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kong-cloudformation.json
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{
"AWSTemplateFormatVersion": "2010-09-09",
"Description": "Launches the Kong Runtime instances in your AWS Account",
"Metadata": {
"AWS::CloudFormation::Interface": {
"ParameterGroups": [
{
"Label": { "default": "Kong Configuration" },
"Parameters": [ "Version", "ClusterControlPlane", "ClusterTelemetryEndpoint", "ClusterCertificate", "ClusterCertificateKey" ]
},
{
"Label": { "default":"Infrastructure Configuration" },
"Parameters": [ "InstanceType", "CreateRedisCluster", "EnableLogCollection" ]
},
{
"Label": { "default":"Network Configuration" },
"Parameters": [ "VpcId", "SubnetIds" ]
}
]
}
},
"Parameters": {
"Version": {
"Type": "String",
"Default": "3.5.0.0",
"Description": "The Version of Kong Gateway to use",
"ConstraintDescription": "Must be a valid Kong Gateway version"
},
"ClusterControlPlane": {
"Type": "String",
"Description": "The Cluster Control Plane from the Kong Cloud console",
"ConstraintDescription": "Must be a valid Cluster Control Plane endpoint"
},
"ClusterTelemetryEndpoint": {
"Type": "String",
"Description": "The Cluster Telemetry Endpoint from the Kong Cloud console",
"ConstraintDescription": "Must be a valid Cluster Telemetry endpoint"
},
"ClusterCertificate": {
"Type": "String",
"Description": "The Cluster Certificate (BASE64 Encoded)",
"ConstraintDescription": "Must be a valid Cluster Certificate"
},
"ClusterCertificateKey": {
"Type": "String",
"Description": "The Cluster Certificate key (BASE64 Encoded)",
"ConstraintDescription": "Must be a valid Cluster Certificate Key"
},
"InstanceType": {
"Type": "String",
"Default": "t3a.small",
"Description": "Instance type for the Kong Runtime Instances",
"ConstraintDescription": "Must be a valid x86_64 EC2 instance type"
},
"CreateRedisCluster": {
"Type": "String",
"Default": "No",
"AllowedValues": [ "Yes", "No" ],
"Description": "Select \"Yes\" to create an Elasticache Cluster, \"No\" to skip (default).",
"ConstraintDescription": "Select Yes to create an Elasticache Cluster"
},
"EnableLogCollection": {
"Type": "String",
"Default": "No",
"AllowedValues": [ "Yes", "No" ],
"Description": "Select \"Yes\" to setup Cloud Watch Logs, \"No\" to skip (default).",
"ConstraintDescription": "Select Yes to setup Cloud Watch Logs"
},
"VpcId": {
"Type": "String",
"Default": "",
"Description": "[Optional] Existing VPC ID; Enter if you don't want to create a new VPC"
},
"SubnetIds": {
"Type": "CommaDelimitedList",
"Default": "",
"Description": "[Optional] Comma separated list of Subnet IDs; Enter if you don't want to create a new Subnet"
}
},
"Mappings": {},
"Conditions": {
"ShouldCreateRedisCluster": {"Fn::Equals": [{"Ref": "CreateRedisCluster"}, "Yes"]},
"ShouldEnableLogCollection": {"Fn::Equals": [{"Ref": "EnableLogCollection"}, "Yes"]},
"ShouldCreateVPC": {"Fn::Equals": [{"Ref": "VpcId"}, ""]}
},
"Resources": {
"KeyPair": {
