Add CloudWatch Logging Support

[mfittko]

Add CloudWatch Logging Support

Relevant issues

Implements enhanced logging capability for AWS CloudWatch

Pre-Submission checklist

• I have Added testing in the tests/litellm/ directory
• My PR passes all unit tests on make test-unit
• My PR's scope is as isolated as possible, it only solves 1 specific problem

Type

🆕 New Feature
✅ Test

Changes

This PR adds support for AWS CloudWatch logging integration to LiteLLM.

Summary

Implements complete CloudWatch logging integration. This allows:

1. Logging LiteLLM activity to AWS CloudWatch
2. Standardized log format across all logging destinations

Implementation Details

File	Change Type	Description
litellm/integrations/cloud_watch.py	New	CloudWatch integration module
litellm/litellm_core_utils/litellm_logging.py	Modified	Refactored AWS logging support
litellm/utils.py	Modified	Added CloudWatch to async callback logic
litellm/init.py	Modified	Added cloudwatch_callback_params attribute

Testing

• Added comprehensive tests for CloudWatch integration in tests/litellm/integrations/test_cloud_watch.py
• Fixed test initialization issues with proper DualCache mocking

Configuration

CloudWatch logging can be configured in LiteLLM config using:

litellm_settings:
  telemetry: True
  success_callback: ["cloudwatch"]
  cloudwatch_callback_params:
    log_group_name: /litellm
    aws_region: eu-central-1

[mfittko]

remove again