For large objects taking more than '3 minutes' response times in a single PUT operation can timeout prematurely as 'ResponseHeader' timeout hits for 3 minutes. Avoid this by keeping the connection active during CreateFile phase.
666 lines
20 KiB
Go
666 lines
20 KiB
Go
/*
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* MinIO Cloud Storage, (C) 2018-2020 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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"context"
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"encoding/gob"
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"encoding/hex"
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"errors"
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"io"
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"io/ioutil"
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"net/url"
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"path"
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"strconv"
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"strings"
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"sync"
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"time"
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"github.com/minio/minio/cmd/http"
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xhttp "github.com/minio/minio/cmd/http"
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"github.com/minio/minio/cmd/logger"
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"github.com/minio/minio/cmd/rest"
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xnet "github.com/minio/minio/pkg/net"
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xbufio "github.com/philhofer/fwd"
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"github.com/tinylib/msgp/msgp"
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)
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func isNetworkError(err error) bool {
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if err == nil {
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return false
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}
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if nerr, ok := err.(*rest.NetworkError); ok {
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return xnet.IsNetworkOrHostDown(nerr.Err, false)
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}
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return false
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}
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// Converts network error to storageErr. This function is
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// written so that the storageAPI errors are consistent
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// across network disks.
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func toStorageErr(err error) error {
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if err == nil {
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return nil
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}
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if isNetworkError(err) {
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return errDiskNotFound
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}
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switch err.Error() {
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case errFaultyDisk.Error():
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return errFaultyDisk
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case errFileCorrupt.Error():
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return errFileCorrupt
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case errUnexpected.Error():
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return errUnexpected
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case errDiskFull.Error():
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return errDiskFull
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case errVolumeNotFound.Error():
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return errVolumeNotFound
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case errVolumeExists.Error():
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return errVolumeExists
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case errFileNotFound.Error():
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return errFileNotFound
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case errFileVersionNotFound.Error():
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return errFileVersionNotFound
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case errFileNameTooLong.Error():
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return errFileNameTooLong
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case errFileAccessDenied.Error():
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return errFileAccessDenied
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case errPathNotFound.Error():
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return errPathNotFound
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case errIsNotRegular.Error():
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return errIsNotRegular
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case errVolumeNotEmpty.Error():
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return errVolumeNotEmpty
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case errVolumeAccessDenied.Error():
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return errVolumeAccessDenied
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case errCorruptedFormat.Error():
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return errCorruptedFormat
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case errUnformattedDisk.Error():
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return errUnformattedDisk
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case errInvalidAccessKeyID.Error():
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return errInvalidAccessKeyID
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case errAuthentication.Error():
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return errAuthentication
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case errRPCAPIVersionUnsupported.Error():
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return errRPCAPIVersionUnsupported
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case errServerTimeMismatch.Error():
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return errServerTimeMismatch
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case io.EOF.Error():
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return io.EOF
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case io.ErrUnexpectedEOF.Error():
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return io.ErrUnexpectedEOF
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case errDiskStale.Error():
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return errDiskNotFound
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case errDiskNotFound.Error():
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return errDiskNotFound
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}
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return err
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}
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// Abstracts a remote disk.
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type storageRESTClient struct {
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endpoint Endpoint
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restClient *rest.Client
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diskID string
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// Indexes, will be -1 until assigned a set.
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poolIndex, setIndex, diskIndex int
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diskInfoCache timedValue
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diskHealCache timedValue
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}
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// Retrieve location indexes.
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func (client *storageRESTClient) GetDiskLoc() (poolIdx, setIdx, diskIdx int) {
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return client.poolIndex, client.setIndex, client.diskIndex
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}
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// Set location indexes.
