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sc-ec2-linux-ra.json
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{
"AWSTemplateFormatVersion": "2010-09-09",
"Description": "Service Catalog: EC2 Reference Architecture(fdp-1oc5f3ula).",
"Metadata": {
"AWS::CloudFormation::Interface": {
"ParameterGroups": [
{
"Label": {
"default": "General Configuration"
},
"Parameters": [
"VPC",
"KeyPair",
"RemoteAccessCIDR"
]
},
{
"Label": {
"default": "Linux Instance Configuration"
},
"Parameters": [
"LinuxInstanceType",
"LinuxSubnet",
"LinuxSSHPort",
"LatestAmiId"
]
}
],
"ParameterLabels": {
"VPC": {
"default": "VPC"
},
"KeyPair": {
"default": "Key Pair"
},
"RemoteAccessCIDR": {
"default": "Remote Access CIDR Block"
},
"LinuxInstanceType": {
"default": "Linux Instance Type"
},
"LinuxSubnet": {
"default": "Linux Subnet"
},
"LinuxSSHPort": {
"default": "Linux SSH Port"
},
"LatestAmiId": {
"default": "SSM key to the latest Amazon linux AMI"
}
}
}
},
"Parameters": {
"VPC": {
"Type": "AWS::EC2::VPC::Id",
"Description": "Select the VPC where the EC2 instances will be created",
"ConstraintDescription": "must be an existing VPC"
},
"LinuxSubnet": {
"Type": "AWS::EC2::Subnet::Id",
"Description": "Select subnet for Linux Instance",
"ConstraintDescription": "must be an existing subnet"
},
"RemoteAccessCIDR": {
"Description": "CIDR block to allow access to linux instances",
"Type": "String",
"AllowedPattern": "(\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})/(\\d{1,2})",
"ConstraintDescription": "must be a valid IP CIDR range of the form x.x.x.x/x."
},
"LinuxInstanceType": {
"AllowedValues": [
"t3.nano",
"t3.micro",
"t3.small",
"t3.medium",
"t3.large",
"t2.nano",
"t2.micro",
"t2.small",
"t2.medium",
"t2.large"
],
"Default": "t3.micro",
"Description": "Amazon EC2 Linux Instance Type",
"Type": "String"
},
"LinuxSSHPort": {
"Description": "Linux SSH Port Number",
"Type": "Number",
"Default": 22,
"ConstraintDescription": "must be 22 or a number from 1024 to 65535"
},
"KeyPair": {
"Description": "Name of existing EC2 key pair for Linux Instances",
"Type": "AWS::EC2::KeyPair::KeyName"
},
"LatestAmiId": {
"Type": "AWS::SSM::Parameter::Value<AWS::EC2::Image::Id>",
"Default": "/aws/service/ami-amazon-linux-latest/amzn2-ami-hvm-x86_64-gp2"
}
},
"Resources": {
"InstancePatchingRole": {
"Type": "AWS::IAM::Role",
"Properties": {
"Path": "/",
"ManagedPolicyArns": [
"arn:aws:iam::aws:policy/service-role/AmazonEC2RoleforSSM",
"arn:aws:iam::aws:policy/AmazonSSMFullAccess"
],
"AssumeRolePolicyDocument": {
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Principal": {
"Service": [
"ec2.amazonaws.com"
]
},
"Action": [
"sts:AssumeRole"
]
}
]
}
}
},
"PatchingInstanceProfile": {
"Type": "AWS::IAM::InstanceProfile",
"Properties": {
"Path": "/",
"Roles": [
{
"Ref": "InstancePatchingRole"
}
]
}
},
"LinuxSecurityGroup": {
"Type": "AWS::EC2::SecurityGroup",
"Properties": {
"GroupDescription": "Enables SSH Access to Linux EC2 Instance",
"VpcId": {
"Ref": "VPC"
},
"SecurityGroupIngress": [
{
"IpProtocol": "tcp",
"FromPort": {
"Ref": "LinuxSSHPort"
},
"ToPort": {
"Ref": "LinuxSSHPort"
},
"CidrIp": {
"Ref": "RemoteAccessCIDR"
}
},
{
"IpProtocol": "icmp",
"FromPort": "-1",
"ToPort": "-1",
"CidrIp": {
"Ref": "RemoteAccessCIDR"
}
}
],
"SecurityGroupEgress":[
{
"IpProtocol" : "-1",
"CidrIp" : "0.0.0.0/0"
}
]
}
},
"LinuxInstance": {
"Type": "AWS::EC2::Instance",
"Properties": {
"ImageId": { "Ref" : "LatestAmiId"},
"InstanceType": {
"Ref": "LinuxInstanceType"
},
"SubnetId": {
"Ref": "LinuxSubnet"
},
"SecurityGroupIds": [
{
"Ref": "LinuxSecurityGroup"
}
],
"KeyName": {
"Ref": "KeyPair"
},
"IamInstanceProfile": {
"Ref": "PatchingInstanceProfile"
},
"Tags": [
{
"Key": "Name",
"Value": {"Fn::Sub":"SC-RA-Linux-${LinuxSubnet}"}
},
{
"Key": "Description",
"Value": "Service-Catalog-EC2-Reference-Architecture"
}
]
}
},
"LinuxPatchBaseline": {
"Type": "AWS::SSM::PatchBaseline",
"Properties": {
"OperatingSystem": "AMAZON_LINUX",
"ApprovalRules": {
"PatchRules": [
{
