package daemon import ( //"github.com/davecgh/go-spew/spew" "io/ioutil" "log" "os" "path/filepath" "github.com/gravitl/netmaker/netclient/ncutils" ) // SetupSystemDDaemon - sets system daemon for supported machines func SetupSystemDDaemon(interval string) error { if ncutils.IsWindows() { return nil } dir, err := filepath.Abs(filepath.Dir(os.Args[0])) if err != nil { return err } binarypath := dir + "/netclient" _, err = os.Stat("/etc/netclient/config") if os.IsNotExist(err) { os.MkdirAll("/etc/netclient/config", 0744) } else if err != nil { log.Println("couldnt find or create /etc/netclient") return err } if !ncutils.FileExists("/usr/local/bin/netclient") { os.Symlink("/etc/netclient/netclient", "/usr/local/bin/netclient") } if !ncutils.FileExists("/etc/netclient/netclient") { _, err = ncutils.Copy(binarypath, "/etc/netclient/netclient") if err != nil { log.Println(err) return err } } systemservice := `[Unit] Description=Network Check Wants=netclient.timer [Service] Type=simple ExecStart=/etc/netclient/netclient checkin -n all [Install] WantedBy=multi-user.target ` systemtimer := `[Unit] Description=Calls the Netmaker Mesh Client Service Requires=netclient.service [Timer] Unit=netclient.service ` systemtimer = systemtimer + "OnCalendar=*:*:0/" + interval systemtimer = systemtimer + ` [Install] WantedBy=timers.target ` servicebytes := []byte(systemservice) timerbytes := []byte(systemtimer) if !ncutils.FileExists("/etc/systemd/system/netclient.service") { err = ioutil.WriteFile("/etc/systemd/system/netclient.service", servicebytes, 0644) if err != nil { log.Println(err) return err } } if !ncutils.FileExists("/etc/systemd/system/netclient.timer") { err = ioutil.WriteFile("/etc/systemd/system/netclient.timer", timerbytes, 0644) if err != nil { log.Println(err) return err } } _, _ = ncutils.RunCmd("systemctl enable netclient.service", true) _, _ = ncutils.RunCmd("systemctl daemon-reload", true) _, _ = ncutils.RunCmd("systemctl enable netclient.timer", true) _, _ = ncutils.RunCmd("systemctl start netclient.timer", true) return nil } func CleanupLinux() { err := os.RemoveAll(ncutils.GetNetclientPath()) if err != nil { ncutils.PrintLog("Removing netclient binary: "+err.Error(), 1) } } // RemoveSystemDServices - removes the systemd services on a machine func RemoveSystemDServices() error { //sysExec, err := exec.LookPath("systemctl") var err error if !ncutils.IsWindows() && isOnlyService() { if err != nil { log.Println(err) } ncutils.RunCmd("systemctl disable netclient.service", false) ncutils.RunCmd("systemctl disable netclient.timer", false) if ncutils.FileExists("/etc/systemd/system/netclient.service") { err = os.Remove("/etc/systemd/system/netclient.service") if err != nil { ncutils.Log("Error removing /etc/systemd/system/netclient.service. Please investigate.") } } if ncutils.FileExists("/etc/systemd/system/netclient.timer") { err = os.Remove("/etc/systemd/system/netclient.timer") if err != nil { ncutils.Log("Error removing /etc/systemd/system/netclient.timer. Please investigate.") } } ncutils.RunCmd("systemctl daemon-reload", false) ncutils.RunCmd("systemctl reset-failed", false) ncutils.Log("removed systemd remnants if any existed") } return nil } func isOnlyService() bool { files, err := filepath.Glob("/etc/netclient/config/netconfig-*") if err != nil { return false } return len(files) == 0 }