"Type": "AWS::EC2::KeyPair",
"Properties": {
"KeyName": {
"Fn::Join": [
"-",
[
"konnect",
{
"Fn::Select": [
4,
{
"Fn::Split": [
"-",
{
"Fn::Select": [
2,
{
"Fn::Split": [
"/",
{
"Ref": "AWS::StackId"
}
]
}
]
}
]
}
]
}
]
]
}
}
},
"Secret": {
"Type": "AWS::SecretsManager::Secret",
"Properties": {
"SecretString": {
"Fn::Sub": [
"{\"cluster_certificate\":\"${cluster_certificate}\", \"cluster_certificate_key\":\"${cluster_certificate_key}\"}",
{
"cluster_certificate": {"Ref": "ClusterCertificate"},
"cluster_certificate_key": {"Ref": "ClusterCertificateKey"}
}
]
}
}
},
"InstanceRole": {
"Type": "AWS::IAM::Role",
"Properties": {
"AssumeRolePolicyDocument": {
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Action": ["sts:AssumeRole"],
"Principal": {
"Service": ["ec2.amazonaws.com"]
}
}
]
},
"Policies": [
{
"PolicyName": "SecretsManagerAccess",
"PolicyDocument": {
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Action": "secretsmanager:GetSecretValue",
"Resource": {"Ref": "Secret"}
}
]
}
}
],
"ManagedPolicyArns": {
"Fn::If": [
"ShouldEnableLogCollection",
["arn:aws:iam::aws:policy/CloudWatchAgentServerPolicy"],
{"Ref": "AWS::NoValue"}
]
}
}
},
"InstanceProfile": {
"Type": "AWS::IAM::InstanceProfile",
"Properties": {
"Roles": [
{"Ref": "InstanceRole"}
]
}
},
"InstanceSecurityGroup": {
"Type": "AWS::EC2::SecurityGroup",
"Properties": {
"GroupDescription": "Security Group attached to all the Kong Compute Instances",
"SecurityGroupIngress": [
{ "IpProtocol": "tcp", "FromPort": "8000", "ToPort": "8000", "CidrIp": "0.0.0.0/0" },
{ "IpProtocol": "tcp", "FromPort": "8443", "ToPort": "8443", "CidrIp": "0.0.0.0/0" },
{ "IpProtocol": "tcp", "FromPort": "22", "ToPort": "22", "CidrIp": "0.0.0.0/0" }
],
"VpcId": {
"Fn::If": [
"ShouldCreateVPC",
{"Ref": "Vpc"},
{"Ref": "VpcId"}
]
}
}
},
"LaunchTemplate": {
"Type": "AWS::EC2::LaunchTemplate",
"Properties": {
"LaunchTemplateData": {
"ImageId": "{{resolve:ssm:/aws/service/ami-amazon-linux-latest/al2023-ami-kernel-default-x86_64}}",
"InstanceType": {"Ref": "InstanceType"},
"KeyName": {"Ref": "KeyPair"},
"SecurityGroupIds": [{"Fn::GetAtt": ["InstanceSecurityGroup", "GroupId"]}],
"UserData": {
"Fn::Base64": {
"Fn::Join": ["\n", [
"#!/bin/bash -xe",
"",
{ "Fn::Sub": "export RPM_VERSION=${Version}.aws.x86_64.rpm" },
{ "Fn::Sub": "export CLUSTER_CONTROL_PLANE=${ClusterControlPlane}" },
"export CLUSTER_SERVER_NAME=$(echo $CLUSTER_CONTROL_PLANE | cut -d: -f1)",
{ "Fn::Sub": "export CLUSTER_TELEMETRY_ENDPOINT=${ClusterTelemetryEndpoint}" },
"export CLUSTER_TELEMETRY_SERVER_NAME=$(echo $CLUSTER_TELEMETRY_ENDPOINT | cut -d: -f1)",
{ "Fn::Sub": "export SECRET=$(aws secretsmanager get-secret-value --secret-id ${Secret} --region ${AWS::Region} --query SecretString --output text)" },
"",
"export KONG_CONFIG_PATH=/etc/kong/kong.conf",
"export CLUSTER_CERT_PATH=/etc/kong/cluster_cert.crt",
"export CLUSTER_CERT_KEY_PATH=/etc/kong/cluster_cert_key.key",
"",
