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a337ea4d11
- Changes related to moving admin APIs
- admin APIs now have an endpoint under /minio/admin
- admin APIs are now versioned - a new API to server the version is
added at "GET /minio/admin/version" and all API operations have the
path prefix /minio/admin/v1/<operation>
- new service stop API added
- credentials change API is moved to /minio/admin/v1/config/credential
- credentials change API and configuration get/set API now require TLS
so that credentials are protected
- all API requests now receive JSON
- heal APIs are disabled as they will be changed substantially
- Heal API changes
Heal API is now provided at a single endpoint with the ability for a
client to start a heal sequence on all the data in the server, a
single bucket, or under a prefix within a bucket.
When a heal sequence is started, the server returns a unique token
that needs to be used for subsequent 'status' requests to fetch heal
results.
On each status request from the client, the server returns heal result
records that it has accumulated since the previous status request. The
server accumulates upto 1000 records and pauses healing further
objects until the client requests for status. If the client does not
request any further records for a long time, the server aborts the
heal sequence automatically.
A heal result record is returned for each entity healed on the server,
such as system metadata, object metadata, buckets and objects, and has
information about the before and after states on each disk.
A client may request to force restart a heal sequence - this causes
the running heal sequence to be aborted at the next safe spot and
starts a new heal sequence.
103 lines
2.9 KiB
Go
103 lines
2.9 KiB
Go
/*
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* Minio Cloud Storage, (C) 2015, 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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"bytes"
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"encoding/json"
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"encoding/xml"
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"fmt"
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"net/http"
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"strconv"
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"time"
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)
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// Returns a hexadecimal representation of time at the
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// time response is sent to the client.
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func mustGetRequestID(t time.Time) string {
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return fmt.Sprintf("%X", t.UnixNano())
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}
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// Write http common headers
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func setCommonHeaders(w http.ResponseWriter) {
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// Set unique request ID for each reply.
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w.Header().Set(responseRequestIDKey, mustGetRequestID(UTCNow()))
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w.Header().Set("Server", globalServerUserAgent)
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// Set `x-amz-bucket-region` only if region is set on the server
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// by default minio uses an empty region.
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if region := globalServerConfig.GetRegion(); region != "" {
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w.Header().Set("X-Amz-Bucket-Region", region)
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}
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w.Header().Set("Accept-Ranges", "bytes")
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}
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// Encodes the response headers into XML format.
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func encodeResponse(response interface{}) []byte {
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var bytesBuffer bytes.Buffer
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bytesBuffer.WriteString(xml.Header)
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e := xml.NewEncoder(&bytesBuffer)
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e.Encode(response)
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return bytesBuffer.Bytes()
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}
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// Encodes the response headers into JSON format.
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func encodeResponseJSON(response interface{}) []byte {
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var bytesBuffer bytes.Buffer
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e := json.NewEncoder(&bytesBuffer)
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e.Encode(response)
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return bytesBuffer.Bytes()
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}
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// Write object header
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func setObjectHeaders(w http.ResponseWriter, objInfo ObjectInfo, contentRange *httpRange) {
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// set common headers
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setCommonHeaders(w)
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// Set content length.
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w.Header().Set("Content-Length", strconv.FormatInt(objInfo.Size, 10))
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// Set last modified time.
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lastModified := objInfo.ModTime.UTC().Format(http.TimeFormat)
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w.Header().Set("Last-Modified", lastModified)
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// Set Etag if available.
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if objInfo.ETag != "" {
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w.Header().Set("ETag", "\""+objInfo.ETag+"\"")
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}
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if objInfo.ContentType != "" {
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w.Header().Set("Content-Type", objInfo.ContentType)
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}
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if objInfo.ContentEncoding != "" {
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w.Header().Set("Content-Encoding", objInfo.ContentEncoding)
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}
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// Set all other user defined metadata.
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for k, v := range objInfo.UserDefined {
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w.Header().Set(k, v)
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}
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// for providing ranged content
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if contentRange != nil && contentRange.offsetBegin > -1 {
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// Override content-length
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w.Header().Set("Content-Length", strconv.FormatInt(contentRange.getLength(), 10))
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w.Header().Set("Content-Range", contentRange.String())
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w.WriteHeader(http.StatusPartialContent)
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}
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}
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