minio

package
v0.0.0-...-cfb6c76 Latest Latest
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 Go to latest Published: Jun 14, 2019 License: Apache-2.0 Imports: 39 Imported by: 0

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Index

Constants

View Source 
const DefaultRetryCap = time.Second * 30

DefaultRetryCap - Each retry attempt never waits no longer than this maximum time duration.

View Source 
const DefaultRetryUnit = time.Second

DefaultRetryUnit - default unit multiplicative per retry. defaults to 1 second.

View Source 
const MaxJitter = 1.0

MaxJitter will randomize over the full exponential backoff time

View Source 
const NoJitter = 0.0

NoJitter disables the use of jitter for randomizing the exponential backoff time

Variables

View Source 
var ErrInvalidObjectPrefix = ErrInvalidObjectName

ErrInvalidObjectPrefix - Invalid object prefix response is similar to object name response.

View Source 
var MaxRetry = 10

MaxRetry is the maximum number of retries before stopping.

Functions

func Debug 

func Debug()

Debug - entry.

func ErrAPINotSupported 

func ErrAPINotSupported(message string) error

ErrAPINotSupported - API not supported response The specified API call is not supported

func ErrEntityTooLarge 

func ErrEntityTooLarge(totalSize, maxObjectSize int64, bucketName, objectName string) error

ErrEntityTooLarge - Input size is larger than supported maximum.

func ErrEntityTooSmall 

func ErrEntityTooSmall(totalSize int64, bucketName, objectName string) error

ErrEntityTooSmall - Input size is smaller than supported minimum.

func ErrInvalidArgument 

func ErrInvalidArgument(message string) error

ErrInvalidArgument - Invalid argument response.

func ErrInvalidBucketName 

func ErrInvalidBucketName(message string) error

ErrInvalidBucketName - Invalid bucket name response.

func ErrInvalidObjectName 

func ErrInvalidObjectName(message string) error

ErrInvalidObjectName - Invalid object name response.

func ErrNoSuchBucketPolicy 

func ErrNoSuchBucketPolicy(message string) error

ErrNoSuchBucketPolicy - No Such Bucket Policy response The specified bucket does not have a bucket policy.

func ErrTransferAccelerationBucket 

func ErrTransferAccelerationBucket(bucketName string) error

ErrTransferAccelerationBucket - bucket name is invalid to be used with transfer acceleration.

func ErrUnexpectedEOF 

func ErrUnexpectedEOF(totalRead, totalSize int64, bucketName, objectName string) error

ErrUnexpectedEOF - Unexpected end of file reached.

Types

type BucketInfo 

type BucketInfo struct {
	// The name of the bucket.
	Name string `json:"name"`
	// Date the bucket was created.
	CreationDate time.Time `json:"creationDate"`
}

BucketInfo container for bucket metadata.

type BucketLookupType 

type BucketLookupType int

BucketLookupType is type of url lookup supported by server. 

const (
	BucketLookupAuto BucketLookupType = iota
	BucketLookupDNS
	BucketLookupPath
)

Different types of url lookup supported by the server.Initialized to BucketLookupAuto

type Client 

type Client struct {
	// contains filtered or unexported fields
}

Client implements Amazon S3 compatible methods.

func New 

func New(endpoint, accessKeyID, secretAccessKey string, secure bool) (*Client, error)

New - instantiate minio client, adds automatic verification of signature.

func NewV2 

func NewV2(endpoint string, accessKeyID, secretAccessKey string, secure bool) (*Client, error)

NewV2 - instantiate minio client with Amazon S3 signature version '2' compatibility.

func NewV4 

func NewV4(endpoint string, accessKeyID, secretAccessKey string, secure bool) (*Client, error)

NewV4 - instantiate minio client with Amazon S3 signature version '4' compatibility.

func NewWithCredentials 

func NewWithCredentials(endpoint string, creds *credentials.Credentials, secure bool, region string) (*Client, error)

NewWithCredentials - instantiate minio client with credentials provider for retrieving credentials from various credentials provider such as IAM, File, Env etc.

func NewWithOptions 

func NewWithOptions(endpoint string, opts *Options) (*Client, error)

NewWithOptions - instantiate minio client with options

func NewWithRegion 

func NewWithRegion(endpoint, accessKeyID, secretAccessKey string, secure bool, region string) (*Client, error)

