/// <summary>
/// This function associates an elastic IP to an EC2-Classic instance.
/// </summary>
/// <param name="InstanceId">The ID of the instance to be associated to the elastic IP</param>
/// <param name="PublicId">The public ip ("Elastic IP" column in the AWS console)</param>
public void AssociateElasticIpToClassicInstance(string InstanceId, string PublicId)
{
// Initializing request
AssociateAddressRequest associateRequest = new AssociateAddressRequest();
associateRequest.InstanceId = InstanceId;
associateRequest.PublicIp = PublicId;
// Associating address & fetching response
EC2client.AssociateAddress(associateRequest);
}
private Amazon.EC2.Model.AssociateAddressResponse CallAWSServiceOperation(IAmazonEC2 client, Amazon.EC2.Model.AssociateAddressRequest request)
{
Utils.Common.WriteVerboseEndpointMessage(this, client.Config, "Amazon Elastic Compute Cloud (EC2)", "AssociateAddress");
try
{
#if DESKTOP
return(client.AssociateAddress(request));
#elif CORECLR
return(client.AssociateAddressAsync(request).GetAwaiter().GetResult());
#else
#error "Unknown build edition"
#endif
}
catch (AmazonServiceException exc)
{
var webException = exc.InnerException as System.Net.WebException;
if (webException != null)
{
throw new Exception(Utils.Common.FormatNameResolutionFailureMessage(client.Config, webException.Message), webException);
}
throw;
}
}
/// <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 Instance LaunchNATInstance(IAmazonEC2 ec2Client, LaunchNATInstanceRequest request)
{
if (ec2Client == null)
{
throw new ArgumentNullException("ec2Client");
}
if (request == null)
{
throw new ArgumentNullException("request");
}
if (string.IsNullOrEmpty(request.SubnetId))
{
throw new InvalidOperationException("request.SubnetId is null");
}
if (string.IsNullOrEmpty(request.InstanceType))
{
throw new InvalidOperationException("request.InstanceType is null");
}
List <Filter> filters = new List <Filter>()
{
new Filter()
{
Name = "architecture", Values = new List <string>()
{
"x86_64"
}
},
new Filter()
{
Name = "name", Values = new List <string>()
{
"ami-vpc-nat-*.x86_64-ebs"
}
}
};
DescribeImagesResponse imageResponse = ec2Client.DescribeImages(new DescribeImagesRequest()
{
Filters = filters
});
var image = FindNATImage(ec2Client);
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.Reservation.Instances[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()
{
Resources = new List <string>()
{
instanceId
},
Tags = new List <Tag>()
{
new Tag()
{
Key = "Name", Value = "NAT"
}
}
});
var allocationId = ec2Client.AllocateAddress(new AllocateAddressRequest()
{
Domain = "vpc"
}).AllocationId;
ec2Client.AssociateAddress(new AssociateAddressRequest()
{
InstanceId = instanceId, AllocationId = allocationId
});
var instance = ec2Client.DescribeInstances(new DescribeInstancesRequest()
{
InstanceIds = new List <string>()
{
instanceId
}
}).Reservations[0].Instances[0];
return(instance);
}
/// <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 Instance LaunchNATInstance(IAmazonEC2 ec2Client, LaunchNATInstanceRequest request)
{
if (ec2Client == null)
throw new ArgumentNullException("ec2Client");
if (request == null)
throw new ArgumentNullException("request");
if (string.IsNullOrEmpty(request.SubnetId))
throw new InvalidOperationException("request.SubnetId is null");
if (string.IsNullOrEmpty(request.InstanceType))
throw new InvalidOperationException("request.InstanceType is null");
List<Filter> filters = new List<Filter>()
{
new Filter(){Name = "architecture", Values = new List<string>(){"x86_64"}},
new Filter(){Name = "name", Values = new List<string>(){"ami-vpc-nat-*.x86_64-ebs"}}
};
DescribeImagesResponse imageResponse = ec2Client.DescribeImages(new DescribeImagesRequest() { Filters = filters });
var image = FindNATImage(ec2Client);
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.Reservation.Instances[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()
{
Resources = new List<string>() { instanceId },
Tags = new List<Tag>() { new Tag() { Key = "Name", Value = "NAT" } }
});
var allocationId = ec2Client.AllocateAddress(new AllocateAddressRequest() { Domain = "vpc" }).AllocationId;
ec2Client.AssociateAddress(new AssociateAddressRequest() { InstanceId = instanceId, AllocationId = allocationId });
var instance = ec2Client.DescribeInstances(new DescribeInstancesRequest() { InstanceIds = new List<string>() { instanceId } }).Reservations[0].Instances[0];
return instance;
}
