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storageServiceClient.go
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storageServiceClient.go
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package storageServiceClient
import (
"encoding/base64"
"encoding/xml"
"errors"
"fmt"
azure "github.com/MSOpenTech/azure-sdk-for-go"
"strings"
)
const (
azureXmlns = "http://schemas.microsoft.com/windowsazure"
azureStorageServiceListURL = "services/storageservices"
azureStorageServiceURL = "services/storageservices/%s"
blobEndpointNotFoundError = "Blob endpoint was not found in storage serice %s"
)
func GetStorageServiceList() (*StorageServiceList, error) {
storageServiceList := new(StorageServiceList)
response, err := azure.SendAzureGetRequest(azureStorageServiceListURL)
if err != nil {
return nil, err
}
err = xml.Unmarshal(response, storageServiceList)
if err != nil {
return storageServiceList, err
}
return storageServiceList, nil
}
func GetStorageServiceByName(serviceName string) (*StorageService, error) {
if len(serviceName) == 0 {
return nil, fmt.Errorf(azure.ParamNotSpecifiedError, "serviceName")
}
storageService := new(StorageService)
requestURL := fmt.Sprintf(azureStorageServiceURL, serviceName)
response, err := azure.SendAzureGetRequest(requestURL)
if err != nil {
return nil, err
}
err = xml.Unmarshal(response, storageService)
if err != nil {
return nil, err
}
return storageService, nil
}
func GetStorageServiceByLocation(location string) (*StorageService, error) {
if len(location) == 0 {
return nil, fmt.Errorf(azure.ParamNotSpecifiedError, "location")
}
storageService := new(StorageService)
storageServiceList, err := GetStorageServiceList()
if err != nil {
return storageService, err
}
for _, storageService := range storageServiceList.StorageServices {
if storageService.StorageServiceProperties.Location != location {
continue
}
return &storageService, nil
}
return nil, nil
}
func CreateStorageService(name, location string) (*StorageService, error) {
if len(name) == 0 {
return nil, fmt.Errorf(azure.ParamNotSpecifiedError, "name")
}
if len(location) == 0 {
return nil, fmt.Errorf(azure.ParamNotSpecifiedError, "location")
}
storageDeploymentConfig := createStorageServiceDeploymentConf(name, location)
deploymentBytes, err := xml.Marshal(storageDeploymentConfig)
if err != nil {
return nil, err
}
requestId, err := azure.SendAzurePostRequest(azureStorageServiceListURL, deploymentBytes)
if err != nil {
return nil, err
}
azure.WaitAsyncOperation(requestId)
storageService, err := GetStorageServiceByName(storageDeploymentConfig.ServiceName)
if err != nil {
return nil, err
}
return storageService, nil
}
func GetBlobEndpoint(storageService *StorageService) (string, error) {
for _, endpoint := range storageService.StorageServiceProperties.Endpoints {
if !strings.Contains(endpoint, ".blob.core") {
continue
}
return endpoint, nil
}
return "", errors.New(fmt.Sprintf(blobEndpointNotFoundError, storageService.ServiceName))
}
func createStorageServiceDeploymentConf(name, location string) StorageServiceDeployment {
storageServiceDeployment := StorageServiceDeployment{}
storageServiceDeployment.ServiceName = name
label := base64.StdEncoding.EncodeToString([]byte(name))
storageServiceDeployment.Label = label
storageServiceDeployment.Location = location
storageServiceDeployment.Xmlns = azureXmlns
return storageServiceDeployment
}