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package internal
import (
"encoding/json"
"fmt"
"io/ioutil"
"log"
"os"
)
type config struct {
EmailTo string
EmailFrom string
SMTPServer string `json:"SMTPServer,omitempty"`
StateDir string `json:"StateDir,omitempty"`
CheckTimeoutS int
CheckConcurrency int
Checks map[string]check
}
func newConfig(configFile string) (config, error) {
var config config
file, err := os.Open(configFile)
if err != nil {
return config, err
}
defer file.Close()
bytes, err := ioutil.ReadAll(file)
if err != nil {
return config, err
}
err = json.Unmarshal(bytes, &config)
if err != nil {
return config, err
}
if config.SMTPServer == "" {
hostname, err := os.Hostname()
if err != nil {
panic(err)
}
config.SMTPServer = fmt.Sprintf("%s:25", hostname)
log.Println("Set SMTPServer to " + config.SMTPServer)
}
if config.StateDir == "" {
config.StateDir = "."
log.Println("Set StateDir to " + config.StateDir)
}
return config, nil
}
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