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index.yml
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index.yml
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### YamlMime:UniversalReference
items:
- uid: cloud.google.com/go/storage
name: cloud.google.com/go/storage
id: storage
summary: "<p>Package storage provides an easy way to work with Google Cloud Storage.\nGoogle
Cloud Storage stores data in named objects, which are grouped into buckets.</p>\n<p>More
information about Google Cloud Storage is available at\nhttps://cloud.google.com/storage/docs.</p>\n<p>See
https://godoc.org/cloud.google.com/go for authentication, timeouts,\nconnection
pooling and similar aspects of this package.</p>\n<p>All of the methods of this
package use exponential backoff to retry calls that fail\nwith certain errors,
as described in\nhttps://cloud.google.com/storage/docs/exponential-backoff. Retrying
continues\nindefinitely unless the controlling context is canceled or the client
is closed. See\ncontext.WithTimeout and context.WithCancel.</p>\n<h3>Creating
a Client</h3>\n<p>To start working with this package, create a client:</p>\n<pre><code>ctx
:= context.Background()\nclient, err := storage.NewClient(ctx)\nif err != nil
{\n // TODO: Handle error.\n}\n</code></pre>\n<p>The client will use your default
application credentials. Clients should be\nreused instead of created as needed.
The methods of Client are safe for\nconcurrent use by multiple goroutines.</p>\n<p>If
you only wish to access public data, you can create\nan unauthenticated client
with</p>\n<pre><code>client, err := storage.NewClient(ctx, option.WithoutAuthentication())\n</code></pre>\n<h3>Buckets</h3>\n<p>A
Google Cloud Storage bucket is a collection of objects. To work with a\nbucket,
make a bucket handle:</p>\n<pre><code>bkt := client.Bucket(bucketName)\n</code></pre>\n<p>A
handle is a reference to a bucket. You can have a handle even if the\nbucket doesn't
exist yet. To create a bucket in Google Cloud Storage,\ncall Create on the handle:</p>\n<pre><code>if
err := bkt.Create(ctx, projectID, nil); err != nil {\n // TODO: Handle error.\n}\n</code></pre>\n<p>Note
that although buckets are associated with projects, bucket names are\nglobal across
all projects.</p>\n<p>Each bucket has associated metadata, represented in this
package by\nBucketAttrs. The third argument to BucketHandle.Create allows you
to set\nthe initial BucketAttrs of a bucket. To retrieve a bucket's attributes,
use\nAttrs:</p>\n<pre><code>attrs, err := bkt.Attrs(ctx)\nif err != nil {\n //
TODO: Handle error.\n}\nfmt.Printf("bucket %s, created at %s, is located
in %s with storage class %s\\n",\n attrs.Name, attrs.Created, attrs.Location,
attrs.StorageClass)\n</code></pre>\n<h3>Objects</h3>\n<p>An object holds arbitrary
data as a sequence of bytes, like a file. You\nrefer to objects using a handle,
just as with buckets, but unlike buckets\nyou don't explicitly create an object.
Instead, the first time you write\nto an object it will be created. You can use
the standard Go io.Reader\nand io.Writer interfaces to read and write object data:</p>\n<pre><code>obj
:= bkt.Object("data")\n// Write something to obj.\n// w implements io.Writer.\nw
:= obj.NewWriter(ctx)\n// Write some text to obj. This will either create the
object or overwrite whatever is there already.\nif _, err := fmt.Fprintf(w, "This
object contains text.\\n"); err != nil {\n // TODO: Handle error.\n}\n//
Close, just like writing a file.\nif err := w.Close(); err != nil {\n // TODO:
Handle error.\n}\n\n// Read it back.\nr, err := obj.NewReader(ctx)\nif err !=
nil {\n // TODO: Handle error.\n}\ndefer r.Close()\nif _, err := io.Copy(os.Stdout,
r); err != nil {\n // TODO: Handle error.\n}\n// Prints "This object contains
text."\n</code></pre>\n<p>Objects also have attributes, which you can fetch
with Attrs:</p>\n<pre><code>objAttrs, err := obj.Attrs(ctx)\nif err != nil {\n
\ // TODO: Handle error.\n}\nfmt.Printf("object %s has size %d and can
be read using %s\\n",\n objAttrs.Name, objAttrs.Size, objAttrs.MediaLink)\n</code></pre>\n<h3>Listing
objects</h3>\n<p>Listing objects in a bucket is done with the Bucket.Objects method:</p>\n<pre><code>query
:= &storage.Query{Prefix: ""}\n\nvar names []string\nit := bkt.Objects(ctx,
query)\nfor {\n attrs, err := it.Next()\n if err == iterator.Done {\n break\n
\ }\n if err != nil {\n log.Fatal(err)\n }\n names = append(names,
attrs.Name)\n}\n</code></pre>\n<p>If only a subset of object attributes is needed
when listing, specifying this\nsubset using Query.SetAttrSelection may speed up
the listing process:</p>\n<pre><code>query := &storage.Query{Prefix: ""}\nquery.SetAttrSelection([]string{"Name"})\n\n//
... as before\n</code></pre>\n<h3>ACLs</h3>\n<p>Both objects and buckets have
ACLs (Access Control Lists). An ACL is a list of\nACLRules, each of which specifies
the role of a user, group or project. ACLs\nare suitable for fine-grained control,
but you may prefer using IAM to control\naccess at the project level (see\nhttps://cloud.google.com/storage/docs/access-control/iam).</p>\n<p>To
list the ACLs of a bucket or object, obtain an ACLHandle and call its List method:</p>\n<pre><code>acls,
err := obj.ACL().List(ctx)\nif err != nil {\n // TODO: Handle error.\n}\nfor
_, rule := range acls {\n fmt.Printf("%s has role %s\\n", rule.Entity,
rule.Role)\n}\n</code></pre>\n<p>You can also set and delete ACLs.</p>\n<h3>Conditions</h3>\n<p>Every
object has a generation and a metageneration. The generation changes\nwhenever
the content changes, and the metageneration changes whenever the\nmetadata changes.
