !Ref VpcCidr
      - IpProtocol: tcp
        FromPort: 22
        ToPort: 22
        CidrIp: !Ref VpcCidr
      VpcId: !Ref VpcId

  MasterIngressEtcd:
    Type: AWS::EC2::SecurityGroupIngress
    Properties:
      GroupId: !GetAtt MasterSecurityGroup.GroupId
      SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId
      Description: etcd
      FromPort: 2379
      ToPort: 2380
      IpProtocol: tcp

  MasterIngressVxlan:
    Type: AWS::EC2::SecurityGroupIngress
    Properties:
      GroupId: !GetAtt MasterSecurityGroup.GroupId
      SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId
      Description: Vxlan packets
      FromPort: 4789
      ToPort: 4789
      IpProtocol: udp

  MasterIngressWorkerVxlan:
    Type: AWS::EC2::SecurityGroupIngress
    Properties:
      GroupId: !GetAtt MasterSecurityGroup.GroupId
      SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId
      Description: Vxlan packets
      FromPort: 4789
      ToPort: 4789
      IpProtocol: udp

  MasterIngressGeneve:
    Type: AWS::EC2::SecurityGroupIngress
    Properties:
      GroupId: !GetAtt MasterSecurityGroup.GroupId
      SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId
      Description: Geneve packets
      FromPort: 6081
      ToPort: 6081
      IpProtocol: udp

  MasterIngressWorkerGeneve:
    Type: AWS::EC2::SecurityGroupIngress
    Properties:
      GroupId: !GetAtt MasterSecurityGroup.GroupId
      SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId
      Description: Geneve packets
      FromPort: 6081
      ToPort: 6081
      IpProtocol: udp

  MasterIngressIpsecIke:
    Type: AWS::EC2::SecurityGroupIngress
    Properties:
      GroupId: !GetAtt MasterSecurityGroup.GroupId
      SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId
      Description: IPsec IKE packets
      FromPort: 500
      ToPort: 500
      IpProtocol: udp

  MasterIngressIpsecNat:
    Type: AWS::EC2::SecurityGroupIngress
    Properties:
      GroupId: !GetAtt MasterSecurityGroup.GroupId
      SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId
      Description: IPsec NAT-T packets
      FromPort: 4500
      ToPort: 4500
      IpProtocol: udp

  MasterIngressIpsecEsp:
    Type: AWS::EC2::SecurityGroupIngress
    Properties:
      GroupId: !GetAtt MasterSecurityGroup.GroupId
      SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId
      Description: IPsec ESP packets
      IpProtocol: 50

  MasterIngressWorkerIpsecIke:
    Type: AWS::EC2::SecurityGroupIngress
    Properties:
      GroupId: !GetAtt MasterSecurityGroup.GroupId
      SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId
      Description: IPsec IKE packets
      FromPort: 500
      ToPort: 500
      IpProtocol: udp

  MasterIngressWorkerIpsecNat:
    Type: AWS::EC2::SecurityGroupIngress
    Properties:
      GroupId: !GetAtt MasterSecurityGroup.GroupId
      SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId
      Description: IPsec NAT-T packets
      FromPort: 4500
      ToPort: 4500
      IpProtocol: udp

  MasterIngressWorkerIpsecEsp:
    Type: AWS::EC2::SecurityGroupIngress
    Properties:
      GroupId: !GetAtt MasterSecurityGroup.GroupId
      SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId
      Description: IPsec ESP packets
      IpProtocol: 50

  MasterIngressInternal:
    Type: AWS::EC2::SecurityGroupIngress
    Properties:
      GroupId: !GetAtt MasterSecurityGroup.GroupId
      SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId
      Description: Internal cluster communication
      FromPort: 9000
      ToPort: 9999
      IpProtocol: tcp

  MasterIngressWorkerInternal:
    Type: AWS::EC2::SecurityGroupIngress
    Properties:
      GroupId: !GetAtt MasterSecurityGroup.GroupId
      SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId
      Description: Internal cluster communication
      FromPort: 9000
      ToPort: 9999
      IpProtocol: tcp

  MasterIngressInternalUDP:
    Type: AWS::EC2::SecurityGroupIngress
    Properties:
      GroupId: !GetAtt MasterSecurityGroup.GroupId
      SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId
      Description: Internal cluster communication
      FromPort: 9000
      ToPort: 9999
      IpProtocol: udp