"ApproveAfterDays": 0,
"ComplianceLevel": "CRITICAL",
"EnableNonSecurity": true,
"PatchFilterGroup": {
"PatchFilters": [
{
"Key": "PRODUCT",
"Values": [
"AmazonLinux2017.09"
]
},
{
"Key": "CLASSIFICATION",
"Values": [
"Security",
"Bugfix",
"Enhancement",
"Recommended"
]
},
{
"Key": "SEVERITY",
"Values": [
"Critical",
"Important",
"Medium",
"Low"
]
}
]
}
}
]
},
"Description": "Service Catalog EC2 Reference Architecture Patch Baseline for Amazon Linux instace",
"Name": "sc-ec2-ra-linux-patch-baseline"
}
},
"MaintenanceWindowRole": {
"Type": "AWS::IAM::Role",
"Properties": {
"Path": "/",
"ManagedPolicyArns": [
"arn:aws:iam::aws:policy/service-role/AmazonSSMMaintenanceWindowRole"
],
"AssumeRolePolicyDocument": {
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Principal": {
"Service": [
"ec2.amazonaws.com",
"ssm.amazonaws.com"
]
},
"Action": [
"sts:AssumeRole"
]
}
]
}
}
},
"MaintenanceWindow": {
"Type": "AWS::SSM::MaintenanceWindow",
"Properties": {
"Description": "Maintenance window to allow for patching Amazon Linux instances",
"AllowUnassociatedTargets": false,
"Cutoff": 2,
"Schedule": "cron(* 17 * * ? *)",
"Duration": 6,
"Name": "sc-ec2-ra-linux-maintenance-window"
}
},
"LinuxMainteanceWindowTarget": {
"Type": "AWS::SSM::MaintenanceWindowTarget",
"Properties": {
"OwnerInformation": "Service Catalog EC2 Reference Architecture",
"Description": "Service Catalog EC2 Reference Architecture - Patch Maintenance for Amazon Linux Instances",
"WindowId": {
"Ref": "MaintenanceWindow"
},
"ResourceType": "INSTANCE",
"Targets": [
{
"Key": "InstanceIds",
"Values": [
{
"Ref": "LinuxInstance"
}
]
}
],
"Name": "sc-ec2-ra-linux-patch-targets"
}
},
"LinuxMaintenanceWindowTaskScan": {
"Type": "AWS::SSM::MaintenanceWindowTask",
"Properties": {
"MaxErrors": 1,
"Description": "Service Catalog EC2 Reference Architecture Maintenance Window Task: Scan for update for Amazon Linux Instance",
"ServiceRoleArn": {
"Fn::GetAtt": [
"MaintenanceWindowRole",
"Arn"
]
},
"Priority": 1,
"MaxConcurrency": 1,
"Targets": [
{
"Key": "InstanceIds",
"Values": [
{
"Ref": "LinuxInstance"
}
]
}
],
"Name": "patch-sc-ec2-ra-linux-instances",
"TaskArn": "AWS-RunPatchBaseline",
"WindowId": {
"Ref": "MaintenanceWindow"
},
"TaskParameters": {
"Operation": {
"Values": [
"Scan"
]
}
},
"TaskType": "RUN_COMMAND"
}
},
"LinuxMaintenanceWindowTaskInstall": {
"Type": "AWS::SSM::MaintenanceWindowTask",
"Properties": {
"MaxErrors": 1,
"Description": "Service Catalog EC2 Reference Architecture Maintenance Window Task: Install update for Amazon Linux Instance",
"ServiceRoleArn": {
"Fn::GetAtt": [
"MaintenanceWindowRole",
"Arn"
]
},
"Priority": 2,
"MaxConcurrency": 1,
"Targets": [
{
"Key": "InstanceIds",
"Values": [
{
"Ref": "LinuxInstance"
}
]
}
],
"Name": "patch-sc-ec2-ra-linux-instances",
"TaskArn": "AWS-RunPatchBaseline",
"WindowId": {
"Ref": "MaintenanceWindow"
},
"TaskParameters": {
"Operation": {
"Values": [
"Install"
]
}
},
"TaskType": "RUN_COMMAND"
}
}
},
"Outputs": {
"TemplateID": {
"Value": "service-catalog-reference-architectures/sc-ec2-ra"
},
"AWSRegionName": {
"Value": {
"Ref": "AWS::Region"
}
},
"LinuxInstanceId": {
"Value": {
"Ref": "LinuxInstance"
}
},
"LinuxInstancePrivateIpAddress": {
"Value": {
"Fn::GetAtt": [
"LinuxInstance",
"PrivateIp"
]
}
},
"LinuxInstanceAvailabilityZone": {
"Value": {
"Fn::GetAtt": [
"LinuxInstance",
"AvailabilityZone"
]
}
},
"KeyPair": {
"Value": {
"Ref": "KeyPair"
}
},
"LinuxSSHPort": {
"Value": {
"Ref": "LinuxSSHPort"
}
},
"LinuxSubet": {
"Value": {
"Ref": "LinuxSubnet"
}
},
"LinuxInstanceType": {
"Value": {
"Ref": "LinuxInstanceType"
}
},
"RemoteAccessCIDR": {
"Value": {
"Ref": "RemoteAccessCIDR"
}
},
"VPC": {
"Value": {
"Ref": "VPC"
}
},
"IAMInstancePatchingRole": {
"Value": {
"Ref": "InstancePatchingRole"
}
},
"IAMPatchingInstanceProfile": {
"Value": {
"Ref": "PatchingInstanceProfile"
}
},
"SSMMaintenaceWindowRole": {
"Value": {
"Ref": "MaintenanceWindowRole"
}
},
"SSMLinuxPatchBaseline": {
"Value": {
"Ref": "LinuxPatchBaseline"
}
}
}
}