Conditions let you check these values before an operation;\nthe operation only
executes if the conditions match. You can use conditions to\nprevent race conditions
in read-modify-write operations.</p>\n<p>For example, say you've read an object's
metadata into objAttrs. Now\nyou want to write to that object, but only if its
contents haven't changed\nsince you read it. Here is how to express that:</p>\n<pre><code>w
= obj.If(storage.Conditions{GenerationMatch: objAttrs.Generation}).NewWriter(ctx)\n//
Proceed with writing as above.\n</code></pre>\n<h3>Signed URLs</h3>\n<p>You can
obtain a URL that lets anyone read or write an object for a limited time.\nYou
don't need to create a client to do this. See the documentation of\nSignedURL
for details.</p>\n<pre><code>url, err := storage.SignedURL(bucketName, "shared-object",
opts)\nif err != nil {\n // TODO: Handle error.\n}\nfmt.Println(url)\n</code></pre>\n<h3>Post
Policy V4 Signed Request</h3>\n<p>A type of signed request that allows uploads
through HTML forms directly to Cloud Storage with\ntemporary permission. Conditions
can be applied to restrict how the HTML form is used and exercised\nby a user.</p>\n<p>For
more information, please see https://cloud.google.com/storage/docs/xml-api/post-object
as well\nas the documentation of GenerateSignedPostPolicyV4.</p>\n<pre><code>pv4,
err := storage.GenerateSignedPostPolicyV4(bucketName, objectName, opts)\nif err
!= nil {\n // TODO: Handle error.\n}\nfmt.Printf("URL: %s\\nFields; %v\\n",
pv4.URL, pv4.Fields)\n</code></pre>\n<h3>Errors</h3>\n<p>Errors returned by this
client are often of the type <a href=\"https://godoc.org/google.golang.org/api/googleapi#Error\"><code>googleapi.Error</code></a>.\nThese
errors can be introspected for more information by type asserting to the richer
<code>googleapi.Error</code> type. For example:</p>\n<pre><code>if e, ok := err.(*googleapi.Error);
ok {\n\t if e.Code == 409 { ... }\n}\n</code></pre>\n"
type: package
langs:
- go
children:
- cloud.google.com/go/storage.DeleteAction,SetStorageClassAction
- cloud.google.com/go/storage.NoPayload,JSONPayload
- cloud.google.com/go/storage.ObjectFinalizeEvent,ObjectMetadataUpdateEvent,ObjectDeleteEvent,ObjectArchiveEvent
- cloud.google.com/go/storage.ScopeFullControl,ScopeReadOnly,ScopeReadWrite
- cloud.google.com/go/storage.ErrBucketNotExist,ErrObjectNotExist
- cloud.google.com/go/storage.ACLEntity
- cloud.google.com/go/storage.AllUsers,AllAuthenticatedUsers
- cloud.google.com/go/storage.ACLHandle
- cloud.google.com/go/storage.ACLHandle.Delete
- cloud.google.com/go/storage.ACLHandle.List
- cloud.google.com/go/storage.ACLHandle.Set
- cloud.google.com/go/storage.ACLRole
- cloud.google.com/go/storage.RoleOwner,RoleReader,RoleWriter
- cloud.google.com/go/storage.ACLRule
- cloud.google.com/go/storage.BucketAttrs
- cloud.google.com/go/storage.BucketAttrsToUpdate
- cloud.google.com/go/storage.BucketAttrsToUpdate.DeleteLabel
- cloud.google.com/go/storage.BucketAttrsToUpdate.SetLabel
- cloud.google.com/go/storage.BucketConditions
- cloud.google.com/go/storage.BucketEncryption
- cloud.google.com/go/storage.BucketHandle
- cloud.google.com/go/storage.BucketHandle.ACL
- cloud.google.com/go/storage.BucketHandle.AddNotification
- cloud.google.com/go/storage.BucketHandle.Attrs
- cloud.google.com/go/storage.BucketHandle.Create
- cloud.google.com/go/storage.BucketHandle.DefaultObjectACL
- cloud.google.com/go/storage.BucketHandle.Delete
- cloud.google.com/go/storage.BucketHandle.DeleteNotification
- cloud.google.com/go/storage.BucketHandle.IAM
- cloud.google.com/go/storage.BucketHandle.If
- cloud.google.com/go/storage.BucketHandle.LockRetentionPolicy
- cloud.google.com/go/storage.BucketHandle.Notifications
- cloud.google.com/go/storage.BucketHandle.Object
- cloud.google.com/go/storage.BucketHandle.Objects
- cloud.google.com/go/storage.BucketHandle.Update
- cloud.google.com/go/storage.BucketHandle.UserProject
- cloud.google.com/go/storage.BucketIterator
- cloud.google.com/go/storage.BucketIterator.Next
- cloud.google.com/go/storage.BucketIterator.PageInfo
- cloud.google.com/go/storage.BucketLogging
- cloud.google.com/go/storage.BucketPolicyOnly
- cloud.google.com/go/storage.BucketWebsite
- cloud.google.com/go/storage.CORS
- cloud.google.com/go/storage.Client
- cloud.google.com/go/storage.Client.NewClient
- cloud.google.com/go/storage.Client.Bucket
- cloud.google.com/go/storage.Client.Buckets
- cloud.google.com/go/storage.Client.Close
- cloud.google.com/go/storage.Client.CreateHMACKey
- cloud.google.com/go/storage.Client.HMACKeyHandle
- cloud.google.com/go/storage.Client.ListHMACKeys
- cloud.google.com/go/storage.Client.ServiceAccount
- cloud.google.com/go/storage.Composer
- cloud.google.com/go/storage.Composer.Run
- cloud.google.com/go/storage.Conditions
- cloud.google.com/go/storage.Copier
- cloud.google.com/go/storage.Copier.Run
- cloud.google.com/go/storage.HMACKey
- cloud.google.com/go/storage.HMACKeyAttrsToUpdate
- cloud.google.com/go/storage.HMACKeyHandle
- cloud.google.com/go/storage.HMACKeyHandle.Delete
- cloud.google.com/go/storage.HMACKeyHandle.Get
- cloud.google.com/go/storage.HMACKeyHandle.Update
- cloud.google.com/go/storage.HMACKeyOption
- cloud.google.com/go/storage.HMACKeyOption.ForHMACKeyServiceAccountEmail
- cloud.google.com/go/storage.HMACKeyOption.ShowDeletedHMACKeys
- cloud.google.com/go/storage.HMACKeyOption.UserProjectForHMACKeys
- cloud.google.com/go/storage.HMACKeysIterator
- cloud.google.com/go/storage.HMACKeysIterator.Next
- cloud.google.com/go/storage.HMACKeysIterator.PageInfo
- cloud.google.com/go/storage.HMACState
- cloud.google.com/go/storage.Active,Inactive,Deleted
- cloud.google.com/go/storage.Lifecycle
- cloud.google.com/go/storage.LifecycleAction
- cloud.google.com/go/storage.LifecycleCondition
- cloud.google.com/go/storage.LifecycleRule
- cloud.google.com/go/storage.Liveness
- cloud.google.com/go/storage.LiveAndArchived,Live,Archived
- cloud.google.com/go/storage.Notification
- cloud.google.com/go/storage.ObjectAttrs
- cloud.google.com/go/storage.ObjectAttrsToUpdate
- cloud.google.com/go/storage.ObjectHandle
- cloud.google.com/go/storage.ObjectHandle.ACL
- cloud.google.com/go/storage.ObjectHandle.Attrs
- cloud.google.com/go/storage.ObjectHandle.BucketName
- cloud.google.com/go/storage.ObjectHandle.ComposerFrom
- cloud.google.com/go/storage.ObjectHandle.CopierFrom
- cloud.google.com/go/storage.ObjectHandle.Delete
- cloud.google.com/go/storage.ObjectHandle.Generation
- cloud.google.com/go/storage.ObjectHandle.If
- cloud.google.com/go/storage.ObjectHandle.Key
- cloud.google.com/go/storage.ObjectHandle.NewRangeReader
- cloud.google.com/go/storage.ObjectHandle.NewReader
- cloud.google.com/go/storage.ObjectHandle.NewWriter
- cloud.google.com/go/storage.ObjectHandle.ObjectName
- cloud.google.com/go/storage.ObjectHandle.ReadCompressed
- cloud.google.com/go/storage.ObjectHandle.Update
- cloud.google.com/go/storage.ObjectIterator
- cloud.google.com/go/storage.ObjectIterator.Next
- cloud.google.com/go/storage.ObjectIterator.PageInfo
- cloud.google.com/go/storage.PolicyV4Fields
- cloud.google.com/go/storage.PostPolicyV4
- cloud.google.com/go/storage.PostPolicyV4.GenerateSignedPostPolicyV4
- cloud.google.com/go/storage.PostPolicyV4Condition
- cloud.google.com/go/storage.PostPolicyV4Condition.ConditionContentLengthRange
- cloud.google.com/go/storage.PostPolicyV4Condition.ConditionStartsWith
- cloud.google.com/go/storage.PostPolicyV4Options
- cloud.google.com/go/storage.ProjectTeam
- cloud.google.com/go/storage.Query
- cloud.google.com/go/storage.Query.SetAttrSelection
- cloud.google.com/go/storage.Reader
- cloud.google.com/go/storage.Reader.CacheControl
- cloud.google.com/go/storage.Reader.Close
- cloud.google.com/go/storage.Reader.ContentEncoding
- cloud.google.com/go/storage.Reader.ContentType
- cloud.google.com/go/storage.Reader.LastModified
- cloud.google.com/go/storage.Reader.Read
- cloud.google.com/go/storage.Reader.Remain
- cloud.google.com/go/storage.Reader.Size
- cloud.google.com/go/storage.ReaderObjectAttrs
- cloud.google.com/go/storage.RetentionPolicy
- cloud.google.com/go/storage.SignedURLOptions
- cloud.google.com/go/storage.SigningScheme
- cloud.google.com/go/storage.SigningSchemeDefault,SigningSchemeV2,SigningSchemeV4
- cloud.google.com/go/storage.URLStyle
- cloud.google.com/go/storage.URLStyle.BucketBoundHostname
- cloud.google.com/go/storage.URLStyle.PathStyle
- cloud.google.com/go/storage.URLStyle.VirtualHostedStyle
- cloud.google.com/go/storage.UniformBucketLevelAccess
- cloud.google.com/go/storage.Writer
- cloud.google.com/go/storage.Writer.Attrs
- cloud.google.com/go/storage.Writer.Close
- cloud.google.com/go/storage.Writer.CloseWithError
- cloud.google.com/go/storage.Writer.Write
- cloud.google.com/go/storage.SignedURL
alt_link: https://pkg.go.dev/cloud.google.com/go/storage
- uid: cloud.google.com/go/storage.DeleteAction,SetStorageClassAction
name: DeleteAction, SetStorageClassAction
id: DeleteAction,SetStorageClassAction
parent: cloud.google.com/go/storage
type: const
langs:
- go
syntax:
content: "const (\n\n\t// DeleteAction is a lifecycle action that deletes a live
and/or archived\n\t// objects. Takes precedence over SetStorageClass actions.\n\tDeleteAction
= \"Delete\"\n\n\t// SetStorageClassAction changes the storage class of live
and/or archived\n\t// objects.\n\tSetStorageClassAction = \"SetStorageClass\"\n)"
- uid: cloud.google.com/go/storage.NoPayload,JSONPayload
name: NoPayload, JSONPayload
id: NoPayload,JSONPayload
summary: |
Values for Notification.PayloadFormat.
