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If you do need to apply such a policy, remember to exclude containers used by Functions, which are usually prefixed with azure-webjobs or scm. Because of this, you shouldn't apply such policies to the storage account used by Functions. When you apply a lifecycle management policy to your Blob Storage account, the policy may remove blobs needed by the Functions host. Lifecycle management policy considerationsįunctions uses Blob storage to persist important information, such as function access keys. However, this approach isn't always a good idea in a production environment. The same storage account used by your function app can also be used to store your application data. In this case, the emulator acts like a single storage account. For example, in Visual Studio you can develop multiple apps using the Azure Storage Emulator. It's possible for multiple function apps to share the same storage account without any issues. Read more about storage key management here. The storage account connection string must be updated when you regenerate storage keys. The storage account connection is maintained in the AzureWebJobsStorage application setting. If, for some reason, you need to use a storage account in a region different than your function app, you must create your function app outside of the portal. The Azure portal enforces this best practice. Storage account locationįor best performance, your function app should use a storage account in the same region, which reduces latency. The following additional considerations apply to the Storage account used by function apps.
#Webjobs azure storage emulator how to
To troubleshoot storage-related issues, see How to troubleshoot storage-related issues. If that account is deleted your function app won't run. Storage account guidanceĮvery function app requires a storage account to operate. To learn more, see Storage account location.
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In this flow, you are only allowed to choose existing storage accounts in the same region as the function app you're creating. In the portal, unsupported accounts are filtered out when choosing an existing storage account while creating a function app. Storage accounts created as part of the function app create flow in the Azure portal are guaranteed to meet these storage account requirements. While you can use an existing storage account with your function app, you must make sure that it meets these requirements. To learn more about storage account types, see Storage account overview. These accounts include blob-only storage accounts and Azure Premium Storage. Some storage accounts don't support queues and tables. This is because Functions relies on Azure Storage for operations such as managing triggers and logging function executions. When creating a function app, you must create or link to a general-purpose Azure Storage account that supports Blob, Queue, and Table storage.
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When you delete the main storage account, this content is deleted and cannot be recovered.
#Webjobs azure storage emulator code
I'm trying to connect to the local storage emulator, so my using the Consumption/Premium hosting plan, your function code and binding configuration files are stored in Azure Files in the main storage account. : Storage account connection string for 'AzureWebJobsStorage' is invalid. : Exception while executing function: Functions.Index. Executing 'Functions.Index' (Reason='This function was programmatically called via the host APIs.', Id=8e0b2761-3730-44de-b1a1-f3bcc74d9d6b) Info: Įxecuting endpoint 'gRPC - /AzureFunctionsRpcMessages.FunctionRpc/EventStream' Request starting HTTP/2 POST application/grpc. For detailed output, run func with -verbose flag.