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Add the issuer domain for EUSC #10493

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Merged
AndrewAsseily merged 1 commit into from
Jul 16, 2026
+8 −0
Merged

Add the issuer domain for EUSC #10493

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5 changes: 5 additions & 0 deletions .changes/next-release/bugfix-sso-31940.json
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Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
{
"type": "bugfix",
"category": "``sso``",
"description": "Fix SSO login failure in the EUSC partition by adding the issuer domain ``identitycenter.amazonaws.eu`` to the SSO start URL resolver allowlist."
}
1 change: 1 addition & 0 deletions awscli/customizations/sso/resolve.py
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Expand Up @@ -37,6 +37,7 @@
_AWS_OWNED_EXACT = (
'identitycenter.amazonaws.com',
'identitycenter.amazonaws.com.cn',
'identitycenter.amazonaws.eu',
)

_REGION_PATTERNS = (
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2 changes: 2 additions & 0 deletions tests/unit/customizations/sso/test_resolve.py
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Expand Up @@ -47,6 +47,7 @@ class TestIsAwsOwnedDomain:
'ssoins-abc123.portal.cn-north-1.app.amazonwebservices.com.cn',
'ssoins-abc123.eusc-de-east-1.portal.amazonaws.eu',
'ssoins-abc123.portal.eusc-de-east-1.api.amazonwebservices.eu',
'identitycenter.amazonaws.eu',
],
)
def test_aws_owned_returns_true(self, hostname):
Expand Down Expand Up @@ -112,6 +113,7 @@ def test_extracts_region(self, hostname, expected_region):
'd-abc123.awsapps.cn',
'identitycenter.amazonaws.com',
'identitycenter.amazonaws.com.cn',
'identitycenter.amazonaws.eu',
'aws.mycompany.com',
],
)
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