This function is responsible for reading credentials from the environment in the case that they're not explicitly specified in the Terraform configuration.

Returns the hosted zone ID for an S3 website endpoint region.

IGAttachStateRefreshFunc returns a resource.StateRefreshFunc that is used watch the state of an internet gateway's attachment.

IGStateRefreshFunc returns a resource.StateRefreshFunc that is used to watch an internet gateway.

InstanceStateRefreshFunc returns a resource.StateRefreshFunc that is used to watch an EC2 instance.

NGStateRefreshFunc returns a resource.StateRefreshFunc that is used to watch a NAT Gateway.

Provider returns a terraform.ResourceProvider.

SGStateRefreshFunc returns a resource.StateRefreshFunc that is used to watch a security group.

SpotInstanceStateRefreshFunc returns a resource.StateRefreshFunc that is used to watch an EC2 spot instance request.

SubnetStateRefreshFunc returns a resource.StateRefreshFunc that is used to watch a Subnet.

VPCStateRefreshFunc returns a resource.StateRefreshFunc that is used to watch a VPC.

Mutable attributes.

CloudWatchEventPermissionPolicyDoc represents the Policy attribute of DescribeEventBus See also: https://docs.aws.amazon.com/AmazonCloudWatchEvents/latest/APIReference/API_DescribeEventBus.html.

CloudWatchEventPermissionPolicyStatement represents the Statement attribute of CloudWatchEventPermissionPolicyDoc See also: https://docs.aws.amazon.com/AmazonCloudWatchEvents/latest/APIReference/API_DescribeEventBus.html.

Like ec2.GroupIdentifier but with additional rule description.

ByGroupPair implements sort.Interface for []*ec2.UserIDGroupPairs based on GroupID or GroupName field (only one should be set).

Custom error, so we don't have to rely on the content of an error message.

Define Sort interface for []*string so we can ensure the order of geo_restrictions.locations.