i am getting an error while using azure stprage blob sdk while undeleting a container which is deleted

Question

i am getting an error while using azure stprage blob sdk while undeleting a container which is deleted.

These are the package versions i am using:

azure-storage-blob = "=12.18.3" azure-mgmt-storage = "=21.1.0"

i have created the blobserviceclient and calling undelete_container function to recover a deleted container.

Create the BlobServiceClient object

blob_service_client = BlobServiceClient(storage_account_url, credential=default_credential)
recovered_containers = blob_service_client.undelete_container(container_name, deleted_container_version = '')

the issue i am facing is "deleted_container_version" is a mandatory parameter for undelete_container. but i dont know what is the value to be provided. This is defined as a string parameter.

What should be the value i neeed to pass?

this is the properties i see on deleted container.

please guide me in fixing this. Thank you in advance

i did tried with deleted_container_version as an empty string, latest values, without passing.

while not passing deleted_container_version getting an error stating deleted_container_version is a mandatory parameter and needs to be passed.

while passing them as empty string or latest, getting an error stating the header version was an invalid value or something like that,

Answer 1

I am getting an error while using Azure storage blob sdk while undeleting a container that is deleted.

I agree with KKI's comment to get the deleted containers first list the container with include_deleted=True from that you can get the version of your container.

To undelete particular container test from Azure blob storage you can use the below Python code.

Code:

from azure.storage.blob import BlobServiceClient
from azure.identity import DefaultAzureCredential

storage_account_url="https://xxxx.blob.core.windows.net/"
default_credential=DefaultAzureCredential()
blob_service_client = BlobServiceClient(storage_account_url, credential=default_credential)

for container in blob_service_client.list_containers(include_metadata=True, include_deleted=True):
    if container.name == "<container name>":
        version_id = container.version
        break


blob_service_client.undelete_container("test", deleted_container_version=version_id)

Output:

If you need to undelete all container you can use the below code.

Code:

from azure.storage.blob import BlobServiceClient
from azure.identity import DefaultAzureCredential

storage_account_url="https://venkat901.blob.core.windows.net/"
default_credential=DefaultAzureCredential()
blob_service_client = BlobServiceClient(storage_account_url, credential=default_credential)

for container in blob_service_client.list_containers(include_metadata=True, include_deleted=True):
    if container.deleted:
        version_id = container.version
        container_name = container.name
        
        blob_service_client.undelete_container(container_name, deleted_container_version=version_id)

Output:

Reference:

List blob containers with Python - Azure Storage | Microsoft Learn

Answer 2

This piece of code works.

def recover_soft_deleted_containers_on_storage_account(storage_account: str, container_name: str):
    """
    recover soft deleted containers.
    Operation will only be successful if used within the specified number of days set in the delete retention policy.

    Args:
        storage_account:
        container_name:

    Returns:

    """
    blob_service_client = create_blob_service_client(storage_account=storage_account)
    container_list = list(blob_service_client.list_containers(include_deleted=True))
    assert len(container_list) >= 1
    for container in container_list:
        # Find the deleted container and restore it
        if container.deleted and container.name == container_name:
            restored_container_client = blob_service_client.undelete_container(
                deleted_container_name=container.name, deleted_container_version=container.version)
    print(f"Container {container_name} recovered from {storage_account}")