我希望为本机Kubernetes集群创建服务帐户,以便发送API调用:
kubernetes@kubernetes1:~$ kubectl create serviceaccount user1
serviceaccount/user1 created
kubernetes@kubernetes1:~$ kubectl create clusterrole nodeaccessrole --verb=get --verb=list --verb=watch --resource=nodes
clusterrole.rbac.authorization.k8s.io/nodeaccessrole created
kubernetes@kubernetes1:~$ kubectl create clusterrolebinding nodeaccessrolebinding --serviceaccount=default:user1 --clusterrole=nodeaccessrole
clusterrolebinding.rbac.authorization.k8s.io/nodeaccessrolebinding created
kubernetes@kubernetes1:~$
kubernetes@kubernetes1:~$ kubectl get serviceaccount user1
NAME    SECRETS   AGE
user1   0         7m15s
kubernetes@kubernetes1:~$你知道我怎么才能拿到钱吗?
v1.25.1:的解决方案
kubectl create sa cicd
kubectl get sa,secret
cat <<EOF | kubectl apply -f -
apiVersion: v1
kind: Pod
metadata:
  name: cicd
spec:
  serviceAccount: cicd
  containers:
  - image: nginx
    name: cicd
EOF
kubectl exec cicd -- cat /run/secrets/kubernetes.io/serviceaccount/token && echo
kubectl exec cicd cat /run/secrets/kubernetes.io/serviceaccount/token && echo
kubectl create token cicd
kubectl create token cicd --duration=999999h
cat <<EOF | kubectl apply -f -
apiVersion: v1
kind: Secret
type: kubernetes.io/service-account-token
metadata:
  name: cicd
  annotations:
    kubernetes.io/service-account.name: "cicd"
EOF
kubectl get sa,secret
kubectl  describe secret cicd
kubectl   describe sa cicd
kubectl   get sa cicd -oyaml
kubectl   get sa,secret有一件事还不清楚:
kubectl exec cicd -- cat /run/secrets/kubernetes.io/serviceaccount/token && echo
    
kubectl exec cicd cat /run/secrets/kubernetes.io/serviceaccount/token && echo我应该在上面的命令中使用“-”吗?
发布于 2022-09-26 11:18:04
如果您只想从给定的SA中检索令牌,只需执行:
kubectl get secret $(kubectl get sa <sa-name> -o jsonpath='{.secrets[0].name}' -n <namespace>) -o jsonpath='{.data.token}' -n <namespace> | base64 --decode如果您不想解码,可以随意删除| base64 --decode。就像一个边节点一样,这个命令可能需要根据秘密的类型进行修改,但是对于用例,这个命令应该可以工作。
一旦有了值,就可以执行curl命令,例如:
curl -k -H "Authorization: Bearer $TOKEN" -X GET "https://<KUBE-API-IP>:6443/api/v1/nodes"https://stackoverflow.com/questions/73852672
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