Xojo Plugin

Azure Storage: Delete Container

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Azure Storage Blob Service REST API: Sample code to mark a container for deletion. The container and any blobs contained within it are later deleted during garbage collection. Xojo Plugin

Dim success As Boolean
success = False

// Azure Blob Service Example: Delete Container
// See also: https://msdn.microsoft.com/en-us/library/azure/dd179408.aspx

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

Dim rest As New Chilkat.Rest

// Connect to the Azure Storage Blob Service
Dim bTls As Boolean
bTls = True
Dim port As Int32
port = 443
Dim bAutoReconnect As Boolean
bAutoReconnect = True
// In this example, the storage account name is "chilkat".
success = rest.Connect("chilkat.blob.core.windows.net",port,bTls,bAutoReconnect)
If (success <> True) Then
    System.DebugLog(rest.LastErrorText)
    Return
End If

// Provide Azure Cloud credentials for the REST call.
Dim azAuth As 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.

// To call Delete Container on a container that has an active lease, specify the lease ID in this header. 
// If this header is not specified when there is an active lease, Delete Container will return 409 (Conflict). 
// If you specify the wrong lease ID, or a lease ID on a container that does not have an active lease, 
// Delete Container will return 412 (Precondition failed).

// IMPORTANT: Delete this line, or insert a valid lease ID, otherwise the request
// will fail with a 400 status code..
success = rest.AddHeader("x-ms-lease-id","SOME_LEASE_ID")

// The expected success response is a 202 response status code with no response body.
// In this example, the container to be deleted is named "mycontainer".
Dim responseStr As String
responseStr = rest.FullRequestNoBody("DELETE","/mycontainer?restype=container")
If (rest.LastMethodSuccess <> True) Then
    System.DebugLog(rest.LastErrorText)
    Return
End If

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

// If the container with the same name already exists, then the operation will fail.
If (rest.ResponseStatusCode <> 202) Then
    // Examine the request/response to see what happened.
    System.DebugLog("response status code = " + Str(rest.ResponseStatusCode))
    System.DebugLog("response status text = " + rest.ResponseStatusText)
    System.DebugLog("response header: " + rest.ResponseHeader)
    System.DebugLog("response body (if any): " + responseStr)
    System.DebugLog("---")
    System.DebugLog("LastRequestStartLine: " + rest.LastRequestStartLine)
    System.DebugLog("LastRequestHeader: " + rest.LastRequestHeader)
    Return
End If

System.DebugLog("Success: Container marked for deletion.")