aws_eip.md

Example: AWS Elastic IP

IMPORTANT: This example only works with Terrascript releases up to 0.4.1.

This example is based on the Elastic IP example distributed with the Terraform source code.

from terrascript import variable, provider, dump, function
from terrascript.aws.r import aws_eip, aws_security_group, aws_instance

# From variables.tf
aws_region = variable('aws_region', default='us-east-1', description='The AWS region to create things in.')
aws_amis = variable('aws_amis', default={'us-east-1': 'ami-5f709f34', 'us-west-2': 'ami-7f675e4f'})
key_name = variable('key_name', description='Name of the SSH keypair to use in AWS.')

# From main.tf
provider('aws', region=aws_region)

sg = aws_security_group('default', name='eip_example', description='Used in the terraform',
                        ingress=[{'from_port': 22, 'to_port': 22, 
                                  'protocol': 'tcp', 'cidr_blocks': ['0.0.0.0/0']},
                                 {'from_port': 80, 'to_port': 80, 
                                  'protocol': 'tcp', 'cidr_blocks': ['0.0.0.0/0']}
                        ],
                        egress=[{'from_port': 0, 'to_port': 0, 
                                  'protocol': '-1', 'cidr_blocks': ['0.0.0.0/0']}
                        ])

web = aws_instance('web', instance_type='t2.micro', ami=function.lookup(aws_amis, aws_region),
                   key_name=key_name, security_groups=[sg], user_data=function.file('userdata.sh'),
                   tags={'Name': 'eip-example'})

eip = aws_eip('default', instance=web.id, vpc=True)

# From output.tf
output('address', value=web.private_ip)
output('elatsic ip', value=eip.public_ip)

print(dump())

{
  "output": {
    "address": {
      "value": "${aws_instance.web.private_ip}"
    },
    "elatsic ip": {
      "value": "${aws_eip.default.public_ip}"
    }
  },
  "provider": {
    "aws": {
      "region": "${var.aws_region}"
    }
  },
  "resource": {
    "aws_eip": {
      "default": {
        "instance": "${aws_instance.web.id}",
        "vpc": true
      }
    },
    "aws_instance": {
      "web": {
        "ami": "${lookup(var.aws_amis,var.aws_region)}",
        "instance_type": "t2.micro",
        "key_name": "${var.key_name}",
        "security_groups": [
          "aws_security_group.default"
        ],
        "tags": {
          "Name": "eip-example"
        },
        "user_data": "${file(\"userdata.sh\")}"
      }
    },
    "aws_security_group": {
      "default": {
        "description": "Used in the terraform",
        "egress": [
          {
            "cidr_blocks": [
              "0.0.0.0/0"
            ],
            "from_port": 0,
            "protocol": "-1",
            "to_port": 0
          }
        ],
        "ingress": [
          {
            "cidr_blocks": [
              "0.0.0.0/0"
            ],
            "from_port": 22,
            "protocol": "tcp",
            "to_port": 22
          },
          {
            "cidr_blocks": [
              "0.0.0.0/0"
            ],
            "from_port": 80,
            "protocol": "tcp",
            "to_port": 80
          }
        ],
        "name": "eip_example"
      }
    }
  },
  "variable": {
    "aws_amis": {
      "default": {
        "us-east-1": "ami-5f709f34",
        "us-west-2": "ami-7f675e4f"
      }
    },
    "aws_region": {
      "default": "us-east-1",
      "description": "The AWS region to create things in."
    },
    "key_name": {
      "description": "Name of the SSH keypair to use in AWS."
    }
  }
}