gcsutil

func CRC32C ¶

func CRC32C(contents []byte) *uint32

Return a value appropriate for placing in CreateObjectRequest.CRC32C for the given object contents.

func CreateEmptyObjects ¶

func CreateEmptyObjects(
	ctx context.Context,
	bucket gcs.Bucket,
	names []string) (err error)

Create empty objects with default attributes for all of the supplied names.

func CreateObject ¶

func CreateObject(
	ctx context.Context,
	bucket gcs.Bucket,
	name string,
	contents []byte) (*gcs.Object, error)

Create an object with the supplied contents in the given bucket with the given name.

func CreateObjects ¶

func CreateObjects(
	ctx context.Context,
	bucket gcs.Bucket,
	input map[string][]byte) (err error)

Create multiple objects with some parallelism, with contents according to the supplied map from name to contents.

func DeleteAllObjects ¶

func DeleteAllObjects(
	ctx context.Context,
	bucket gcs.Bucket) error

Delete all objects from the supplied bucket. Results are undefined if the bucket is being concurrently updated.

func ListAll ¶

func ListAll(
	ctx context.Context,
	bucket gcs.Bucket,
	req *gcs.ListObjectsRequest) (
	objects []*gcs.Object,
	runs []string,
	err error)

Repeatedly call bucket.ListObjects until there is nothing further to list, returning all objects and collapsed runs encountered.

May modify *req.

func ListPrefix ¶

func ListPrefix(
	ctx context.Context,
	bucket gcs.Bucket,
	prefix string,
	objects chan<- *gcs.Object) (err error)

List objects in the supplied bucket whose name starts with the given prefix. Write them into the supplied channel in an undefined order.

func MD5 ¶

func MD5(contents []byte) *[md5.Size]byte

Return a value appropriate for placing in CreateObjectRequest.MD5 for the given object contents.

func ReadObject ¶

func ReadObject(
	ctx context.Context,
	bucket gcs.Bucket,
	name string) (contents []byte, err error)

Read the contents of the latest generation of the object with the supplied name.