NewWithRegion - instantiate minio client, with region configured. Unlike New(), NewWithRegion avoids bucket-location lookup operations and it is slightly faster. Use this function when if your application deals with single region.

func (Client) BucketExists 

func (c Client) BucketExists(bucketName string) (bool, error)

BucketExists verify if bucket exists and you have permission to access it.

func (Client) CopyObject 

func (c Client) CopyObject(dst DestinationInfo, src SourceInfo) error

CopyObject - copy a source object into a new object

func (Client) CopyObjectWithProgress 

func (c Client) CopyObjectWithProgress(dst DestinationInfo, src SourceInfo, progress io.Reader) error

CopyObjectWithProgress - copy a source object into a new object, optionally takes progress bar input to notify current progress.

func (Client) FGetObject 

func (c Client) FGetObject(bucketName, objectName, filePath string, opts GetObjectOptions) error

FGetObject - download contents of an object to a local file.

func (Client) FGetObjectWithContext 

func (c Client) FGetObjectWithContext(ctx context.Context, bucketName, objectName, filePath string, opts GetObjectOptions) error

FGetObjectWithContext - download contents of an object to a local file. The options can be used to specify the GET request further.

func (Client) FPutObject 

func (c Client) FPutObject(bucketName, objectName, filePath string, opts PutObjectOptions) (n int64, err error)

FPutObject - Create an object in a bucket, with contents from file at filePath

func (Client) GetBucketLocation 

func (c Client) GetBucketLocation(bucketName string) (string, error)

GetBucketLocation - get location for the bucket name from location cache, if not fetch freshly by making a new request.

func (Client) GetBucketPolicy 

func (c Client) GetBucketPolicy(bucketName string) (string, error)

GetBucketPolicy - get bucket policy at a given path.

func (Client) GetObject 

func (c Client) GetObject(bucketName, objectName string, opts GetObjectOptions) (*Object, error)

GetObject - returns an seekable, readable object.

func (Client) ListBuckets 

func (c Client) ListBuckets() ([]BucketInfo, error)

ListBuckets list all buckets owned by this authenticated user.

This call requires explicit authentication, no anonymous requests are allowed for listing buckets. 

api := client.New(....)
for message := range api.ListBuckets() {
    fmt.Println(message)
}

func (Client) ListIncompleteUploads 

func (c Client) ListIncompleteUploads(bucketName, objectPrefix string, recursive bool, doneCh <-chan struct{}) <-chan ObjectMultipartInfo

ListIncompleteUploads - List incompletely uploaded multipart objects.

ListIncompleteUploads lists all incompleted objects matching the objectPrefix from the specified bucket. If recursion is enabled it would list all subdirectories and all its contents.

Your input parameters are just bucketName, objectPrefix, recursive and a done channel to pro-actively close the internal go routine. If you enable recursive as 'true' this function will return back all the multipart objects in a given bucket name. 

api := client.New(....)
// Create a done channel.
doneCh := make(chan struct{})
defer close(doneCh)
// Recurively list all objects in 'mytestbucket'
recursive := true
for message := range api.ListIncompleteUploads("mytestbucket", "starthere", recursive) {
    fmt.Println(message)
}

func (Client) ListObjects 

func (c Client) ListObjects(bucketName, objectPrefix string, recursive bool, doneCh <-chan struct{}) <-chan ObjectInfo

ListObjects - (List Objects) - List some objects or all recursively.

ListObjects lists all objects matching the objectPrefix from the specified bucket. If recursion is enabled it would list all subdirectories and all its contents.

Your input parameters are just bucketName, objectPrefix, recursive and a done channel for pro-actively closing the internal go routine. If you enable recursive as 'true' this function will return back all the objects in a given bucket name and object prefix. 

api := client.New(....)
// Create a done channel.
doneCh := make(chan struct{})
defer close(doneCh)
// Recurively list all objects in 'mytestbucket'
recursive := true
for message := range api.ListObjects("mytestbucket", "starthere", recursive, doneCh) {
    fmt.Println(message)
}

func (Client) ListObjectsV2 

func (c Client) ListObjectsV2(bucketName, objectPrefix string, recursive bool, doneCh <-chan struct{}) <-chan ObjectInfo

ListObjectsV2 lists all objects matching the objectPrefix from the specified bucket. If recursion is enabled it would list all subdirectories and all its contents.

