mirror of https://github.com/minio/minio.git
521 lines
16 KiB
Go
521 lines
16 KiB
Go
/*
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* MinIO Cloud Storage, (C) 2016, 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 cmd
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import (
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"io"
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"math"
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"time"
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humanize "github.com/dustin/go-humanize"
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"github.com/minio/minio/pkg/bucket/replication"
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"github.com/minio/minio/pkg/hash"
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"github.com/minio/minio/pkg/madmin"
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)
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// BackendType - represents different backend types.
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type BackendType int
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// Enum for different backend types.
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const (
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Unknown = BackendType(madmin.Unknown)
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// Filesystem backend.
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BackendFS = BackendType(madmin.FS)
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// Multi disk BackendErasure (single, distributed) backend.
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BackendErasure = BackendType(madmin.Erasure)
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// Gateway backend.
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BackendGateway = BackendType(madmin.Gateway)
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// Add your own backend.
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)
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// StorageInfo - represents total capacity of underlying storage.
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type StorageInfo = madmin.StorageInfo
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// objectHistogramInterval is an interval that will be
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// used to report the histogram of objects data sizes
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type objectHistogramInterval struct {
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name string
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start, end int64
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}
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const (
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// dataUsageBucketLen must be length of ObjectsHistogramIntervals
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dataUsageBucketLen = 7
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)
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// ObjectsHistogramIntervals is the list of all intervals
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// of object sizes to be included in objects histogram.
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var ObjectsHistogramIntervals = []objectHistogramInterval{
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{"LESS_THAN_1024_B", 0, humanize.KiByte - 1},
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{"BETWEEN_1024_B_AND_1_MB", humanize.KiByte, humanize.MiByte - 1},
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{"BETWEEN_1_MB_AND_10_MB", humanize.MiByte, humanize.MiByte*10 - 1},
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{"BETWEEN_10_MB_AND_64_MB", humanize.MiByte * 10, humanize.MiByte*64 - 1},
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{"BETWEEN_64_MB_AND_128_MB", humanize.MiByte * 64, humanize.MiByte*128 - 1},
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{"BETWEEN_128_MB_AND_512_MB", humanize.MiByte * 128, humanize.MiByte*512 - 1},
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{"GREATER_THAN_512_MB", humanize.MiByte * 512, math.MaxInt64},
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}
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// BucketUsageInfo - bucket usage info provides
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// - total size of the bucket
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// - total objects in a bucket
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// - object size histogram per bucket
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type BucketUsageInfo struct {
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Size uint64 `json:"size"`
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ReplicationPendingSize uint64 `json:"objectsPendingReplicationTotalSize"`
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ReplicationFailedSize uint64 `json:"objectsFailedReplicationTotalSize"`
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ReplicatedSize uint64 `json:"objectsReplicatedTotalSize"`
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ReplicaSize uint64 `json:"objectReplicaTotalSize"`
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ObjectsCount uint64 `json:"objectsCount"`
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ObjectSizesHistogram map[string]uint64 `json:"objectsSizesHistogram"`
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}
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// DataUsageInfo represents data usage stats of the underlying Object API
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type DataUsageInfo struct {
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// LastUpdate is the timestamp of when the data usage info was last updated.
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// This does not indicate a full scan.
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LastUpdate time.Time `json:"lastUpdate"`
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// Objects total count across all buckets
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ObjectsTotalCount uint64 `json:"objectsCount"`
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// Objects total size across all buckets
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ObjectsTotalSize uint64 `json:"objectsTotalSize"`
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// Total Size for objects that have not yet been replicated
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ReplicationPendingSize uint64 `json:"objectsPendingReplicationTotalSize"`
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// Total size for objects that have witness one or more failures and will be retried
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ReplicationFailedSize uint64 `json:"objectsFailedReplicationTotalSize"`
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// Total size for objects that have been replicated to destination
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ReplicatedSize uint64 `json:"objectsReplicatedTotalSize"`
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// Total size for objects that are replicas
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ReplicaSize uint64 `json:"objectsReplicaTotalSize"`
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// Total number of buckets in this cluster
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BucketsCount uint64 `json:"bucketsCount"`
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// Buckets usage info provides following information across all buckets
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// - total size of the bucket
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// - total objects in a bucket
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// - object size histogram per bucket
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BucketsUsage map[string]BucketUsageInfo `json:"bucketsUsageInfo"`
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// Deprecated kept here for backward compatibility reasons.
