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frontend: copy settings.json on settings reload (to handle delayed settings propagation)

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This commit is contained in:
nemunaire 2020-01-23 13:06:39 +01:00
parent 4820d42327
commit caea02bb4d
6 changed files with 29 additions and 4 deletions
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13
frontend/settings.go
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@ -1,8 +1,10 @@
package main
import (
"io/ioutil"
"log"
"os"
"path"
"time"
"srs.epita.fr/fic-server/settings"
@ -10,6 +12,8 @@ import (
var startedFile = "started"
var SettingsDistDir = "./SETTINGSDIST/"
var touchTimer *time.Timer = nil
var challengeStart time.Time
var challengeEnd time.Time
@ -24,6 +28,15 @@ func touchStartedFile() {
}
func reloadSettings(config settings.FICSettings) {
// Copy the new settings file for distribution
if data, err := ioutil.ReadFile(path.Join(settings.SettingsDir, settings.SettingsFile)); err != nil {
log.Println("Unable to read settings file:", err)
} else if err = ioutil.WriteFile(path.Join(SettingsDistDir, settings.SettingsFile + ".tmp"), data, 0644); err != nil {
log.Println("Unable to write tmp settings file:", err)
} else if err := os.Rename(path.Join(SettingsDistDir, settings.SettingsFile + ".tmp"), path.Join(SettingsDistDir, settings.SettingsFile)); err != nil {
log.Println("Unable to move new settings file:", err)
}
if challengeStart != config.Start || challengeEnd != config.End {
if touchTimer != nil {
touchTimer.Stop()