Your input parameters are just bucketName, objectPrefix, recursive and a done channel for pro-actively closing the internal go routine. If you enable recursive as 'true' this function will return back all the objects in a given bucket name and object prefix. 

api := client.New(....)
// Create a done channel.
doneCh := make(chan struct{})
defer close(doneCh)
// Recursively list all objects in 'mytestbucket'
recursive := true
for message := range api.ListObjectsV2("mytestbucket", "starthere", recursive, doneCh) {
    fmt.Println(message)
}

func (Client) MakeBucket 

func (c Client) MakeBucket(bucketName string, location string) (err error)

MakeBucket creates a new bucket with bucketName.

Location is an optional argument, by default all buckets are created in US Standard Region.

For Amazon S3 for more supported regions - http://docs.aws.amazon.com/general/latest/gr/rande.html For Google Cloud Storage for more supported regions - https://cloud.google.com/storage/docs/bucket-locations

func (Client) Presign 

func (c Client) Presign(method string, bucketName string, objectName string, expires time.Duration, reqParams url.Values) (u *url.URL, err error)

Presign - returns a presigned URL for any http method of your choice along with custom request params. URL can have a maximum expiry of upto 7days or a minimum of 1sec.

func (Client) PresignedGetObject 

func (c Client) PresignedGetObject(bucketName string, objectName string, expires time.Duration, reqParams url.Values) (u *url.URL, err error)

PresignedGetObject - Returns a presigned URL to access an object data without credentials. URL can have a maximum expiry of upto 7days or a minimum of 1sec. Additionally you can override a set of response headers using the query parameters.

func (Client) PresignedHeadObject 

func (c Client) PresignedHeadObject(bucketName string, objectName string, expires time.Duration, reqParams url.Values) (u *url.URL, err error)

PresignedHeadObject - Returns a presigned URL to access object metadata without credentials. URL can have a maximum expiry of upto 7days or a minimum of 1sec. Additionally you can override a set of response headers using the query parameters.

func (Client) PresignedPostPolicy 

func (c Client) PresignedPostPolicy(p *PostPolicy) (u *url.URL, formData map[string]string, err error)

PresignedPostPolicy - Returns POST urlString, form data to upload an object.

func (Client) PresignedPutObject 

func (c Client) PresignedPutObject(bucketName string, objectName string, expires time.Duration) (u *url.URL, err error)

PresignedPutObject - Returns a presigned URL to upload an object without credentials. URL can have a maximum expiry of upto 7days or a minimum of 1sec.

func (Client) PutObject 

func (c Client) PutObject(bucketName, objectName string, reader io.Reader, objectSize int64,
	opts PutObjectOptions) (n int64, err error)

PutObject creates an object in a bucket.

You must have WRITE permissions on a bucket to create an object.

  • For size smaller than 128MiB PutObject automatically does a single atomic Put operation.
  • For size larger than 128MiB PutObject automatically does a multipart Put operation.
  • For size input as -1 PutObject does a multipart Put operation until input stream reaches EOF. Maximum object size that can be uploaded through this operation will be 5TiB.

func (Client) RemoveAllBucketNotification 

func (c Client) RemoveAllBucketNotification(bucketName string) error

RemoveAllBucketNotification - Remove bucket notification clears all previously specified config

func (Client) RemoveBucket 

func (c Client) RemoveBucket(bucketName string) error

RemoveBucket deletes the bucket name. 

All objects (including all object versions and delete markers).
in the bucket must be deleted before successfully attempting this request.

func (Client) RemoveIncompleteUpload 

func (c Client) RemoveIncompleteUpload(bucketName, objectName string) error

RemoveIncompleteUpload aborts an partially uploaded object.

func (Client) RemoveObject 

func (c Client) RemoveObject(bucketName, objectName string) error

RemoveObject remove an object from a bucket.

func (Client) RemoveObjects 

func (c Client) RemoveObjects(bucketName string, objectsCh <-chan string) <-chan RemoveObjectError

RemoveObjects removes multiple objects from a bucket. The list of objects to remove are received from objectsCh. Remove failures are sent back via error channel.

func (Client) RemoveObjectsWithContext 

func (c Client) RemoveObjectsWithContext(ctx context.Context, bucketName string, objectsCh <-chan string) <-chan RemoveObjectError

RemoveObjectsWithContext - Identical to RemoveObjects call, but accepts context to facilitate request cancellation.

func (*Client) SetAppInfo 

func (c *Client) SetAppInfo(appName string, appVersion string)

SetAppInfo - add application details to user agent.

