storage

package
v1.33.0 Latest Latest
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 Go to latest Published: Sep 7, 2023 License: Apache-2.0 Imports: 18 Imported by: 0

Documentation

Overview

Package storage is an auto-generated package for the Cloud Storage API.

Lets you store and retrieve potentially-large, immutable data objects.

General documentation

For information that is relevant for all client libraries please reference https://pkg.go.dev/cloud.google.com/go#pkg-overview. Some information on this page includes:

Example usage

To get started with this package, create a client. 

ctx := context.Background()
// This snippet has been automatically generated and should be regarded as a code template only.
// It will require modifications to work:
// - It may require correct/in-range values for request initialization.
// - It may require specifying regional endpoints when creating the service client as shown in:
//   https://pkg.go.dev/cloud.google.com/go#hdr-Client_Options
c, err := storage.NewClient(ctx)
if err != nil {
	// TODO: Handle error.
}
defer c.Close()

The client will use your default application credentials. Clients should be reused instead of created as needed. The methods of Client are safe for concurrent use by multiple goroutines. The returned client must be Closed when it is done being used.

Using the Client

The following is an example of making an API call with the newly created client. 

ctx := context.Background()
// This snippet has been automatically generated and should be regarded as a code template only.
// It will require modifications to work:
// - It may require correct/in-range values for request initialization.
// - It may require specifying regional endpoints when creating the service client as shown in:
//   https://pkg.go.dev/cloud.google.com/go#hdr-Client_Options
c, err := storage.NewClient(ctx)
if err != nil {
	// TODO: Handle error.
}
defer c.Close()

req := &storagepb.DeleteBucketRequest{
	// TODO: Fill request struct fields.
	// See https://pkg.go.dev/cloud.google.com/go/storage/internal/apiv2/storagepb#DeleteBucketRequest.
}
err = c.DeleteBucket(ctx, req)
if err != nil {
	// TODO: Handle error.
}

Use of Context

The ctx passed to NewClient is used for authentication requests and for creating the underlying connection, but is not used for subsequent calls. Individual methods on the client use the ctx given to them.

To close the open connection, use the Close() method.

Index

Examples

Constants

This section is empty.

Variables

This section is empty.

Functions

func DefaultAuthScopes 

func DefaultAuthScopes() []string

DefaultAuthScopes reports the default set of authentication scopes to use with this package.

Types

type BucketIterator added in v1.19.0 

type BucketIterator struct {

	// Response is the raw response for the current page.
	// It must be cast to the RPC response type.
	// Calling Next() or InternalFetch() updates this value.
	Response interface{}

	// InternalFetch is for use by the Google Cloud Libraries only.
	// It is not part of the stable interface of this package.
	//
	// InternalFetch returns results from a single call to the underlying RPC.
	// The number of results is no greater than pageSize.
	// If there are no more results, nextPageToken is empty and err is nil.
	InternalFetch func(pageSize int, pageToken string) (results []*storagepb.Bucket, nextPageToken string, err error)
	// contains filtered or unexported fields
}

BucketIterator manages a stream of *storagepb.Bucket.

func (*BucketIterator) Next added in v1.19.0 

func (it *BucketIterator) Next() (*storagepb.Bucket, error)

Next returns the next result. Its second return value is iterator.Done if there are no more results. Once Next returns Done, all subsequent calls will return Done.

func (*BucketIterator) PageInfo added in v1.19.0 

func (it *BucketIterator) PageInfo() *iterator.PageInfo

PageInfo supports pagination. See the google.golang.org/api/iterator package for details.

type CallOptions 

type CallOptions struct {
	DeleteBucket              []gax.CallOption
	GetBucket                 []gax.CallOption
	CreateBucket              []gax.CallOption
	ListBuckets               []gax.CallOption
	LockBucketRetentionPolicy []gax.CallOption
	GetIamPolicy              []gax.CallOption
	SetIamPolicy              []gax.CallOption
	TestIamPermissions        []gax.CallOption
	UpdateBucket              []gax.CallOption
	DeleteNotificationConfig  []gax.CallOption
	GetNotificationConfig     []gax.CallOption
	CreateNotificationConfig  []gax.CallOption
	ListNotificationConfigs   []gax.CallOption
	ComposeObject             []gax.CallOption
	DeleteObject              []gax.CallOption
	CancelResumableWrite      []gax.CallOption
	GetObject                 []gax.CallOption
	ReadObject                []gax.CallOption
	UpdateObject              []gax.CallOption
	WriteObject               []gax.CallOption
	ListObjects               []gax.CallOption
	RewriteObject             []gax.CallOption
	StartResumableWrite       []gax.CallOption
	QueryWriteStatus          []gax.CallOption
	GetServiceAccount         []gax.CallOption
	CreateHmacKey             []gax.CallOption
	DeleteHmacKey             []gax.CallOption
	GetHmacKey                []gax.CallOption
	ListHmacKeys              []gax.CallOption
	UpdateHmacKey             []gax.CallOption
}

CallOptions contains the retry settings for each method of Client.

type Client 

type Client struct {

	// The call options for this service.
	CallOptions *CallOptions
	// contains filtered or unexported fields
}

Client is a client for interacting with Cloud Storage API. Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.

API Overview and Naming SyntaxThe Cloud Storage gRPC API allows applications to read and write data through the abstractions of buckets and objects. For a description of these abstractions please see https://cloud.google.com/storage/docs (at https://cloud.google.com/storage/docs).

Resources are named as follows: 

Projects are referred to as they are defined by the Resource Manager API,
using strings like projects/123456 or projects/my-string-id.

Buckets are named using string names of the form:
projects/{project}/buckets/{bucket}
For globally unique buckets, _ may be substituted for the project.

Objects are uniquely identified by their name along with the name of the
bucket they belong to, as separate strings in this API. For example:

ReadObjectRequest {
  bucket: ‘projects/_/buckets/my-bucket’
  object: ‘my-object’
  }
  Note that object names can contain / characters, which are treated as
  any other character (no special directory semantics).

func NewClient 

func NewClient(ctx context.Context, opts ...option.ClientOption) (*Client, error)

NewClient creates a new storage client based on gRPC. The returned client must be Closed when it is done being used to clean up its underlying connections.

API Overview and Naming SyntaxThe Cloud Storage gRPC API allows applications to read and write data through the abstractions of buckets and objects. For a description of these abstractions please see https://cloud.google.com/storage/docs (at https://cloud.google.com/storage/docs).

Resources are named as follows: 

Projects are referred to as they are defined by the Resource Manager API,
using strings like projects/123456 or projects/my-string-id.

Buckets are named using string names of the form:
projects/{project}/buckets/{bucket}
For globally unique buckets, _ may be substituted for the project.

