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package shares
import (
"context"
"fmt"
"net/http"
"strings"
"github.com/Azure/go-autorest/autorest"
"github.com/Azure/go-autorest/autorest/azure"
"github.com/Azure/go-autorest/autorest/validation"
"github.com/tombuildsstuff/giovanni/storage/internal/endpoints"
"github.com/tombuildsstuff/giovanni/storage/internal/metadata"
)
type CreateSnapshotInput struct {
MetaData map[string]string
}
type CreateSnapshotResult struct {
autorest.Response
// This header is a DateTime value that uniquely identifies the share snapshot.
// The value of this header may be used in subsequent requests to access the share snapshot.
// This value is opaque.
SnapshotDateTime string
}
// CreateSnapshot creates a read-only snapshot of the share
// A share can support creation of 200 share snapshots. Attempting to create more than 200 share snapshots fails with 409 (Conflict).
// Attempting to create a share snapshot while a previous Snapshot Share operation is in progress fails with 409 (Conflict).
func (client Client) CreateSnapshot(ctx context.Context, accountName, shareName string, input CreateSnapshotInput) (result CreateSnapshotResult, err error) {
if accountName == "" {
return result, validation.NewError("shares.Client", "CreateSnapshot", "`accountName` cannot be an empty string.")
}
if shareName == "" {
return result, validation.NewError("shares.Client", "CreateSnapshot", "`shareName` cannot be an empty string.")
}
if strings.ToLower(shareName) != shareName {
return result, validation.NewError("shares.Client", "CreateSnapshot", "`shareName` must be a lower-cased string.")
}
if err := metadata.Validate(input.MetaData); err != nil {
return result, validation.NewError("shares.Client", "CreateSnapshot", fmt.Sprintf("`input.MetaData` is not valid: %s.", err))
}
req, err := client.CreateSnapshotPreparer(ctx, accountName, shareName, input)
if err != nil {
err = autorest.NewErrorWithError(err, "shares.Client", "CreateSnapshot", nil, "Failure preparing request")
return
}
resp, err := client.CreateSnapshotSender(req)
if err != nil {
result.Response = autorest.Response{Response: resp}
err = autorest.NewErrorWithError(err, "shares.Client", "CreateSnapshot", resp, "Failure sending request")
return
}
result, err = client.CreateSnapshotResponder(resp)
if err != nil {
err = autorest.NewErrorWithError(err, "shares.Client", "CreateSnapshot", resp, "Failure responding to request")
return
}
return
}
// CreateSnapshotPreparer prepares the CreateSnapshot request.
func (client Client) CreateSnapshotPreparer(ctx context.Context, accountName, shareName string, input CreateSnapshotInput) (*http.Request, error) {
pathParameters := map[string]interface{}{
"shareName": autorest.Encode("path", shareName),
}
queryParameters := map[string]interface{}{
"comp": autorest.Encode("query", "snapshot"),
"restype": autorest.Encode("query", "share"),
}
headers := map[string]interface{}{
"x-ms-version": APIVersion,
}
headers = metadata.SetIntoHeaders(headers, input.MetaData)
preparer := autorest.CreatePreparer(
autorest.AsContentType("application/xml; charset=utf-8"),
autorest.AsPut(),
autorest.WithBaseURL(endpoints.GetFileEndpoint(client.BaseURI, accountName)),
autorest.WithPathParameters("/{shareName}", pathParameters),
autorest.WithQueryParameters(queryParameters),
autorest.WithHeaders(headers))
return preparer.Prepare((&http.Request{}).WithContext(ctx))
}
// CreateSnapshotSender sends the CreateSnapshot request. The method will close the
// http.Response Body if it receives an error.
func (client Client) CreateSnapshotSender(req *http.Request) (*http.Response, error) {
return autorest.SendWithSender(client, req,
azure.DoRetryWithRegistration(client.Client))
}
// CreateSnapshotResponder handles the response to the CreateSnapshot request. The method always
// closes the http.Response Body.
func (client Client) CreateSnapshotResponder(resp *http.Response) (result CreateSnapshotResult, err error) {
result.SnapshotDateTime = resp.Header.Get("x-ms-snapshot")
err = autorest.Respond(
resp,
client.ByInspecting(),
azure.WithErrorUnlessStatusCode(http.StatusCreated),
autorest.ByClosing())
result.Response = autorest.Response{Response: resp}
return
}
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