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Add retries for token creation in tests #793

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vladem wants to merge 2 commits into from
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Add retries for token creation in tests #793

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f692658
Add retries for token creation in tests
May 14, 2026
072506a
Fix total retry time, add logging, retry in broader set of errors
May 21, 2026
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28 changes: 20 additions & 8 deletions tests/e2e-kubernetes/testsuites/credentials.go
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,7 @@ import (
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/fields"
"k8s.io/apimachinery/pkg/util/errors"
"k8s.io/apimachinery/pkg/util/wait"
k8sretry "k8s.io/client-go/util/retry"
"k8s.io/kubernetes/pkg/kubelet/events"
"k8s.io/kubernetes/test/e2e/framework"
Expand Down Expand Up @@ -1186,17 +1187,30 @@ func waitUntilRoleIsAssumableEKS[Input any, Output any](
})
}

// Retries CreateToken for up to ~15s to handle transient API server errors
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// (e.g. gRPC connection closing during token signing).
func createServiceAccountToken(ctx context.Context, f *framework.Framework, sa *v1.ServiceAccount, tokenRequest *authenticationv1.TokenRequest) *authenticationv1.TokenRequest {
saClient := f.ClientSet.CoreV1().ServiceAccounts(sa.Namespace)
var serviceAccountToken *authenticationv1.TokenRequest
backoff := wait.Backoff{Steps: 5, Duration: 500 * time.Millisecond, Factor: 2.0, Jitter: 0.1}
err := k8sretry.OnError(backoff, apierrors.IsInternalError, func() error {
var err error
serviceAccountToken, err = saClient.CreateToken(ctx, sa.Name, tokenRequest, metav1.CreateOptions{})
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return err
})
framework.ExpectNoError(err)
return serviceAccountToken
}

func waitUntilRoleIsAssumableWithWebIdentity(ctx context.Context, f *framework.Framework, sa *v1.ServiceAccount) {
roleARN := sa.Annotations[roleARNAnnotation]
framework.Logf("Waiting until IAM role %s for ServiceAccount %s is assumable with web identity", roleARN, sa.Name)

saClient := f.ClientSet.CoreV1().ServiceAccounts(sa.Namespace)
serviceAccountToken, err := saClient.CreateToken(ctx, sa.Name, &authenticationv1.TokenRequest{
serviceAccountToken := createServiceAccountToken(ctx, f, sa, &authenticationv1.TokenRequest{
Spec: authenticationv1.TokenRequestSpec{
Audiences: []string{serviceAccountTokenAudienceSTS},
},
}, metav1.CreateOptions{})
framework.ExpectNoError(err)
})

client := sts.NewFromConfig(awsConfig(ctx))
waitUntilRoleIsAssumableSTS(ctx, client.AssumeRoleWithWebIdentity, &sts.AssumeRoleWithWebIdentityInput{
Expand All @@ -1214,8 +1228,7 @@ func waitUntilRoleIsAssumableWithEKS(ctx context.Context, f *framework.Framework

framework.Logf("Waiting until IAM role for ServiceAccount %s is assumable for EKS Pod Identity (%s, %s, %s)", sa.Name, pod.Name, pod.UID, pod.Namespace)

saClient := f.ClientSet.CoreV1().ServiceAccounts(sa.Namespace)
serviceAccountToken, err := saClient.CreateToken(ctx, sa.Name, &authenticationv1.TokenRequest{
serviceAccountToken := createServiceAccountToken(ctx, f, sa, &authenticationv1.TokenRequest{
ObjectMeta: metav1.ObjectMeta{
Namespace: pod.Namespace,
},
Expand All @@ -1228,8 +1241,7 @@ func waitUntilRoleIsAssumableWithEKS(ctx context.Context, f *framework.Framework
UID: pod.UID,
},
},
}, metav1.CreateOptions{})
framework.ExpectNoError(err)
})

client := eksauth.NewFromConfig(awsConfig(ctx))
waitUntilRoleIsAssumableEKS(ctx, client.AssumeRoleForPodIdentity, &eksauth.AssumeRoleForPodIdentityInput{
Expand Down
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