Objects are uniquely identified by their name along with the name of the
bucket they belong to, as separate strings in this API. For example:

ReadObjectRequest {
  bucket: ‘projects/_/buckets/my-bucket’
  object: ‘my-object’
  }
  Note that object names can contain / characters, which are treated as
  any other character (no special directory semantics).
Example 
package main

import (
	"context"

	storage "cloud.google.com/go/storage/internal/apiv2"
)

func main() {
	ctx := context.Background()
	// This snippet has been automatically generated and should be regarded as a code template only.
	// It will require modifications to work:
	// - It may require correct/in-range values for request initialization.
	// - It may require specifying regional endpoints when creating the service client as shown in:
	//   https://pkg.go.dev/cloud.google.com/go#hdr-Client_Options
	c, err := storage.NewClient(ctx)
	if err != nil {
		// TODO: Handle error.
	}
	defer c.Close()

	// TODO: Use client.
	_ = c
}

Output:

func (*Client) CancelResumableWrite added in v1.25.0 

func (c *Client) CancelResumableWrite(ctx context.Context, req *storagepb.CancelResumableWriteRequest, opts ...gax.CallOption) (*storagepb.CancelResumableWriteResponse, error)

CancelResumableWrite cancels an in-progress resumable upload.

Any attempts to write to the resumable upload after cancelling the upload will fail.

The behavior for currently in progress write operations is not guaranteed - they could either complete before the cancellation or fail if the cancellation completes first.

Example 
package main

import (
	"context"

	storage "cloud.google.com/go/storage/internal/apiv2"

	storagepb "cloud.google.com/go/storage/internal/apiv2/storagepb"
)

func main() {
	ctx := context.Background()
	// This snippet has been automatically generated and should be regarded as a code template only.
	// It will require modifications to work:
	// - It may require correct/in-range values for request initialization.
	// - It may require specifying regional endpoints when creating the service client as shown in:
	//   https://pkg.go.dev/cloud.google.com/go#hdr-Client_Options
	c, err := storage.NewClient(ctx)
	if err != nil {
		// TODO: Handle error.
	}
	defer c.Close()

	req := &storagepb.CancelResumableWriteRequest{
		// TODO: Fill request struct fields.
		// See https://pkg.go.dev/cloud.google.com/go/storage/internal/apiv2/storagepb#CancelResumableWriteRequest.
	}
	resp, err := c.CancelResumableWrite(ctx, req)
	if err != nil {
		// TODO: Handle error.
	}
	// TODO: Use resp.
	_ = resp
}

Output:

func (*Client) Close 

func (c *Client) Close() error

Close closes the connection to the API service. The user should invoke this when the client is no longer required.

func (*Client) ComposeObject added in v1.19.0 

func (c *Client) ComposeObject(ctx context.Context, req *storagepb.ComposeObjectRequest, opts ...gax.CallOption) (*storagepb.Object, error)

ComposeObject concatenates a list of existing objects into a new object in the same bucket.

Example 
package main

import (
	"context"

	storage "cloud.google.com/go/storage/internal/apiv2"

	storagepb "cloud.google.com/go/storage/internal/apiv2/storagepb"
)

func main() {
	ctx := context.Background()
	// This snippet has been automatically generated and should be regarded as a code template only.
	// It will require modifications to work:
	// - It may require correct/in-range values for request initialization.
	// - It may require specifying regional endpoints when creating the service client as shown in:
	//   https://pkg.go.dev/cloud.google.com/go#hdr-Client_Options
	c, err := storage.NewClient(ctx)
	if err != nil {
		// TODO: Handle error.
	}
	defer c.Close()

	req := &storagepb.ComposeObjectRequest{
		// TODO: Fill request struct fields.
		// See https://pkg.go.dev/cloud.google.com/go/storage/internal/apiv2/storagepb#ComposeObjectRequest.
	}
	resp, err := c.ComposeObject(ctx, req)
	if err != nil {
		// TODO: Handle error.
	}
	// TODO: Use resp.
	_ = resp
}

Output:

func (*Client) Connection deprecated 

func (c *Client) Connection() *grpc.ClientConn

Connection returns a connection to the API service.

Deprecated: Connections are now pooled so this method does not always return the same resource.

func (*Client) CreateBucket added in v1.19.0 

func (c *Client) CreateBucket(ctx context.Context, req *storagepb.CreateBucketRequest, opts ...gax.CallOption) (*storagepb.Bucket, error)

CreateBucket creates a new bucket.

Example 
package main

import (
	"context"

	storage "cloud.google.com/go/storage/internal/apiv2"

	storagepb "cloud.google.com/go/storage/internal/apiv2/storagepb"
)

func main() {
	ctx := context.Background()
	// This snippet has been automatically generated and should be regarded as a code template only.
	// It will require modifications to work:
	// - It may require correct/in-range values for request initialization.
	// - It may require specifying regional endpoints when creating the service client as shown in:
	//   https://pkg.go.dev/cloud.google.com/go#hdr-Client_Options
	c, err := storage.NewClient(ctx)
	if err != nil {
		// TODO: Handle error.
	}
	defer c.Close()

	req := &storagepb.CreateBucketRequest{
		// TODO: Fill request struct fields.
		// See https://pkg.go.dev/cloud.google.com/go/storage/internal/apiv2/storagepb#CreateBucketRequest.
	}
	resp, err := c.CreateBucket(ctx, req)
	if err != nil {
		// TODO: Handle error.
	}
	// TODO: Use resp.
	_ = resp
}

Output:

func (*Client) CreateHmacKey added in v1.19.0 

func (c *Client) CreateHmacKey(ctx context.Context, req *storagepb.CreateHmacKeyRequest, opts ...gax.CallOption) (*storagepb.CreateHmacKeyResponse, error)

CreateHmacKey creates a new HMAC key for the given service account.

Example 
package main

import (
	"context"

	storage "cloud.google.com/go/storage/internal/apiv2"

	storagepb "cloud.google.com/go/storage/internal/apiv2/storagepb"
)

func main() {
	ctx := context.Background()
	// This snippet has been automatically generated and should be regarded as a code template only.
	// It will require modifications to work:
	// - It may require correct/in-range values for request initialization.
	// - It may require specifying regional endpoints when creating the service client as shown in:
	//   https://pkg.go.dev/cloud.google.com/go#hdr-Client_Options
	c, err := storage.NewClient(ctx)
	if err != nil {
		// TODO: Handle error.
	}
	defer c.Close()

	req := &storagepb.CreateHmacKeyRequest{
		// TODO: Fill request struct fields.
		// See https://pkg.go.dev/cloud.google.com/go/storage/internal/apiv2/storagepb#CreateHmacKeyRequest.
	}
	resp, err := c.CreateHmacKey(ctx, req)
	if err != nil {
		// TODO: Handle error.
	}
	// TODO: Use resp.
	_ = resp
}

Output:

func (*Client) CreateNotificationConfig added in v1.30.0 

func (c *Client) CreateNotificationConfig(ctx context.Context, req *storagepb.CreateNotificationConfigRequest, opts ...gax.CallOption) (*storagepb.NotificationConfig, error)

CreateNotificationConfig creates a NotificationConfig for a given bucket. These NotificationConfigs, when triggered, publish messages to the specified Pub/Sub topics. See https://cloud.google.com/storage/docs/pubsub-notifications (at https://cloud.google.com/storage/docs/pubsub-notifications).