"curl -Lo kong-enterprise-edition-$RPM_VERSION $(rpm --eval https://packages.konghq.com/public/gateway-${RPM_VERSION:0:1}${RPM_VERSION:2:1}/rpm/amzn/%{amzn}/x86_64/kong-enterprise-edition-$RPM_VERSION)",
"yum install -y kong-enterprise-edition-$RPM_VERSION",
"yum install -y jq",
"",
"echo $SECRET | jq -r .cluster_certificate | base64 -d > $CLUSTER_CERT_PATH",
"echo $SECRET | jq -r .cluster_certificate_key | base64 -d > $CLUSTER_CERT_KEY_PATH",
"",
"cat > $KONG_CONFIG_PATH <<EOF",
"role = data_plane",
"database = off",
"cluster_mtls = pki",
"cluster_control_plane = $CLUSTER_CONTROL_PLANE",
"cluster_server_name = $CLUSTER_SERVER_NAME",
"cluster_telemetry_endpoint = $CLUSTER_TELEMETRY_ENDPOINT",
"cluster_telemetry_server_name = $CLUSTER_TELEMETRY_SERVER_NAME",
"cluster_cert = $CLUSTER_CERT_PATH",
"cluster_cert_key = $CLUSTER_CERT_KEY_PATH",
"lua_ssl_trusted_certificate = system",
"EOF",
"",
"if [ ${RPM_VERSION:0:1} -eq 3 ] ",
"then",
"cat >> $KONG_CONFIG_PATH <<EOF",
"konnect_mode = on",
"vitals = off",
"EOF",
"fi",
"",
"mkdir -p /etc/systemd/system/kong-enterprise-edition.service.d",
"cat > /etc/systemd/system/kong-enterprise-edition.service.d/user.conf <<EOF",
"[Service]",
"User=root",
"EOF",
"",
"systemctl daemon-reload",
"systemctl enable --now kong-enterprise-edition",
"",
{"Fn::If": ["ShouldEnableLogCollection", "", "exit 0"]},
"yum install -y amazon-cloudwatch-agent",
"",
"cat > /opt/aws/amazon-cloudwatch-agent/bin/config.json <<EOF",
"{",
" \"agent\": {",
" \"run_as_user\": \"root\"",
" },",
" \"logs\": {",
" \"logs_collected\": {",
" \"files\": {",
" \"collect_list\": [",
" {",
" \"file_path\": \"/usr/local/kong/logs/access.log\",",
" \"log_group_name\": \"kong/access.log\",",
" \"log_stream_name\": \"{instance_id}\",",
" \"retention_in_days\": -1",
" },",
" {",
" \"file_path\": \"/usr/local/kong/logs/error.log\",",
" \"log_group_name\": \"kong/error.log\",",
" \"log_stream_name\": \"{instance_id}\",",
" \"retention_in_days\": -1",
" },",
" {",
" \"file_path\": \"/usr/local/kong/logs/admin_access.log\",",
" \"log_group_name\": \"kong/admin_access.log\",",
" \"log_stream_name\": \"{instance_id}\",",
" \"retention_in_days\": -1",
" }",
" ]",
" }",
" }",
" }",
"}",
"EOF",
"",
"/opt/aws/amazon-cloudwatch-agent/bin/amazon-cloudwatch-agent-ctl -a fetch-config -m ec2 -s -c file:/opt/aws/amazon-cloudwatch-agent/bin/config.json",
"/opt/aws/amazon-cloudwatch-agent/bin/amazon-cloudwatch-agent-ctl -a status",
""
]]
}
},
"IamInstanceProfile": {
"Name": {"Ref": "InstanceProfile"}
}
}
}
},
"HttpTargetGroup": {
"Type": "AWS::ElasticLoadBalancingV2::TargetGroup",
"Properties": {
"HealthCheckProtocol": "TCP",
"Port": "8000",
"Protocol": "TCP",
"VpcId": {
"Fn::If": [
"ShouldCreateVPC",
{"Ref": "Vpc"},
{"Ref": "VpcId"}
]
}
}
},
"HttpsTargetGroup": {
"Type": "AWS::ElasticLoadBalancingV2::TargetGroup",
"Properties": {
"HealthCheckProtocol": "TCP",
"Port": "8443",
"Protocol": "TCP",
"VpcId": {
"Fn::If": [
"ShouldCreateVPC",
{"Ref": "Vpc"},
{"Ref": "VpcId"}