parent: cloud.google.com/go/storage
type: const
langs:
- go
syntax:
content: "const (\n\t// Send no payload with notification messages.\n\tNoPayload
= \"NONE\"\n\n\t// Send object metadata as JSON with notification messages.\n\tJSONPayload
= \"JSON_API_V1\"\n)"
- uid: cloud.google.com/go/storage.ObjectFinalizeEvent,ObjectMetadataUpdateEvent,ObjectDeleteEvent,ObjectArchiveEvent
name: ObjectFinalizeEvent, ObjectMetadataUpdateEvent, ObjectDeleteEvent, ObjectArchiveEvent
id: ObjectFinalizeEvent,ObjectMetadataUpdateEvent,ObjectDeleteEvent,ObjectArchiveEvent
summary: |
Values for Notification.EventTypes.
parent: cloud.google.com/go/storage
type: const
langs:
- go
syntax:
content: "const (\n\t// Event that occurs when an object is successfully created.\n\tObjectFinalizeEvent
= \"OBJECT_FINALIZE\"\n\n\t// Event that occurs when the metadata of an existing
object changes.\n\tObjectMetadataUpdateEvent = \"OBJECT_METADATA_UPDATE\"\n\n\t//
Event that occurs when an object is permanently deleted.\n\tObjectDeleteEvent
= \"OBJECT_DELETE\"\n\n\t// Event that occurs when the live version of an object
becomes an\n\t// archived version.\n\tObjectArchiveEvent = \"OBJECT_ARCHIVE\"\n)"
- uid: cloud.google.com/go/storage.ScopeFullControl,ScopeReadOnly,ScopeReadWrite
name: ScopeFullControl, ScopeReadOnly, ScopeReadWrite
id: ScopeFullControl,ScopeReadOnly,ScopeReadWrite
parent: cloud.google.com/go/storage
type: const
langs:
- go
syntax:
content: "const (\n\t// ScopeFullControl grants permissions to manage your\n\t//
data and permissions in Google Cloud Storage.\n\tScopeFullControl = <a href=\"https://pkg.go.dev/google.golang.org/api/storage/v1\">raw</a>.<a
href=\"https://pkg.go.dev/google.golang.org/api/storage/v1#DevstorageFullControlScope\">DevstorageFullControlScope</a>\n\n\t//
ScopeReadOnly grants permissions to\n\t// view your data in Google Cloud Storage.\n\tScopeReadOnly
= <a href=\"https://pkg.go.dev/google.golang.org/api/storage/v1\">raw</a>.<a
href=\"https://pkg.go.dev/google.golang.org/api/storage/v1#DevstorageReadOnlyScope\">DevstorageReadOnlyScope</a>\n\n\t//
ScopeReadWrite grants permissions to manage your\n\t// data in Google Cloud
Storage.\n\tScopeReadWrite = <a href=\"https://pkg.go.dev/google.golang.org/api/storage/v1\">raw</a>.<a
href=\"https://pkg.go.dev/google.golang.org/api/storage/v1#DevstorageReadWriteScope\">DevstorageReadWriteScope</a>\n)"
- uid: cloud.google.com/go/storage.ErrBucketNotExist,ErrObjectNotExist
name: ErrBucketNotExist, ErrObjectNotExist
id: ErrBucketNotExist,ErrObjectNotExist
parent: cloud.google.com/go/storage
type: variable
langs:
- go
syntax:
content: "var (\n\t// ErrBucketNotExist indicates that the bucket does not exist.\n\tErrBucketNotExist
= <a href=\"https://pkg.go.dev/errors\">errors</a>.<a href=\"https://pkg.go.dev/errors#New\">New</a>(\"storage:
bucket doesn't exist\")\n\t// ErrObjectNotExist indicates that the object does
not exist.\n\tErrObjectNotExist = <a href=\"https://pkg.go.dev/errors\">errors</a>.<a
href=\"https://pkg.go.dev/errors#New\">New</a>(\"storage: object doesn't exist\")\n)"
- uid: cloud.google.com/go/storage.ACLEntity
name: ACLEntity
id: ACLEntity
summary: |
ACLEntity refers to a user or group.
They are sometimes referred to as grantees.
It could be in the form of:
"user-<userId>", "user-<email>", "group-<groupId>", "group-<email>",
"domain-<domain>" and "project-team-<projectId>".
Or one of the predefined constants: AllUsers, AllAuthenticatedUsers.
parent: cloud.google.com/go/storage
type: type
langs:
- go
syntax:
content: type ACLEntity <a href="https://pkg.go.dev/builtin#string">string</a>
- uid: cloud.google.com/go/storage.AllUsers,AllAuthenticatedUsers
name: AllUsers, AllAuthenticatedUsers
id: AllUsers,AllAuthenticatedUsers
parent: cloud.google.com/go/storage.ACLEntity
type: const
langs:
- go
syntax:
content: "const (\n\tAllUsers <a href=\"#cloud_google_com_go_storage_ACLEntity\">ACLEntity</a>
= \"allUsers\"\n\tAllAuthenticatedUsers <a href=\"#cloud_google_com_go_storage_ACLEntity\">ACLEntity</a>
= \"allAuthenticatedUsers\"\n)"
- uid: cloud.google.com/go/storage.ACLHandle
name: ACLHandle
id: ACLHandle
summary: |
ACLHandle provides operations on an access control list for a Google Cloud Storage bucket or object.
parent: cloud.google.com/go/storage
type: type
langs:
- go
syntax:
content: "type ACLHandle struct {\n\t// contains filtered or unexported fields\n}"
- uid: cloud.google.com/go/storage.ACLHandle.Delete
name: |
func (*ACLHandle) Delete
id: Delete
summary: |
Delete permanently deletes the ACL entry for the given entity.
parent: cloud.google.com/go/storage.ACLHandle
type: method
langs:
- go
syntax:
content: func (a *<a href="#cloud_google_com_go_storage_ACLHandle">ACLHandle</a>)
Delete(ctx <a href="https://pkg.go.dev/context">context</a>.<a href="https://pkg.go.dev/context#Context">Context</a>,
entity <a href="#cloud_google_com_go_storage_ACLEntity">ACLEntity</a>) (err
<a href="https://pkg.go.dev/builtin#error">error</a>)
codeexamples:
- content: "package main\n\nimport (\n\t\"cloud.google.com/go/storage\"\n\t\"context\"\n)\n\nfunc
main() {\n\tctx := context.Background()\n\tclient, err := storage.NewClient(ctx)\n\tif
err != nil {\n\t\t// TODO: handle error.\n\t}\n\t// No longer grant access to
the bucket to everyone on the Internet.\n\tif err := client.Bucket(\"my-bucket\").ACL().Delete(ctx,
storage.AllUsers); err != nil {\n\t\t// TODO: handle error.\n\t}\n}\n"
- uid: cloud.google.com/go/storage.ACLHandle.List
name: |
func (*ACLHandle) List
id: List
summary: |
List retrieves ACL entries.
