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Subject EC2: launch instances into a VPC
Date Mon, 20 Aug 2012 23:28:07 GMT

As recently discussed, these patches make it possible to launch instances
into a subnet in a VPC in EC2.

Subnets appear as new realms with the name AZ:SN where AZ is the
availability zone (e.g., us-east-1a) to which the subnet is attached, and
SN is the subnet ID.

When such a realm is supplied to the create instances call, the SubnetID is
sent to EC2, placing the instane in that subnet.

Note that you can not provide a security group when launching into a VPC,
which makes the current HTML UI a little awkward, in that you have to
uncheck the 'default' security group in the UI under 'Additional

The VPC functionality requires some additional mappings from the AWS gem,
which I have sent upstream[1] - until they are in a released AWS gem, I am
including a monkey patch that puts them into the AWS::Ec2 class.



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