  MasterIngressWorkerInternalUDP:
    Type: AWS::EC2::SecurityGroupIngress
    Properties:
      GroupId: !GetAtt MasterSecurityGroup.GroupId
      SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId
      Description: Internal cluster communication
      FromPort: 9000
      ToPort: 9999
      IpProtocol: udp

  MasterIngressKube:
    Type: AWS::EC2::SecurityGroupIngress
    Properties:
      GroupId: !GetAtt MasterSecurityGroup.GroupId
      SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId
      Description: Kubernetes kubelet, scheduler and controller manager
      FromPort: 10250
      ToPort: 10259
      IpProtocol: tcp

  MasterIngressWorkerKube:
    Type: AWS::EC2::SecurityGroupIngress
    Properties:
      GroupId: !GetAtt MasterSecurityGroup.GroupId
      SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId
      Description: Kubernetes kubelet, scheduler and controller manager
      FromPort: 10250
      ToPort: 10259
      IpProtocol: tcp

  MasterIngressIngressServices:
    Type: AWS::EC2::SecurityGroupIngress
    Properties:
      GroupId: !GetAtt MasterSecurityGroup.GroupId
      SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId
      Description: Kubernetes ingress services
      FromPort: 30000
      ToPort: 32767
      IpProtocol: tcp

  MasterIngressWorkerIngressServices:
    Type: AWS::EC2::SecurityGroupIngress
    Properties:
      GroupId: !GetAtt MasterSecurityGroup.GroupId
      SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId
      Description: Kubernetes ingress services
      FromPort: 30000
      ToPort: 32767
      IpProtocol: tcp

  MasterIngressIngressServicesUDP:
    Type: AWS::EC2::SecurityGroupIngress
    Properties:
      GroupId: !GetAtt MasterSecurityGroup.GroupId
      SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId
      Description: Kubernetes ingress services
      FromPort: 30000
      ToPort: 32767
      IpProtocol: udp

  MasterIngressWorkerIngressServicesUDP:
    Type: AWS::EC2::SecurityGroupIngress
    Properties:
      GroupId: !GetAtt MasterSecurityGroup.GroupId
      SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId
      Description: Kubernetes ingress services
      FromPort: 30000
      ToPort: 32767
      IpProtocol: udp

  WorkerIngressVxlan:
    Type: AWS::EC2::SecurityGroupIngress
    Properties:
      GroupId: !GetAtt WorkerSecurityGroup.GroupId
      SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId
      Description: Vxlan packets
      FromPort: 4789
      ToPort: 4789
      IpProtocol: udp

  WorkerIngressMasterVxlan:
    Type: AWS::EC2::SecurityGroupIngress
    Properties:
      GroupId: !GetAtt WorkerSecurityGroup.GroupId
      SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId
      Description: Vxlan packets
      FromPort: 4789
      ToPort: 4789
      IpProtocol: udp

  WorkerIngressGeneve:
    Type: AWS::EC2::SecurityGroupIngress
    Properties:
      GroupId: !GetAtt WorkerSecurityGroup.GroupId
      SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId
      Description: Geneve packets
      FromPort: 6081
      ToPort: 6081
      IpProtocol: udp

  WorkerIngressMasterGeneve:
    Type: AWS::EC2::SecurityGroupIngress
    Properties:
      GroupId: !GetAtt WorkerSecurityGroup.GroupId
      SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId
      Description: Geneve packets
      FromPort: 6081
      ToPort: 6081
      IpProtocol: udp

  WorkerIngressIpsecIke:
    Type: AWS::EC2::SecurityGroupIngress
    Properties:
      GroupId: !GetAtt WorkerSecurityGroup.GroupId
      SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId
      Description: IPsec IKE packets
      FromPort: 500
      ToPort: 500
      IpProtocol: udp

  WorkerIngressIpsecNat:
    Type: AWS::EC2::SecurityGroupIngress
    Properties:
      GroupId: !GetAtt WorkerSecurityGroup.GroupId
      SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId
      Description: IPsec NAT-T packets
      FromPort: 4500
      ToPort: 4500
      IpProtocol: udp