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BucketSizes map[string]uint64 `json:"bucketsSizes"`
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}
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// BucketInfo - represents bucket metadata.
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type BucketInfo struct {
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// Name of the bucket.
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Name string
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// Date and time when the bucket was created.
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Created time.Time
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}
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// ObjectInfo - represents object metadata.
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type ObjectInfo struct {
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// Name of the bucket.
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Bucket string
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// Name of the object.
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Name string
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// Date and time when the object was last modified.
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ModTime time.Time
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// Total object size.
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Size int64
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// IsDir indicates if the object is prefix.
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IsDir bool
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// Hex encoded unique entity tag of the object.
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ETag string
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// The ETag stored in the gateway backend
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InnerETag string
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// Version ID of this object.
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VersionID string
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// IsLatest indicates if this is the latest current version
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// latest can be true for delete marker or a version.
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IsLatest bool
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// DeleteMarker indicates if the versionId corresponds
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// to a delete marker on an object.
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DeleteMarker bool
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// TransitionStatus indicates if transition is complete/pending
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TransitionStatus string
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// RestoreExpires indicates date a restored object expires
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RestoreExpires time.Time
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// RestoreOngoing indicates if a restore is in progress
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RestoreOngoing bool
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// A standard MIME type describing the format of the object.
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ContentType string
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// Specifies what content encodings have been applied to the object and thus
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// what decoding mechanisms must be applied to obtain the object referenced
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// by the Content-Type header field.
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ContentEncoding string
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// Date and time at which the object is no longer able to be cached
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Expires time.Time
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// CacheStatus sets status of whether this is a cache hit/miss
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CacheStatus CacheStatusType
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// CacheLookupStatus sets whether a cacheable response is present in the cache
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CacheLookupStatus CacheStatusType
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// Specify object storage class
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StorageClass string
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ReplicationStatus replication.StatusType
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// User-Defined metadata
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UserDefined map[string]string
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// User-Defined object tags
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UserTags string
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// List of individual parts, maximum size of upto 10,000
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Parts []ObjectPartInfo `json:"-"`
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// Implements writer and reader used by CopyObject API
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Writer io.WriteCloser `json:"-"`
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Reader *hash.Reader `json:"-"`
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PutObjReader *PutObjReader `json:"-"`
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metadataOnly bool
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versionOnly bool // adds a new version, only used by CopyObject
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keyRotation bool
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// Date and time when the object was last accessed.
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AccTime time.Time
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Legacy bool // indicates object on disk is in legacy data format
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// backendType indicates which backend filled this structure
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backendType BackendType
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VersionPurgeStatus VersionPurgeStatusType
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// The total count of all versions of this object
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NumVersions int
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// The modtime of the successor object version if any
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SuccessorModTime time.Time
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}
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// Clone - Returns a cloned copy of current objectInfo
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func (o ObjectInfo) Clone() (cinfo ObjectInfo) {
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cinfo = ObjectInfo{
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Bucket: o.Bucket,
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Name: o.Name,
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ModTime: o.ModTime,
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Size: o.Size,
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IsDir: o.IsDir,
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ETag: o.ETag,
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InnerETag: o.InnerETag,
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VersionID: o.VersionID,
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IsLatest: o.IsLatest,
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DeleteMarker: o.DeleteMarker,
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TransitionStatus: o.TransitionStatus,
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RestoreExpires: o.RestoreExpires,
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RestoreOngoing: o.RestoreOngoing,
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ContentType: o.ContentType,
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ContentEncoding: o.ContentEncoding,
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Expires: o.Expires,
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CacheStatus: o.CacheStatus,
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CacheLookupStatus: o.CacheLookupStatus,
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StorageClass: o.StorageClass,
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ReplicationStatus: o.ReplicationStatus,
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UserTags: o.UserTags,
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Parts: o.Parts,
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Writer: o.Writer,
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Reader: o.Reader,
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PutObjReader: o.PutObjReader,
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metadataOnly: o.metadataOnly,
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versionOnly: o.versionOnly,
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keyRotation: o.keyRotation,
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backendType: o.backendType,
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AccTime: o.AccTime,
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Legacy: o.Legacy,
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VersionPurgeStatus: o.VersionPurgeStatus,
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NumVersions: o.NumVersions,
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SuccessorModTime: o.SuccessorModTime,
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}
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cinfo.UserDefined = make(map[string]string, len(o.UserDefined))
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for k, v := range o.UserDefined {
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cinfo.UserDefined[k] = v
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}
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return cinfo
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}
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// MultipartInfo captures metadata information about the uploadId
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// this data structure is used primarily for some internal purposes
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// for verifying upload type such as was the upload
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// - encrypted
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// - compressed
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type MultipartInfo struct {
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// Name of the bucket.
