+// Copyright (C) The Arvados Authors. All rights reserved.
+//
+// SPDX-License-Identifier: AGPL-3.0
+
package main
import (
type AzureBlobVolume struct {
StorageAccountName string
StorageAccountKeyFile string
+ StorageBaseURL string // "" means default, "core.windows.net"
ContainerName string
AzureReplication int
ReadOnly bool
RequestTimeout arvados.Duration
azClient storage.Client
- bsClient storage.BlobStorageClient
+ bsClient *azureBlobClient
}
// Examples implements VolumeWithExamples.
AzureReplication: 3,
RequestTimeout: azureDefaultRequestTimeout,
},
+ &AzureBlobVolume{
+ StorageAccountName: "cn-account-name",
+ StorageAccountKeyFile: "/etc/azure_cn_storage_account_key.txt",
+ StorageBaseURL: "core.chinacloudapi.cn",
+ ContainerName: "cn-container-name",
+ AzureReplication: 3,
+ RequestTimeout: azureDefaultRequestTimeout,
+ },
}
}
if err != nil {
return err
}
- v.azClient, err = storage.NewBasicClient(v.StorageAccountName, accountKey)
+ if v.StorageBaseURL == "" {
+ v.StorageBaseURL = storage.DefaultBaseURL
+ }
+ v.azClient, err = storage.NewClient(v.StorageAccountName, accountKey, v.StorageBaseURL, storage.DefaultAPIVersion, true)
if err != nil {
return fmt.Errorf("creating Azure storage client: %s", err)
}
v.azClient.HTTPClient = &http.Client{
Timeout: time.Duration(v.RequestTimeout),
}
- v.bsClient = v.azClient.GetBlobService()
+ bs := v.azClient.GetBlobService()
+ v.bsClient = &azureBlobClient{
+ client: &bs,
+ }
ok, err := v.bsClient.ContainerExists(v.ContainerName)
if err != nil {
return nil
}
+// DeviceID returns a globally unique ID for the storage container.
+func (v *AzureBlobVolume) DeviceID() string {
+ return "azure://" + v.StorageBaseURL + "/" + v.StorageAccountName + "/" + v.ContainerName
+}
+
// Return true if expires_at metadata attribute is found on the block
func (v *AzureBlobVolume) checkTrashed(loc string) (bool, map[string]string, error) {
metadata, err := v.bsClient.GetBlobMetadata(v.ContainerName, loc)
log.Printf("EmptyTrash stats for %v: Deleted %v bytes in %v blocks. Remaining in trash: %v bytes in %v blocks.", v.String(), bytesDeleted, blocksDeleted, bytesInTrash-bytesDeleted, blocksInTrash-blocksDeleted)
}
+
+// InternalStats returns bucket I/O and API call counters.
+func (v *AzureBlobVolume) InternalStats() interface{} {
+ return &v.bsClient.stats
+}
+
+type azureBlobStats struct {
+ statsTicker
+ Ops uint64
+ GetOps uint64
+ GetRangeOps uint64
+ GetMetadataOps uint64
+ GetPropertiesOps uint64
+ CreateOps uint64
+ SetMetadataOps uint64
+ DelOps uint64
+ ListOps uint64
+}
+
+func (s *azureBlobStats) TickErr(err error) {
+ if err == nil {
+ return
+ }
+ errType := fmt.Sprintf("%T", err)
+ if err, ok := err.(storage.AzureStorageServiceError); ok {
+ errType = errType + fmt.Sprintf(" %d (%s)", err.StatusCode, err.Code)
+ }
+ log.Printf("errType %T, err %s", err, err)
+ s.statsTicker.TickErr(err, errType)
+}
+
+// azureBlobClient wraps storage.BlobStorageClient in order to count
+// I/O and API usage stats.
+type azureBlobClient struct {
+ client *storage.BlobStorageClient
+ stats azureBlobStats
+}
+
+func (c *azureBlobClient) ContainerExists(cname string) (bool, error) {
+ c.stats.Tick(&c.stats.Ops)
+ ok, err := c.client.ContainerExists(cname)
+ c.stats.TickErr(err)
+ return ok, err
+}
+
+func (c *azureBlobClient) GetBlobMetadata(cname, bname string) (map[string]string, error) {
+ c.stats.Tick(&c.stats.Ops, &c.stats.GetMetadataOps)
+ m, err := c.client.GetBlobMetadata(cname, bname)
+ c.stats.TickErr(err)
+ return m, err
+}
+
+func (c *azureBlobClient) GetBlobProperties(cname, bname string) (*storage.BlobProperties, error) {
+ c.stats.Tick(&c.stats.Ops, &c.stats.GetPropertiesOps)
+ p, err := c.client.GetBlobProperties(cname, bname)
+ c.stats.TickErr(err)
+ return p, err
+}
+
+func (c *azureBlobClient) GetBlob(cname, bname string) (io.ReadCloser, error) {
+ c.stats.Tick(&c.stats.Ops, &c.stats.GetOps)
+ rdr, err := c.client.GetBlob(cname, bname)
+ c.stats.TickErr(err)
+ return NewCountingReader(rdr, c.stats.TickInBytes), err
+}
+
+func (c *azureBlobClient) GetBlobRange(cname, bname, byterange string, hdrs map[string]string) (io.ReadCloser, error) {
+ c.stats.Tick(&c.stats.Ops, &c.stats.GetRangeOps)
+ rdr, err := c.client.GetBlobRange(cname, bname, byterange, hdrs)
+ c.stats.TickErr(err)
+ return NewCountingReader(rdr, c.stats.TickInBytes), err
+}
+
+func (c *azureBlobClient) CreateBlockBlobFromReader(cname, bname string, size uint64, rdr io.Reader, hdrs map[string]string) error {
+ c.stats.Tick(&c.stats.Ops, &c.stats.CreateOps)
+ rdr = NewCountingReader(rdr, c.stats.TickOutBytes)
+ err := c.client.CreateBlockBlobFromReader(cname, bname, size, rdr, hdrs)
+ c.stats.TickErr(err)
+ return err
+}
+
+func (c *azureBlobClient) SetBlobMetadata(cname, bname string, m, hdrs map[string]string) error {
+ c.stats.Tick(&c.stats.Ops, &c.stats.SetMetadataOps)
+ err := c.client.SetBlobMetadata(cname, bname, m, hdrs)
+ c.stats.TickErr(err)
+ return err
+}
+
+func (c *azureBlobClient) ListBlobs(cname string, params storage.ListBlobsParameters) (storage.BlobListResponse, error) {
+ c.stats.Tick(&c.stats.Ops, &c.stats.ListOps)
+ resp, err := c.client.ListBlobs(cname, params)
+ c.stats.TickErr(err)
+ return resp, err
+}
+
+func (c *azureBlobClient) DeleteBlob(cname, bname string, hdrs map[string]string) error {
+ c.stats.Tick(&c.stats.Ops, &c.stats.DelOps)
+ err := c.client.DeleteBlob(cname, bname, hdrs)
+ c.stats.TickErr(err)
+ return err
+}