parent: cloud.google.com/go/storage.ACLHandle
type: method
langs:
- go
syntax:
content: func (a *<a href="#cloud_google_com_go_storage_ACLHandle">ACLHandle</a>)
List(ctx <a href="https://pkg.go.dev/context">context</a>.<a href="https://pkg.go.dev/context#Context">Context</a>)
(rules []<a href="#cloud_google_com_go_storage_ACLRule">ACLRule</a>, err <a
href="https://pkg.go.dev/builtin#error">error</a>)
codeexamples:
- content: "package main\n\nimport (\n\t\"cloud.google.com/go/storage\"\n\t\"context\"\n\t\"fmt\"\n)\n\nfunc
main() {\n\tctx := context.Background()\n\tclient, err := storage.NewClient(ctx)\n\tif
err != nil {\n\t\t// TODO: handle error.\n\t}\n\t// List the default object
ACLs for my-bucket.\n\taclRules, err := client.Bucket(\"my-bucket\").DefaultObjectACL().List(ctx)\n\tif
err != nil {\n\t\t// TODO: handle error.\n\t}\n\tfmt.Println(aclRules)\n}\n"
- uid: cloud.google.com/go/storage.ACLHandle.Set
name: |
func (*ACLHandle) Set
id: Set
summary: |
Set sets the role for the given entity.
parent: cloud.google.com/go/storage.ACLHandle
type: method
langs:
- go
syntax:
content: func (a *<a href="#cloud_google_com_go_storage_ACLHandle">ACLHandle</a>)
Set(ctx <a href="https://pkg.go.dev/context">context</a>.<a href="https://pkg.go.dev/context#Context">Context</a>,
entity <a href="#cloud_google_com_go_storage_ACLEntity">ACLEntity</a>, role
<a href="#cloud_google_com_go_storage_ACLRole">ACLRole</a>) (err <a href="https://pkg.go.dev/builtin#error">error</a>)
codeexamples:
- content: "package main\n\nimport (\n\t\"cloud.google.com/go/storage\"\n\t\"context\"\n)\n\nfunc
main() {\n\tctx := context.Background()\n\tclient, err := storage.NewClient(ctx)\n\tif
err != nil {\n\t\t// TODO: handle error.\n\t}\n\t// Let any authenticated user
read my-bucket/my-object.\n\tobj := client.Bucket(\"my-bucket\").Object(\"my-object\")\n\tif
err := obj.ACL().Set(ctx, storage.AllAuthenticatedUsers, storage.RoleReader);
err != nil {\n\t\t// TODO: handle error.\n\t}\n}\n"
- uid: cloud.google.com/go/storage.ACLRole
name: ACLRole
id: ACLRole
summary: |
ACLRole is the level of access to grant.
parent: cloud.google.com/go/storage
type: type
langs:
- go
syntax:
content: type ACLRole <a href="https://pkg.go.dev/builtin#string">string</a>
- uid: cloud.google.com/go/storage.RoleOwner,RoleReader,RoleWriter
name: RoleOwner, RoleReader, RoleWriter
id: RoleOwner,RoleReader,RoleWriter
parent: cloud.google.com/go/storage.ACLRole
type: const
langs:
- go
syntax:
content: "const (\n\tRoleOwner <a href=\"#cloud_google_com_go_storage_ACLRole\">ACLRole</a>
= \"OWNER\"\n\tRoleReader <a href=\"#cloud_google_com_go_storage_ACLRole\">ACLRole</a>
= \"READER\"\n\tRoleWriter <a href=\"#cloud_google_com_go_storage_ACLRole\">ACLRole</a>
= \"WRITER\"\n)"
- uid: cloud.google.com/go/storage.ACLRule
name: ACLRule
id: ACLRule
summary: |
ACLRule represents a grant for a role to an entity (user, group or team) for a
Google Cloud Storage object or bucket.
parent: cloud.google.com/go/storage
type: type
langs:
- go
syntax:
content: "type ACLRule struct {\n\tEntity <a href=\"#cloud_google_com_go_storage_ACLEntity\">ACLEntity</a>\n\tEntityID
\ <a href=\"https://pkg.go.dev/builtin#string\">string</a>\n\tRole <a
href=\"#cloud_google_com_go_storage_ACLRole\">ACLRole</a>\n\tDomain <a
href=\"https://pkg.go.dev/builtin#string\">string</a>\n\tEmail <a href=\"https://pkg.go.dev/builtin#string\">string</a>\n\tProjectTeam
*<a href=\"#cloud_google_com_go_storage_ProjectTeam\">ProjectTeam</a>\n}"
- uid: cloud.google.com/go/storage.BucketAttrs
name: BucketAttrs
id: BucketAttrs
summary: |
BucketAttrs represents the metadata for a Google Cloud Storage bucket.
Read-only fields are ignored by BucketHandle.Create.
parent: cloud.google.com/go/storage
type: type
langs:
- go
syntax:
content: "type BucketAttrs struct {\n\t// Name is the name of the bucket.\n\t//
This field is read-only.\n\tName <a href=\"https://pkg.go.dev/builtin#string\">string</a>\n\n\t//
ACL is the list of access control rules on the bucket.\n\tACL []<a href=\"#cloud_google_com_go_storage_ACLRule\">ACLRule</a>\n\n\t//
BucketPolicyOnly is an alias for UniformBucketLevelAccess. Use of\n\t// UniformBucketLevelAccess
is recommended above the use of this field.\n\t// Setting BucketPolicyOnly.Enabled
OR UniformBucketLevelAccess.Enabled to\n\t// true, will enable UniformBucketLevelAccess.\n\tBucketPolicyOnly
<a href=\"#cloud_google_com_go_storage_BucketPolicyOnly\">BucketPolicyOnly</a>\n\n\t//
UniformBucketLevelAccess configures access checks to use only bucket-level IAM\n\t//
policies and ignore any ACL rules for the bucket.\n\t// See https://cloud.google.com/storage/docs/uniform-bucket-level-access\n\t//
for more information.\n\tUniformBucketLevelAccess <a href=\"#cloud_google_com_go_storage_UniformBucketLevelAccess\">UniformBucketLevelAccess</a>\n\n\t//
DefaultObjectACL is the list of access controls to\n\t// apply to new objects
when no object ACL is provided.\n\tDefaultObjectACL []<a href=\"#cloud_google_com_go_storage_ACLRule\">ACLRule</a>\n\n\t//
DefaultEventBasedHold is the default value for event-based hold on\n\t// newly
created objects in this bucket. It defaults to false.\n\tDefaultEventBasedHold
<a href=\"https://pkg.go.dev/builtin#bool\">bool</a>\n\n\t// If not empty, applies
a predefined set of access controls. It should be set\n\t// only when creating
a bucket.\n\t// It is always empty for BucketAttrs returned from the service.\n\t//
See https://cloud.google.com/storage/docs/json_api/v1/buckets/insert\n\t// for
valid values.\n\tPredefinedACL <a href=\"https://pkg.go.dev/builtin#string\">string</a>\n\n\t//
If not empty, applies a predefined set of default object access controls.\n\t//
It should be set only when creating a bucket.\n\t// It is always empty for BucketAttrs
returned from the service.\n\t// See https://cloud.google.com/storage/docs/json_api/v1/buckets/insert\n\t//
for valid values.\n\tPredefinedDefaultObjectACL <a href=\"https://pkg.go.dev/builtin#string\">string</a>\n\n\t//
Location is the location of the bucket. It defaults to \"US\".\n\tLocation <a
href=\"https://pkg.go.dev/builtin#string\">string</a>\n\n\t// MetaGeneration
is the metadata generation of the bucket.\n\t// This field is read-only.\n\tMetaGeneration
<a href=\"https://pkg.go.dev/builtin#int64\">int64</a>\n\n\t// StorageClass
is the default storage class of the bucket. This defines\n\t// how objects in
the bucket are stored and determines the SLA\n\t// and the cost of storage.
