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package containers
import (
"context"
"net/http"
"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"
)
type AcquireLeaseInput struct {
// Specifies the duration of the lease, in seconds, or negative one (-1) for a lease that never expires.
// A non-infinite lease can be between 15 and 60 seconds
LeaseDuration int
ProposedLeaseID string
}
type AcquireLeaseResponse struct {
autorest.Response
LeaseID string
}
// AcquireLease establishes and manages a lock on a container for delete operations.
func (client Client) AcquireLease(ctx context.Context, accountName, containerName string, input AcquireLeaseInput) (result AcquireLeaseResponse, err error) {
if accountName == "" {
return result, validation.NewError("containers.Client", "AcquireLease", "`accountName` cannot be an empty string.")
}
if containerName == "" {
return result, validation.NewError("containers.Client", "AcquireLease", "`containerName` cannot be an empty string.")
}
// An infinite lease duration is -1 seconds. A non-infinite lease can be between 15 and 60 seconds
if input.LeaseDuration != -1 && (input.LeaseDuration <= 15 || input.LeaseDuration >= 60) {
return result, validation.NewError("containers.Client", "AcquireLease", "`input.LeaseDuration` must be -1 (infinite), or between 15 and 60 seconds.")
}
req, err := client.AcquireLeasePreparer(ctx, accountName, containerName, input)
if err != nil {
err = autorest.NewErrorWithError(err, "containers.Client", "AcquireLease", nil, "Failure preparing request")
return
}
resp, err := client.AcquireLeaseSender(req)
if err != nil {
result.Response = autorest.Response{Response: resp}
err = autorest.NewErrorWithError(err, "containers.Client", "AcquireLease", resp, "Failure sending request")
return
}
result, err = client.AcquireLeaseResponder(resp)
if err != nil {
err = autorest.NewErrorWithError(err, "containers.Client", "AcquireLease", resp, "Failure responding to request")
return
}
return
}
// AcquireLeasePreparer prepares the AcquireLease request.
func (client Client) AcquireLeasePreparer(ctx context.Context, accountName string, containerName string, input AcquireLeaseInput) (*http.Request, error) {
pathParameters := map[string]interface{}{
"containerName": autorest.Encode("path", containerName),
}
queryParameters := map[string]interface{}{
"restype": autorest.Encode("path", "container"),
"comp": autorest.Encode("path", "lease"),
}
headers := map[string]interface{}{
"x-ms-version": APIVersion,
"x-ms-lease-action": "acquire",
"x-ms-lease-duration": input.LeaseDuration,
}
if input.ProposedLeaseID != "" {
headers["x-ms-proposed-lease-id"] = input.ProposedLeaseID
}
preparer := autorest.CreatePreparer(
autorest.AsContentType("application/xml; charset=utf-8"),
autorest.AsPut(),
autorest.WithBaseURL(endpoints.GetBlobEndpoint(client.BaseURI, accountName)),
autorest.WithPathParameters("/{containerName}", pathParameters),
autorest.WithQueryParameters(queryParameters),
autorest.WithHeaders(headers))
return preparer.Prepare((&http.Request{}).WithContext(ctx))
}
// AcquireLeaseSender sends the AcquireLease request. The method will close the
// http.Response Body if it receives an error.
func (client Client) AcquireLeaseSender(req *http.Request) (*http.Response, error) {
return autorest.SendWithSender(client, req,
azure.DoRetryWithRegistration(client.Client))
}
// AcquireLeaseResponder handles the response to the AcquireLease request. The method always
// closes the http.Response Body.
func (client Client) AcquireLeaseResponder(resp *http.Response) (result AcquireLeaseResponse, err error) {
if resp != nil {
result.LeaseID = resp.Header.Get("x-ms-lease-id")
}
err = autorest.Respond(
resp,
client.ByInspecting(),
azure.WithErrorUnlessStatusCode(http.StatusCreated),
autorest.ByClosing())
result.Response = autorest.Response{Response: resp}
return
}
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