# Functions
BlockDeviceName returns the name of the provided EBS device.
BlockDevices returns the EBS devices attached to the local host.
GetDeviceRange returns a specified DeviceRange object.
InstanceID returns the instance ID for the local host.
IsEC2Instance returns a flag indicating whether the executing host is an EC2 instance based on whether or not the metadata URL can be accessed.
# Structs
DeviceRange holds slices for device namespace iteration and patterns for matching device nodes to specific namespaces.