Aws.config[:elasticloadbalancing] = { stub_responses: { describe_load_balancers: { load_balancer_descriptions: [ { load_balancer_name: 'my-elb', subnets: [ 'subnet-1234a567' ], instances: [ { instance_id: 'i-ec12345a' } ], health_check: { target: 'HTTP:80/index.php', interval: 60, timeout: 5, unhealthy_threshold: 10, healthy_threshold: 2 }, security_groups: [ 'sg-5a2b3cd4' ], policies: {}, source_security_group: {}, listener_descriptions: [ { listener: { protocol: 'HTTPS', load_balancer_port: 443, instance_protocol: 'HTTP', instance_port: 80 } } ], vpc_id: 'vpc-ab123cde' } ] }, describe_tags: { tag_descriptions: [ { load_balancer_name: 'my-elb', tags: [ { key: 'Name', value: 'my-elb' }, { key: 'my-tag-key', value: 'my-tag-value' } ] } ] } } } Aws.config[:ec2] = { stub_responses: { describe_instances: { reservations: [ { instances: [ { instance_id: 'i-ec12345a', image_id: 'ami-abc12def', vpc_id: 'vpc-ab123cde', subnet_id: 'subnet-1234a567', public_ip_address: '123.0.456.789', private_ip_address: '10.0.1.1', instance_type: 't2.small', state: { name: 'running' }, security_groups: [ { group_id: 'sg-1a2b3cd4', group_name: 'my-security-group-name' } ], block_device_mappings: [ { device_name: '/dev/sda', ebs: { volume_id: 'vol-123a123b' } } ], tags: [ { key: 'Name', value: 'my-ec2' } ] } ] } ] }, describe_security_groups: { security_groups: [ { group_id: 'sg-5a2b3cd4', group_name: 'my-lb-security-group-name', tags: [ { key: 'Name', value: 'my-lb-security-group-tag-name' } ] } ] }, describe_vpcs: { vpcs: [ { vpc_id: 'vpc-ab123cde', tags: [ { key: 'Name', value: 'my-vpc' } ] } ] }, describe_subnets: { subnets: [ { state: 'available', vpc_id: 'vpc-ab123cde', subnet_id: 'subnet-1234a567', cidr_block: '10.0.1.0/24', tags: [ { key: 'Name', value: 'my-subnet' } ] } ] } } }