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httpprocprobed/configuration.go

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package main
import (
"encoding/json"
"fmt"
"os"
)
type Configuration struct {
ListenAddress string `json:"listen-address"`
Processes []Process `json:"processes"`
}
func LoadConfiguration(path string) (conf *Configuration, err error) {
f, err := os.Open(path)
if err != nil {
return nil, err
}
defer f.Close()
conf = &Configuration{}
if err := json.NewDecoder(f).Decode(conf); err != nil {
return nil, err
}
for i := 0; i < len(conf.Processes); i++ {
if conf.Processes[i].Process == "" {
return nil, fmt.Errorf("an empty process field found")
}
if conf.Processes[i].Alias == "" {
conf.Processes[i].Alias = conf.Processes[i].Process
}
}
return conf, nil
}