Example 
package main

import (
	"context"

	storage "cloud.google.com/go/storage/internal/apiv2"

	storagepb "cloud.google.com/go/storage/internal/apiv2/storagepb"
)

func main() {
	ctx := context.Background()
	// This snippet has been automatically generated and should be regarded as a code template only.
	// It will require modifications to work:
	// - It may require correct/in-range values for request initialization.
	// - It may require specifying regional endpoints when creating the service client as shown in:
	//   https://pkg.go.dev/cloud.google.com/go#hdr-Client_Options
	c, err := storage.NewClient(ctx)
	if err != nil {
		// TODO: Handle error.
	}
	defer c.Close()

	req := &storagepb.CreateNotificationConfigRequest{
		// TODO: Fill request struct fields.
		// See https://pkg.go.dev/cloud.google.com/go/storage/internal/apiv2/storagepb#CreateNotificationConfigRequest.
	}
	resp, err := c.CreateNotificationConfig(ctx, req)
	if err != nil {
		// TODO: Handle error.
	}
	// TODO: Use resp.
	_ = resp
}

Output:

func (*Client) DeleteBucket added in v1.19.0 

func (c *Client) DeleteBucket(ctx context.Context, req *storagepb.DeleteBucketRequest, opts ...gax.CallOption) error

DeleteBucket permanently deletes an empty bucket.

Example 
package main

import (
	"context"

	storage "cloud.google.com/go/storage/internal/apiv2"

	storagepb "cloud.google.com/go/storage/internal/apiv2/storagepb"
)

func main() {
	ctx := context.Background()
	// This snippet has been automatically generated and should be regarded as a code template only.
	// It will require modifications to work:
	// - It may require correct/in-range values for request initialization.
	// - It may require specifying regional endpoints when creating the service client as shown in:
	//   https://pkg.go.dev/cloud.google.com/go#hdr-Client_Options
	c, err := storage.NewClient(ctx)
	if err != nil {
		// TODO: Handle error.
	}
	defer c.Close()

	req := &storagepb.DeleteBucketRequest{
		// TODO: Fill request struct fields.
		// See https://pkg.go.dev/cloud.google.com/go/storage/internal/apiv2/storagepb#DeleteBucketRequest.
	}
	err = c.DeleteBucket(ctx, req)
	if err != nil {
		// TODO: Handle error.
	}
}

Output:

func (*Client) DeleteHmacKey added in v1.19.0 

func (c *Client) DeleteHmacKey(ctx context.Context, req *storagepb.DeleteHmacKeyRequest, opts ...gax.CallOption) error

DeleteHmacKey deletes a given HMAC key. Key must be in an INACTIVE state.

Example 
package main

import (
	"context"

	storage "cloud.google.com/go/storage/internal/apiv2"

	storagepb "cloud.google.com/go/storage/internal/apiv2/storagepb"
)

func main() {
	ctx := context.Background()
	// This snippet has been automatically generated and should be regarded as a code template only.
	// It will require modifications to work:
	// - It may require correct/in-range values for request initialization.
	// - It may require specifying regional endpoints when creating the service client as shown in:
	//   https://pkg.go.dev/cloud.google.com/go#hdr-Client_Options
	c, err := storage.NewClient(ctx)
	if err != nil {
		// TODO: Handle error.
	}
	defer c.Close()

	req := &storagepb.DeleteHmacKeyRequest{
		// TODO: Fill request struct fields.
		// See https://pkg.go.dev/cloud.google.com/go/storage/internal/apiv2/storagepb#DeleteHmacKeyRequest.
	}
	err = c.DeleteHmacKey(ctx, req)
	if err != nil {
		// TODO: Handle error.
	}
}

Output:

func (*Client) DeleteNotificationConfig added in v1.30.0 

func (c *Client) DeleteNotificationConfig(ctx context.Context, req *storagepb.DeleteNotificationConfigRequest, opts ...gax.CallOption) error

DeleteNotificationConfig permanently deletes a NotificationConfig.

Example 
package main

import (
	"context"

	storage "cloud.google.com/go/storage/internal/apiv2"

	storagepb "cloud.google.com/go/storage/internal/apiv2/storagepb"
)

func main() {
	ctx := context.Background()
	// This snippet has been automatically generated and should be regarded as a code template only.
	// It will require modifications to work:
	// - It may require correct/in-range values for request initialization.
	// - It may require specifying regional endpoints when creating the service client as shown in:
	//   https://pkg.go.dev/cloud.google.com/go#hdr-Client_Options
	c, err := storage.NewClient(ctx)
	if err != nil {
		// TODO: Handle error.
	}
	defer c.Close()

	req := &storagepb.DeleteNotificationConfigRequest{
		// TODO: Fill request struct fields.
		// See https://pkg.go.dev/cloud.google.com/go/storage/internal/apiv2/storagepb#DeleteNotificationConfigRequest.
	}
	err = c.DeleteNotificationConfig(ctx, req)
	if err != nil {
		// TODO: Handle error.
	}
}

Output:

func (*Client) DeleteObject added in v1.19.0 

func (c *Client) DeleteObject(ctx context.Context, req *storagepb.DeleteObjectRequest, opts ...gax.CallOption) error

DeleteObject deletes an object and its metadata.

Deletions are normally permanent when versioning is disabled or whenever the generation parameter is used. However, if soft delete is enabled for the bucket, deleted objects can be restored using RestoreObject until the soft delete retention period has passed.

Example 
package main

import (
	"context"

	storage "cloud.google.com/go/storage/internal/apiv2"

	storagepb "cloud.google.com/go/storage/internal/apiv2/storagepb"
)

func main() {
	ctx := context.Background()
	// This snippet has been automatically generated and should be regarded as a code template only.
	// It will require modifications to work:
	// - It may require correct/in-range values for request initialization.
	// - It may require specifying regional endpoints when creating the service client as shown in:
	//   https://pkg.go.dev/cloud.google.com/go#hdr-Client_Options
	c, err := storage.NewClient(ctx)
	if err != nil {
		// TODO: Handle error.
	}
	defer c.Close()

	req := &storagepb.DeleteObjectRequest{
		// TODO: Fill request struct fields.
		// See https://pkg.go.dev/cloud.google.com/go/storage/internal/apiv2/storagepb#DeleteObjectRequest.
	}
	err = c.DeleteObject(ctx, req)
	if err != nil {
		// TODO: Handle error.
	}
}

Output:

func (*Client) GetBucket added in v1.19.0 

func (c *Client) GetBucket(ctx context.Context, req *storagepb.GetBucketRequest, opts ...gax.CallOption) (*storagepb.Bucket, error)

GetBucket returns metadata for the specified bucket.