func (Client) SetBucketLifecycle 

func (c Client) SetBucketLifecycle(bucketName, lifecycle string) error

SetBucketLifecycle set the lifecycle on an existing bucket.

func (Client) SetBucketNotification 

func (c Client) SetBucketNotification(bucketName string, bucketNotification BucketNotification) error

SetBucketNotification saves a new bucket notification.

func (Client) SetBucketPolicy 

func (c Client) SetBucketPolicy(bucketName, policy string) error

SetBucketPolicy set the access permissions on an existing bucket.

func (*Client) SetCustomTransport 

func (c *Client) SetCustomTransport(customHTTPTransport http.RoundTripper)

SetCustomTransport - set new custom transport.

func (*Client) SetS3TransferAccelerate 

func (c *Client) SetS3TransferAccelerate(accelerateEndpoint string)

SetS3TransferAccelerate - turns s3 accelerated endpoint on or off for all your requests. This feature is only specific to S3 for all other endpoints this function does nothing. To read further details on s3 transfer acceleration please vist - http://docs.aws.amazon.com/AmazonS3/latest/dev/transfer-acceleration.html

func (Client) StatObject 

func (c Client) StatObject(bucketName, objectName string, opts StatObjectOptions) (ObjectInfo, error)

StatObject verifies if object exists and you have permission to access.

func (*Client) TraceErrorsOnlyOff 

func (c *Client) TraceErrorsOnlyOff()

TraceErrorsOnlyOff - Turns off the errors only tracing and everything will be traced after this call. If all tracing needs to be turned off, call TraceOff().

func (*Client) TraceErrorsOnlyOn 

func (c *Client) TraceErrorsOnlyOn(outputStream io.Writer)

TraceErrorsOnlyOn - same as TraceOn, but only errors will be traced.

func (*Client) TraceOff 

func (c *Client) TraceOff()

TraceOff - disable HTTP tracing.

func (*Client) TraceOn 

func (c *Client) TraceOn(outputStream io.Writer)

TraceOn - enable HTTP tracing.

type CommonPrefix 

type CommonPrefix struct {
	Prefix string
}

CommonPrefix container for prefix response.

type CompletePart 

type CompletePart struct {
	XMLName xml.Name `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Part" json:"-"`

	// Part number identifies the part.
	PartNumber int
	ETag       string
}

CompletePart sub container lists individual part numbers and their md5sum, part of completeMultipartUpload.

type ErrorResponse 

type ErrorResponse struct {
	XMLName    xml.Name `xml:"Error" json:"-"`
	Code       string
	Message    string
	BucketName string
	Key        string
	RequestID  string `xml:"RequestId"`
	HostID     string `xml:"HostId"`

	// Region where the bucket is located. This header is returned
	// only in HEAD bucket and ListObjects response.
	Region string

	// Underlying HTTP status code for the returned error
	StatusCode int `xml:"-" json:"-"`
}

ErrorResponse - Is the typed error returned by all API operations. ErrorResponse struct should be comparable since it is compared inside golang http API (https://github.com/golang/go/issues/29768)

func ToErrorResponse 

func ToErrorResponse(err error) ErrorResponse

ToErrorResponse - Returns parsed ErrorResponse struct from body and http headers.

For example: 

import s3 "github.com/minio/minio-go/v6"
...
...
reader, stat, err := s3.GetObject(...)
if err != nil {
   resp := s3.ToErrorResponse(err)
}
...

func (ErrorResponse) Error 

func (e ErrorResponse) Error() string

Error - Returns S3 error string.

type ListBucketResult 

type ListBucketResult struct {
	// A response can contain CommonPrefixes only if you have
	// specified a delimiter.
	CommonPrefixes []CommonPrefix
	// Metadata about each object returned.
	Contents  []ObjectInfo
	Delimiter string

	// Encoding type used to encode object keys in the response.
	EncodingType string

	// A flag that indicates whether or not ListObjects returned all of the results
	// that satisfied the search criteria.
	IsTruncated bool
	Marker      string
	MaxKeys     int64
	Name        string

	// When response is truncated (the IsTruncated element value in
	// the response is true), you can use the key name in this field
	// as marker in the subsequent request to get next set of objects.
	// Object storage lists objects in alphabetical order Note: This
	// element is returned only if you have delimiter request
	// parameter specified. If response does not include the NextMaker
	// and it is truncated, you can use the value of the last Key in
	// the response as the marker in the subsequent request to get the
	// next set of object keys.
	NextMarker string
	Prefix     string
}