  WorkerIngressIpsecEsp:
    Type: AWS::EC2::SecurityGroupIngress
    Properties:
      GroupId: !GetAtt WorkerSecurityGroup.GroupId
      SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId
      Description: IPsec ESP packets
      IpProtocol: 50

  WorkerIngressMasterIpsecIke:
    Type: AWS::EC2::SecurityGroupIngress
    Properties:
      GroupId: !GetAtt WorkerSecurityGroup.GroupId
      SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId
      Description: IPsec IKE packets
      FromPort: 500
      ToPort: 500
      IpProtocol: udp

  WorkerIngressMasterIpsecNat:
    Type: AWS::EC2::SecurityGroupIngress
    Properties:
      GroupId: !GetAtt WorkerSecurityGroup.GroupId
      SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId
      Description: IPsec NAT-T packets
      FromPort: 4500
      ToPort: 4500
      IpProtocol: udp

  WorkerIngressMasterIpsecEsp:
    Type: AWS::EC2::SecurityGroupIngress
    Properties:
      GroupId: !GetAtt WorkerSecurityGroup.GroupId
      SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId
      Description: IPsec ESP packets
      IpProtocol: 50

  WorkerIngressInternal:
    Type: AWS::EC2::SecurityGroupIngress
    Properties:
      GroupId: !GetAtt WorkerSecurityGroup.GroupId
      SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId
      Description: Internal cluster communication
      FromPort: 9000
      ToPort: 9999
      IpProtocol: tcp

  WorkerIngressMasterInternal:
    Type: AWS::EC2::SecurityGroupIngress
    Properties:
      GroupId: !GetAtt WorkerSecurityGroup.GroupId
      SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId
      Description: Internal cluster communication
      FromPort: 9000
      ToPort: 9999
      IpProtocol: tcp

  WorkerIngressInternalUDP:
    Type: AWS::EC2::SecurityGroupIngress
    Properties:
      GroupId: !GetAtt WorkerSecurityGroup.GroupId
      SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId
      Description: Internal cluster communication
      FromPort: 9000
      ToPort: 9999
      IpProtocol: udp

  WorkerIngressMasterInternalUDP:
    Type: AWS::EC2::SecurityGroupIngress
    Properties:
      GroupId: !GetAtt WorkerSecurityGroup.GroupId
      SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId
      Description: Internal cluster communication
      FromPort: 9000
      ToPort: 9999
      IpProtocol: udp

  WorkerIngressKube:
    Type: AWS::EC2::SecurityGroupIngress
    Properties:
      GroupId: !GetAtt WorkerSecurityGroup.GroupId
      SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId
      Description: Kubernetes secure kubelet port
      FromPort: 10250
      ToPort: 10250
      IpProtocol: tcp

  WorkerIngressWorkerKube:
    Type: AWS::EC2::SecurityGroupIngress
    Properties:
      GroupId: !GetAtt WorkerSecurityGroup.GroupId
      SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId
      Description: Internal Kubernetes communication
      FromPort: 10250
      ToPort: 10250
      IpProtocol: tcp

  WorkerIngressIngressServices:
    Type: AWS::EC2::SecurityGroupIngress
    Properties:
      GroupId: !GetAtt WorkerSecurityGroup.GroupId
      SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId
      Description: Kubernetes ingress services
      FromPort: 30000
      ToPort: 32767
      IpProtocol: tcp

  WorkerIngressMasterIngressServices:
    Type: AWS::EC2::SecurityGroupIngress
    Properties:
      GroupId: !GetAtt WorkerSecurityGroup.GroupId
      SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId
      Description: Kubernetes ingress services
      FromPort: 30000
      ToPort: 32767
      IpProtocol: tcp

  WorkerIngressIngressServicesUDP:
    Type: AWS::EC2::SecurityGroupIngress
    Properties:
      GroupId: !GetAtt WorkerSecurityGroup.GroupId
      SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId
      Description: Kubernetes ingress services
      FromPort: 30000
      ToPort: 32767
      IpProtocol: udp

  WorkerIngressMasterIngressServicesUDP:
    Type: AWS::EC2::SecurityGroupIngress
    Properties:
      GroupId: !GetAtt WorkerSecurityGroup.GroupId
      SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId
      Description: Kubernetes ingress services
      FromPort: 30000
      ToPort: 32767
      IpProtocol: udp