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func (client *storageRESTClient) SetDiskLoc(poolIdx, setIdx, diskIdx int) {
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client.poolIndex = poolIdx
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client.setIndex = setIdx
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client.diskIndex = diskIdx
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}
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// Wrapper to restClient.Call to handle network errors, in case of network error the connection is makred disconnected
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// permanently. The only way to restore the storage connection is at the xl-sets layer by xlsets.monitorAndConnectEndpoints()
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// after verifying format.json
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func (client *storageRESTClient) call(ctx context.Context, method string, values url.Values, body io.Reader, length int64) (io.ReadCloser, error) {
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if values == nil {
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values = make(url.Values)
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}
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values.Set(storageRESTDiskID, client.diskID)
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respBody, err := client.restClient.Call(ctx, method, values, body, length)
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if err == nil {
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return respBody, nil
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}
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err = toStorageErr(err)
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return nil, err
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}
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// Stringer provides a canonicalized representation of network device.
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func (client *storageRESTClient) String() string {
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return client.endpoint.String()
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}
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// IsOnline - returns whether RPC client failed to connect or not.
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func (client *storageRESTClient) IsOnline() bool {
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return client.restClient.IsOnline()
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}
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func (client *storageRESTClient) IsLocal() bool {
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return false
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}
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func (client *storageRESTClient) Hostname() string {
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return client.endpoint.Host
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}
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func (client *storageRESTClient) Endpoint() Endpoint {
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return client.endpoint
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}
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func (client *storageRESTClient) Healing() *healingTracker {
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client.diskHealCache.Once.Do(func() {
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// Update at least every second.
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client.diskHealCache.TTL = time.Second
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client.diskHealCache.Update = func() (interface{}, error) {
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ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
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defer cancel()
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b, err := client.ReadAll(ctx, minioMetaBucket,
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pathJoin(bucketMetaPrefix, healingTrackerFilename))
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if err != nil {
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// If error, likely not healing.
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return (*healingTracker)(nil), nil
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}
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var h healingTracker
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_, err = h.UnmarshalMsg(b)
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return &h, err
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}
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})
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val, _ := client.diskHealCache.Get()
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return val.(*healingTracker)
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}
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func (client *storageRESTClient) NSScanner(ctx context.Context, cache dataUsageCache) (dataUsageCache, error) {
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pr, pw := io.Pipe()
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go func() {
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pw.CloseWithError(cache.serializeTo(pw))
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}()
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respBody, err := client.call(ctx, storageRESTMethodNSScanner, url.Values{}, pr, -1)
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defer http.DrainBody(respBody)
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if err != nil {
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pr.Close()
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return cache, err
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}
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pr.Close()
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var newCache dataUsageCache
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pr, pw = io.Pipe()
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go func() {
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pw.CloseWithError(waitForHTTPStream(respBody, pw))
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}()
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err = newCache.deserialize(pr)
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pr.CloseWithError(err)
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return newCache, err
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}
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func (client *storageRESTClient) GetDiskID() (string, error) {
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// This call should never be over the network, this is always
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// a cached value - caller should make sure to use this
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// function on a fresh disk or make sure to look at the error
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// from a different networked call to validate the GetDiskID()
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return client.diskID, nil
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}
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func (client *storageRESTClient) SetDiskID(id string) {
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client.diskID = id
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}
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// DiskInfo - fetch disk information for a remote disk.
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func (client *storageRESTClient) DiskInfo(ctx context.Context) (info DiskInfo, err error) {
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client.diskInfoCache.Once.Do(func() {
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client.diskInfoCache.TTL = time.Second
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client.diskInfoCache.Update = func() (interface{}, error) {
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ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
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defer cancel()
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respBody, err := client.call(ctx, storageRESTMethodDiskInfo, nil, nil, -1)
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if err != nil {
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return info, err
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}
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defer http.DrainBody(respBody)
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if err = msgp.Decode(respBody, &info); err != nil {
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return info, err
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}
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if info.Error != "" {
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return info, toStorageErr(errors.New(info.Error))
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}
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return info, nil
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}
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})
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val, err := client.diskInfoCache.Get()
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if err == nil {
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info = val.(DiskInfo)
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}
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return info, err
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}
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// MakeVolBulk - create multiple volumes in a bulk operation.