Example 
package main

import (
	"context"

	storage "cloud.google.com/go/storage/internal/apiv2"

	storagepb "cloud.google.com/go/storage/internal/apiv2/storagepb"
)

func main() {
	ctx := context.Background()
	// This snippet has been automatically generated and should be regarded as a code template only.
	// It will require modifications to work:
	// - It may require correct/in-range values for request initialization.
	// - It may require specifying regional endpoints when creating the service client as shown in:
	//   https://pkg.go.dev/cloud.google.com/go#hdr-Client_Options
	c, err := storage.NewClient(ctx)
	if err != nil {
		// TODO: Handle error.
	}
	defer c.Close()

	req := &storagepb.GetBucketRequest{
		// TODO: Fill request struct fields.
		// See https://pkg.go.dev/cloud.google.com/go/storage/internal/apiv2/storagepb#GetBucketRequest.
	}
	resp, err := c.GetBucket(ctx, req)
	if err != nil {
		// TODO: Handle error.
	}
	// TODO: Use resp.
	_ = resp
}

Output:

func (*Client) GetHmacKey added in v1.19.0 

func (c *Client) GetHmacKey(ctx context.Context, req *storagepb.GetHmacKeyRequest, opts ...gax.CallOption) (*storagepb.HmacKeyMetadata, error)

GetHmacKey gets an existing HMAC key metadata for the given id.

Example 
package main

import (
	"context"

	storage "cloud.google.com/go/storage/internal/apiv2"

	storagepb "cloud.google.com/go/storage/internal/apiv2/storagepb"
)

func main() {
	ctx := context.Background()
	// This snippet has been automatically generated and should be regarded as a code template only.
	// It will require modifications to work:
	// - It may require correct/in-range values for request initialization.
	// - It may require specifying regional endpoints when creating the service client as shown in:
	//   https://pkg.go.dev/cloud.google.com/go#hdr-Client_Options
	c, err := storage.NewClient(ctx)
	if err != nil {
		// TODO: Handle error.
	}
	defer c.Close()

	req := &storagepb.GetHmacKeyRequest{
		// TODO: Fill request struct fields.
		// See https://pkg.go.dev/cloud.google.com/go/storage/internal/apiv2/storagepb#GetHmacKeyRequest.
	}
	resp, err := c.GetHmacKey(ctx, req)
	if err != nil {
		// TODO: Handle error.
	}
	// TODO: Use resp.
	_ = resp
}

Output:

func (*Client) GetIamPolicy added in v1.19.0 

func (c *Client) GetIamPolicy(ctx context.Context, req *iampb.GetIamPolicyRequest, opts ...gax.CallOption) (*iampb.Policy, error)

GetIamPolicy gets the IAM policy for a specified bucket or object. The resource field in the request should be projects//buckets/<bucket_name> for a bucket or projects//buckets/<bucket_name>/objects/<object_name> for an object.

Example 
package main

import (
	"context"

	iampb "cloud.google.com/go/iam/apiv1/iampb"
	storage "cloud.google.com/go/storage/internal/apiv2"
)

func main() {
	ctx := context.Background()
	// This snippet has been automatically generated and should be regarded as a code template only.
	// It will require modifications to work:
	// - It may require correct/in-range values for request initialization.
	// - It may require specifying regional endpoints when creating the service client as shown in:
	//   https://pkg.go.dev/cloud.google.com/go#hdr-Client_Options
	c, err := storage.NewClient(ctx)
	if err != nil {
		// TODO: Handle error.
	}
	defer c.Close()

	req := &iampb.GetIamPolicyRequest{
		// TODO: Fill request struct fields.
		// See https://pkg.go.dev/cloud.google.com/go/iam/apiv1/iampb#GetIamPolicyRequest.
	}
	resp, err := c.GetIamPolicy(ctx, req)
	if err != nil {
		// TODO: Handle error.
	}
	// TODO: Use resp.
	_ = resp
}

Output:

func (*Client) GetNotificationConfig added in v1.30.0 

func (c *Client) GetNotificationConfig(ctx context.Context, req *storagepb.GetNotificationConfigRequest, opts ...gax.CallOption) (*storagepb.NotificationConfig, error)

GetNotificationConfig view a NotificationConfig.

Example 
package main

import (
	"context"

	storage "cloud.google.com/go/storage/internal/apiv2"

	storagepb "cloud.google.com/go/storage/internal/apiv2/storagepb"
)

func main() {
	ctx := context.Background()
	// This snippet has been automatically generated and should be regarded as a code template only.
	// It will require modifications to work:
	// - It may require correct/in-range values for request initialization.
	// - It may require specifying regional endpoints when creating the service client as shown in:
	//   https://pkg.go.dev/cloud.google.com/go#hdr-Client_Options
	c, err := storage.NewClient(ctx)
	if err != nil {
		// TODO: Handle error.
	}
	defer c.Close()

	req := &storagepb.GetNotificationConfigRequest{
		// TODO: Fill request struct fields.
		// See https://pkg.go.dev/cloud.google.com/go/storage/internal/apiv2/storagepb#GetNotificationConfigRequest.
	}
	resp, err := c.GetNotificationConfig(ctx, req)
	if err != nil {
		// TODO: Handle error.
	}
	// TODO: Use resp.
	_ = resp
}

Output:

func (*Client) GetObject added in v1.19.0 

func (c *Client) GetObject(ctx context.Context, req *storagepb.GetObjectRequest, opts ...gax.CallOption) (*storagepb.Object, error)

GetObject retrieves an object’s metadata.

Example 
package main

import (
	"context"

	storage "cloud.google.com/go/storage/internal/apiv2"

	storagepb "cloud.google.com/go/storage/internal/apiv2/storagepb"
)

func main() {
	ctx := context.Background()
	// This snippet has been automatically generated and should be regarded as a code template only.
	// It will require modifications to work:
	// - It may require correct/in-range values for request initialization.
	// - It may require specifying regional endpoints when creating the service client as shown in:
	//   https://pkg.go.dev/cloud.google.com/go#hdr-Client_Options
	c, err := storage.NewClient(ctx)
	if err != nil {
		// TODO: Handle error.
	}
	defer c.Close()

	req := &storagepb.GetObjectRequest{
		// TODO: Fill request struct fields.
		// See https://pkg.go.dev/cloud.google.com/go/storage/internal/apiv2/storagepb#GetObjectRequest.
	}
	resp, err := c.GetObject(ctx, req)
	if err != nil {
		// TODO: Handle error.
	}
	// TODO: Use resp.
	_ = resp
}

Output:

func (*Client) GetServiceAccount added in v1.19.0 

func (c *Client) GetServiceAccount(ctx context.Context, req *storagepb.GetServiceAccountRequest, opts ...gax.CallOption) (*storagepb.ServiceAccount, error)

GetServiceAccount retrieves the name of a project’s Google Cloud Storage service account.

