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Ensuring Consistent Workflow Behavior Across Environments in Logic App Standard

Copyright & Fact Checker 18 October 2024

Maintaining consistent behavior across development, testing, and production environments is crucial for any integration workflow. This article details how to configure a specific public bundle for long-term use in Logic App Standard, ensuring your workflows perform identically throughout the development cycle.

Why You Need This:

By default, Logic App Standard automatically upgrades to the latest bundle version, potentially causing unexpected behavior in different environments. This guide helps you lock your application to a specific, stable bundle version, guaranteeing consistent performance.

Here’s How:

1. Locate the Bundle: Access your Logic App Standard instance using Kudu. Navigate to `C:\Program Files (x86)\FuncExtensionBundles\Microsoft.Azure.Functions.ExtensionBundle.Workflows`. You can also confirm the current bundle version from the workflow overview page in a lower environment (e.g., dev or UAT). Download this specific bundle.

2. Create a Special Version: Modify the downloaded bundle’s `version` property in the `bundle.json` file (located in the root folder) to a unique number like `1.99.99`. Compress the entire modified folder (excluding the root directory) into a ZIP file.

3. Upload the Bundle: Within Kudu, navigate to the file share (`\home`). If you haven’t used private bundles before, create a path like `\home\data\FunctionsxtensionBundles\Microsoft.Azure.Functions.ExtensionBundle.Workflows\[version number (e.g., 1.99.99)]`. Drag and drop your ZIP file here. Kudu will automatically unzip and upload it (approximately 10 minutes).

4. Set the Environment Variable: In your environment variables, modify `AzureFunctionsJobHost__extensionBundle__version` from the default (`[1., 2.0.0)`) to your chosen version (e.g., `[1.99.99]`). Save the change. Logic App Standard will automatically restart.

5. Verify the Version: Once the runtime reboots, open any workflow and verify the bundle version (a forced refresh using Ctrl+F5 might be required). This confirms you’re now running on your desired, stable bundle version.

By following these steps, you ensure your Logic App Standard workflows behave identically across environments, streamlining your development and deployment process.

Sources: Wikipedia, Digital Nomads Forum, Internet Archive, Undercode Ai & Community, Techcommunity.microsoft.com
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