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03_cluster_security.yaml
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03_cluster_security.yaml
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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
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
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
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
WorkerIngressInternal:
Type: AWS::EC2::SecurityGroupIngress
Properties:
GroupId: !GetAtt WorkerSecurityGroup.GroupId
SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId
Description: Internal cluster communication
FromPort: 9000
ToPort: 9999
IpProtocol: tcp
WorkerIngressWorkerInternal:
Type: AWS::EC2::SecurityGroupIngress
Properties:
GroupId: !GetAtt WorkerSecurityGroup.GroupId
SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId
Description: Internal cluster communication
FromPort: 9000
ToPort: 9999
IpProtocol: tcp
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
WorkerIngressWorkerIngressServices:
Type: AWS::EC2::SecurityGroupIngress
Properties:
GroupId: !GetAtt WorkerSecurityGroup.GroupId
SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId
Description: Kubernetes ingress services
FromPort: 30000
ToPort: 32767
IpProtocol: tcp
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:*"
Resource: "*"
- Effect: "Allow"
Action: "elasticloadbalancing:*"
Resource: "*"
- Effect: "Allow"
Action: "iam:PassRole"
Resource: "*"
- Effect: "Allow"
Action: "s3:GetObject"
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:Describe*"
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