Example 
package main

import (
	"context"

	storage "cloud.google.com/go/storage/internal/apiv2"

	storagepb "cloud.google.com/go/storage/internal/apiv2/storagepb"
)

func main() {
	ctx := context.Background()
	// This snippet has been automatically generated and should be regarded as a code template only.
	// It will require modifications to work:
	// - It may require correct/in-range values for request initialization.
	// - It may require specifying regional endpoints when creating the service client as shown in:
	//   https://pkg.go.dev/cloud.google.com/go#hdr-Client_Options
	c, err := storage.NewClient(ctx)
	if err != nil {
		// TODO: Handle error.
	}
	defer c.Close()

	req := &storagepb.GetServiceAccountRequest{
		// TODO: Fill request struct fields.
		// See https://pkg.go.dev/cloud.google.com/go/storage/internal/apiv2/storagepb#GetServiceAccountRequest.
	}
	resp, err := c.GetServiceAccount(ctx, req)
	if err != nil {
		// TODO: Handle error.
	}
	// TODO: Use resp.
	_ = resp
}

Output:

func (*Client) ListBuckets added in v1.19.0 

func (c *Client) ListBuckets(ctx context.Context, req *storagepb.ListBucketsRequest, opts ...gax.CallOption) *BucketIterator

ListBuckets retrieves a list of buckets for a given project.

Example 
package main

import (
	"context"

	storage "cloud.google.com/go/storage/internal/apiv2"

	storagepb "cloud.google.com/go/storage/internal/apiv2/storagepb"
	"google.golang.org/api/iterator"
)

func main() {
	ctx := context.Background()
	// This snippet has been automatically generated and should be regarded as a code template only.
	// It will require modifications to work:
	// - It may require correct/in-range values for request initialization.
	// - It may require specifying regional endpoints when creating the service client as shown in:
	//   https://pkg.go.dev/cloud.google.com/go#hdr-Client_Options
	c, err := storage.NewClient(ctx)
	if err != nil {
		// TODO: Handle error.
	}
	defer c.Close()

	req := &storagepb.ListBucketsRequest{
		// TODO: Fill request struct fields.
		// See https://pkg.go.dev/cloud.google.com/go/storage/internal/apiv2/storagepb#ListBucketsRequest.
	}
	it := c.ListBuckets(ctx, req)
	for {
		resp, err := it.Next()
		if err == iterator.Done {
			break
		}
		if err != nil {
			// TODO: Handle error.
		}
		// TODO: Use resp.
		_ = resp
	}
}

Output:

func (*Client) ListHmacKeys added in v1.19.0 

func (c *Client) ListHmacKeys(ctx context.Context, req *storagepb.ListHmacKeysRequest, opts ...gax.CallOption) *HmacKeyMetadataIterator

ListHmacKeys lists HMAC keys under a given project with the additional filters provided.

Example 
package main

import (
	"context"

	storage "cloud.google.com/go/storage/internal/apiv2"

	storagepb "cloud.google.com/go/storage/internal/apiv2/storagepb"
	"google.golang.org/api/iterator"
)

func main() {
	ctx := context.Background()
	// This snippet has been automatically generated and should be regarded as a code template only.
	// It will require modifications to work:
	// - It may require correct/in-range values for request initialization.
	// - It may require specifying regional endpoints when creating the service client as shown in:
	//   https://pkg.go.dev/cloud.google.com/go#hdr-Client_Options
	c, err := storage.NewClient(ctx)
	if err != nil {
		// TODO: Handle error.
	}
	defer c.Close()

	req := &storagepb.ListHmacKeysRequest{
		// TODO: Fill request struct fields.
		// See https://pkg.go.dev/cloud.google.com/go/storage/internal/apiv2/storagepb#ListHmacKeysRequest.
	}
	it := c.ListHmacKeys(ctx, req)
	for {
		resp, err := it.Next()
		if err == iterator.Done {
			break
		}
		if err != nil {
			// TODO: Handle error.
		}
		// TODO: Use resp.
		_ = resp
	}
}

Output:

func (*Client) ListNotificationConfigs added in v1.30.0 

func (c *Client) ListNotificationConfigs(ctx context.Context, req *storagepb.ListNotificationConfigsRequest, opts ...gax.CallOption) *NotificationConfigIterator

ListNotificationConfigs retrieves a list of NotificationConfigs for a given bucket.

Example 
package main

import (
	"context"

	storage "cloud.google.com/go/storage/internal/apiv2"

	storagepb "cloud.google.com/go/storage/internal/apiv2/storagepb"
	"google.golang.org/api/iterator"
)

func main() {
	ctx := context.Background()
	// This snippet has been automatically generated and should be regarded as a code template only.
	// It will require modifications to work:
	// - It may require correct/in-range values for request initialization.
	// - It may require specifying regional endpoints when creating the service client as shown in:
	//   https://pkg.go.dev/cloud.google.com/go#hdr-Client_Options
	c, err := storage.NewClient(ctx)
	if err != nil {
		// TODO: Handle error.
	}
	defer c.Close()

	req := &storagepb.ListNotificationConfigsRequest{
		// TODO: Fill request struct fields.
		// See https://pkg.go.dev/cloud.google.com/go/storage/internal/apiv2/storagepb#ListNotificationConfigsRequest.
	}
	it := c.ListNotificationConfigs(ctx, req)
	for {
		resp, err := it.Next()
		if err == iterator.Done {
			break
		}
		if err != nil {
			// TODO: Handle error.
		}
		// TODO: Use resp.
		_ = resp
	}
}

Output:

func (*Client) ListObjects added in v1.19.0 

func (c *Client) ListObjects(ctx context.Context, req *storagepb.ListObjectsRequest, opts ...gax.CallOption) *ObjectIterator

ListObjects retrieves a list of objects matching the criteria.