]
}
}
},
"AutoScalingGroup": {
"Type": "AWS::AutoScaling::AutoScalingGroup",
"Properties": {
"MinSize": "1",
"MaxSize": "16",
"DesiredCapacity": "1",
"HealthCheckGracePeriod": "300",
"HealthCheckType": "ELB",
"LaunchTemplate": {
"LaunchTemplateId": {"Ref": "LaunchTemplate"},
"Version": {"Fn::GetAtt": ["LaunchTemplate", "LatestVersionNumber"]}
},
"TargetGroupARNs": [
{"Ref": "HttpTargetGroup"},
{"Ref": "HttpsTargetGroup"}
],
"VPCZoneIdentifier": {
"Fn::If": [
"ShouldCreateVPC",
[
{"Ref": "Subnet1"},
{"Ref": "Subnet2"}
],
{"Ref": "SubnetIds"}
]
}
}
},
"ScaleOutPolicy": {
"Type": "AWS::AutoScaling::ScalingPolicy",
"Properties": {
"AdjustmentType": "ChangeInCapacity",
"AutoScalingGroupName": {"Ref": "AutoScalingGroup"},
"PolicyType": "SimpleScaling",
"ScalingAdjustment": 1
}
},
"ScaleInPolicy": {
"Type": "AWS::AutoScaling::ScalingPolicy",
"Properties": {
"AdjustmentType": "ChangeInCapacity",
"AutoScalingGroupName": {"Ref": "AutoScalingGroup"},
"PolicyType": "SimpleScaling",
"ScalingAdjustment": -1
}
},
"ScaleOutAlarm": {
"Type": "AWS::CloudWatch::Alarm",
"Properties": {
"EvaluationPeriods": "2",
"Statistic": "Average",
"Threshold": "75",
"AlarmDescription": "Scale out if CPU > 75% for 10 minutes",
"Period": "300",
"AlarmActions": [{"Ref": "ScaleOutPolicy"}],
"Namespace": "AWS/EC2",
"Dimensions": [{
"Name": "AutoScalingGroupName",
"Value": {"Ref": "AutoScalingGroup"}
}],
"ComparisonOperator": "GreaterThanThreshold",
"MetricName": "CPUUtilization"
}
},
"ScaleInAlarm": {
"Type": "AWS::CloudWatch::Alarm",
"Properties": {
"EvaluationPeriods": "2",
"Statistic": "Average",
"Threshold": "25",
"AlarmDescription": "Scale in if CPU < 25% for 10 minutes",
"Period": "300",
"AlarmActions": [{"Ref": "ScaleInPolicy"}],
"Namespace": "AWS/EC2",
"Dimensions": [{
"Name": "AutoScalingGroupName",
"Value": {"Ref": "AutoScalingGroup"}
}],
"ComparisonOperator": "LessThanThreshold",
"MetricName": "CPUUtilization"
}
},
"NetworkLoadBalancer": {
"Type": "AWS::ElasticLoadBalancingV2::LoadBalancer",
"Properties": {
"Type": "network",
"Subnets": {
"Fn::If": [
"ShouldCreateVPC",
[
{"Ref": "Subnet1"},
{"Ref": "Subnet2"}
],
{"Ref": "SubnetIds"}
]
},
"LoadBalancerAttributes": [
{
"Key": "load_balancing.cross_zone.enabled",
"Value": "true"
}
]
},
"DependsOn":"RouteTable"
},
"HttpListener": {
"Type": "AWS::ElasticLoadBalancingV2::Listener",
"Properties": {
"DefaultActions": [
{
"TargetGroupArn": {"Ref": "HttpTargetGroup"},
"Type": "forward"
}
],
"LoadBalancerArn": {"Ref": "NetworkLoadBalancer"},
"Port": "80",
"Protocol": "TCP"
}
},
"HttpsListener": {
"Type": "AWS::ElasticLoadBalancingV2::Listener",
"Properties": {
"DefaultActions": [
{
"TargetGroupArn": {"Ref": "HttpsTargetGroup"},
"Type": "forward"
}
],
"LoadBalancerArn": {"Ref": "NetworkLoadBalancer"},
"Port": "443",
"Protocol": "TCP"
}
},
"Vpc": {
"Type": "AWS::EC2::VPC",
"Condition": "ShouldCreateVPC",
"Properties": {
"CidrBlock": "10.0.0.0/16",
"EnableDnsHostnames": "true",
