| public static FindImage ( IAmazonEC2 ec2Client, ImageDescriptor descriptor ) : Image | ||
| ec2Client | IAmazonEC2 | The EC2 client used to search for the image. |
| descriptor | ImageDescriptor | The descriptor used to identify the image. |
| return | Image | |
/// <summary>
/// This method will look up the current VPC NAT ami in the region and create an instance in the subnet specified.
/// </summary>
/// <param name="ec2Client">The ec2client used to create the NAT instance</param>
/// <param name="request">The properties used to launch the NAT instance.</param>
/// <returns></returns>
public static RunningInstance LaunchNATInstance(AmazonEC2 ec2Client, LaunchNATInstanceRequest request)
{
if (ec2Client == null)
{
throw new ArgumentNullException("ec2Client");
}
if (request == null)
{
throw new ArgumentNullException("request");
}
if (string.IsNullOrEmpty(request.SubnetId))
{
throw new ArgumentNullException("request.SubnetId");
}
if (string.IsNullOrEmpty(request.InstanceType))
{
throw new ArgumentNullException("request.InstanceType");
}
List <Filter> filters = new List <Filter>()
{
new Filter()
{
Name = "architecture", Value = new List <string>()
{
"x86_64"
}
},
new Filter()
{
Name = "name", Value = new List <string>()
{
"ami-vpc-nat-*.x86_64-ebs"
}
}
};
DescribeImagesResponse imageResponse = ec2Client.DescribeImages(new DescribeImagesRequest()
{
Filter = filters
});
var image = ImageUtilities.FindImage(ec2Client, ImageUtilities.VPC_NAT);
if (image == null)
{
throw new AmazonEC2Exception("No NAT image found in this region");
}
RunInstancesRequest runRequest = new RunInstancesRequest()
{
InstanceType = request.InstanceType,
KeyName = request.KeyName,
ImageId = image.ImageId,
MinCount = 1,
MaxCount = 1,
SubnetId = request.SubnetId
};
RunInstancesResponse runResponse = ec2Client.RunInstances(runRequest);
string instanceId = runResponse.RunInstancesResult.Reservation.RunningInstance[0].InstanceId;
// Can't associated elastic IP address until the instance is available
WaitForInstanceToStartUp(ec2Client, instanceId);
ModifyInstanceAttributeRequest modifyRequest = new ModifyInstanceAttributeRequest()
{
InstanceId = instanceId,
Attribute = "sourceDestCheck",
Value = "false"
};
ec2Client.ModifyInstanceAttribute(modifyRequest);
ec2Client.CreateTags(new CreateTagsRequest()
{
ResourceId = new List <string>()
{
instanceId
},
Tag = new List <Tag>()
{
new Tag()
{
Key = "Name", Value = "NAT"
}
}
});
var allocationId = ec2Client.AllocateAddress(new AllocateAddressRequest()
{
Domain = "vpc"
}).AllocateAddressResult.AllocationId;
ec2Client.AssociateAddress(new AssociateAddressRequest()
{
InstanceId = instanceId, AllocationId = allocationId
});
var instance = ec2Client.DescribeInstances(new DescribeInstancesRequest()
{
InstanceId = new List <string>()
{
instanceId
}
}).DescribeInstancesResult.Reservation[0].RunningInstance[0];
return(instance);
}