Example 
package main

import (
	"context"

	storage "cloud.google.com/go/storage/internal/apiv2"

	storagepb "cloud.google.com/go/storage/internal/apiv2/storagepb"
	"google.golang.org/api/iterator"
)

func main() {
	ctx := context.Background()
	// This snippet has been automatically generated and should be regarded as a code template only.
	// It will require modifications to work:
	// - It may require correct/in-range values for request initialization.
	// - It may require specifying regional endpoints when creating the service client as shown in:
	//   https://pkg.go.dev/cloud.google.com/go#hdr-Client_Options
	c, err := storage.NewClient(ctx)
	if err != nil {
		// TODO: Handle error.
	}
	defer c.Close()

	req := &storagepb.ListObjectsRequest{
		// TODO: Fill request struct fields.
		// See https://pkg.go.dev/cloud.google.com/go/storage/internal/apiv2/storagepb#ListObjectsRequest.
	}
	it := c.ListObjects(ctx, req)
	for {
		resp, err := it.Next()
		if err == iterator.Done {
			break
		}
		if err != nil {
			// TODO: Handle error.
		}
		// TODO: Use resp.
		_ = resp
	}
}

Output:

func (*Client) LockBucketRetentionPolicy added in v1.19.0 

func (c *Client) LockBucketRetentionPolicy(ctx context.Context, req *storagepb.LockBucketRetentionPolicyRequest, opts ...gax.CallOption) (*storagepb.Bucket, error)

LockBucketRetentionPolicy locks retention policy on a bucket.

Example 
package main

import (
	"context"

	storage "cloud.google.com/go/storage/internal/apiv2"

	storagepb "cloud.google.com/go/storage/internal/apiv2/storagepb"
)

func main() {
	ctx := context.Background()
	// This snippet has been automatically generated and should be regarded as a code template only.
	// It will require modifications to work:
	// - It may require correct/in-range values for request initialization.
	// - It may require specifying regional endpoints when creating the service client as shown in:
	//   https://pkg.go.dev/cloud.google.com/go#hdr-Client_Options
	c, err := storage.NewClient(ctx)
	if err != nil {
		// TODO: Handle error.
	}
	defer c.Close()

	req := &storagepb.LockBucketRetentionPolicyRequest{
		// TODO: Fill request struct fields.
		// See https://pkg.go.dev/cloud.google.com/go/storage/internal/apiv2/storagepb#LockBucketRetentionPolicyRequest.
	}
	resp, err := c.LockBucketRetentionPolicy(ctx, req)
	if err != nil {
		// TODO: Handle error.
	}
	// TODO: Use resp.
	_ = resp
}

Output:

func (*Client) QueryWriteStatus 

func (c *Client) QueryWriteStatus(ctx context.Context, req *storagepb.QueryWriteStatusRequest, opts ...gax.CallOption) (*storagepb.QueryWriteStatusResponse, error)

QueryWriteStatus determines the persisted_size for an object that is being written, which can then be used as the write_offset for the next Write() call.

If the object does not exist (i.e., the object has been deleted, or the first Write() has not yet reached the service), this method returns the error NOT_FOUND.

The client may call QueryWriteStatus() at any time to determine how much data has been processed for this object. This is useful if the client is buffering data and needs to know which data can be safely evicted. For any sequence of QueryWriteStatus() calls for a given object name, the sequence of returned persisted_size values will be non-decreasing.

Example 
package main

import (
	"context"

	storage "cloud.google.com/go/storage/internal/apiv2"

	storagepb "cloud.google.com/go/storage/internal/apiv2/storagepb"
)

func main() {
	ctx := context.Background()
	// This snippet has been automatically generated and should be regarded as a code template only.
	// It will require modifications to work:
	// - It may require correct/in-range values for request initialization.
	// - It may require specifying regional endpoints when creating the service client as shown in:
	//   https://pkg.go.dev/cloud.google.com/go#hdr-Client_Options
	c, err := storage.NewClient(ctx)
	if err != nil {
		// TODO: Handle error.
	}
	defer c.Close()

	req := &storagepb.QueryWriteStatusRequest{
		// TODO: Fill request struct fields.
		// See https://pkg.go.dev/cloud.google.com/go/storage/internal/apiv2/storagepb#QueryWriteStatusRequest.
	}
	resp, err := c.QueryWriteStatus(ctx, req)
	if err != nil {
		// TODO: Handle error.
	}
	// TODO: Use resp.
	_ = resp
}

Output:

func (*Client) ReadObject 

func (c *Client) ReadObject(ctx context.Context, req *storagepb.ReadObjectRequest, opts ...gax.CallOption) (storagepb.Storage_ReadObjectClient, error)

ReadObject reads an object’s data.

func (*Client) RewriteObject added in v1.19.0 

func (c *Client) RewriteObject(ctx context.Context, req *storagepb.RewriteObjectRequest, opts ...gax.CallOption) (*storagepb.RewriteResponse, error)

RewriteObject rewrites a source object to a destination object. Optionally overrides metadata.

Example 
package main

import (
	"context"

	storage "cloud.google.com/go/storage/internal/apiv2"

	storagepb "cloud.google.com/go/storage/internal/apiv2/storagepb"
)

func main() {
	ctx := context.Background()
	// This snippet has been automatically generated and should be regarded as a code template only.
	// It will require modifications to work:
	// - It may require correct/in-range values for request initialization.
	// - It may require specifying regional endpoints when creating the service client as shown in:
	//   https://pkg.go.dev/cloud.google.com/go#hdr-Client_Options
	c, err := storage.NewClient(ctx)
	if err != nil {
		// TODO: Handle error.
	}
	defer c.Close()

	req := &storagepb.RewriteObjectRequest{
		// TODO: Fill request struct fields.
		// See https://pkg.go.dev/cloud.google.com/go/storage/internal/apiv2/storagepb#RewriteObjectRequest.
	}
	resp, err := c.RewriteObject(ctx, req)
	if err != nil {
		// TODO: Handle error.
	}
	// TODO: Use resp.
	_ = resp
}

Output:

func (*Client) SetIamPolicy added in v1.19.0 

func (c *Client) SetIamPolicy(ctx context.Context, req *iampb.SetIamPolicyRequest, opts ...gax.CallOption) (*iampb.Policy, error)

SetIamPolicy updates an IAM policy for the specified bucket or object. The resource field in the request should be projects//buckets/<bucket_name> for a bucket or projects//buckets/<bucket_name>/objects/<object_name> for an object.

Example 
package main

import (
	"context"

	iampb "cloud.google.com/go/iam/apiv1/iampb"
	storage "cloud.google.com/go/storage/internal/apiv2"
)

func main() {
	ctx := context.Background()
	// This snippet has been automatically generated and should be regarded as a code template only.
	// It will require modifications to work:
	// - It may require correct/in-range values for request initialization.
	// - It may require specifying regional endpoints when creating the service client as shown in:
	//   https://pkg.go.dev/cloud.google.com/go#hdr-Client_Options
	c, err := storage.NewClient(ctx)
	if err != nil {
		// TODO: Handle error.
	}
	defer c.Close()

	req := &iampb.SetIamPolicyRequest{
		// TODO: Fill request struct fields.
		// See https://pkg.go.dev/cloud.google.com/go/iam/apiv1/iampb#SetIamPolicyRequest.
	}
	resp, err := c.SetIamPolicy(ctx, req)
	if err != nil {
		// TODO: Handle error.
	}
	// TODO: Use resp.
	_ = resp
}

Output:

func (*Client) StartResumableWrite 

func (c *Client) StartResumableWrite(ctx context.Context, req *storagepb.StartResumableWriteRequest, opts ...gax.CallOption) (*storagepb.StartResumableWriteResponse, error)

StartResumableWrite starts a resumable write. How long the write operation remains valid, and what happens when the write operation becomes invalid, are service-dependent.

