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With Azure Blob storage is it possible to either have an individual blob or all blobs within a container delete themselves after a certain period of time similar to Amazon AWS S3's Object Expiration Feature? Or does Azure storage not provide such functionality?
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When you enable blob soft delete for a storage account, you specify a retention period for deleted objects of between 1 and 365 days. The retention period indicates how long the data remains available after it's deleted or overwritten.
Using Azure Portal 04 Click on the name of the Azure Storage account that you want to examine. 05 In the navigation panel, under Blob service, click Data Protection to access the Soft Delete feature configuration settings. 06 On the Data Protection page, check the Turn on soft delete for blobs configuration setting.
The default retention period is seven days. During the retention period, you can recover a deleted container by calling the Restore Container operation. When you restore a container, the container's blobs and any blob versions and snapshots are also restored.
It is possible with the Azure Blob storage lifecycle. Please take a look here
https://docs.microsoft.com/en-us/azure/storage/blobs/storage-lifecycle-management-concepts?tabs=azure-portal
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Because I've missed the feature for years I wrote a small project with a nice 'Deploy to Azure button'. Not yet perfect but works https://github.com/nulllogicone/ExpireBlobFunction
And now I see that Microsoft has released this as a feature on March 27, 2019.
Excerpt from that article:
Azure Blob storage lifecycle management offers a rich, rule-based policy for GPv2 and Blob storage accounts. Use the policy to transition your data to the appropriate access tiers or expire at the end of the data's lifecycle.
The lifecycle management policy lets you:
- Transition blobs to a cooler storage tier (hot to cool, hot to archive, or cool to archive) to optimize for performance and cost
- Delete blobs at the end of their lifecycles
- Define rules to be run once per day at the storage account level Apply rules to containers or a subset of blobs (using prefixes as filters)
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