ListBucketResult container for listObjects response.

type ListBucketV2Result 

type ListBucketV2Result struct {
	// A response can contain CommonPrefixes only if you have
	// specified a delimiter.
	CommonPrefixes []CommonPrefix
	// Metadata about each object returned.
	Contents  []ObjectInfo
	Delimiter string

	// Encoding type used to encode object keys in the response.
	EncodingType string

	// A flag that indicates whether or not ListObjects returned all of the results
	// that satisfied the search criteria.
	IsTruncated bool
	MaxKeys     int64
	Name        string

	// Hold the token that will be sent in the next request to fetch the next group of keys
	NextContinuationToken string

	ContinuationToken string
	Prefix            string

	// FetchOwner and StartAfter are currently not used
	FetchOwner string
	StartAfter string
}

ListBucketV2Result container for listObjects response version 2.

type ListMultipartUploadsResult 

type ListMultipartUploadsResult struct {
	Bucket             string
	KeyMarker          string
	UploadIDMarker     string `xml:"UploadIdMarker"`
	NextKeyMarker      string
	NextUploadIDMarker string `xml:"NextUploadIdMarker"`
	EncodingType       string
	MaxUploads         int64
	IsTruncated        bool
	Uploads            []ObjectMultipartInfo `xml:"Upload"`
	Prefix             string
	Delimiter          string
	// A response can contain CommonPrefixes only if you specify a delimiter.
	CommonPrefixes []CommonPrefix
}

ListMultipartUploadsResult container for ListMultipartUploads response

type ListObjectPartsResult 

type ListObjectPartsResult struct {
	Bucket   string
	Key      string
	UploadID string `xml:"UploadId"`

	Initiator initiator
	Owner     owner

	StorageClass         string
	PartNumberMarker     int
	NextPartNumberMarker int
	MaxParts             int

	// Indicates whether the returned list of parts is truncated.
	IsTruncated bool
	ObjectParts []ObjectPart `xml:"Part"`

	EncodingType string
}

ListObjectPartsResult container for ListObjectParts response.

type Object 

type Object struct {
	// contains filtered or unexported fields
}

Object represents an open object. It implements Reader, ReaderAt, Seeker, Closer for a HTTP stream.

func (*Object) Close 

func (o *Object) Close() (err error)

Close - The behavior of Close after the first call returns error for subsequent Close() calls.

func (*Object) Read 

func (o *Object) Read(b []byte) (n int, err error)

Read reads up to len(b) bytes into b. It returns the number of bytes read (0 <= n <= len(b)) and any error encountered. Returns io.EOF upon end of file.

func (*Object) ReadAt 

func (o *Object) ReadAt(b []byte, offset int64) (n int, err error)

ReadAt reads len(b) bytes from the File starting at byte offset off. It returns the number of bytes read and the error, if any. ReadAt always returns a non-nil error when n < len(b). At end of file, that error is io.EOF.

func (*Object) Seek 

func (o *Object) Seek(offset int64, whence int) (n int64, err error)

Seek sets the offset for the next Read or Write to offset, interpreted according to whence: 0 means relative to the origin of the file, 1 means relative to the current offset, and 2 means relative to the end. Seek returns the new offset and an error, if any.

Seeking to a negative offset is an error. Seeking to any positive offset is legal, subsequent io operations succeed until the underlying object is not closed.

func (*Object) Stat 

func (o *Object) Stat() (ObjectInfo, error)

Stat returns the ObjectInfo structure describing Object.

type ObjectInfo 

type ObjectInfo struct {
	// An ETag is optionally set to md5sum of an object.  In case of multipart objects,
	// ETag is of the form MD5SUM-N where MD5SUM is md5sum of all individual md5sums of
	// each parts concatenated into one string.
	ETag string `json:"etag"`

	Key          string    `json:"name"`         // Name of the object
	LastModified time.Time `json:"lastModified"` // Date and time the object was last modified.
	Size         int64     `json:"size"`         // Size in bytes of the object.
	ContentType  string    `json:"contentType"`  // A standard MIME type describing the format of the object data.
	Expires      time.Time `json:"expires"`      // The date and time at which the object is no longer able to be cached.