Example 
package main

import (
	"context"

	storage "cloud.google.com/go/storage/internal/apiv2"

	storagepb "cloud.google.com/go/storage/internal/apiv2/storagepb"
)

func main() {
	ctx := context.Background()
	// This snippet has been automatically generated and should be regarded as a code template only.
	// It will require modifications to work:
	// - It may require correct/in-range values for request initialization.
	// - It may require specifying regional endpoints when creating the service client as shown in:
	//   https://pkg.go.dev/cloud.google.com/go#hdr-Client_Options
	c, err := storage.NewClient(ctx)
	if err != nil {
		// TODO: Handle error.
	}
	defer c.Close()

	req := &storagepb.StartResumableWriteRequest{
		// TODO: Fill request struct fields.
		// See https://pkg.go.dev/cloud.google.com/go/storage/internal/apiv2/storagepb#StartResumableWriteRequest.
	}
	resp, err := c.StartResumableWrite(ctx, req)
	if err != nil {
		// TODO: Handle error.
	}
	// TODO: Use resp.
	_ = resp
}

Output:

func (*Client) TestIamPermissions added in v1.19.0 

func (c *Client) TestIamPermissions(ctx context.Context, req *iampb.TestIamPermissionsRequest, opts ...gax.CallOption) (*iampb.TestIamPermissionsResponse, error)

TestIamPermissions tests a set of permissions on the given bucket or object to see which, if any, are held by the caller. The resource field in the request should be projects//buckets/<bucket_name> for a bucket or projects//buckets/<bucket_name>/objects/<object_name> for an object.

Example 
package main

import (
	"context"

	iampb "cloud.google.com/go/iam/apiv1/iampb"
	storage "cloud.google.com/go/storage/internal/apiv2"
)

func main() {
	ctx := context.Background()
	// This snippet has been automatically generated and should be regarded as a code template only.
	// It will require modifications to work:
	// - It may require correct/in-range values for request initialization.
	// - It may require specifying regional endpoints when creating the service client as shown in:
	//   https://pkg.go.dev/cloud.google.com/go#hdr-Client_Options
	c, err := storage.NewClient(ctx)
	if err != nil {
		// TODO: Handle error.
	}
	defer c.Close()

	req := &iampb.TestIamPermissionsRequest{
		// TODO: Fill request struct fields.
		// See https://pkg.go.dev/cloud.google.com/go/iam/apiv1/iampb#TestIamPermissionsRequest.
	}
	resp, err := c.TestIamPermissions(ctx, req)
	if err != nil {
		// TODO: Handle error.
	}
	// TODO: Use resp.
	_ = resp
}

Output:

func (*Client) UpdateBucket added in v1.19.0 

func (c *Client) UpdateBucket(ctx context.Context, req *storagepb.UpdateBucketRequest, opts ...gax.CallOption) (*storagepb.Bucket, error)

UpdateBucket updates a bucket. Equivalent to JSON API’s storage.buckets.patch method.

Example 
package main

import (
	"context"

	storage "cloud.google.com/go/storage/internal/apiv2"

	storagepb "cloud.google.com/go/storage/internal/apiv2/storagepb"
)

func main() {
	ctx := context.Background()
	// This snippet has been automatically generated and should be regarded as a code template only.
	// It will require modifications to work:
	// - It may require correct/in-range values for request initialization.
	// - It may require specifying regional endpoints when creating the service client as shown in:
	//   https://pkg.go.dev/cloud.google.com/go#hdr-Client_Options
	c, err := storage.NewClient(ctx)
	if err != nil {
		// TODO: Handle error.
	}
	defer c.Close()

	req := &storagepb.UpdateBucketRequest{
		// TODO: Fill request struct fields.
		// See https://pkg.go.dev/cloud.google.com/go/storage/internal/apiv2/storagepb#UpdateBucketRequest.
	}
	resp, err := c.UpdateBucket(ctx, req)
	if err != nil {
		// TODO: Handle error.
	}
	// TODO: Use resp.
	_ = resp
}

Output:

func (*Client) UpdateHmacKey added in v1.19.0 

func (c *Client) UpdateHmacKey(ctx context.Context, req *storagepb.UpdateHmacKeyRequest, opts ...gax.CallOption) (*storagepb.HmacKeyMetadata, error)

UpdateHmacKey updates a given HMAC key state between ACTIVE and INACTIVE.

Example 
package main

import (
	"context"

	storage "cloud.google.com/go/storage/internal/apiv2"

	storagepb "cloud.google.com/go/storage/internal/apiv2/storagepb"
)

func main() {
	ctx := context.Background()
	// This snippet has been automatically generated and should be regarded as a code template only.
	// It will require modifications to work:
	// - It may require correct/in-range values for request initialization.
	// - It may require specifying regional endpoints when creating the service client as shown in:
	//   https://pkg.go.dev/cloud.google.com/go#hdr-Client_Options
	c, err := storage.NewClient(ctx)
	if err != nil {
		// TODO: Handle error.
	}
	defer c.Close()

	req := &storagepb.UpdateHmacKeyRequest{
		// TODO: Fill request struct fields.
		// See https://pkg.go.dev/cloud.google.com/go/storage/internal/apiv2/storagepb#UpdateHmacKeyRequest.
	}
	resp, err := c.UpdateHmacKey(ctx, req)
	if err != nil {
		// TODO: Handle error.
	}
	// TODO: Use resp.
	_ = resp
}

Output:

func (*Client) UpdateObject added in v1.19.0 

func (c *Client) UpdateObject(ctx context.Context, req *storagepb.UpdateObjectRequest, opts ...gax.CallOption) (*storagepb.Object, error)

UpdateObject updates an object’s metadata. Equivalent to JSON API’s storage.objects.patch.