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func (client *storageRESTClient) MakeVolBulk(ctx context.Context, volumes ...string) (err error) {
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values := make(url.Values)
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values.Set(storageRESTVolumes, strings.Join(volumes, ","))
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respBody, err := client.call(ctx, storageRESTMethodMakeVolBulk, values, nil, -1)
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defer http.DrainBody(respBody)
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return err
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}
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// MakeVol - create a volume on a remote disk.
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func (client *storageRESTClient) MakeVol(ctx context.Context, volume string) (err error) {
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values := make(url.Values)
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values.Set(storageRESTVolume, volume)
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respBody, err := client.call(ctx, storageRESTMethodMakeVol, values, nil, -1)
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defer http.DrainBody(respBody)
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return err
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}
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// ListVols - List all volumes on a remote disk.
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func (client *storageRESTClient) ListVols(ctx context.Context) (vols []VolInfo, err error) {
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respBody, err := client.call(ctx, storageRESTMethodListVols, nil, nil, -1)
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if err != nil {
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return
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}
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defer http.DrainBody(respBody)
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vinfos := VolsInfo(vols)
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err = msgp.Decode(respBody, &vinfos)
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return vinfos, err
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}
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// StatVol - get volume info over the network.
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func (client *storageRESTClient) StatVol(ctx context.Context, volume string) (vol VolInfo, err error) {
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values := make(url.Values)
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values.Set(storageRESTVolume, volume)
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respBody, err := client.call(ctx, storageRESTMethodStatVol, values, nil, -1)
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if err != nil {
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return
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}
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defer http.DrainBody(respBody)
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err = msgp.Decode(respBody, &vol)
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return vol, err
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}
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// DeleteVol - Deletes a volume over the network.
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func (client *storageRESTClient) DeleteVol(ctx context.Context, volume string, forceDelete bool) (err error) {
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values := make(url.Values)
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values.Set(storageRESTVolume, volume)
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if forceDelete {
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values.Set(storageRESTForceDelete, "true")
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}
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respBody, err := client.call(ctx, storageRESTMethodDeleteVol, values, nil, -1)
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defer http.DrainBody(respBody)
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return err
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}
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// AppendFile - append to a file.
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func (client *storageRESTClient) AppendFile(ctx context.Context, volume string, path string, buf []byte) error {
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values := make(url.Values)
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values.Set(storageRESTVolume, volume)
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values.Set(storageRESTFilePath, path)
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reader := bytes.NewReader(buf)
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respBody, err := client.call(ctx, storageRESTMethodAppendFile, values, reader, -1)
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defer http.DrainBody(respBody)
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return err
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}
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func (client *storageRESTClient) CreateFile(ctx context.Context, volume, path string, size int64, reader io.Reader) error {
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values := make(url.Values)
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values.Set(storageRESTVolume, volume)
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values.Set(storageRESTFilePath, path)
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values.Set(storageRESTLength, strconv.Itoa(int(size)))
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respBody, err := client.call(ctx, storageRESTMethodCreateFile, values, ioutil.NopCloser(reader), size)
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if err != nil {
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return err
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}
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waitReader, err := waitForHTTPResponse(respBody)
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defer http.DrainBody(ioutil.NopCloser(waitReader))
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defer respBody.Close()
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return err
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}
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func (client *storageRESTClient) WriteMetadata(ctx context.Context, volume, path string, fi FileInfo) error {
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values := make(url.Values)
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values.Set(storageRESTVolume, volume)
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values.Set(storageRESTFilePath, path)
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var reader bytes.Buffer
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if err := msgp.Encode(&reader, &fi); err != nil {
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return err
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}
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respBody, err := client.call(ctx, storageRESTMethodWriteMetadata, values, &reader, -1)
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defer http.DrainBody(respBody)
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return err
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}
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func (client *storageRESTClient) DeleteVersion(ctx context.Context, volume, path string, fi FileInfo, forceDelMarker bool) error {
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values := make(url.Values)
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values.Set(storageRESTVolume, volume)
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values.Set(storageRESTFilePath, path)
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values.Set(storageRESTForceDelMarker, strconv.FormatBool(forceDelMarker))
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var buffer bytes.Buffer
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if err := msgp.Encode(&buffer, &fi); err != nil {
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return err
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}
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respBody, err := client.call(ctx, storageRESTMethodDeleteVersion, values, &buffer, -1)
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defer http.DrainBody(respBody)
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return err
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}
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// WriteAll - write all data to a file.
