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AWS CloudFormation
User Guide (API Version 2010-05-15)

Elastic Load Balancing Template Snippets

Elastic Load Balancing Load Balancer Resource

This example shows an Elastic Load Balancing load balancer with a single listener, and no instances.

JSON

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"MyLoadBalancer" : { "Type" : "AWS::ElasticLoadBalancing::LoadBalancer", "Properties" : { "AvailabilityZones" : [ "us-east-1a" ], "Listeners" : [ { "LoadBalancerPort" : "80", "InstancePort" : "80", "Protocol" : "HTTP" } ] } }

YAML

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MyLoadBalancer: Type: AWS::ElasticLoadBalancing::LoadBalancer Properties: AvailabilityZones: - "us-east-1a" Listeners: - LoadBalancerPort: '80' InstancePort: '80' Protocol: HTTP

Elastic Load Balancing Load Balancer Resource with Health Check

This example shows an Elastic Load Balancing load balancer with two Amazon EC2 instances, a single listener and a health check.

JSON

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"MyLoadBalancer" : { "Type" : "AWS::ElasticLoadBalancing::LoadBalancer", "Properties" : { "AvailabilityZones" : [ "us-east-1a" ], "Instances" : [ { "Ref" : "logical name of AWS::EC2::Instance resource 1" }, { "Ref" : "logical name of AWS::EC2::Instance resource 2" } ], "Listeners" : [ { "LoadBalancerPort" : "80", "InstancePort" : "80", "Protocol" : "HTTP" } ], "HealthCheck" : { "Target" : "HTTP:80/", "HealthyThreshold" : "3", "UnhealthyThreshold" : "5", "Interval" : "30", "Timeout" : "5" } } }

YAML

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MyLoadBalancer: Type: AWS::ElasticLoadBalancing::LoadBalancer Properties: AvailabilityZones: - "us-east-1a" Instances: - Ref: logical name of AWS::EC2::Instance resource 1 - Ref: logical name of AWS::EC2::Instance resource 2 Listeners: - LoadBalancerPort: '80' InstancePort: '80' Protocol: HTTP HealthCheck: Target: HTTP:80/ HealthyThreshold: '3' UnhealthyThreshold: '5' Interval: '30' Timeout: '5'