Typical values are \"STANDARD\", \"NEARLINE\",\n\t// \"COLDLINE\" and \"ARCHIVE\".
Defaults to \"STANDARD\".\n\t// See https://cloud.google.com/storage/docs/storage-classes
for all\n\t// valid values.\n\tStorageClass <a href=\"https://pkg.go.dev/builtin#string\">string</a>\n\n\t//
Created is the creation time of the bucket.\n\t// This field is read-only.\n\tCreated
<a href=\"https://pkg.go.dev/time\">time</a>.<a href=\"https://pkg.go.dev/time#Time\">Time</a>\n\n\t//
VersioningEnabled reports whether this bucket has versioning enabled.\n\tVersioningEnabled
<a href=\"https://pkg.go.dev/builtin#bool\">bool</a>\n\n\t// Labels are the
bucket's labels.\n\tLabels map[<a href=\"https://pkg.go.dev/builtin#string\">string</a>]<a
href=\"https://pkg.go.dev/builtin#string\">string</a>\n\n\t// RequesterPays
reports whether the bucket is a Requester Pays bucket.\n\t// Clients performing
operations on Requester Pays buckets must provide\n\t// a user project (see
BucketHandle.UserProject), which will be billed\n\t// for the operations.\n\tRequesterPays
<a href=\"https://pkg.go.dev/builtin#bool\">bool</a>\n\n\t// Lifecycle is the
lifecycle configuration for objects in the bucket.\n\tLifecycle <a href=\"#cloud_google_com_go_storage_Lifecycle\">Lifecycle</a>\n\n\t//
Retention policy enforces a minimum retention time for all objects\n\t// contained
in the bucket. A RetentionPolicy of nil implies the bucket\n\t// has no minimum
data retention.\n\t//\n\t// This feature is in private alpha release. It is
not currently available to\n\t// most customers. It might be changed in backwards-incompatible
ways and is not\n\t// subject to any SLA or deprecation policy.\n\tRetentionPolicy
*<a href=\"#cloud_google_com_go_storage_RetentionPolicy\">RetentionPolicy</a>\n\n\t//
The bucket's Cross-Origin Resource Sharing (CORS) configuration.\n\tCORS []<a
href=\"#cloud_google_com_go_storage_CORS\">CORS</a>\n\n\t// The encryption configuration
used by default for newly inserted objects.\n\tEncryption *<a href=\"#cloud_google_com_go_storage_BucketEncryption\">BucketEncryption</a>\n\n\t//
The logging configuration.\n\tLogging *<a href=\"#cloud_google_com_go_storage_BucketLogging\">BucketLogging</a>\n\n\t//
The website configuration.\n\tWebsite *<a href=\"#cloud_google_com_go_storage_BucketWebsite\">BucketWebsite</a>\n\n\t//
Etag is the HTTP/1.1 Entity tag for the bucket.\n\t// This field is read-only.\n\tEtag
<a href=\"https://pkg.go.dev/builtin#string\">string</a>\n\n\t// LocationType
describes how data is stored and replicated.\n\t// Typical values are \"multi-region\",
\"region\" and \"dual-region\".\n\t// This field is read-only.\n\tLocationType
<a href=\"https://pkg.go.dev/builtin#string\">string</a>\n}"
- uid: cloud.google.com/go/storage.BucketAttrsToUpdate
name: BucketAttrsToUpdate
id: BucketAttrsToUpdate
summary: |
BucketAttrsToUpdate define the attributes to update during an Update call.
parent: cloud.google.com/go/storage
type: type
langs:
- go
syntax:
content: "type BucketAttrsToUpdate struct {\n\t// If set, updates whether the
bucket uses versioning.\n\tVersioningEnabled <a href=\"https://pkg.go.dev/cloud.google.com/go/internal/optional\">optional</a>.<a
href=\"https://pkg.go.dev/cloud.google.com/go/internal/optional#Bool\">Bool</a>\n\n\t//
If set, updates whether the bucket is a Requester Pays bucket.\n\tRequesterPays
<a href=\"https://pkg.go.dev/cloud.google.com/go/internal/optional\">optional</a>.<a
href=\"https://pkg.go.dev/cloud.google.com/go/internal/optional#Bool\">Bool</a>\n\n\t//
DefaultEventBasedHold is the default value for event-based hold on\n\t// newly
created objects in this bucket.\n\tDefaultEventBasedHold <a href=\"https://pkg.go.dev/cloud.google.com/go/internal/optional\">optional</a>.<a
href=\"https://pkg.go.dev/cloud.google.com/go/internal/optional#Bool\">Bool</a>\n\n\t//
BucketPolicyOnly is an alias for UniformBucketLevelAccess. Use of\n\t// UniformBucketLevelAccess
is recommended above the use of this field.\n\t// Setting BucketPolicyOnly.Enabled
OR UniformBucketLevelAccess.Enabled to\n\t// true, will enable UniformBucketLevelAccess.
If both BucketPolicyOnly and\n\t// UniformBucketLevelAccess are set, the value
of UniformBucketLevelAccess\n\t// will take precedence.\n\tBucketPolicyOnly
*<a href=\"#cloud_google_com_go_storage_BucketPolicyOnly\">BucketPolicyOnly</a>\n\n\t//
UniformBucketLevelAccess configures access checks to use only bucket-level IAM\n\t//
policies and ignore any ACL rules for the bucket.\n\t// See https://cloud.google.com/storage/docs/uniform-bucket-level-access\n\t//
for more information.\n\tUniformBucketLevelAccess *<a href=\"#cloud_google_com_go_storage_UniformBucketLevelAccess\">UniformBucketLevelAccess</a>\n\n\t//
If set, updates the retention policy of the bucket. Using\n\t// RetentionPolicy.RetentionPeriod
= 0 will delete the existing policy.\n\t//\n\t// This feature is in private
alpha release. It is not currently available to\n\t// most customers. It might
be changed in backwards-incompatible ways and is not\n\t// subject to any SLA
or deprecation policy.\n\tRetentionPolicy *<a href=\"#cloud_google_com_go_storage_RetentionPolicy\">RetentionPolicy</a>\n\n\t//
If set, replaces the CORS configuration with a new configuration.\n\t// An empty
(rather than nil) slice causes all CORS policies to be removed.\n\tCORS []<a
href=\"#cloud_google_com_go_storage_CORS\">CORS</a>\n\n\t// If set, replaces
the encryption configuration of the bucket. Using\n\t// BucketEncryption.DefaultKMSKeyName
= \"\" will delete the existing\n\t// configuration.\n\tEncryption *<a href=\"#cloud_google_com_go_storage_BucketEncryption\">BucketEncryption</a>\n\n\t//
If set, replaces the lifecycle configuration of the bucket.\n\tLifecycle *<a
href=\"#cloud_google_com_go_storage_Lifecycle\">Lifecycle</a>\n\n\t// If set,
replaces the logging configuration of the bucket.\n\tLogging *<a href=\"#cloud_google_com_go_storage_BucketLogging\">BucketLogging</a>\n\n\t//
If set, replaces the website configuration of the bucket.\n\tWebsite *<a href=\"#cloud_google_com_go_storage_BucketWebsite\">BucketWebsite</a>\n\n\t//
If not empty, applies a predefined set of access controls.\n\t// See https://cloud.google.com/storage/docs/json_api/v1/buckets/patch.\n\tPredefinedACL
<a href=\"https://pkg.go.dev/builtin#string\">string</a>\n\n\t// If not empty,
applies a predefined set of default object access controls.\n\t// See https://cloud.google.com/storage/docs/json_api/v1/buckets/patch.\n\tPredefinedDefaultObjectACL
<a href=\"https://pkg.go.dev/builtin#string\">string</a>\n\t// contains filtered
or unexported fields\n}"
- uid: cloud.google.com/go/storage.BucketAttrsToUpdate.DeleteLabel
name: |
func (*BucketAttrsToUpdate) DeleteLabel
id: DeleteLabel
summary: |
DeleteLabel causes a label to be deleted when ua is used in a
call to Bucket.Update.
parent: cloud.google.com/go/storage.BucketAttrsToUpdate
type: method
langs:
- go
syntax:
content: func (ua *<a href="#cloud_google_com_go_storage_BucketAttrsToUpdate">BucketAttrsToUpdate</a>)
DeleteLabel(name <a href="https://pkg.go.dev/builtin#string">string</a>)
- uid: cloud.google.com/go/storage.BucketAttrsToUpdate.SetLabel
name: |
func (*BucketAttrsToUpdate) SetLabel
id: SetLabel
summary: |
SetLabel causes a label to be added or modified when ua is used
in a call to Bucket.Update.
parent: cloud.google.com/go/storage.BucketAttrsToUpdate
type: method
langs:
- go
syntax:
content: func (ua *<a href="#cloud_google_com_go_storage_BucketAttrsToUpdate">BucketAttrsToUpdate</a>)
SetLabel(name, value <a href="https://pkg.go.dev/builtin#string">string</a>)
- uid: cloud.google.com/go/storage.BucketConditions
name: BucketConditions
id: BucketConditions
summary: |
BucketConditions constrain bucket methods to act on specific metagenerations.
