cloud

type AllResourceCollection struct {
	Owner     string
	Instances []Instance
	Images    []Image
	Volumes   []Volume
	Snapshots []Snapshot
	Buckets   []Bucket
}

type Bucket interface {
	Resource
	LastModified() time.Time
	ObjectCount() int64
	TotalSizeGB() float64
	StorageTypeSizesGB() map[string]float64
}

type CSP string

type Image interface {
	Resource
	Name() string
	SizeGB() int64

	MakePrivate() error
}

type Instance interface {
	Resource
	InstanceType() string
}

type Resource interface {
	CSP() CSP
	Owner() string
	ID() string
	Tags() map[string]string
	Location() string
	Public() bool
	CreationTime() time.Time

	SetTag(key, value string, overwrite bool) error
	RemoveTag(key string) error
	Cleanup() error
}

type ResourceCollection struct {
	Owner     string
	Instances []Instance
	Images    []Image
	Volumes   []Volume
	Snapshots []Snapshot
}

type ResourceManager interface {
	// Owners return a list of all owners the manager handle
	Owners() []string
	// BucketsPerAccount returns a mapping from account/project to
	// its associated buckets
	BucketsPerAccount() map[string][]Bucket
	// InstancesPerAccount returns a mapping from account/project
	// to its associated instances
	InstancesPerAccount() map[string][]Instance
	// ImagesPerAccount returns a mapping from account/project
	// to its associated images
	ImagesPerAccount() map[string][]Image
	// VolumesPerAccount returns a mapping from account/project
	// to its associated volumes
	VolumesPerAccount() map[string][]Volume
	// SnapshotsPerAccount returns a mapping from account/project
	// to its associated snaphots
	SnapshotsPerAccount() map[string][]Snapshot
	// AllResourcesPerAccount will return a mapping from account/project
	// to all of the resources associated with that account/project
	AllResourcesPerAccount() map[string]*ResourceCollection
	// CleanupInstances termiantes a list of instances, which is faster
	// than calling Cleanup() on every individual instance
	CleanupInstances([]Instance) error
	// CleanupImages de-registers a list of images
	CleanupImages([]Image) error
	// CleanupVolumes deletes a list of volumes
	CleanupVolumes([]Volume) error
	// CleanupSnapshots delete a list of snapshots
	CleanupSnapshots([]Snapshot) error
	// CleanupBuckets deletes the specified buckets
	CleanupBuckets([]Bucket) error
}

type Snapshot interface {
	Resource
	Encrypted() bool
	InUse() bool
	SizeGB() int64
}

type Volume interface {
	Resource
	SizeGB() int64
	Attached() bool
	Encrypted() bool
	VolumeType() string
}