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impersonation proxy test: handle admin users with UID such as on EKS 

Signed-off-by: Mo Khan <mok@vmware.com>
This commit is contained in:
Mo Khan 2021-05-10 00:50:59 -04:00 committed by Monis Khan
parent 88ff3164a2
commit 0770682bf9
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1 changed files with 41 additions and 1 deletions
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42
test/integration/concierge_impersonation_proxy_test.go
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@ -622,7 +622,12 @@ func TestImpersonationProxy(t *testing.T) { //nolint:gocyclo // yeah, it's compl
expectedOriginalUserInfo := authenticationv1.UserInfo{
Username: whoAmIAdmin.Status.KubernetesUserInfo.User.Username,
// The WhoAmI API is lossy so this will fail when the admin user actually does have a UID
UID: whoAmIAdmin.Status.KubernetesUserInfo.User.UID,
// Thus we fallback to the CSR API to grab the UID
UID: getUIDViaCSR(ctx, t, whoAmIAdmin.Status.KubernetesUserInfo.User.UID,
newImpersonationProxyClientWithCredentials(t,
clusterAdminCredentials, impersonationProxyURL, impersonationProxyCACertPEM, nil).
Kubernetes,
),
Groups: whoAmIAdmin.Status.KubernetesUserInfo.User.Groups,
Extra: expectedExtra,
}
@ -1725,3 +1730,38 @@ func getCredForConfig(t *testing.T, config *rest.Config) *loginv1alpha1.ClusterC
return out
}
func getUIDViaCSR(ctx context.Context, t *testing.T, uid string, client kubernetes.Interface) string {
t.Helper()
if len(uid) != 0 {
return uid // in the future this may not be empty on some clusters
}
privateKey, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
require.NoError(t, err)
csrPEM, err := cert.MakeCSR(privateKey, &pkix.Name{
CommonName: "panda-man",
Organization: []string{"living-the-dream", "need-more-sleep"},
}, nil, nil)
require.NoError(t, err)
csrName, _, err := csr.RequestCertificate(
client,
csrPEM,
"",
certificatesv1.KubeAPIServerClientSignerName,
[]certificatesv1.KeyUsage{certificatesv1.UsageClientAuth},
privateKey,
)
require.NoError(t, err)
csReq, err := client.CertificatesV1beta1().CertificateSigningRequests().Get(ctx, csrName, metav1.GetOptions{})
require.NoError(t, err)
err = client.CertificatesV1beta1().CertificateSigningRequests().Delete(ctx, csrName, metav1.DeleteOptions{})
require.NoError(t, err)
return csReq.Spec.UID
}