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Bucket string
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// Name of the object.
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Object string
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// Upload ID identifying the multipart upload whose parts are being listed.
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UploadID string
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// Date and time at which the multipart upload was initiated.
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Initiated time.Time
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// Any metadata set during InitMultipartUpload, including encryption headers.
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UserDefined map[string]string
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}
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// ListPartsInfo - represents list of all parts.
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type ListPartsInfo struct {
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// Name of the bucket.
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Bucket string
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// Name of the object.
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Object string
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// Upload ID identifying the multipart upload whose parts are being listed.
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UploadID string
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// The class of storage used to store the object.
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StorageClass string
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// Part number after which listing begins.
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PartNumberMarker int
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// When a list is truncated, this element specifies the last part in the list,
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// as well as the value to use for the part-number-marker request parameter
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// in a subsequent request.
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NextPartNumberMarker int
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// Maximum number of parts that were allowed in the response.
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MaxParts int
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// Indicates whether the returned list of parts is truncated.
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IsTruncated bool
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// List of all parts.
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Parts []PartInfo
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// Any metadata set during InitMultipartUpload, including encryption headers.
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UserDefined map[string]string
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}
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// Lookup - returns if uploadID is valid
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func (lm ListMultipartsInfo) Lookup(uploadID string) bool {
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for _, upload := range lm.Uploads {
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if upload.UploadID == uploadID {
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return true
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}
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}
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return false
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}
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// ListMultipartsInfo - represnets bucket resources for incomplete multipart uploads.
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type ListMultipartsInfo struct {
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// Together with upload-id-marker, this parameter specifies the multipart upload
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// after which listing should begin.
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KeyMarker string
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// Together with key-marker, specifies the multipart upload after which listing
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// should begin. If key-marker is not specified, the upload-id-marker parameter
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// is ignored.
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UploadIDMarker string
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// When a list is truncated, this element specifies the value that should be
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// used for the key-marker request parameter in a subsequent request.
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NextKeyMarker string
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// When a list is truncated, this element specifies the value that should be
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// used for the upload-id-marker request parameter in a subsequent request.
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NextUploadIDMarker string
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// Maximum number of multipart uploads that could have been included in the
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// response.
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MaxUploads int
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// Indicates whether the returned list of multipart uploads is truncated. A
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// value of true indicates that the list was truncated. The list can be truncated
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// if the number of multipart uploads exceeds the limit allowed or specified
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// by max uploads.
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IsTruncated bool
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// List of all pending uploads.
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Uploads []MultipartInfo
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// When a prefix is provided in the request, The result contains only keys
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// starting with the specified prefix.
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Prefix string
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// A character used to truncate the object prefixes.
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// NOTE: only supported delimiter is '/'.
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Delimiter string
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// CommonPrefixes contains all (if there are any) keys between Prefix and the
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// next occurrence of the string specified by delimiter.
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CommonPrefixes []string
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EncodingType string // Not supported yet.
