mirror of https://github.com/k3s-io/k3s
60 lines
2.0 KiB
Go
60 lines
2.0 KiB
Go
/*
|
|
Copyright 2016 The Kubernetes Authors.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package master
|
|
|
|
import (
|
|
"bytes"
|
|
"fmt"
|
|
"os"
|
|
"path"
|
|
"strconv"
|
|
|
|
kubeadmapi "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm"
|
|
kubeadmapiext "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm/v1alpha1"
|
|
kubeadmutil "k8s.io/kubernetes/cmd/kubeadm/app/util"
|
|
cmdutil "k8s.io/kubernetes/pkg/kubectl/cmd/util"
|
|
netutil "k8s.io/kubernetes/pkg/util/net"
|
|
"k8s.io/kubernetes/pkg/util/uuid"
|
|
)
|
|
|
|
func PrepareTokenDiscovery(d *kubeadmapi.TokenDiscovery) error {
|
|
if len(d.Addresses) == 0 {
|
|
ip, err := netutil.ChooseHostInterface()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
d.Addresses = []string{ip.String() + ":" + strconv.Itoa(kubeadmapiext.DefaultDiscoveryBindPort)}
|
|
}
|
|
if err := kubeadmutil.GenerateTokenIfNeeded(d); err != nil {
|
|
return fmt.Errorf("failed to generate token(s) [%v]", err)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func CreateTokenAuthFile(bt string) error {
|
|
tokenAuthFilePath := path.Join(kubeadmapi.GlobalEnvParams.HostPKIPath, "tokens.csv")
|
|
if err := os.MkdirAll(kubeadmapi.GlobalEnvParams.HostPKIPath, 0700); err != nil {
|
|
return fmt.Errorf("failed to create directory %q [%v]", kubeadmapi.GlobalEnvParams.HostPKIPath, err)
|
|
}
|
|
serialized := []byte(fmt.Sprintf("%s,kubeadm-node-csr,%s,system:kubelet-bootstrap\n", bt, uuid.NewUUID()))
|
|
// DumpReaderToFile create a file with mode 0600
|
|
if err := cmdutil.DumpReaderToFile(bytes.NewReader(serialized), tokenAuthFilePath); err != nil {
|
|
return fmt.Errorf("failed to save token auth file (%q) [%v]", tokenAuthFilePath, err)
|
|
}
|
|
return nil
|
|
}
|