migrate Pydantic to v2 config

[chrisgoddard]

Update Prometheus Pydantic class to use v2 configuration

Relevant issues

Fixes #7560

Type

🐛 Bug Fix

Changes

/litellm/litellm/types/integrations/prometheus.py

• Updated UserAPIKeyLabelValues - moved validation aliases into Field(validation_alias=...)
• Had to set validation alias to UserAPIKeyLabelNames.ITEM.value as it needs a string

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Name	Status	Preview	Comments	Updated (UTC)
litellm	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jan 29, 2025 5:16pm

[ishaan-jaff]

merging into staging branch to run testing

[ishaan-jaff]

fails linting checks https://app.circleci.com/pipelines/github/BerriAI/litellm/23432/workflows/fb949513-a70e-47a5-947a-c86f82ad9d6b/jobs/185173

can you look into this @chrisgoddard

integrations/prometheus.py:806: error: Missing named argument "model" for "UserAPIKeyLabelValues"  [call-arg]
integrations/prometheus.py:806: error: Missing named argument "litellm_model_name" for "UserAPIKeyLabelValues"  [call-arg]
integrations/prometheus.py:806: error: Missing named argument "model_id" for "UserAPIKeyLabelValues"  [call-arg]
integrations/prometheus.py:806: error: Missing named argument "api_base" for "UserAPIKeyLabelValues"  [call-arg]
integrations/prometheus.py:806: error: Missing named argument "api_provider" for "UserAPIKeyLabelValues"  [call-arg]
integrations/prometheus.py:806: error: Missing named argument "fallback_model" for "UserAPIKeyLabelValues"  [call-arg]
integrations/prometheus.py:848: error: Missing named argument "model" for "UserAPIKeyLabelValues"  [call-arg]
integrations/prometheus.py:848: error: Missing named argument "litellm_model_name" for "UserAPIKeyLabelValues"  [call-arg]
integrations/prometheus.py:848: error: Missing named argument "model_id" for "UserAPIKeyLabelValues"  [call-arg]
integrations/prometheus.py:848: error: Missing named argument "api_base" for "UserAPIKeyLabelValues"  [call-arg]
integrations/prometheus.py:848: error: Missing named argument "api_provider" for "UserAPIKeyLabelValues"  [call-arg]

[ishaan-jaff]

we run mypy for linting checks

[chrisgoddard]

hmmm - it's a false positive but I can rewrite to use Annotated types. see here #8096