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config.go
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config.go
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/*
* This file is part of the KubeVirt project
*
* 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.
*
* Copyright 2019 Red Hat, Inc.
*
*/
package tests
import (
"encoding/json"
"flag"
"fmt"
"io/ioutil"
"os"
)
const (
DefaultConfigFile string = "tests/default-config.json"
)
var ConfigFile = ""
var Config *KubeVirtTestsConfiguration
func init() {
flag.StringVar(&ConfigFile, "config", "", "Path to a JSON formatted file from which the test suite will load its configuration. The path may be absolute or relative; relative paths start at the current working directory.")
}
// KubeVirtTestsConfiguration contains the configuration for KubeVirt tests
type KubeVirtTestsConfiguration struct {
// StorageClass to use to create local PVCs
StorageClassLocal string `json:"storageClassLocal"`
// StorageClass to use to create host-path PVCs
StorageClassHostPath string `json:"storageClassHostPath"`
// StorageClass to use to create block-volume PVCs
StorageClassBlockVolume string `json:"storageClassBlockVolume"`
// StorageClass to use to create rhel PVCs
StorageClassRhel string `json:"storageClassRhel"`
// StorageClass to use to create windows PVCs
StorageClassWindows string `json:"storageClassWindows"`
}
// Returns a new KubeVirtTestsConfiguration with default values
func NewKubeVirtTestsConfiguration() *KubeVirtTestsConfiguration {
config := &KubeVirtTestsConfiguration{}
err := loadConfigFromFile(DefaultConfigFile, config)
if err != nil {
panic(fmt.Sprintf("Couldn't load default test suite configuration: %s\n", err))
}
return config
}
func loadConfig() *KubeVirtTestsConfiguration {
config := NewKubeVirtTestsConfiguration()
if ConfigFile != "" {
err := loadConfigFromFile(ConfigFile, config)
if err != nil {
panic(fmt.Sprintf("Couldn't load test suite configuration file: %s\n", err))
}
}
return config
}
func loadConfigFromFile(file string, config *KubeVirtTestsConfiguration) error {
// open configuration file
jsonFile, err := os.Open(file)
if err != nil {
return err
}
defer jsonFile.Close()
// read the configuration file as a byte array
byteValue, _ := ioutil.ReadAll(jsonFile)
// convert the byte array as a KubeVirtTestsConfiguration struct
err = json.Unmarshal(byteValue, config)
return err
}