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config.go
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/
config.go
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// Copyright 2017 Quentin Machu & eco 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 main
import (
"io/ioutil"
"os"
log "github.com/sirupsen/logrus"
"gopkg.in/yaml.v2"
"github.com/quentin-m/etcd-cloud-operator/pkg/tester"
)
// config represents a YAML configuration file that namespaces all ECO tester configuration under the
// top-level "eco-tester" key.
type config struct {
ECOTester tester.Config `yaml:"eco-tester"`
}
// loadConfig is a shortcut to open a file, read it, and generate a
// config.
//
// It supports relative and absolute paths. Given "", it returns defaultConfig.
func loadConfig(path string) (config, error) {
config := config{}
f, err := os.Open(os.ExpandEnv(path))
if err != nil {
return config, err
}
defer f.Close()
d, err := ioutil.ReadAll(f)
if err != nil {
return config, err
}
err = yaml.Unmarshal(d, &config)
if err != nil {
return config, err
}
log.Infof("loaded configuration file %v", path)
return config, err
}