bind_roles.sh

#!/bin/bash


# Bind admin role
cat <<EOF | kubectl apply -f -
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: admin-role
rules:
- apiGroups: [""]
  resources: ["*"]
  verbs: ["get", "list", "watch", "create", "update", "patch", "delete"]
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: admin-binding
subjects:
- kind: Group
  name: admins
  apiGroup: rbac.authorization.k8s.io
roleRef:
  kind: ClusterRole
  name: admin-role
  apiGroup: rbac.authorization.k8s.io
EOF

# Bind developers role
cat <<EOF | kubectl apply -f -
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: dev-view-role
rules:
- apiGroups: [""]
  resources: ["*"]
  verbs: ["get", "watch", "list"]
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: dev-view-binding
subjects:
- kind: Group
  name: developers
  apiGroup: rbac.authorization.k8s.io
roleRef:
  kind: ClusterRole
  name: dev-view-role
  apiGroup: rbac.authorization.k8s.io
EOF

# Bind principal developer role
cat <<EOF | kubectl apply -f -
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: dev-ro-role
rules:
- apiGroups: [""]
  resources: ["*"]
  verbs: ["get", "list", "watch", "create", "update", "patch", "delete"]
---
apiVersion: rbac.authorization.k8s.io/v1
kind: RoleBinding
metadata:
  name: dev-ro-binding
  namespace: test
subjects:
- kind: User
  name: superdev
  apiGroup: rbac.authorization.k8s.io
roleRef:
  kind: ClusterRole
  name: dev-ro-role
  apiGroup: rbac.authorization.k8s.io
EOF