fix(amazon-bedrock): extract region from inference profile ARNs#5527
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badlogic merged 1 commit intoJun 9, 2026
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Application inference profile ARNs encode the region (arn:aws:bedrock:<region>:<account>:...) but the provider ignored it, falling through to AWS_REGION which may point to a different region. Extract the region from the ARN when present, taking priority over environment variables. Fixes earendil-works#4860
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Application inference profile ARNs encode the region
(
arn:aws:bedrock:<region>:<account>:...) but the provider ignored it,falling through to
AWS_REGIONwhich may point to a different region.Extract the region from the ARN when present, taking priority over
environment variables.
This is the solution proposed in #4860 (option 1: parse region from ARN).
Problem: In enterprise environments,
AWS_REGIONis commonly set toone region (e.g.
us-east-1) for general AWS CLI operations, whileBedrock inference profiles live in a different region (e.g.
us-west-2).The provider used
AWS_REGIONfor the Bedrock API call, causingValidationException: The provided model identifier is invalid.Fix: Add an ARN check as the first step in region resolution. If the
model ID matches
arn:aws:bedrock:<region>:..., use that region. Otherwisefall through to existing behavior (env vars, endpoint, defaults).
Fixes #4860