The zero value is an empty set of constraints.
parent: cloud.google.com/go/storage
type: type
langs:
- go
syntax:
content: "type BucketConditions struct {\n\t// MetagenerationMatch specifies that
the bucket must have the given\n\t// metageneration for the operation to occur.\n\t//
If MetagenerationMatch is zero, it has no effect.\n\tMetagenerationMatch <a
href=\"https://pkg.go.dev/builtin#int64\">int64</a>\n\n\t// MetagenerationNotMatch
specifies that the bucket must not have the given\n\t// metageneration for the
operation to occur.\n\t// If MetagenerationNotMatch is zero, it has no effect.\n\tMetagenerationNotMatch
<a href=\"https://pkg.go.dev/builtin#int64\">int64</a>\n}"
- uid: cloud.google.com/go/storage.BucketEncryption
name: BucketEncryption
id: BucketEncryption
summary: |
BucketEncryption is a bucket's encryption configuration.
parent: cloud.google.com/go/storage
type: type
langs:
- go
syntax:
content: "type BucketEncryption struct {\n\t// A Cloud KMS key name, in the form\n\t//
projects/P/locations/L/keyRings/R/cryptoKeys/K, that will be used to encrypt\n\t//
objects inserted into this bucket, if no encryption method is specified.\n\t//
The key's location must be the same as the bucket's.\n\tDefaultKMSKeyName <a
href=\"https://pkg.go.dev/builtin#string\">string</a>\n}"
- uid: cloud.google.com/go/storage.BucketHandle
name: BucketHandle
id: BucketHandle
summary: |
BucketHandle provides operations on a Google Cloud Storage bucket.
Use Client.Bucket to get a handle.
parent: cloud.google.com/go/storage
type: type
langs:
- go
syntax:
content: "type BucketHandle struct {\n\t// contains filtered or unexported fields\n}"
codeexamples:
- content: "package main\n\nimport (\n\t\"cloud.google.com/go/storage\"\n\t\"context\"\n\t\"fmt\"\n)\n\nfunc
main() {\n\tctx := context.Background()\n\tclient, err := storage.NewClient(ctx)\n\tif
err != nil {\n\t\t// TODO: handle error.\n\t}\n\n\tattrs, err := client.Bucket(\"my-bucket\").Attrs(ctx)\n\tif
err == storage.ErrBucketNotExist {\n\t\tfmt.Println(\"The bucket does not exist\")\n\t\treturn\n\t}\n\tif
err != nil {\n\t\t// TODO: handle error.\n\t}\n\tfmt.Printf(\"The bucket exists
and has attributes: %#v\\n\", attrs)\n}\n"
name: exists
- uid: cloud.google.com/go/storage.BucketHandle.ACL
name: |
func (*BucketHandle) ACL
id: ACL
summary: |
ACL returns an ACLHandle, which provides access to the bucket's access control list.
This controls who can list, create or overwrite the objects in a bucket.
This call does not perform any network operations.
parent: cloud.google.com/go/storage.BucketHandle
type: method
langs:
- go
syntax:
content: func (b *<a href="#cloud_google_com_go_storage_BucketHandle">BucketHandle</a>)
ACL() *<a href="#cloud_google_com_go_storage_ACLHandle">ACLHandle</a>
- uid: cloud.google.com/go/storage.BucketHandle.AddNotification
name: |
func (*BucketHandle) AddNotification
id: AddNotification
summary: |
AddNotification adds a notification to b. You must set n's TopicProjectID, TopicID
and PayloadFormat, and must not set its ID. The other fields are all optional. The
returned Notification's ID can be used to refer to it.
parent: cloud.google.com/go/storage.BucketHandle
type: method
langs:
- go
syntax:
content: func (b *<a href="#cloud_google_com_go_storage_BucketHandle">BucketHandle</a>)
AddNotification(ctx <a href="https://pkg.go.dev/context">context</a>.<a href="https://pkg.go.dev/context#Context">Context</a>,
n *<a href="#cloud_google_com_go_storage_Notification">Notification</a>) (ret
*<a href="#cloud_google_com_go_storage_Notification">Notification</a>, err <a
href="https://pkg.go.dev/builtin#error">error</a>)
codeexamples:
- content: "package main\n\nimport (\n\t\"cloud.google.com/go/storage\"\n\t\"context\"\n\t\"fmt\"\n)\n\nfunc
main() {\n\tctx := context.Background()\n\tclient, err := storage.NewClient(ctx)\n\tif
err != nil {\n\t\t// TODO: handle error.\n\t}\n\tb := client.Bucket(\"my-bucket\")\n\tn,
err := b.AddNotification(ctx, &storage.Notification{\n\t\tTopicProjectID: \"my-project\",\n\t\tTopicID:
\ \"my-topic\",\n\t\tPayloadFormat: storage.JSONPayload,\n\t})\n\tif
err != nil {\n\t\t// TODO: handle error.\n\t}\n\tfmt.Println(n.ID)\n}\n"
- uid: cloud.google.com/go/storage.BucketHandle.Attrs
name: |
func (*BucketHandle) Attrs
id: Attrs
summary: |
Attrs returns the metadata for the bucket.
parent: cloud.google.com/go/storage.BucketHandle
type: method
langs:
- go
syntax:
content: func (b *<a href="#cloud_google_com_go_storage_BucketHandle">BucketHandle</a>)
Attrs(ctx <a href="https://pkg.go.dev/context">context</a>.<a href="https://pkg.go.dev/context#Context">Context</a>)
(attrs *<a href="#cloud_google_com_go_storage_BucketAttrs">BucketAttrs</a>,
err <a href="https://pkg.go.dev/builtin#error">error</a>)
codeexamples:
- content: "package main\n\nimport (\n\t\"cloud.google.com/go/storage\"\n\t\"context\"\n\t\"fmt\"\n)\n\nfunc
main() {\n\tctx := context.Background()\n\tclient, err := storage.NewClient(ctx)\n\tif
err != nil {\n\t\t// TODO: handle error.\n\t}\n\tattrs, err := client.Bucket(\"my-bucket\").Attrs(ctx)\n\tif
err != nil {\n\t\t// TODO: handle error.\n\t}\n\tfmt.Println(attrs)\n}\n"
- uid: cloud.google.com/go/storage.BucketHandle.Create
name: |
func (*BucketHandle) Create
id: Create
summary: |
Create creates the Bucket in the project.
