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fix(endpoints): scope the cross-partition route to the four documented partitions #24

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Merged
kanywst merged 1 commit into from
Nov 11, 2026
Merged

fix(endpoints): scope the cross-partition route to the four documented partitions #24

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4 changes: 2 additions & 2 deletions src/features/endpoints/decide.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -24,8 +24,8 @@ export function decide(a: Answers): Decision {
asked: ["commercial"],
host: "sts.<region>.<partition suffix>",
why: {
en: "China, GovCloud, the European Sovereign Cloud and ISO partitions have no global endpoint. Use that partition's Regional endpoint. Credentials from one partition are not valid in another; to reach another partition, exchange a `GetWebIdentityToken` JWT with `AssumeRoleWithWebIdentity` there (cross-partition federation, since November 2026).",
ja: "中国・GovCloud・European Sovereign Cloud・ISO にはグローバルエンドポイントがありません。そのパーティションのリージョナルを使います。あるパーティションの認証情報は別のパーティションでは無効です。別パーティションに入るには、`GetWebIdentityToken` の JWT を相手側の `AssumeRoleWithWebIdentity` で交換します (2026 年 11 月からのクロスパーティションフェデレーション)。",
en: "China, GovCloud, the European Sovereign Cloud and ISO partitions have no global endpoint. Use that partition's Regional endpoint. Credentials from one partition are not valid in another; between the commercial, China, GovCloud (US) and European Sovereign Cloud partitions, exchange a `GetWebIdentityToken` JWT with `AssumeRoleWithWebIdentity` in the destination partition (cross-partition federation, since November 2026). AWS does not document this route for ISO partitions.",
ja: "中国・GovCloud・European Sovereign Cloud・ISO にはグローバルエンドポイントがありません。そのパーティションのリージョナルを使います。あるパーティションの認証情報は別のパーティションでは無効です。商用・中国・GovCloud (US)・European Sovereign Cloud の間では、`GetWebIdentityToken` の JWT を移動先パーティションの `AssumeRoleWithWebIdentity` で交換して入れます (2026 年 11 月からのクロスパーティションフェデレーション)。ISO パーティションでのこの経路は AWS のドキュメントにありません。",
},
};
if (a.fips) {
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