cache-static-files

Author: caffeinated92

config/config.go

@@ -653,6 +653,7 @@ type Config struct {
 	OAuthProvider                             string                 `mapstructure:"api-oauth-provider-url" toml:"api-oauth-provider-url" json:"apiOAuthProvider"`
 	OAuthClientID                             string                 `mapstructure:"api-oauth-client-id" toml:"api-oauth-client-id" json:"apiOAuthClientID"`
 	OAuthClientSecret                         string                 `mapstructure:"api-oauth-client-secret" toml:"api-oauth-client-secret" json:"apiOAuthClientSecret"`
+	CacheStaticMaxAge                         int                    `mapstructure:"cache-static-max-age" toml:"cache-static-max-age" json:"-"`
 	//OAuthRedirectURL                          string                 `mapstructure:"api-oauth-redirect-url" toml:"git-url" json:"-"`
 	//	BackupResticStoragePolicy                  string `mapstructure:"backup-restic-storage-policy"  toml:"backup-restic-storage-policy" json:"backupResticStoragePolicy"`
 	//ProvMode                           string `mapstructure:"prov-mode" toml:"prov-mode" json:"provMode"` //InitContainer vs API

server/api.go

@@ -149,7 +149,7 @@ func (repman *ReplicationManager) apiserver() {
 		router.PathPrefix("/app/").Handler(http.FileServer(http.Dir(repman.Conf.HttpRoot)))
 	} else {
 		router.HandleFunc("/", repman.rootHandler)
-		router.PathPrefix("/static/").Handler(repman.DashboardFSHandler())
+		router.PathPrefix("/static/").Handler(repman.handlerStatic(repman.DashboardFSHandler()))
 		router.PathPrefix("/app/").Handler(repman.DashboardFSHandler())
 	}
 
@@ -742,3 +742,13 @@ func (repman *ReplicationManager) handlerMuxMonitorHeartbeat(w http.ResponseWrit
 		panic(err)
 	}
 }
+
+func (repman *ReplicationManager) handlerStatic(h http.Handler) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+
+		w.Header().Set("Cache-Control", fmt.Sprintf("max-age=%d", repman.Conf.CacheStaticMaxAge))
+		w.Header().Set("Etag", repman.Version)
+
+		h.ServeHTTP(w, r)
+	})
+}

server/server.go

@@ -418,6 +418,7 @@ func (repman *ReplicationManager) AddFlags(flags *pflag.FlagSet, conf *config.Co
 
 	//flags.BoolVar(&conf.Daemon, "daemon", true, "Daemon mode. Do not start the Termbox console")
 	conf.Daemon = true
+	flags.IntVar(&conf.CacheStaticMaxAge, "cache-static-max-age", 18000, "Cache Max Age Duration for static files")
 
 	if WithEnforce == "ON" {
 		flags.BoolVar(&conf.ForceSlaveReadOnly, "force-slave-readonly", true, "Automatically activate read only on slave")