const (
    // NodeBootstrapperClusterRoleName defines the name of the auto-bootstrapped ClusterRole for letting someone post a CSR
    // TODO: This value should be defined in an other, generic authz package instead of here
    NodeBootstrapperClusterRoleName = "system:node-bootstrapper"
    // NodeKubeletBootstrap defines the name of the ClusterRoleBinding that lets kubelets post CSRs
    NodeKubeletBootstrap = "kubeadm:kubelet-bootstrap"

    // CSRAutoApprovalClusterRoleName defines the name of the auto-bootstrapped ClusterRole for making the csrapprover controller auto-approve the CSR
    // TODO: This value should be defined in an other, generic authz package instead of here
    // Starting from v1.8, CSRAutoApprovalClusterRoleName is automatically created by the API server on startup
    CSRAutoApprovalClusterRoleName = "system:certificates.k8s.io:certificatesigningrequests:nodeclient"
    // NodeSelfCSRAutoApprovalClusterRoleName is a role defined in default 1.8 RBAC policies for automatic CSR approvals for automatically rotated node certificates
    NodeSelfCSRAutoApprovalClusterRoleName = "system:certificates.k8s.io:certificatesigningrequests:selfnodeclient"
    // NodeAutoApproveBootstrapClusterRoleBinding defines the name of the ClusterRoleBinding that makes the csrapprover approve node CSRs
    NodeAutoApproveBootstrapClusterRoleBinding = "kubeadm:node-autoapprove-bootstrap"
    // NodeAutoApproveCertificateRotationClusterRoleBinding defines name of the ClusterRoleBinding that makes the csrapprover approve node auto rotated CSRs
    NodeAutoApproveCertificateRotationClusterRoleBinding = "kubeadm:node-autoapprove-certificate-rotation"
)