  MasterIamRole:
    Type: AWS::IAM::Role
    Properties:
      AssumeRolePolicyDocument:
        Version: "2012-10-17"
        Statement:
        - Effect: "Allow"
          Principal:
            Service:
            - "ec2.amazonaws.com"
          Action:
          - "sts:AssumeRole"
      Policies:
      - PolicyName: !Join ["-", [!Ref InfrastructureName, "master", "policy"]]
        PolicyDocument:
          Version: "2012-10-17"
          Statement:
          - Effect: "Allow"
            Action:
            - "ec2:AttachVolume"
            - "ec2:AuthorizeSecurityGroupIngress"
            - "ec2:CreateSecurityGroup"
            - "ec2:CreateTags"
            - "ec2:CreateVolume"
            - "ec2:DeleteSecurityGroup"
            - "ec2:DeleteVolume"
            - "ec2:Describe*"
            - "ec2:DetachVolume"
            - "ec2:ModifyInstanceAttribute"
            - "ec2:ModifyVolume"
            - "ec2:RevokeSecurityGroupIngress"
            - "elasticloadbalancing:AddTags"
            - "elasticloadbalancing:AttachLoadBalancerToSubnets"
            - "elasticloadbalancing:ApplySecurityGroupsToLoadBalancer"
            - "elasticloadbalancing:CreateListener"
            - "elasticloadbalancing:CreateLoadBalancer"
            - "elasticloadbalancing:CreateLoadBalancerPolicy"
            - "elasticloadbalancing:CreateLoadBalancerListeners"
            - "elasticloadbalancing:CreateTargetGroup"
            - "elasticloadbalancing:ConfigureHealthCheck"
            - "elasticloadbalancing:DeleteListener"
            - "elasticloadbalancing:DeleteLoadBalancer"
            - "elasticloadbalancing:DeleteLoadBalancerListeners"
            - "elasticloadbalancing:DeleteTargetGroup"
            - "elasticloadbalancing:DeregisterInstancesFromLoadBalancer"
            - "elasticloadbalancing:DeregisterTargets"
            - "elasticloadbalancing:Describe*"
            - "elasticloadbalancing:DetachLoadBalancerFromSubnets"
            - "elasticloadbalancing:ModifyListener"
            - "elasticloadbalancing:ModifyLoadBalancerAttributes"
            - "elasticloadbalancing:ModifyTargetGroup"
            - "elasticloadbalancing:ModifyTargetGroupAttributes"
            - "elasticloadbalancing:RegisterInstancesWithLoadBalancer"
            - "elasticloadbalancing:RegisterTargets"
            - "elasticloadbalancing:SetLoadBalancerPoliciesForBackendServer"
            - "elasticloadbalancing:SetLoadBalancerPoliciesOfListener"
            - "kms:DescribeKey"
            Resource: "*"

  MasterInstanceProfile:
    Type: "AWS::IAM::InstanceProfile"
    Properties:
      Roles:
      - Ref: "MasterIamRole"

  WorkerIamRole:
    Type: AWS::IAM::Role
    Properties:
      AssumeRolePolicyDocument:
        Version: "2012-10-17"
        Statement:
        - Effect: "Allow"
          Principal:
            Service:
            - "ec2.amazonaws.com"
          Action:
          - "sts:AssumeRole"
      Policies:
      - PolicyName: !Join ["-", [!Ref InfrastructureName, "worker", "policy"]]
        PolicyDocument:
          Version: "2012-10-17"
          Statement:
          - Effect: "Allow"
            Action:
            - "ec2:DescribeInstances"
            - "ec2:DescribeRegions"
            Resource: "*"

  WorkerInstanceProfile:
    Type: "AWS::IAM::InstanceProfile"
    Properties:
      Roles:
      - Ref: "WorkerIamRole"

Outputs:
  MasterSecurityGroupId:
    Description: Master Security Group ID
    Value: !GetAtt MasterSecurityGroup.GroupId

  WorkerSecurityGroupId:
    Description: Worker Security Group ID
    Value: !GetAtt WorkerSecurityGroup.GroupId

  MasterInstanceProfile:
    Description: Master IAM Instance Profile
    Value: !Ref MasterInstanceProfile

  WorkerInstanceProfile:
    Description: Worker IAM Instance Profile
    Value: !Ref WorkerInstanceProfile
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