Lab 6.1. RESTful API Access

on the step 5: I saw failure status
student@cp:~$ curl https://192.168.100.202:6443/apis --header "Authorization: Bearer $token" -k
{
"kind": "Status",
"apiVersion": "v1",
"metadata": {},
"status": "Failure",
"message": "forbidden: User \"system:anonymous\" cannot get path \"/apis\"",
"reason": "Forbidden",
"details": {},
"code": 403
any idea or comment about this error?
thanks,
Arturo
Comments
-
Hi @eporart,
The IP address used in the
curl
command may be the key, however, I'd like to find out a few details about your cluster to be certain:- What node/VM/pod is assigned IP 192.168.100.202?
- What are the IP addresses of the cluster nodes?
- What IP subnet is used for pods? (found in the calico.yaml and the kueadm-config.yaml files)
Regards,
-Chris0 -
@eporart I think it's because you simply copy-pasted following command from training material and didn't fix secret name.
- export token=$(kubectl describe \
- secret default-token-jdqp7 |grep ˆtoken |cut -f7 -d' ')
You can just check if your
token
env variable is empty using commandecho $token
.By the way I've just found that service account tokens are not automatically ambient in secrets in 1.24+. Thus if you want to have one you have to create it manually.
0 -
thanks for your feeback
with this command work for me
student@cp:~$ kubectl create clusterrolebinding cluster-system-anonymons --clusterrole=cluster-admin --user=system:anonymous
clusterrolebinding.rbac.authorization.k8s.io/cluster-system-anonymons created
student@cp:~$ curl https://k8scp:6443/apis --header "Authorization: Bearer $token" -k
{
"kind": "APIGroupList",
"apiVersion": "v1",
"groups": [
{
"name": "apiregistration.k8s.io",
"versions": [0 -
@eporart You just provided anonymous user with cluster-admin's role permission and opened a big security hole to your cluster...
0 -
@oleksazhel, sure thanks for your information. let me try your recomendation
0 -
In the same exercise, in my test deployment using kubeadm init/join, I was missing the bearer token, so I had to create that secret. Instructions here:
https://kubernetes.io/docs/tasks/administer-cluster/access-cluster-api/
Specifically:
- # Create a secret to hold a token for the default service account
- kubectl apply -f - <<EOF
- apiVersion: v1
- kind: Secret
- metadata:
- name: default-token
- annotations:
- kubernetes.io/service-account.name: default
- type: kubernetes.io/service-account-token
- EOF
After that, the rest of the exercise worked.
0
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