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func (client *storageRESTClient) WriteAll(ctx context.Context, volume string, path string, b []byte) error {
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values := make(url.Values)
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values.Set(storageRESTVolume, volume)
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values.Set(storageRESTFilePath, path)
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respBody, err := client.call(ctx, storageRESTMethodWriteAll, values, bytes.NewBuffer(b), int64(len(b)))
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defer http.DrainBody(respBody)
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return err
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}
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// CheckFile - stat a file metadata.
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func (client *storageRESTClient) CheckFile(ctx context.Context, volume string, path string) error {
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values := make(url.Values)
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values.Set(storageRESTVolume, volume)
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values.Set(storageRESTFilePath, path)
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respBody, err := client.call(ctx, storageRESTMethodCheckFile, values, nil, -1)
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defer http.DrainBody(respBody)
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return err
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}
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// CheckParts - stat all file parts.
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func (client *storageRESTClient) CheckParts(ctx context.Context, volume string, path string, fi FileInfo) error {
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values := make(url.Values)
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values.Set(storageRESTVolume, volume)
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values.Set(storageRESTFilePath, path)
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var reader bytes.Buffer
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if err := msgp.Encode(&reader, &fi); err != nil {
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logger.LogIf(context.Background(), err)
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return err
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}
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respBody, err := client.call(ctx, storageRESTMethodCheckParts, values, &reader, -1)
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defer http.DrainBody(respBody)
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return err
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}
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// RenameData - rename source path to destination path atomically, metadata and data file.
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func (client *storageRESTClient) RenameData(ctx context.Context, srcVolume, srcPath, dataDir, dstVolume, dstPath string) (err error) {
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values := make(url.Values)
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values.Set(storageRESTSrcVolume, srcVolume)
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values.Set(storageRESTSrcPath, srcPath)
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values.Set(storageRESTDataDir, dataDir)
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values.Set(storageRESTDstVolume, dstVolume)
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values.Set(storageRESTDstPath, dstPath)
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respBody, err := client.call(ctx, storageRESTMethodRenameData, values, nil, -1)
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defer http.DrainBody(respBody)
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return err
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}
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// where we keep old *Readers
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var readMsgpReaderPool = sync.Pool{New: func() interface{} { return &msgp.Reader{} }}
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// mspNewReader returns a *Reader that reads from the provided reader.
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// The reader will be buffered.
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func msgpNewReader(r io.Reader) *msgp.Reader {
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p := readMsgpReaderPool.Get().(*msgp.Reader)
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if p.R == nil {
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p.R = xbufio.NewReaderSize(r, 8<<10)
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} else {
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p.R.Reset(r)
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}
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return p
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}
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func (client *storageRESTClient) ReadVersion(ctx context.Context, volume, path, versionID string, readData bool) (fi FileInfo, err error) {
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values := make(url.Values)
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values.Set(storageRESTVolume, volume)
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values.Set(storageRESTFilePath, path)
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values.Set(storageRESTVersionID, versionID)
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values.Set(storageRESTReadData, strconv.FormatBool(readData))
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respBody, err := client.call(ctx, storageRESTMethodReadVersion, values, nil, -1)
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if err != nil {
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return fi, err
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}
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defer http.DrainBody(respBody)
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dec := msgpNewReader(respBody)
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defer readMsgpReaderPool.Put(dec)
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err = fi.DecodeMsg(dec)
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return fi, err
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}
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// ReadAll - reads all contents of a file.
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func (client *storageRESTClient) ReadAll(ctx context.Context, volume string, path string) ([]byte, error) {
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values := make(url.Values)
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values.Set(storageRESTVolume, volume)
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values.Set(storageRESTFilePath, path)
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respBody, err := client.call(ctx, storageRESTMethodReadAll, values, nil, -1)
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if err != nil {
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return nil, err
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}
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defer http.DrainBody(respBody)
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return ioutil.ReadAll(respBody)
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}
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// ReadFileStream - returns a reader for the requested file.