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}
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// DeletedObjectInfo - container for list objects versions deleted objects.
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type DeletedObjectInfo struct {
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// Name of the bucket.
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Bucket string
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// Name of the object.
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Name string
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// Date and time when the object was last modified.
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ModTime time.Time
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// Version ID of this object.
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VersionID string
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// Indicates the deleted marker is latest
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IsLatest bool
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}
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// ListObjectVersionsInfo - container for list objects versions.
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type ListObjectVersionsInfo struct {
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// Indicates whether the returned list objects response is truncated. A
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// value of true indicates that the list was truncated. The list can be truncated
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// if the number of objects exceeds the limit allowed or specified
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// by max keys.
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IsTruncated bool
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// When response is truncated (the IsTruncated element value in the response is true),
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// you can use the key name in this field as marker in the subsequent
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// request to get next set of objects.
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//
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// NOTE: AWS S3 returns NextMarker only if you have delimiter request parameter specified,
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// MinIO always returns NextMarker.
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NextMarker string
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// NextVersionIDMarker may be set of IsTruncated is true
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NextVersionIDMarker string
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// List of objects info for this request.
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Objects []ObjectInfo
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// List of prefixes for this request.
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Prefixes []string
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}
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// ListObjectsInfo - container for list objects.
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type ListObjectsInfo struct {
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// Indicates whether the returned list objects response is truncated. A
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// value of true indicates that the list was truncated. The list can be truncated
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// if the number of objects exceeds the limit allowed or specified
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// by max keys.
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IsTruncated bool
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// When response is truncated (the IsTruncated element value in the response is true),
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// you can use the key name in this field as marker in the subsequent
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// request to get next set of objects.
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//
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// NOTE: AWS S3 returns NextMarker only if you have delimiter request parameter specified,
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// MinIO always returns NextMarker.
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NextMarker string
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// List of objects info for this request.
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Objects []ObjectInfo
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// List of prefixes for this request.
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Prefixes []string
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}
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// ListObjectsV2Info - container for list objects version 2.
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type ListObjectsV2Info struct {
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// Indicates whether the returned list objects response is truncated. A
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// value of true indicates that the list was truncated. The list can be truncated
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// if the number of objects exceeds the limit allowed or specified
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// by max keys.
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IsTruncated bool
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// When response is truncated (the IsTruncated element value in the response
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// is true), you can use the key name in this field as marker in the subsequent
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// request to get next set of objects.
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//
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// NOTE: This element is returned only if you have delimiter request parameter
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// specified.
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ContinuationToken string
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NextContinuationToken string
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// List of objects info for this request.
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Objects []ObjectInfo
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// List of prefixes for this request.
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Prefixes []string
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}
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// PartInfo - represents individual part metadata.
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type PartInfo struct {
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// Part number that identifies the part. This is a positive integer between
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// 1 and 10,000.
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PartNumber int
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// Date and time at which the part was uploaded.
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LastModified time.Time
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// Entity tag returned when the part was initially uploaded.
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ETag string
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// Size in bytes of the part.
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Size int64
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// Decompressed Size.
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ActualSize int64
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}
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// CompletePart - represents the part that was completed, this is sent by the client
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// during CompleteMultipartUpload request.
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type CompletePart struct {
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// Part number identifying the part. This is a positive integer between 1 and
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// 10,000
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PartNumber int
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// Entity tag returned when the part was uploaded.
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ETag string
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}
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// CompletedParts - is a collection satisfying sort.Interface.
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type CompletedParts []CompletePart
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func (a CompletedParts) Len() int { return len(a) }
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func (a CompletedParts) Swap(i, j int) { a[i], a[j] = a[j], a[i] }
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func (a CompletedParts) Less(i, j int) bool { return a[i].PartNumber < a[j].PartNumber }
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// CompleteMultipartUpload - represents list of parts which are completed, this is sent by the
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// client during CompleteMultipartUpload request.
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type CompleteMultipartUpload struct {
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Parts []CompletePart `xml:"Part"`
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}
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