Llama Index access with Azure OpenAI Managed Identity

[himanshu-msft]

When trying to access llama-index using Azure OpenAI, is it possible to use Azure Managed Identity instead of adding api_key in parameter?

[dosubot[bot]]

Yes, you can access the Llama Index using Azure OpenAI with Azure Managed Identity instead of directly providing an api_key. The process involves setting the use_azure_ad field to True in the AzureOpenAI class, which then uses Azure AD for token authentication. This method leverages the DefaultAzureCredential from the azure.identity package to authenticate and obtain tokens for Azure Cognitive Services access, ensuring a secure and convenient authentication method without the need for explicit API keys.

Here's a brief overview of what you need to do:

• Ensure the use_azure_ad field is set to True to enable Azure AD authentication.
• Use the DefaultAzureCredential method to handle authentication in your application.
• Set necessary environment variables such as OPENAI_API_VERSION, AZURE_OPENAI_ENDPOINT, and optionally AZURE_OPENAI_API_KEY if not using Azure AD.
• Ensure your Azure Managed Identity has the correct permissions or roles to access Azure OpenAI services.

This approach requires some setup on the Azure side, including configuring Azure AD token provider and ensuring your application has the correct permissions to access the necessary Azure resources. Additionally, be aware of any limitations with the embedding model, region, model version, and the requirement for a deployment name when initializing AzureOpenAI.

For detailed implementation, refer to the source code and documentation provided in the Llama Index GitHub repository. This will guide you through setting up Azure Managed Identity, refreshing the Azure AD token, and initializing AzureOpenAI with the necessary configurations for secure and efficient access to the Llama Index using Azure OpenAI.

Details

Sources

• [Feature Request]: add azure_ad_token_provider support for AzureOpenAI and AzureOpenAIEmbedding
• openai.error.AuthenticationError: No API key provided. You can set your API key in code using 'openai.api_key = ', or you can set the environment variable OPENAI_API_KEY=). If your API key is stored in a file, you can point the openai module at it with 'openai.api_key_path = '. You can generate API keys in the OpenAI web interface.
• llama-index-legacy/llama_index/legacy/multi_modal_llms/azure_openai.py
• llama-index-legacy/llama_index/legacy/llms/azure_openai.py
• llama-index-integrations/llms/llama-index-llms-azure-openai/llama_index/llms/azure_openai/utils.py
• docs/docs/examples/customization/llms/AzureOpenAI.ipynb
• docs/docs/examples/llm/azure_openai.ipynb
• llama-index-integrations/llms/llama-index-llms-azure-openai/llama_index/llms/azure_openai/base.py
• llama-index-integrations/embeddings/llama-index-embeddings-azure-openai/llama_index/embeddings/azure_openai/base.py

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