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cfn.yaml
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cfn.yaml
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---
Description: Corelight Sensor
Parameters:
DeploymentName:
Description: The name of the corelight deployment
Type: String
Default: Corelight Sensor
AutoScalingAvailabilityZones:
Type: CommaDelimitedList
Description: Comma delimited list of availability zones
ImageId:
Description: Corelight Sensor AMI Id
Type: AWS::EC2::Image::Id
InstanceType:
Description: Enter instance size.
Type: String
Default: c5.2xlarge
VpcCIDR:
Description: IP range (CIDR notation) for this VPC
Type: String
Default: 172.21.0.0/16
VpcId:
Description: Id of the VPC
Type: String
MonitoringSubnetId:
Description: Id of the monitoring subnet
Type: String
MonitoringSubnetCIDR:
Description: IP range (CIDR notation) for the monitoring subnet
Type: String
ManagementSubnetId:
Description: Id of the management subnet
Type: String
ManagementSubnetCIDR:
Description: IP range (CIDR notation) for the management subnet
Type: String
KeyPairName:
Description: The SSH public key used to access the instance
Type: String
# VPCEndpointServiceAllowedPrincipals:
# Type: CommaDelimitedList
# Description: Comma delimited list of principals to automatically accept connection requests from
Resources:
MonitorSecGroup:
Type: AWS::EC2::SecurityGroup
Properties:
GroupDescription: !Sub Monitor sec group for deployment ${DeploymentName}
VpcId: !Ref VpcId
SecurityGroupIngress:
# GENEVE
- CidrIp: !Ref VpcCIDR
IpProtocol: udp
FromPort: 6081
ToPort: 6081
- CidrIp: !Ref VpcCIDR
IpProtocol: tcp
FromPort: 443
ToPort: 443
Tags:
- Key: corelight:sgType
Value: sg-monitoring
ManagementSecGroup:
Type: AWS::EC2::SecurityGroup
Properties:
GroupDescription: !Sub Management sec group for deployment ${DeploymentName}
VpcId: !Ref VpcId
SecurityGroupIngress:
- CidrIp: !Ref ManagementSubnetCIDR
IpProtocol: tcp
FromPort: 22
ToPort: 22
Tags:
- Key: corelight:sgType
Value: sg-management
MonitoringInterface:
Type: AWS::EC2::NetworkInterface
Properties:
SubnetId: !Ref MonitoringSubnetId
GroupSet:
- !Ref MonitorSecGroup
ManagementInterface:
Type: AWS::EC2::NetworkInterface
Properties:
SubnetId: !Ref ManagementSubnetId
GroupSet:
- !Ref ManagementSecGroup
SensorLaunchTemplate:
Type: AWS::EC2::LaunchTemplate
Properties:
LaunchTemplateName: SensorLaunchTemplate
# LaunchTemplateName: !Sub ${DeploymentName}-SensorLaunchTemplate
LaunchTemplateData:
EbsOptimized: false
NetworkInterfaces:
- DeviceIndex: 0
NetworkInterfaceId: !Ref MonitoringInterface
- DeviceIndex: 1
NetworkInterfaceId: !Ref ManagementInterface
ImageId: !Ref ImageId
InstanceType: !Ref InstanceType
KeyName: !Ref KeyPairName
TagSpecifications:
- ResourceType: instance
Tags:
- Key: corelight:deploymentName
Value: !Ref DeploymentName
UserData:
"Fn::Base64": |
# cloud-config
write_files:
- path: /etc/corelight/corelightctl.yaml
content: |
sensor:
api:
password: 'test123'
license_key: 'badLicense'
GwLBTG:
Type: AWS::ElasticLoadBalancingV2::TargetGroup
Properties:
Name: !Sub ${DeploymentName}-GwLBTG
Protocol: GENEVE
Port: 6081
VpcId: !Ref VpcId
HealthCheckProtocol: HTTPS
HealthCheckPath: /api/system/healthcheck/
HealthCheckPort: '443'
HealthCheckEnabled: true
HealthCheckIntervalSeconds: 30
HealthyThresholdCount: 3
UnhealthyThresholdCount: 3
TargetType: instance
GwLB:
Type: AWS::ElasticLoadBalancingV2::LoadBalancer
Properties:
Name: !Sub ${DeploymentName}-GwLB
Type: gateway
Subnets: [!Ref MonitoringSubnetId]
GwLBL:
Type: AWS::ElasticLoadBalancingV2::Listener
Properties:
LoadBalancerArn: !Ref GwLB
Port: 6081
Protocol: UDP
DefaultActions:
- Type: forward
TargetGroupArn: !Ref GwLBTG
# VPCEndpointService:
# Type: AWS::EC2::VPCEndpointService
# Properties:
# AcceptanceRequired: False
# GatewayLoadBalancerArns:
# - !Ref GwLB
# VPCEndpointServicePermissions:
# Type: AWS::EC2::VPCEndpointServicePermissions
# Properties:
# AllowedPrincipals: !Ref VPCEndpointServiceAllowedPrincipals
# ServiceId: !Ref VPCEndpointService
SensorAutoScalingGroup:
Type: AWS::AutoScaling::AutoScalingGroup
Properties:
AutoScalingGroupName: SensorAutoScalingGroup
LaunchTemplate:
LaunchTemplateName: SensorLaunchTemplate
Version: !GetAtt SensorLaunchTemplate.LatestVersionNumber
MinSize: "1"
MaxSize: "5"
DesiredCapacity: "1"
AvailabilityZones: !Ref AutoScalingAvailabilityZones
LoadBalancerNames: []
TargetGroupARNs: [!Ref GwLBTG]
HealthCheckType: EC2
HealthCheckGracePeriod: 300
Tags:
- ResourceId: SensorAutoScalingGroup
ResourceType: auto-scaling-group
Key: Name
Value: SensorAutoScalingGroup
PropagateAtLaunch: true
TerminationPolicies:
- OldestInstance
NewInstancesProtectedFromScaleIn: false
# ASGScalingPolicyCPU:
# Type: AWS::AutoScaling::ScalingPolicy
# Properties:
# AutoScalingGroupName: SensorAutoScalingGroup
# PolicyType: StepScaling
# AdjustmentType: ChangeInCapacity
# StepAdjustments:
# - MetricIntervalLowerBound: 0
# ScalingAdjustment: 1
# CPUAlarmHigh:
# Type: AWS::CloudWatch::Alarm
# Properties:
# Statistic: Average
# Threshold: '70'
# AlarmDescription: 'Scale out if CPU > 70% for 2 minutes'
# EvaluationPeriods: '2'
# Period: '60'
# AlarmActions:
# - !Ref ASGScalingPolicyCPU
# Namespace: AWS/EC2
# Dimensions:
# - Name: AutoScalingGroupName
# Value: SensorAutoScalingGroup
# ComparisonOperator: GreaterThanThreshold
# MetricName: CPUUtilization