131 lines
4.9 KiB
Go
131 lines
4.9 KiB
Go
/*
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* MinIO Go Library for Amazon S3 Compatible Cloud Storage
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* Copyright 2015-2017 MinIO, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package minio
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// Multipart upload defaults.
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// absMinPartSize - absolute minimum part size (5 MiB) below which
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// a part in a multipart upload may not be uploaded.
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const absMinPartSize = 1024 * 1024 * 5
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// minPartSize - minimum part size 16MiB per object after which
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// putObject behaves internally as multipart.
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const minPartSize = 1024 * 1024 * 16
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// maxPartsCount - maximum number of parts for a single multipart session.
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const maxPartsCount = 10000
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// maxPartSize - maximum part size 5GiB for a single multipart upload
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// operation.
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const maxPartSize = 1024 * 1024 * 1024 * 5
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// maxSinglePutObjectSize - maximum size 5GiB of object per PUT
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// operation.
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const maxSinglePutObjectSize = 1024 * 1024 * 1024 * 5
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// maxMultipartPutObjectSize - maximum size 5TiB of object for
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// Multipart operation.
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const maxMultipartPutObjectSize = 1024 * 1024 * 1024 * 1024 * 5
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// unsignedPayload - value to be set to X-Amz-Content-Sha256 header when
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// we don't want to sign the request payload
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const unsignedPayload = "UNSIGNED-PAYLOAD"
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// unsignedPayloadTrailer value to be set to X-Amz-Content-Sha256 header when
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// we don't want to sign the request payload, but have a trailer.
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const unsignedPayloadTrailer = "STREAMING-UNSIGNED-PAYLOAD-TRAILER"
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// Total number of parallel workers used for multipart operation.
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const totalWorkers = 4
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// Signature related constants.
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const (
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signV4Algorithm = "AWS4-HMAC-SHA256"
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iso8601DateFormat = "20060102T150405Z"
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)
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const (
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// GetObjectAttributesTags are tags used to defined
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// return values for the GetObjectAttributes API
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GetObjectAttributesTags = "ETag,Checksum,StorageClass,ObjectSize,ObjectParts"
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// GetObjectAttributesMaxParts defined the default maximum
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// number of parts returned by GetObjectAttributes
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GetObjectAttributesMaxParts = 1000
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)
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const (
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// Response Headers
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// ETag is a common response header
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ETag = "ETag"
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// Storage class header.
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amzStorageClass = "X-Amz-Storage-Class"
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// Website redirect location header
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amzWebsiteRedirectLocation = "X-Amz-Website-Redirect-Location"
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// GetObjectAttributes headers
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amzPartNumberMarker = "X-Amz-Part-Number-Marker"
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amzExpectedBucketOnwer = "X-Amz-Expected-Bucket-Owner"
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amzMaxParts = "X-Amz-Max-Parts"
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amzObjectAttributes = "X-Amz-Object-Attributes"
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// Object Tagging headers
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amzTaggingHeader = "X-Amz-Tagging"
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amzTaggingHeaderDirective = "X-Amz-Tagging-Directive"
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amzVersionID = "X-Amz-Version-Id"
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amzTaggingCount = "X-Amz-Tagging-Count"
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amzExpiration = "X-Amz-Expiration"
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amzRestore = "X-Amz-Restore"
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amzReplicationStatus = "X-Amz-Replication-Status"
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amzDeleteMarker = "X-Amz-Delete-Marker"
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// Object legal hold header
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amzLegalHoldHeader = "X-Amz-Object-Lock-Legal-Hold"
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// Object retention header
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amzLockMode = "X-Amz-Object-Lock-Mode"
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amzLockRetainUntil = "X-Amz-Object-Lock-Retain-Until-Date"
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amzBypassGovernance = "X-Amz-Bypass-Governance-Retention"
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// Replication status
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amzBucketReplicationStatus = "X-Amz-Replication-Status"
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// Minio specific Replication/lifecycle transition extension
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minIOBucketSourceMTime = "X-Minio-Source-Mtime"
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minIOBucketSourceETag = "X-Minio-Source-Etag"
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minIOBucketReplicationDeleteMarker = "X-Minio-Source-DeleteMarker"
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minIOBucketReplicationProxyRequest = "X-Minio-Source-Proxy-Request"
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minIOBucketReplicationRequest = "X-Minio-Source-Replication-Request"
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minIOBucketReplicationCheck = "X-Minio-Source-Replication-Check"
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// Header indicates last tag update time on source
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minIOBucketReplicationTaggingTimestamp = "X-Minio-Source-Replication-Tagging-Timestamp"
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// Header indicates last retention update time on source
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minIOBucketReplicationObjectRetentionTimestamp = "X-Minio-Source-Replication-Retention-Timestamp"
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// Header indicates last legalhold update time on source
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minIOBucketReplicationObjectLegalHoldTimestamp = "X-Minio-Source-Replication-LegalHold-Timestamp"
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minIOForceDelete = "x-minio-force-delete"
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// Header indicates delete marker replication request can be sent by source now.
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minioTgtReplicationReady = "X-Minio-Replication-Ready"
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// Header asks if delete marker replication request can be sent by source now.
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isMinioTgtReplicationReady = "X-Minio-Check-Replication-Ready"
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)
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