failed to verify certificate: x509: “*.s3.eu-central-1.amazonaws.com” certificate is not standards compliant

[Imafikus]

/kind bug

1. What kops version are you running? The command kops version, will display
this information.

1.30.1

2. What Kubernetes version are you running? kubectl version will print the
version if a cluster is running or provide the Kubernetes version specified as
a kops flag.

1.31.3

3. What cloud provider are you using?

Hetzner with state bucket hosted on AWS

4. What commands did you run? What is the simplest way to reproduce this issue?

export HCLOUD_TOKEN=""
export S3_ACCESS_KEY_ID=""
export S3_SECRET_ACCESS_KEY=""
export KOPS_STATE_STORE=""
export S3_ENDPOINT=""
export S3_REGION=""

kops export kubeconfig my.cluster.k8s.local --admin

5. What happened after the commands executed?

Error described in the 8. question

6. What did you expect to happen?

To successfully log in to cluster

7. Please provide your cluster manifest. Execute
kops get --name my.example.com -o yaml to display your cluster manifest.
You may want to remove your cluster name and other sensitive information.

8. Please run the commands with most verbose logging by adding the -v 10 flag.
Paste the logs into this report, or in a gist and provide the gist link here.

I0403 19:55:37.847047 9220 factory.go:82] state store s3://nm-kops-cluster-state
I0403 19:55:37.848099 9220 s3context.go:106] Found S3_ENDPOINT="https://s3.eu-central-1.amazonaws.com/", using as non-AWS S3 backend
I0403 19:55:37.849055 9220 s3fs.go:385] Reading file "s3://nm-kops-cluster-state/fsn1-production.notify-me.k8s.local/config"
Error: error reading cluster configuration: error reading cluster configuration "fsn1-production.notify-me.k8s.local": error reading s3://nm-kops-cluster-state/fsn1-production.notify-me.k8s.local/config: error fetching s3://nm-kops-cluster-state/fsn1-production.notify-me.k8s.local/config: operation error S3: GetObject, exceeded maximum number of attempts, 3, https response error StatusCode: 0, RequestID: , HostID: , request send failed, Get "https://s3.eu-central-1.amazonaws.com/nm-kops-cluster-state/fsn1-production.notify-me.k8s.local/config?x-id=GetObject": tls: failed to verify certificate: x509: “*.s3.eu-central-1.amazonaws.com” certificate is not standards compliant
Disconnect completedError: rpc error: code = Unknown desc = failed to get configmap kubevpn-traffic-manager, err: Unauthorized

9. Anything else do we need to know?

Started happening yesterday, reason unknown

[Imafikus]

Magically solved by reinstalling kops. Steps I took:

brew uninstall kops 

brew install kops