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Make updateNodeWithConfigMap public

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This commit is contained in:
xiangpengzhao 2017-11-17 11:36:53 +08:00
parent 6914a8b937
commit 54d6db1191
2 changed files with 42 additions and 48 deletions
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7
cmd/kubeadm/app/cmd/join.go
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@ -239,8 +239,13 @@ func (j *Join) Run(out io.Writer) error {
// NOTE: flag "--dynamic-config-dir" should be specified in /etc/systemd/system/kubelet.service.d/10-kubeadm.conf
if features.Enabled(j.cfg.FeatureGates, features.DynamicKubeletConfig) {
client, err := kubeconfigutil.ClientSetFromFile(kubeadmconstants.GetAdminKubeConfigPath())
if err != nil {
return err
}
// Update the node with remote base kubelet configuration
if err := kubeletphase.UpdateNodeWithBaseKubeletConfiguration(j.cfg); err != nil {
if err := kubeletphase.UpdateNodeWithConfigMap(client, j.cfg.NodeName); err != nil {
return err
}
}

83
cmd/kubeadm/app/phases/kubelet/kubelet.go
View File

@ -31,7 +31,6 @@ import (
kubeadmconstants "k8s.io/kubernetes/cmd/kubeadm/app/constants"
kubeadmutil "k8s.io/kubernetes/cmd/kubeadm/app/util"
"k8s.io/kubernetes/cmd/kubeadm/app/util/apiclient"
kubeconfigutil "k8s.io/kubernetes/cmd/kubeadm/app/util/kubeconfig"
rbachelper "k8s.io/kubernetes/pkg/apis/rbac/v1"
kubeletconfigscheme "k8s.io/kubernetes/pkg/kubelet/apis/kubeletconfig/scheme"
kubeletconfigv1alpha1 "k8s.io/kubernetes/pkg/kubelet/apis/kubeletconfig/v1alpha1"
@ -64,54 +63,11 @@ func CreateBaseKubeletConfiguration(cfg *kubeadmapi.MasterConfiguration, client
return fmt.Errorf("error creating base kubelet configmap RBAC rules: %v", err)
}
return updateNodeWithConfigMap(client, cfg.NodeName)
return UpdateNodeWithConfigMap(client, cfg.NodeName)
}
// UpdateNodeWithBaseKubeletConfiguration updates node with remote base kubelet configuration
func UpdateNodeWithBaseKubeletConfiguration(cfg *kubeadmapi.NodeConfiguration) error {
client, err := kubeconfigutil.ClientSetFromFile(kubeadmconstants.GetAdminKubeConfigPath())
if err != nil {
return err
}
return updateNodeWithConfigMap(client, cfg.NodeName)
}
// createKubeletBaseConfigMapRBACRules creates the RBAC rules for exposing the base kubelet ConfigMap in the kube-system namespace to unauthenticated users
func createKubeletBaseConfigMapRBACRules(client clientset.Interface) error {
if err := apiclient.CreateOrUpdateRole(client, &rbac.Role{
ObjectMeta: metav1.ObjectMeta{
Name: kubeadmconstants.KubeletBaseConfigMapRoleName,
Namespace: metav1.NamespaceSystem,
},
Rules: []rbac.PolicyRule{
rbachelper.NewRule("get").Groups("").Resources("configmaps").Names(kubeadmconstants.KubeletBaseConfigurationConfigMap).RuleOrDie(),
},
}); err != nil {
return err
}
return apiclient.CreateOrUpdateRoleBinding(client, &rbac.RoleBinding{
ObjectMeta: metav1.ObjectMeta{
Name: kubeadmconstants.KubeletBaseConfigMapRoleName,
Namespace: metav1.NamespaceSystem,
},
RoleRef: rbac.RoleRef{
APIGroup: rbac.GroupName,
Kind: "Role",
Name: kubeadmconstants.KubeletBaseConfigMapRoleName,
},
Subjects: []rbac.Subject{
{
Kind: "Group",
Name: kubeadmconstants.NodesGroup,
},
},
})
}
// updateNodeWithConfigMap updates node ConfigSource with KubeletBaseConfigurationConfigMap
func updateNodeWithConfigMap(client clientset.Interface, nodeName string) error {
// UpdateNodeWithConfigMap updates node ConfigSource with KubeletBaseConfigurationConfigMap
func UpdateNodeWithConfigMap(client clientset.Interface, nodeName string) error {
node, err := client.CoreV1().Nodes().Get(nodeName, metav1.GetOptions{})
if err != nil {
return err
@ -148,3 +104,36 @@ func updateNodeWithConfigMap(client clientset.Interface, nodeName string) error
return nil
}
// createKubeletBaseConfigMapRBACRules creates the RBAC rules for exposing the base kubelet ConfigMap in the kube-system namespace to unauthenticated users
func createKubeletBaseConfigMapRBACRules(client clientset.Interface) error {
if err := apiclient.CreateOrUpdateRole(client, &rbac.Role{
ObjectMeta: metav1.ObjectMeta{
Name: kubeadmconstants.KubeletBaseConfigMapRoleName,
Namespace: metav1.NamespaceSystem,
},
Rules: []rbac.PolicyRule{
rbachelper.NewRule("get").Groups("").Resources("configmaps").Names(kubeadmconstants.KubeletBaseConfigurationConfigMap).RuleOrDie(),
},
}); err != nil {
return err
}
return apiclient.CreateOrUpdateRoleBinding(client, &rbac.RoleBinding{
ObjectMeta: metav1.ObjectMeta{
Name: kubeadmconstants.KubeletBaseConfigMapRoleName,
Namespace: metav1.NamespaceSystem,
},
RoleRef: rbac.RoleRef{
APIGroup: rbac.GroupName,
Kind: "Role",
Name: kubeadmconstants.KubeletBaseConfigMapRoleName,
},
Subjects: []rbac.Subject{
{
Kind: "Group",
Name: kubeadmconstants.NodesGroup,
},
},
})
}