Node.js

Azure Storage: Get Blob Service Stats

See more Azure Cloud Storage Examples

Azure Storage Blob Service REST API: Sample code to get Blob Service Stats Node.js

NODEJS_PRELUDE

function chilkatExample() {

    var success = false;

    // Azure Blob Service Example: Get Blob Service Stats

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

    var rest = new chilkat.Rest();

    // Connect to the Azure Storage Blob Service
    var bTls = true;
    var port = 443;
    var bAutoReconnect = true;
    // In this example, the storage account name is "chilkat".
    // ---- IMPORTANT ----
    // The "-secondary" suffix is required.
    // This requires an Azure storage account with replication set to "Read-access geo-redundant storage (RA-GRS)"
    // If you made the change just prior to testing this example, you'll need to give it time for the 
    // DNS to become available..  
    // ---- IMPORTANT ----
    success = rest.Connect("chilkat-secondary.blob.core.windows.net",port,bTls,bAutoReconnect);
    if (success == false) {
        console.log(rest.LastErrorText);
        return;
    }

    // Provide Azure Cloud credentials for the REST call.
    var azAuth = new chilkat.AuthAzureStorage();
    azAuth.AccessKey = "AZURE_ACCESS_KEY";
    // The account name used here should match the 1st part of the domain passed in the call to Connect (above).
    azAuth.Account = "chilkat";
    azAuth.Scheme = "SharedKey";
    azAuth.Service = "Blob";
    // This causes the "x-ms-version: 2021-08-06" header to be automatically added.
    azAuth.XMsVersion = "2021-08-06";
    success = rest.SetAuthAzureStorage(azAuth);

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

    var responseStr = rest.FullRequestNoBody("GET","/?restype=service&comp=stats");
    if (rest.LastMethodSuccess == false) {
        console.log(rest.LastErrorText);
        return;
    }

    // When successful, the Azure Storage service will respond with a 200 response code,
    // with an XML body.  
    if (rest.ResponseStatusCode !== 200) {
        // Examine the request/response to see what happened.
        console.log("response status code = " + rest.ResponseStatusCode);
        console.log("response status text = " + rest.ResponseStatusText);
        console.log("response header: " + rest.ResponseHeader);
        console.log("response body (if any): " + responseStr);
        console.log("---");
        console.log("LastRequestStartLine: " + rest.LastRequestStartLine);
        console.log("LastRequestHeader: " + rest.LastRequestHeader);
        return;
    }

    // Load the XML response for parsing.
    // An example of the response XML is shown below.
    var xml = new chilkat.Xml();
    success = xml.LoadXml(responseStr);

    console.log(xml.GetXml());

    // Use the ChilkatPath method to get various pieces of information out
    // of the XML.  For example:

    console.log("Status = " + xml.ChilkatPath("GeoReplication|Status|*"));
    var lastSyncTimeStr = xml.ChilkatPath("GeoReplication|LastSyncTime|*");
    console.log("LastSyncTime = " + lastSyncTimeStr);

    // The date/time string can be loaded into a CkDateTime object for 
    // access to individual parts, or conversion to other formats.
    var dateTime = new chilkat.CkDateTime();
    success = dateTime.SetFromRfc822(lastSyncTimeStr);

    // For example:
    var bLocalTime = true;
    var dt = new chilkat.DtObj();
    dateTime.ToDtObj(bLocalTime,dt);

    console.log(dt.Year + "/" + dt.Month + "/" + dt.Day);

    // <StorageServiceStats>
    //     <GeoReplication>
    //         <Status>live</Status>
    //         <LastSyncTime>Tue, 03 May 2016 23:57:54 GMT</LastSyncTime>
    //     </GeoReplication>
    // </StorageServiceStats>

}

chilkatExample();