mirror of https://github.com/kubernetes/kops.git
57 lines
1.3 KiB
Go
57 lines
1.3 KiB
Go
/*
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Copyright 2018 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package utils
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import (
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crypto_rand "crypto/rand"
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"encoding/hex"
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"os"
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"k8s.io/client-go/kubernetes"
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"k8s.io/client-go/rest"
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)
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// GetKubernetesClient returns a kubernetes api client for us
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func GetKubernetesClient() (kubernetes.Interface, error) {
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config, err := rest.InClusterConfig()
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if err != nil {
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return nil, err
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}
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return kubernetes.NewForConfig(config)
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}
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// FileExists checks if the file exists
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func FileExists(filename string) bool {
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if _, err := os.Stat(filename); !os.IsNotExist(err) {
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return true
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}
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return false
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}
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// RandomBytes generates some random bytes
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func RandomBytes(length int) (string, error) {
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b := make([]byte, length)
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_, err := crypto_rand.Read(b)
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if err != nil {
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return "", err
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}
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return hex.EncodeToString(b), nil
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}
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