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func (client *storageRESTClient) ReadFileStream(ctx context.Context, volume, path string, offset, length int64) (io.ReadCloser, error) {
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values := make(url.Values)
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values.Set(storageRESTVolume, volume)
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values.Set(storageRESTFilePath, path)
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values.Set(storageRESTOffset, strconv.Itoa(int(offset)))
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values.Set(storageRESTLength, strconv.Itoa(int(length)))
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respBody, err := client.call(ctx, storageRESTMethodReadFileStream, values, nil, -1)
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if err != nil {
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return nil, err
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}
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return respBody, nil
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}
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|
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// ReadFile - reads section of a file.
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func (client *storageRESTClient) ReadFile(ctx context.Context, volume string, path string, offset int64, buf []byte, verifier *BitrotVerifier) (int64, error) {
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values := make(url.Values)
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values.Set(storageRESTVolume, volume)
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values.Set(storageRESTFilePath, path)
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values.Set(storageRESTOffset, strconv.Itoa(int(offset)))
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values.Set(storageRESTLength, strconv.Itoa(len(buf)))
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if verifier != nil {
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values.Set(storageRESTBitrotAlgo, verifier.algorithm.String())
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|
values.Set(storageRESTBitrotHash, hex.EncodeToString(verifier.sum))
|
|
} else {
|
|
values.Set(storageRESTBitrotAlgo, "")
|
|
values.Set(storageRESTBitrotHash, "")
|
|
}
|
|
respBody, err := client.call(ctx, storageRESTMethodReadFile, values, nil, -1)
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
defer http.DrainBody(respBody)
|
|
n, err := io.ReadFull(respBody, buf)
|
|
return int64(n), err
|
|
}
|
|
|
|
// ListDir - lists a directory.
|
|
func (client *storageRESTClient) ListDir(ctx context.Context, volume, dirPath string, count int) (entries []string, err error) {
|
|
values := make(url.Values)
|
|
values.Set(storageRESTVolume, volume)
|
|
values.Set(storageRESTDirPath, dirPath)
|
|
values.Set(storageRESTCount, strconv.Itoa(count))
|
|
respBody, err := client.call(ctx, storageRESTMethodListDir, values, nil, -1)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer http.DrainBody(respBody)
|
|
err = gob.NewDecoder(respBody).Decode(&entries)
|
|
return entries, err
|
|
}
|
|
|
|
// DeleteFile - deletes a file.
|
|
func (client *storageRESTClient) Delete(ctx context.Context, volume string, path string, recursive bool) error {
|
|
values := make(url.Values)
|
|
values.Set(storageRESTVolume, volume)
|
|
values.Set(storageRESTFilePath, path)
|
|
values.Set(storageRESTRecursive, strconv.FormatBool(recursive))
|
|
|
|
respBody, err := client.call(ctx, storageRESTMethodDeleteFile, values, nil, -1)
|
|
defer http.DrainBody(respBody)
|
|
return err
|
|
}
|
|
|
|
// DeleteVersions - deletes list of specified versions if present
|
|
func (client *storageRESTClient) DeleteVersions(ctx context.Context, volume string, versions []FileInfo) (errs []error) {
|
|
if len(versions) == 0 {
|
|
return errs
|
|
}
|
|
|
|
values := make(url.Values)
|
|
values.Set(storageRESTVolume, volume)
|
|
values.Set(storageRESTTotalVersions, strconv.Itoa(len(versions)))
|
|
|
|
var buffer bytes.Buffer
|
|
encoder := msgp.NewWriter(&buffer)
|
|
for _, version := range versions {
|
|
version.EncodeMsg(encoder)
|
|
}
|
|
logger.LogIf(ctx, encoder.Flush())
|
|
|
|
errs = make([]error, len(versions))
|
|
|
|
respBody, err := client.call(ctx, storageRESTMethodDeleteVersions, values, &buffer, -1)
|
|
defer http.DrainBody(respBody)
|
|
if err != nil {
|
|
for i := range errs {
|
|
errs[i] = err
|
|
}
|
|
return errs
|
|
}
|
|
|
|
reader, err := waitForHTTPResponse(respBody)
|
|
if err != nil {
|
|
for i := range errs {
|
|
errs[i] = err
|
|
}
|
|
return errs
|
|
}
|
|
|
|
dErrResp := &DeleteVersionsErrsResp{}
|
|
if err = gob.NewDecoder(reader).Decode(dErrResp); err != nil {
|
|
for i := range errs {
|
|
errs[i] = err
|
|
}
|
|
return errs
|
|
}
|
|
|
|
for i, dErr := range dErrResp.Errs {
|
|
errs[i] = toStorageErr(dErr)
|
|
}
|
|
|
|
return errs
|
|
}
|
|
|
|
// RenameFile - renames a file.