"EnableDnsSupport": "true"
}
},
"InternetGateway": {
"Type": "AWS::EC2::InternetGateway",
"Condition": "ShouldCreateVPC"
},
"VpcInternetGatewayAttachment": {
"Type": "AWS::EC2::VPCGatewayAttachment",
"Condition": "ShouldCreateVPC",
"Properties": {
"VpcId": {"Ref": "Vpc"},
"InternetGatewayId": {"Ref": "InternetGateway"}
}
},
"RouteTable": {
"Type": "AWS::EC2::RouteTable",
"Condition": "ShouldCreateVPC",
"Properties": {
"VpcId": {"Ref": "Vpc"}
}
},
"Route": {
"Type": "AWS::EC2::Route",
"Condition": "ShouldCreateVPC",
"Properties": {
"RouteTableId": {"Ref": "RouteTable"},
"DestinationCidrBlock": "0.0.0.0/0",
"GatewayId": {"Fn::GetAtt": ["InternetGateway", "InternetGatewayId"]}
}
},
"Subnet1": {
"Type": "AWS::EC2::Subnet",
"Condition": "ShouldCreateVPC",
"Properties": {
"AvailabilityZone": {
"Fn::Select": ["0", {"Fn::GetAZs": {"Ref": "AWS::Region"}}]
},
"CidrBlock": "10.0.0.0/20",
"MapPublicIpOnLaunch": "true",
"VpcId": {"Ref": "Vpc"}
}
},
"Subnet2": {
"Type": "AWS::EC2::Subnet",
"Condition": "ShouldCreateVPC",
"Properties": {
"AvailabilityZone": {
"Fn::Select": ["1", {"Fn::GetAZs": {"Ref": "AWS::Region"}}]
},
"CidrBlock": "10.0.16.0/20",
"MapPublicIpOnLaunch": "true",
"VpcId": {"Ref": "Vpc"}
}
},
"Subnet1RouteTableAssociation": {
"Type": "AWS::EC2::SubnetRouteTableAssociation",
"Condition": "ShouldCreateVPC",
"Properties": {
"SubnetId": {"Ref": "Subnet1"},
"RouteTableId": {"Ref": "RouteTable"}
}
},
"Subnet2RouteTableAssociation": {
"Type": "AWS::EC2::SubnetRouteTableAssociation",
"Condition": "ShouldCreateVPC",
"Properties": {
"SubnetId": {"Ref": "Subnet2"},
"RouteTableId": {"Ref": "RouteTable"}
}
},
"ElastiCacheSecurityGroupRule": {
"Type": "AWS::EC2::SecurityGroupIngress",
"Condition": "ShouldCreateRedisCluster",
"Properties": {
"GroupId": {"Fn::GetAtt": ["InstanceSecurityGroup", "GroupId"]},
"IpProtocol": "tcp",
"FromPort": "6379",
"ToPort": "6379",
"SourceSecurityGroupId": {"Fn::GetAtt": ["InstanceSecurityGroup", "GroupId"]}
}
},
"ElastiCacheSubnetGroup": {
"Type": "AWS::ElastiCache::SubnetGroup",
"Condition": "ShouldCreateRedisCluster",
"Properties": {
"Description": "KongHQ Elasticache Redis Subnet Group",
"SubnetIds": {
"Fn::If": [
"ShouldCreateVPC",
[
{"Ref": "Subnet1"},
{"Ref": "Subnet2"}
],
{"Ref": "SubnetIds"}
]
}
}
},
"ElasticacheRedis": {
"Type": "AWS::ElastiCache::CacheCluster",
"Condition": "ShouldCreateRedisCluster",
"Properties": {
"CacheNodeType": "cache.t3.micro",
"CacheSubnetGroupName": {"Ref": "ElastiCacheSubnetGroup"},
"Engine": "redis",
"NumCacheNodes": "1",
"VpcSecurityGroupIds": [{"Fn::GetAtt": ["InstanceSecurityGroup", "GroupId"]}]
}
}
},
"Outputs": {
"NetworkLoadBalancerDNS": {
"Description": "The DNS of the Network Load Balancer",
"Value": {"Fn::GetAtt": ["NetworkLoadBalancer", "DNSName"]}
},
"ElasticacheRedisDNS": {
"Condition": "ShouldCreateRedisCluster",
"Description": "The DNS of the Elasticache Redis Cluster",
"Value": {"Fn::GetAtt": ["ElasticacheRedis", "RedisEndpoint.Address"]}
}
}
}