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fix(kiro): Do not use OIDC region for API endpoint

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Kiro API endpoints only exist in us-east-1, but OIDC region can vary
by Enterprise user location (e.g., ap-northeast-2 for Korean users).

Previously, when ProfileARN was not available, the code fell back to
using OIDC region for API calls, causing DNS resolution failures:

  lookup codewhisperer.ap-northeast-2.amazonaws.com: no such host

This fix removes the OIDC region fallback for API endpoints.
The region priority is now:
1. api_region (explicit override)
2. ProfileARN region
3. us-east-1 (default)

Fixes: Issue #253 (200-400x slower response times due to DNS failures)
This commit is contained in:
taetaetae
2026-01-31 00:05:53 +09:00
parent b3b8d71dfc
commit fafef32b9e
1 changed files with 5 additions and 9 deletions
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14
internal/runtime/executor/kiro_executor.go
View File

@@ -398,8 +398,8 @@ var kiroEndpointConfigs = buildKiroEndpointConfigs(kiroDefaultRegion)
// Region priority:
// 1. auth.Metadata["api_region"] - explicit API region override
// 2. ProfileARN region - extracted from arn:aws:service:REGION:account:resource
// 3. auth.Metadata["region"] - OIDC/Identity region (may differ from API region)
// 4. kiroDefaultRegion (us-east-1) - fallback
// 3. kiroDefaultRegion (us-east-1) - fallback
// Note: OIDC "region" is NOT used - it's for token refresh, not API calls
func getKiroEndpointConfigs(auth *cliproxyauth.Auth) []kiroEndpointConfig {
if auth == nil {
return kiroEndpointConfigs
@@ -422,13 +422,9 @@ func getKiroEndpointConfigs(auth *cliproxyauth.Auth) []kiroEndpointConfig {
regionSource = "profile_arn"
}
}
// Priority 3: OIDC region (only if not already set from profile_arn)
if regionSource == "default" {
if r, ok := auth.Metadata["region"].(string); ok && r != "" {
region = r
regionSource = "region"
}
}
// Note: OIDC "region" field is NOT used for API endpoint
// Kiro API only exists in us-east-1, while OIDC region can vary (e.g., ap-northeast-2)
// Using OIDC region for API calls causes DNS failures
}
}