Rust

Azure Storage: Lease Container

See more Azure Cloud Storage Examples

Azure Storage Blob Service REST API: Sample code to establishes a lock on a container for delete operations. The lock duration can be 15 to 60 seconds, or can be infinite. Rust

// Azure Blob Service Example: Lease Container
// See also: https://msdn.microsoft.com/en-us/library/azure/jj159103.aspx

// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

let rest = chilkat::Rest::new();

// Connect to the Azure Storage Blob Service
let b_tls = true;
let port = 443;
let b_auto_reconnect = true;
// In this example, the storage account name is "chilkat".
if rest.connect("chilkat.blob.core.windows.net", port, b_tls, b_auto_reconnect).is_err() {
    println!("{}", rest.last_error_text());
    return;
}

// Provide Azure Cloud credentials for the REST call.
let az_auth = chilkat::AuthAzureStorage::new();
az_auth.set_access_key("AZURE_ACCESS_KEY");
// The account name used here should match the 1st part of the domain passed in the call to Connect (above).
az_auth.set_account("chilkat");
az_auth.set_scheme("SharedKey");
az_auth.set_service("Blob");
// This causes the "x-ms-version: 2021-08-06" header to be automatically added.
az_auth.set_x_ms_version("2021-08-06");
let _ = rest.set_auth_azure_storage(&az_auth).is_ok();

// Note: The application does not need to explicitly set the following
// headers: x-ms-date, Authorization.  These headers
// are automatically set by Chilkat.

// The lease ID needs to be a GUID.  (UUID and GUID are synonymous)
let crypt = chilkat::Crypt2::new();
let guid = crypt.generate_uuid().unwrap_or_default();
println!("Lease ID: {}", guid);
let _ = rest.add_header("x-ms-lease-id", &guid).is_ok();

// The action can be "acquire", "renew", "change", "release", or "break".
// See https://msdn.microsoft.com/en-us/library/azure/jj159103.aspx
let _ = rest.add_header("x-ms-lease-action", "acquire").is_ok();

// The lease duration..
let _ = rest.add_header("x-ms-lease-duration", "15").is_ok();

// In this example, we are acquiring a lease for the container named "mycontainer".
let Ok(response_str) = rest.full_request_no_body("PUT", "/mycontainer?restype=container&comp=lease") else {
    println!("{}", rest.last_error_text());
    return;
};

// When successful, the Azure Storage service will respond with a 200, 201, or 202 response status code,
// with no response body.

// The status code depends on the operation:
//    Acquire: A successful operation returns status code 201 (Created).
//    Renew: A successful operation returns status code 200 (OK).
//    Change: A successful operation returns status code 200 (OK).
//    Release: A successful operation returns status code 200 (OK).
//    Break: A successful operation returns status code 202 (Accepted).

if (rest.response_status_code() < 200) || (rest.response_status_code() > 202) {
    // Examine the request/response to see what happened.
    println!("response status code = {}", rest.response_status_code());
    println!("response status text = {}", rest.response_status_text());
    println!("response header: {}", rest.response_header());
    println!("response body (if any): {}", response_str);
    println!("---");
    println!("LastRequestStartLine: {}", rest.last_request_start_line());
    println!("LastRequestHeader: {}", rest.last_request_header());
    return;
}

println!("Success: Lease acquired.");