Example 
package main

import (
	"context"

	storage "cloud.google.com/go/storage/internal/apiv2"

	storagepb "cloud.google.com/go/storage/internal/apiv2/storagepb"
)

func main() {
	ctx := context.Background()
	// This snippet has been automatically generated and should be regarded as a code template only.
	// It will require modifications to work:
	// - It may require correct/in-range values for request initialization.
	// - It may require specifying regional endpoints when creating the service client as shown in:
	//   https://pkg.go.dev/cloud.google.com/go#hdr-Client_Options
	c, err := storage.NewClient(ctx)
	if err != nil {
		// TODO: Handle error.
	}
	defer c.Close()

	req := &storagepb.UpdateObjectRequest{
		// TODO: Fill request struct fields.
		// See https://pkg.go.dev/cloud.google.com/go/storage/internal/apiv2/storagepb#UpdateObjectRequest.
	}
	resp, err := c.UpdateObject(ctx, req)
	if err != nil {
		// TODO: Handle error.
	}
	// TODO: Use resp.
	_ = resp
}

Output:

func (*Client) WriteObject 

func (c *Client) WriteObject(ctx context.Context, opts ...gax.CallOption) (storagepb.Storage_WriteObjectClient, error)

WriteObject stores a new object and metadata.

An object can be written either in a single message stream or in a resumable sequence of message streams. To write using a single stream, the client should include in the first message of the stream an WriteObjectSpec describing the destination bucket, object, and any preconditions. Additionally, the final message must set ‘finish_write’ to true, or else it is an error.

For a resumable write, the client should instead call StartResumableWrite(), populating a WriteObjectSpec into that request. They should then attach the returned upload_id to the first message of each following call to WriteObject. If the stream is closed before finishing the upload (either explicitly by the client or due to a network error or an error response from the server), the client should do as follows: 

Check the result Status of the stream, to determine if writing can be
resumed on this stream or must be restarted from scratch (by calling
StartResumableWrite()). The resumable errors are DEADLINE_EXCEEDED,
INTERNAL, and UNAVAILABLE. For each case, the client should use binary
exponential backoff before retrying.  Additionally, writes can be
resumed after RESOURCE_EXHAUSTED errors, but only after taking
appropriate measures, which may include reducing aggregate send rate
across clients and/or requesting a quota increase for your project.

If the call to WriteObject returns ABORTED, that indicates
concurrent attempts to update the resumable write, caused either by
multiple racing clients or by a single client where the previous
request was timed out on the client side but nonetheless reached the
server. In this case the client should take steps to prevent further
concurrent writes (e.g., increase the timeouts, stop using more than
one process to perform the upload, etc.), and then should follow the
steps below for resuming the upload.

For resumable errors, the client should call QueryWriteStatus() and
then continue writing from the returned persisted_size. This may be
less than the amount of data the client previously sent. Note also that
it is acceptable to send data starting at an offset earlier than the
returned persisted_size; in this case, the service will skip data at
offsets that were already persisted (without checking that it matches
the previously written data), and write only the data starting from the
persisted offset. Even though the data isn’t written, it may still
incur a performance cost over resuming at the correct write offset.
This behavior can make client-side handling simpler in some cases.

Clients must only send data that is a multiple of 256 KiB per message,
unless the object is being finished with finish_write set to true.

The service will not view the object as complete until the client has sent a WriteObjectRequest with finish_write set to true. Sending any requests on a stream after sending a request with finish_write set to true will cause an error. The client should check the response it receives to determine how much data the service was able to commit and whether the service views the object as complete.

Attempting to resume an already finalized object will result in an OK status, with a WriteObjectResponse containing the finalized object’s metadata.

type HmacKeyMetadataIterator added in v1.19.0 

type HmacKeyMetadataIterator struct {

	// Response is the raw response for the current page.
	// It must be cast to the RPC response type.
	// Calling Next() or InternalFetch() updates this value.
	Response interface{}

	// InternalFetch is for use by the Google Cloud Libraries only.
	// It is not part of the stable interface of this package.
	//
	// InternalFetch returns results from a single call to the underlying RPC.
	// The number of results is no greater than pageSize.
	// If there are no more results, nextPageToken is empty and err is nil.
	InternalFetch func(pageSize int, pageToken string) (results []*storagepb.HmacKeyMetadata, nextPageToken string, err error)
	// contains filtered or unexported fields
}

HmacKeyMetadataIterator manages a stream of *storagepb.HmacKeyMetadata.

func (*HmacKeyMetadataIterator) Next added in v1.19.0 

func (it *HmacKeyMetadataIterator) Next() (*storagepb.HmacKeyMetadata, error)

Next returns the next result. Its second return value is iterator.Done if there are no more results. Once Next returns Done, all subsequent calls will return Done.

func (*HmacKeyMetadataIterator) PageInfo added in v1.19.0 

func (it *HmacKeyMetadataIterator) PageInfo() *iterator.PageInfo

PageInfo supports pagination. See the google.golang.org/api/iterator package for details.

type NotificationConfigIterator added in v1.30.0 

type NotificationConfigIterator struct {

	// Response is the raw response for the current page.
	// It must be cast to the RPC response type.
	// Calling Next() or InternalFetch() updates this value.
	Response interface{}

	// InternalFetch is for use by the Google Cloud Libraries only.
	// It is not part of the stable interface of this package.
	//
	// InternalFetch returns results from a single call to the underlying RPC.
	// The number of results is no greater than pageSize.
	// If there are no more results, nextPageToken is empty and err is nil.
	InternalFetch func(pageSize int, pageToken string) (results []*storagepb.NotificationConfig, nextPageToken string, err error)
	// contains filtered or unexported fields
}

NotificationConfigIterator manages a stream of *storagepb.NotificationConfig.

func (*NotificationConfigIterator) Next added in v1.30.0 

func (it *NotificationConfigIterator) Next() (*storagepb.NotificationConfig, error)

Next returns the next result. Its second return value is iterator.Done if there are no more results. Once Next returns Done, all subsequent calls will return Done.

func (*NotificationConfigIterator) PageInfo added in v1.30.0 

func (it *NotificationConfigIterator) PageInfo() *iterator.PageInfo

PageInfo supports pagination. See the google.golang.org/api/iterator package for details.

type ObjectIterator added in v1.19.0 

type ObjectIterator struct {

	// Response is the raw response for the current page.
	// It must be cast to the RPC response type.
	// Calling Next() or InternalFetch() updates this value.
	Response interface{}

	// InternalFetch is for use by the Google Cloud Libraries only.
	// It is not part of the stable interface of this package.
	//
	// InternalFetch returns results from a single call to the underlying RPC.
	// The number of results is no greater than pageSize.
	// If there are no more results, nextPageToken is empty and err is nil.
	InternalFetch func(pageSize int, pageToken string) (results []*storagepb.Object, nextPageToken string, err error)
	// contains filtered or unexported fields
}

ObjectIterator manages a stream of *storagepb.Object.

func (*ObjectIterator) Next added in v1.19.0 

func (it *ObjectIterator) Next() (*storagepb.Object, error)

Next returns the next result. Its second return value is iterator.Done if there are no more results. Once Next returns Done, all subsequent calls will return Done.

func (*ObjectIterator) PageInfo added in v1.19.0 

func (it *ObjectIterator) PageInfo() *iterator.PageInfo

PageInfo supports pagination. See the google.golang.org/api/iterator package for details.

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