hostsplitter/config.go
2016-02-03 22:36:11 -06:00

104 lines
2.4 KiB
Go

package main
import (
"encoding/json"
"io/ioutil"
"log"
"os"
"path"
"reflect"
)
var (
config map[string]interface{}
)
func LoadConfig() {
stagedRoutedHostnames := make(map[string]int)
stagedSites := []Site{}
var err error
var files []os.FileInfo
if err = os.MkdirAll(*sitesLoc, 0600); err != nil {
log.Print(err)
}
if files, err = ioutil.ReadDir(*sitesLoc); err != nil {
log.Print(err)
return
}
var configFiles []os.FileInfo
//Filter out non json files
for _, f := range files {
if f.IsDir() {
continue
}
if path.Ext(f.Name()) != ".json" {
continue
}
configFiles = append(configFiles, f)
}
//Process each site
for _, f := range configFiles {
var dat []byte
var err error
siteConf := make(map[string]interface{})
siteIndex := len(stagedSites)
stagedSites = append(stagedSites, Site{})
if dat, err = ioutil.ReadFile(*sitesLoc + "/" + f.Name()); err != nil {
log.Print(err)
}
if err = json.Unmarshal(dat, &siteConf); err != nil {
log.Print(err)
}
switch siteConf["hostnames"].(type) {
case []interface{}:
for _, hostname := range siteConf["hostnames"].([]interface{}) {
switch hostname.(type) {
case string:
log.Print("Adding hostname -> ", hostname)
stagedRoutedHostnames[hostname.(string)] = siteIndex
default:
log.Print("Expected string but got ", reflect.TypeOf(hostname), " while parsing hostname in ", f.Name())
}
}
default:
log.Print("Expected array but got ", reflect.TypeOf(siteConf["hostnames"]), " while parsing hosts in ", f.Name())
}
switch siteConf["backends"].(type) {
case []interface{}:
for _, backend := range siteConf["backends"].([]interface{}) {
switch backend.(type) {
case string:
log.Print("Adding backend -> ", backend)
stagedSites[siteIndex].Backends = append(stagedSites[siteIndex].Backends, backend.(string))
default:
log.Print("Expected string but got ", reflect.TypeOf(backend), " while parsing backend in ", f.Name())
}
}
default:
log.Print("Expected array but got ", reflect.TypeOf(siteConf["backends"]), " while parsing backends in ", f.Name())
}
switch siteConf["secret"].(type) {
case string:
stagedSites[siteIndex].Secret = siteConf["secret"].(string)
default:
log.Print("Expected string but got ", reflect.TypeOf(siteConf["secret"]), " while parsing secret in ", f.Name())
}
routedHostnames = stagedRoutedHostnames
Sites = stagedSites
}
}