|
|
func (client *storageRESTClient) RenameFile(ctx context.Context, srcVolume, srcPath, dstVolume, dstPath string) (err error) {
|
|
values := make(url.Values)
|
|
values.Set(storageRESTSrcVolume, srcVolume)
|
|
values.Set(storageRESTSrcPath, srcPath)
|
|
values.Set(storageRESTDstVolume, dstVolume)
|
|
values.Set(storageRESTDstPath, dstPath)
|
|
respBody, err := client.call(ctx, storageRESTMethodRenameFile, values, nil, -1)
|
|
defer http.DrainBody(respBody)
|
|
return err
|
|
}
|
|
|
|
func (client *storageRESTClient) VerifyFile(ctx context.Context, volume, path string, fi FileInfo) error {
|
|
values := make(url.Values)
|
|
values.Set(storageRESTVolume, volume)
|
|
values.Set(storageRESTFilePath, path)
|
|
|
|
var reader bytes.Buffer
|
|
if err := msgp.Encode(&reader, &fi); err != nil {
|
|
return err
|
|
}
|
|
|
|
respBody, err := client.call(ctx, storageRESTMethodVerifyFile, values, &reader, -1)
|
|
defer http.DrainBody(respBody)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
respReader, err := waitForHTTPResponse(respBody)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
verifyResp := &VerifyFileResp{}
|
|
if err = gob.NewDecoder(respReader).Decode(verifyResp); err != nil {
|
|
return err
|
|
}
|
|
|
|
return toStorageErr(verifyResp.Err)
|
|
}
|
|
|
|
// Close - marks the client as closed.
|
|
func (client *storageRESTClient) Close() error {
|
|
client.restClient.Close()
|
|
return nil
|
|
}
|
|
|
|
// Returns a storage rest client.
|
|
func newStorageRESTClient(endpoint Endpoint, healthcheck bool) *storageRESTClient {
|
|
serverURL := &url.URL{
|
|
Scheme: endpoint.Scheme,
|
|
Host: endpoint.Host,
|
|
Path: path.Join(storageRESTPrefix, endpoint.Path, storageRESTVersion),
|
|
}
|
|
|
|
restClient := rest.NewClient(serverURL, globalInternodeTransport, newAuthToken)
|
|
|
|
if healthcheck {
|
|
// Use a separate client to avoid recursive calls.
|
|
healthClient := rest.NewClient(serverURL, globalInternodeTransport, newAuthToken)
|
|
healthClient.ExpectTimeouts = true
|
|
restClient.HealthCheckFn = func() bool {
|
|
ctx, cancel := context.WithTimeout(context.Background(), restClient.HealthCheckTimeout)
|
|
defer cancel()
|
|
respBody, err := healthClient.Call(ctx, storageRESTMethodHealth, nil, nil, -1)
|
|
xhttp.DrainBody(respBody)
|
|
return toStorageErr(err) != errDiskNotFound
|
|
}
|
|
}
|
|
|
|
return &storageRESTClient{endpoint: endpoint, restClient: restClient, poolIndex: -1, setIndex: -1, diskIndex: -1}
|
|
}
|