If attrs is nil the API defaults will be used.
parent: cloud.google.com/go/storage.BucketHandle
type: method
langs:
- go
syntax:
content: func (b *<a href="#cloud_google_com_go_storage_BucketHandle">BucketHandle</a>)
Create(ctx <a href="https://pkg.go.dev/context">context</a>.<a href="https://pkg.go.dev/context#Context">Context</a>,
projectID <a href="https://pkg.go.dev/builtin#string">string</a>, attrs *<a
href="#cloud_google_com_go_storage_BucketAttrs">BucketAttrs</a>) (err <a href="https://pkg.go.dev/builtin#error">error</a>)
codeexamples:
- content: "package main\n\nimport (\n\t\"cloud.google.com/go/storage\"\n\t\"context\"\n)\n\nfunc
main() {\n\tctx := context.Background()\n\tclient, err := storage.NewClient(ctx)\n\tif
err != nil {\n\t\t// TODO: handle error.\n\t}\n\tif err := client.Bucket(\"my-bucket\").Create(ctx,
\"my-project\", nil); err != nil {\n\t\t// TODO: handle error.\n\t}\n}\n"
- uid: cloud.google.com/go/storage.BucketHandle.DefaultObjectACL
name: |
func (*BucketHandle) DefaultObjectACL
id: DefaultObjectACL
summary: |
DefaultObjectACL returns an ACLHandle, which provides access to the bucket's default object ACLs.
These ACLs are applied to newly created objects in this bucket that do not have a defined ACL.
This call does not perform any network operations.
parent: cloud.google.com/go/storage.BucketHandle
type: method
langs:
- go
syntax:
content: func (b *<a href="#cloud_google_com_go_storage_BucketHandle">BucketHandle</a>)
DefaultObjectACL() *<a href="#cloud_google_com_go_storage_ACLHandle">ACLHandle</a>
- uid: cloud.google.com/go/storage.BucketHandle.Delete
name: |
func (*BucketHandle) Delete
id: Delete
summary: |
Delete deletes the Bucket.
parent: cloud.google.com/go/storage.BucketHandle
type: method
langs:
- go
syntax:
content: func (b *<a href="#cloud_google_com_go_storage_BucketHandle">BucketHandle</a>)
Delete(ctx <a href="https://pkg.go.dev/context">context</a>.<a href="https://pkg.go.dev/context#Context">Context</a>)
(err <a href="https://pkg.go.dev/builtin#error">error</a>)
codeexamples:
- content: "package main\n\nimport (\n\t\"cloud.google.com/go/storage\"\n\t\"context\"\n)\n\nfunc
main() {\n\tctx := context.Background()\n\tclient, err := storage.NewClient(ctx)\n\tif
err != nil {\n\t\t// TODO: handle error.\n\t}\n\tif err := client.Bucket(\"my-bucket\").Delete(ctx);
err != nil {\n\t\t// TODO: handle error.\n\t}\n}\n"
- uid: cloud.google.com/go/storage.BucketHandle.DeleteNotification
name: |
func (*BucketHandle) DeleteNotification
id: DeleteNotification
summary: |
DeleteNotification deletes the notification with the given ID.
parent: cloud.google.com/go/storage.BucketHandle
type: method
langs:
- go
syntax:
content: func (b *<a href="#cloud_google_com_go_storage_BucketHandle">BucketHandle</a>)
DeleteNotification(ctx <a href="https://pkg.go.dev/context">context</a>.<a href="https://pkg.go.dev/context#Context">Context</a>,
id <a href="https://pkg.go.dev/builtin#string">string</a>) (err <a href="https://pkg.go.dev/builtin#error">error</a>)
codeexamples:
- content: "package main\n\nimport (\n\t\"cloud.google.com/go/storage\"\n\t\"context\"\n)\n\nvar
notificationID string\n\nfunc main() {\n\tctx := context.Background()\n\tclient,
err := storage.NewClient(ctx)\n\tif err != nil {\n\t\t// TODO: handle error.\n\t}\n\tb
:= client.Bucket(\"my-bucket\")\n\t// TODO: Obtain notificationID from BucketHandle.AddNotification\n\t//
or BucketHandle.Notifications.\n\terr = b.DeleteNotification(ctx, notificationID)\n\tif
err != nil {\n\t\t// TODO: handle error.\n\t}\n}\n"
- uid: cloud.google.com/go/storage.BucketHandle.IAM
name: |
func (*BucketHandle) IAM
id: IAM
summary: |
IAM provides access to IAM access control for the bucket.
parent: cloud.google.com/go/storage.BucketHandle
type: method
langs:
- go
syntax:
content: func (b *<a href="#cloud_google_com_go_storage_BucketHandle">BucketHandle</a>)
IAM() *<a href="/go/docs/reference/cloud.google.com/go/latest/iam">iam</a>.<a
href="/go/docs/reference/cloud.google.com/go/latest/iam#cloud_google_com_go_iam_Handle">Handle</a>
- uid: cloud.google.com/go/storage.BucketHandle.If
name: |
func (*BucketHandle) If
id: If
summary: |
If returns a new BucketHandle that applies a set of preconditions.
Preconditions already set on the BucketHandle are ignored.
Operations on the new handle will return an error if the preconditions are not
satisfied. The only valid preconditions for buckets are MetagenerationMatch
and MetagenerationNotMatch.
parent: cloud.google.com/go/storage.BucketHandle
type: method
langs:
- go
syntax:
content: func (b *<a href="#cloud_google_com_go_storage_BucketHandle">BucketHandle</a>)
If(conds <a href="#cloud_google_com_go_storage_BucketConditions">BucketConditions</a>)
*<a href="#cloud_google_com_go_storage_BucketHandle">BucketHandle</a>
- uid: cloud.google.com/go/storage.BucketHandle.LockRetentionPolicy
name: |
func (*BucketHandle) LockRetentionPolicy
id: LockRetentionPolicy
summary: |
LockRetentionPolicy locks a bucket's retention policy until a previously-configured
RetentionPeriod past the EffectiveTime. Note that if RetentionPeriod is set to less
than a day, the retention policy is treated as a development configuration and locking
will have no effect. The BucketHandle must have a metageneration condition that
matches the bucket's metageneration. See BucketHandle.If.
This feature is in private alpha release. It is not currently available to
most customers. It might be changed in backwards-incompatible ways and is not
subject to any SLA or deprecation policy.
parent: cloud.google.com/go/storage.BucketHandle
type: method
langs:
- go
syntax:
content: func (b *<a href="#cloud_google_com_go_storage_BucketHandle">BucketHandle</a>)
LockRetentionPolicy(ctx <a href="https://pkg.go.dev/context">context</a>.<a
href="https://pkg.go.dev/context#Context">Context</a>) <a href="https://pkg.go.dev/builtin#error">error</a>
codeexamples:
- content: "package main\n\nimport (\n\t\"cloud.google.com/go/storage\"\n\t\"context\"\n)\n\nfunc
main() {\n\tctx := context.Background()\n\tclient, err := storage.NewClient(ctx)\n\tif
err != nil {\n\t\t// TODO: handle error.\n\t}\n\tb := client.Bucket(\"my-bucket\")\n\tattrs,
err := b.Attrs(ctx)\n\tif err != nil {\n\t\t// TODO: handle error.\n\t}\n\t//
Note that locking the bucket without first attaching a RetentionPolicy\n\t//
that's at least 1 day is a no-op\n\terr = b.If(storage.BucketConditions{MetagenerationMatch:
attrs.MetaGeneration}).LockRetentionPolicy(ctx)\n\tif err != nil {\n\t\t// TODO:
handle err\n\t}\n}\n"
- uid: cloud.google.com/go/storage.BucketHandle.Notifications
name: |
func (*BucketHandle) Notifications
id: Notifications
summary: |
Notifications returns all the Notifications configured for this bucket, as a map
indexed by notification ID.
parent: cloud.google.com/go/storage.BucketHandle
type: method
langs:
- go
syntax:
content: func (b *<a href="#cloud_google_com_go_storage_BucketHandle">BucketHandle</a>)
Notifications(ctx <a href="https://pkg.go.dev/context">context</a>.<a href="https://pkg.go.dev/context#Context">Context</a>)
(n map[<a href="https://pkg.go.dev/builtin#string">string</a>]*<a href="#cloud_google_com_go_storage_Notification">Notification</a>,
err <a href="https://pkg.go.dev/builtin#error">error</a>)
codeexamples:
- content: "package main\n\nimport (\n\t\"cloud.google.com/go/storage\"\n\t\"context\"\n\t\"fmt\"\n)\n\nfunc
main() {\n\tctx := context.Background()\n\tclient, err := storage.NewClient(ctx)\n\tif
err != nil {\n\t\t// TODO: handle error.\n\t}\n\tb := client.Bucket(\"my-bucket\")\n\tns,
err := b.Notifications(ctx)\n\tif err != nil {\n\t\t// TODO: handle error.\n\t}\n\tfor
id, n := range ns {\n\t\tfmt.Printf(\"%s: %+v\\n\", id, n)\n\t}\n}\n"
- uid: cloud.google.com/go/storage.BucketHandle.Object
name: |
func (*BucketHandle) Object
id: Object
summary: |
Object returns an ObjectHandle, which provides operations on the named object.
