github.com/openebs/node-disk-manager@v1.9.1-0.20230225014141-4531f06ffa1e/integration_tests/utils/file.go (about)

     1  /*
     2  Copyright 2019 The OpenEBS Authors
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package utils
    18  
    19  import (
    20  	"fmt"
    21  	"io/ioutil"
    22  	"os"
    23  	"path/filepath"
    24  )
    25  
    26  // GetYAMLString gets the yaml-string from the given YAML file
    27  func GetYAMLString(fileName string) (string, error) {
    28  	fileBytes, err := ioutil.ReadFile(filepath.Clean(fileName))
    29  	if err != nil {
    30  		return "", err
    31  	}
    32  	return string(fileBytes), nil
    33  }
    34  
    35  // GetHomeDir gets the home directory for the system.
    36  // It is required to locate the .kube/config file
    37  func GetHomeDir() (string, error) {
    38  	if h := os.Getenv("HOME"); h != "" {
    39  		return h, nil
    40  	}
    41  
    42  	return "", fmt.Errorf("Not able to locate home directory")
    43  }
    44  
    45  // GetConfigPath returns the filepath of kubeconfig file
    46  func GetConfigPath() (string, error) {
    47  	home, err := GetHomeDir()
    48  	if err != nil {
    49  		return "", err
    50  	}
    51  	kubeConfigPath := home + "/.kube/config"
    52  	return kubeConfigPath, nil
    53  }