package googlecompute // Driver is the interface that has to be implemented to communicate // with GCE. The Driver interface exists mostly to allow a mock implementation // to be used to test the steps. type Driver interface { // ImageExists returns true if the specified image exists. If an error // occurs calling the API, this method returns false. ImageExists(name string) bool // CreateImage creates an image from the given disk in Google Compute // Engine. CreateImage(name, description, family, zone, disk string) (<-chan Image, <-chan error) // DeleteImage deletes the image with the given name. DeleteImage(name string) <-chan error // DeleteInstance deletes the given instance, keeping the boot disk. DeleteInstance(zone, name string) (<-chan error, error) // DeleteDisk deletes the disk with the given name. DeleteDisk(zone, name string) (<-chan error, error) // GetInternalIP gets the GCE-internal IP address for the instance. GetInternalIP(zone, name string) (string, error) // GetNatIP gets the NAT IP address for the instance. GetNatIP(zone, name string) (string, error) // GetSerialPortOutput gets the Serial Port contents for the instance. GetSerialPortOutput(zone, name string) (string, error) // RunInstance takes the given config and launches an instance. RunInstance(*InstanceConfig) (<-chan error, error) // WaitForInstance waits for an instance to reach the given state. WaitForInstance(state, zone, name string) <-chan error } type Image struct { Name string ProjectId string SizeGb int64 } type InstanceConfig struct { Address string Description string DiskSizeGb int64 DiskType string Image Image MachineType string Metadata map[string]string Name string Network string Preemptible bool Region string ServiceAccountEmail string Subnetwork string Tags []string Zone string }