	// Collection of additional metadata on the object.
	// eg: x-amz-meta-*, content-encoding etc.
	Metadata http.Header `json:"metadata" xml:"-"`

	// Owner name.
	Owner struct {
		DisplayName string `json:"name"`
		ID          string `json:"id"`
	} `json:"owner"`

	// The class of storage used to store the object.
	StorageClass string `json:"storageClass"`

	// Error
	Err error `json:"-"`
}

ObjectInfo container for object metadata.

type ObjectMultipartInfo 

type ObjectMultipartInfo struct {
	// Date and time at which the multipart upload was initiated.
	Initiated time.Time `type:"timestamp" timestampFormat:"iso8601"`

	Initiator initiator
	Owner     owner

	// The type of storage to use for the object. Defaults to 'STANDARD'.
	StorageClass string

	// Key of the object for which the multipart upload was initiated.
	Key string

	// Size in bytes of the object.
	Size int64

	// Upload ID that identifies the multipart upload.
	UploadID string `xml:"UploadId"`

	// Error
	Err error
}

ObjectMultipartInfo container for multipart object metadata.

type ObjectPart 

type ObjectPart struct {
	// Part number identifies the part.
	PartNumber int

	// Date and time the part was uploaded.
	LastModified time.Time

	// Entity tag returned when the part was uploaded, usually md5sum
	// of the part.
	ETag string

	// Size of the uploaded part data.
	Size int64
}

ObjectPart container for particular part of an object.

type Options 

type Options struct {
	Creds        *credentials.Credentials
	Secure       bool
	Region       string
	BucketLookup BucketLookupType
}

Options for New method

type PostPolicy 

type PostPolicy struct {
	// contains filtered or unexported fields
}

PostPolicy - Provides strict static type conversion and validation for Amazon S3's POST policy JSON string.

func NewPostPolicy 

func NewPostPolicy() *PostPolicy

NewPostPolicy - Instantiate new post policy.

func (*PostPolicy) SetBucket 

func (p *PostPolicy) SetBucket(bucketName string) error

SetBucket - Sets bucket at which objects will be uploaded to.

func (*PostPolicy) SetContentLengthRange 

func (p *PostPolicy) SetContentLengthRange(min, max int64) error

SetContentLengthRange - Set new min and max content length condition for all incoming uploads.

func (*PostPolicy) SetContentType 

func (p *PostPolicy) SetContentType(contentType string) error

SetContentType - Sets content-type of the object for this policy based upload.

func (*PostPolicy) SetExpires 

func (p *PostPolicy) SetExpires(t time.Time) error

SetExpires - Sets expiration time for the new policy.

func (*PostPolicy) SetKey 

func (p *PostPolicy) SetKey(key string) error

SetKey - Sets an object name for the policy based upload.

func (*PostPolicy) SetKeyStartsWith 

func (p *PostPolicy) SetKeyStartsWith(keyStartsWith string) error

SetKeyStartsWith - Sets an object name that an policy based upload can start with.

func (*PostPolicy) SetSuccessStatusAction 

func (p *PostPolicy) SetSuccessStatusAction(status string) error

SetSuccessStatusAction - Sets the status success code of the object for this policy based upload.

func (*PostPolicy) SetUserData 

func (p *PostPolicy) SetUserData(key string, value string) error

SetUserData - Set user data as a key/value couple. Can be retrieved through a HEAD request or an event.

func (*PostPolicy) SetUserMetadata 

func (p *PostPolicy) SetUserMetadata(key string, value string) error

SetUserMetadata - Set user metadata as a key/value couple. Can be retrieved through a HEAD request or an event.

func (PostPolicy) String 

func (p PostPolicy) String() string

Stringer interface for printing policy in json formatted string.

type PutObjectOptions 

type PutObjectOptions struct {
	UserMetadata            map[string]string
	Progress                io.Reader
	ContentType             string
	ContentEncoding         string
	ContentDisposition      string
	ContentLanguage         string
	CacheControl            string
	ServerSideEncryption    encrypt.ServerSide
	NumThreads              uint
	StorageClass            string
	WebsiteRedirectLocation string
	PartSize                uint64
}

PutObjectOptions represents options specified by user for PutObject call

func (PutObjectOptions) Header 

func (opts PutObjectOptions) Header() (header http.Header)

Header - constructs the headers from metadata entered by user in PutObjectOptions struct

type RemoveObjectError 

type RemoveObjectError struct {
	ObjectName string
	Err        error
}

RemoveObjectError - container of Multi Delete S3 API error

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