This call does not perform any network operations.
name must consist entirely of valid UTF-8-encoded runes. The full specification
for valid object names can be found at:
https://cloud.google.com/storage/docs/bucket-naming
parent: cloud.google.com/go/storage.BucketHandle
type: method
langs:
- go
syntax:
content: func (b *<a href="#cloud_google_com_go_storage_BucketHandle">BucketHandle</a>)
Object(name <a href="https://pkg.go.dev/builtin#string">string</a>) *<a href="#cloud_google_com_go_storage_ObjectHandle">ObjectHandle</a>
- uid: cloud.google.com/go/storage.BucketHandle.Objects
name: |
func (*BucketHandle) Objects
id: Objects
summary: |
Objects returns an iterator over the objects in the bucket that match the Query q.
If q is nil, no filtering is done.
Note: The returned iterator is not safe for concurrent operations without explicit synchronization.
parent: cloud.google.com/go/storage.BucketHandle
type: method
langs:
- go
syntax:
content: func (b *<a href="#cloud_google_com_go_storage_BucketHandle">BucketHandle</a>)
Objects(ctx <a href="https://pkg.go.dev/context">context</a>.<a href="https://pkg.go.dev/context#Context">Context</a>,
q *<a href="#cloud_google_com_go_storage_Query">Query</a>) *<a href="#cloud_google_com_go_storage_ObjectIterator">ObjectIterator</a>
codeexamples:
- content: "package main\n\nimport (\n\t\"cloud.google.com/go/storage\"\n\t\"context\"\n)\n\nfunc
main() {\n\tctx := context.Background()\n\tclient, err := storage.NewClient(ctx)\n\tif
err != nil {\n\t\t// TODO: handle error.\n\t}\n\tit := client.Bucket(\"my-bucket\").Objects(ctx,
nil)\n\t_ = it // TODO: iterate using Next or iterator.Pager.\n}\n"
- uid: cloud.google.com/go/storage.BucketHandle.Update
name: |
func (*BucketHandle) Update
id: Update
summary: |
Update updates a bucket's attributes.
parent: cloud.google.com/go/storage.BucketHandle
type: method
langs:
- go
syntax:
content: func (b *<a href="#cloud_google_com_go_storage_BucketHandle">BucketHandle</a>)
Update(ctx <a href="https://pkg.go.dev/context">context</a>.<a href="https://pkg.go.dev/context#Context">Context</a>,
uattrs <a href="#cloud_google_com_go_storage_BucketAttrsToUpdate">BucketAttrsToUpdate</a>)
(attrs *<a href="#cloud_google_com_go_storage_BucketAttrs">BucketAttrs</a>,
err <a href="https://pkg.go.dev/builtin#error">error</a>)
codeexamples:
- content: "package main\n\nimport (\n\t\"cloud.google.com/go/storage\"\n\t\"context\"\n\t\"fmt\"\n)\n\nfunc
main() {\n\tctx := context.Background()\n\tclient, err := storage.NewClient(ctx)\n\tif
err != nil {\n\t\t// TODO: handle error.\n\t}\n\t// Enable versioning in the
bucket, regardless of its previous value.\n\tattrs, err := client.Bucket(\"my-bucket\").Update(ctx,\n\t\tstorage.BucketAttrsToUpdate{VersioningEnabled:
true})\n\tif err != nil {\n\t\t// TODO: handle error.\n\t}\n\tfmt.Println(attrs)\n}\n"
- content: "package main\n\nimport (\n\t\"cloud.google.com/go/storage\"\n\t\"context\"\n\t\"fmt\"\n)\n\nfunc
main() {\n\tctx := context.Background()\n\tclient, err := storage.NewClient(ctx)\n\tif
err != nil {\n\t\t// TODO: handle error.\n\t}\n\tb := client.Bucket(\"my-bucket\")\n\tattrs,
err := b.Attrs(ctx)\n\tif err != nil {\n\t\t// TODO: handle error.\n\t}\n\tvar
au storage.BucketAttrsToUpdate\n\tau.SetLabel(\"lab\", attrs.Labels[\"lab\"]+\"-more\")\n\tif
attrs.Labels[\"delete-me\"] == \"yes\" {\n\t\tau.DeleteLabel(\"delete-me\")\n\t}\n\tattrs,
err = b.\n\t\tIf(storage.BucketConditions{MetagenerationMatch: attrs.MetaGeneration}).\n\t\tUpdate(ctx,
au)\n\tif err != nil {\n\t\t// TODO: handle error.\n\t}\n\tfmt.Println(attrs)\n}\n"
name: readModifyWrite
- uid: cloud.google.com/go/storage.BucketHandle.UserProject
name: |
func (*BucketHandle) UserProject
id: UserProject
summary: |
UserProject returns a new BucketHandle that passes the project ID as the user
project for all subsequent calls. Calls with a user project will be billed to that
project rather than to the bucket's owning project.
A user project is required for all operations on Requester Pays buckets.
parent: cloud.google.com/go/storage.BucketHandle
type: method
langs:
- go
syntax:
content: func (b *<a href="#cloud_google_com_go_storage_BucketHandle">BucketHandle</a>)
UserProject(projectID <a href="https://pkg.go.dev/builtin#string">string</a>)
*<a href="#cloud_google_com_go_storage_BucketHandle">BucketHandle</a>
- uid: cloud.google.com/go/storage.BucketIterator
name: BucketIterator
id: BucketIterator
summary: |
A BucketIterator is an iterator over BucketAttrs.
Note: This iterator is not safe for concurrent operations without explicit synchronization.
parent: cloud.google.com/go/storage
type: type
langs:
- go
syntax:
content: "type BucketIterator struct {\n\t// Prefix restricts the iterator to
buckets whose names begin with it.\n\tPrefix <a href=\"https://pkg.go.dev/builtin#string\">string</a>\n\t//
contains filtered or unexported fields\n}"
- uid: cloud.google.com/go/storage.BucketIterator.Next
name: |
func (*BucketIterator) Next
id: Next
summary: |
Next returns the next result. Its second return value is iterator.Done if
there are no more results. Once Next returns iterator.Done, all subsequent
calls will return iterator.Done.
Note: This method is not safe for concurrent operations without explicit synchronization.
parent: cloud.google.com/go/storage.BucketIterator
type: method
langs:
- go
syntax:
content: func (it *<a href="#cloud_google_com_go_storage_BucketIterator">BucketIterator</a>)
Next() (*<a href="#cloud_google_com_go_storage_BucketAttrs">BucketAttrs</a>,
<a href="https://pkg.go.dev/builtin#error">error</a>)
codeexamples:
- content: "package main\n\nimport (\n\t\"cloud.google.com/go/storage\"\n\t\"context\"\n\t\"fmt\"\n\t\"google.golang.org/api/iterator\"\n)\n\nfunc
main() {\n\tctx := context.Background()\n\tclient, err := storage.NewClient(ctx)\n\tif
err != nil {\n\t\t// TODO: handle error.\n\t}\n\tit := client.Buckets(ctx, \"my-project\")\n\tfor
{\n\t\tbucketAttrs, err := it.Next()\n\t\tif err == iterator.Done {\n\t\t\tbreak\n\t\t}\n\t\tif
err != nil {\n\t\t\t// TODO: Handle error.\n\t\t}\n\t\tfmt.Println(bucketAttrs)\n\t}\n}\n"
- uid: cloud.google.com/go/storage.BucketIterator.PageInfo
name: |
func (*BucketIterator) PageInfo
id: PageInfo
summary: |
PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
Note: This method is not safe for concurrent operations without explicit synchronization.