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Fix Bedrock IAM for cross-region inference profiles #47

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Merged
Alexanderamiri merged 2 commits into from
Mar 12, 2026
Merged

Fix Bedrock IAM for cross-region inference profiles #47

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9ba7dd2
Fix Bedrock IAM: add foundation model ARNs for EU destination regions
Alexanderamiri Mar 12, 2026
516fde7
Fix Bedrock IAM: wildcard eu-* for foundation models, fail on review …
Alexanderamiri Mar 12, 2026
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5 changes: 5 additions & 0 deletions scripts/extract-review-risk.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -21,3 +21,8 @@ fi

echo "risk_level=${RISK}" >> "$GITHUB_OUTPUT"
echo "LLM review risk: ${RISK}"

if [ "$RISK" = "FAILED" ]; then
echo "LLM review failed — blocking pipeline."
exit 1
fi
19 changes: 18 additions & 1 deletion terraform/platform/iam/main.tf
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Expand Up @@ -94,14 +94,31 @@ resource "aws_iam_role_policy" "ci_infra_plan_extras" {
Resource = "arn:aws:s3:::${var.project}-ci-plan-artifacts-${var.aws_account_id}/*"
},
{
Sid = "BedrockForReview"
Sid = "BedrockInferenceProfile"
Effect = "Allow"
Action = [
"bedrock:InvokeModel",
"bedrock:Converse",
]
Resource = "arn:aws:bedrock:${var.region}:${var.aws_account_id}:inference-profile/eu.anthropic.*"
},
{
# Cross-region inference profiles route to foundation models in EU
# destination regions. IAM requires access to destination model ARNs.
# Condition scopes this to only work via our inference profiles.
Sid = "BedrockFoundationModels"
Effect = "Allow"
Action = [
"bedrock:InvokeModel",
"bedrock:Converse",
]
Resource = "arn:aws:bedrock:eu-*::foundation-model/anthropic.*"
Condition = {
StringLike = {
"bedrock:InferenceProfileArn" = "arn:aws:bedrock:${var.region}:${var.aws_account_id}:inference-profile/eu.anthropic.*"
}
}
},
{
Sid = "SSMReadSlackWebhook"
Effect = "Allow"
Expand Down
49 changes: 35 additions & 14 deletions terraform/platform/lambdas/main.tf
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,11 @@
locals {
lambda_src_path = "${path.module}/../../lambda-src"
github_org_url = "https://github.com/javaBin"

# EU cross-region inference profiles route to any eu-* region.
# IAM requires foundation model access in destination regions.
bedrock_eu_foundation_model_arns = "arn:aws:bedrock:eu-*::foundation-model/anthropic.*"
bedrock_inference_profile_arn = "arn:aws:bedrock:${var.region}:${var.aws_account_id}:inference-profile/eu.anthropic.*"
}

################################################################################
Expand Down Expand Up @@ -159,13 +164,21 @@ resource "aws_iam_role_policy" "slack_alert" {
]
},
{
Sid = "Bedrock"
Effect = "Allow"
Action = [
"bedrock:InvokeModel",
"bedrock:Converse",
]
Resource = "arn:aws:bedrock:${var.region}:${var.aws_account_id}:inference-profile/eu.anthropic.*"
Sid = "BedrockInferenceProfile"
Effect = "Allow"
Action = ["bedrock:InvokeModel", "bedrock:Converse"]
Resource = local.bedrock_inference_profile_arn
},
{
Sid = "BedrockFoundationModels"
Effect = "Allow"
Action = ["bedrock:InvokeModel", "bedrock:Converse"]
Resource = local.bedrock_eu_foundation_model_arns
Condition = {
StringLike = {
"bedrock:InferenceProfileArn" = local.bedrock_inference_profile_arn
}
}
},
{
Sid = "PricingRead"
Expand Down Expand Up @@ -236,13 +249,21 @@ resource "aws_iam_role_policy" "cost_report" {
Resource = "*"
},
{
Sid = "Bedrock"
Effect = "Allow"
Action = [
"bedrock:InvokeModel",
"bedrock:Converse",
]
Resource = "arn:aws:bedrock:${var.region}:${var.aws_account_id}:inference-profile/eu.anthropic.*"
Sid = "BedrockInferenceProfile"
Effect = "Allow"
Action = ["bedrock:InvokeModel", "bedrock:Converse"]
Resource = local.bedrock_inference_profile_arn
},
{
Sid = "BedrockFoundationModels"
Effect = "Allow"
Action = ["bedrock:InvokeModel", "bedrock:Converse"]
Resource = local.bedrock_eu_foundation_model_arns
Condition = {
StringLike = {
"bedrock:InferenceProfileArn" = local.bedrock_inference_profile_arn
}
}
},
]
})
Expand Down
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