create cluster admin for token

Author: Jnig

scripts/2_setup_kubernetes.sh

@@ -33,6 +33,25 @@ function setup_kubectl {
     cp -i /etc/kubernetes/admin.conf /root/.kube/config
 
     aws s3 cp /etc/kubernetes/admin.conf s3://$(cat /etc/terraform/s3_bucket) --region eu-central-1
+
+    kubectl create serviceaccount cluster-admin -n kube-system
+    cat <<EOF >/tmp/cluster-admin.yaml
+    apiVersion: rbac.authorization.k8s.io/v1beta1
+    kind: ClusterRoleBinding
+    metadata:
+      name: cluster-admin
+      labels:
+        k8s-app: cluster-admin
+    roleRef:
+      apiGroup: rbac.authorization.k8s.io
+      kind: ClusterRole
+      name: cluster-admin
+    subjects:
+    - kind: ServiceAccount
+      name: cluster-admin
+      namespace: kube-system
+EOF
+    su ubuntu -c "kubectl apply -f /tmp/cluster-admin.yaml" -n kube-system
 }
 
 function setup_network {