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// vim: shiftwidth=4 tabstop=4 noexpandtab
package main
import (
"log"
"io/ioutil"
"os"
"flag"
"encoding/json"
)
type RuntimeConfig struct {
Flag FlagConfig
Web WebConfig `json:"webserver"`
Transport TransportConfig `json:"file_transport"`
}
func GetRuntimeConfig() RuntimeConfig {
retval := RuntimeConfig{}
// read CLI parameters
retval.Flag.read()
// open the config file
configFile, err := os.Open(retval.Flag.ConfigPath)
defer configFile.Close()
if err != nil {
log.Fatalf("Could not open configuration file %s", retval.Flag.ConfigPath)
}
// read byte content
byteData, err := ioutil.ReadAll(configFile)
if err != nil {
log.Fatalf("Could not read configuration file %s", retval.Flag.ConfigPath)
}
// parse content to config structs
err = json.Unmarshal(byteData, &retval)
if err != nil {
log.Fatalf("Could not parse configuration file %s", retval.Flag.ConfigPath)
}
// patch default config in case of debugging
if retval.Flag.Debug {
retval.Transport.Enabled = true
}
return retval
}
type FlagConfig struct {
ConfigPath string
Debug bool
}
func (flagConfig *FlagConfig) read() {
flag.StringVar(&(flagConfig.ConfigPath), "c", "/etc/birdscan/config.json", "Path to birdscan configuration file")
flag.BoolVar(&(flagConfig.Debug), "d", false, "A debug flag to be used by source repository Makefile")
flag.Parse()
}
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