Exemple #1
0
func (f *Factory) Make(service string, instanceId uint, data []byte) (sysconfig.Monitor, error) {
	var monitor sysconfig.Monitor
	switch service {
	case "mysql":
		// Load the MySQL instance info (DSN, name, etc.).
		mysqlIt := &proto.MySQLInstance{}
		if err := f.ir.Get(service, instanceId, mysqlIt); err != nil {
			return nil, err
		}

		// Parse the MySQL sysconfig config.
		config := &mysql.Config{}
		if err := json.Unmarshal(data, config); err != nil {
			return nil, err
		}

		// The user-friendly name of the service, e.g. sysconfig-mysql-db101:
		alias := "sysconfig-mysql-" + mysqlIt.Hostname

		// Make a MySQL sysconfig monitor.
		monitor = mysql.NewMonitor(
			alias,
			config,
			pct.NewLogger(f.logChan, alias),
			mysqlConn.NewConnection(mysqlIt.DSN),
		)
	default:
		return nil, errors.New("Unknown sysconfig monitor type: " + service)
	}
	return monitor, nil
}
func (s *TestSuite) TestStartCollectStop(t *C) {
	// Create the monitor.
	config := &mysql.Config{
		Config: sysconfig.Config{
			ServiceInstance: proto.ServiceInstance{
				Service:    "mysql",
				InstanceId: 1,
			},
		},
	}
	m := mysql.NewMonitor(s.name, config, s.logger, mysqlConn.NewConnection(dsn))
	if m == nil {
		t.Fatal("Make new mysql.Monitor")
	}

	// Start the monitor.
	err := m.Start(s.tickChan, s.reportChan)
	if err != nil {
		t.Fatalf("Start monitor without error, got %s", err)
	}

	// monitor=Ready once it has successfully connected to MySQL.  This may
	// take a few seconds (hopefully < 5) on a slow test machine.
	if ok := test.WaitStatusPrefix(5, m, s.name, "Idle"); !ok {
		t.Fatal("Monitor is ready")
	}

	// Send tick to make the monitor collect.
	now := time.Now().UTC()
	s.tickChan <- now
	got := test.WaitSystemConfig(s.reportChan, 1)
	if len(got) == 0 {
		t.Fatal("Got a sysconfig after tick")
	}
	c := got[0]

	if c.Ts != now.Unix() {
		t.Error("Report.Ts set to %s; got %s", now.Unix(), c.Ts)
	}

	if len(c.Settings) < 100 {
		t.Fatal("Collect > 100 vars; got %+v", c.Settings)
	}

	haveWaitTimeout := false
	val := ""
	for _, s := range c.Settings {
		if s[0] == "wait_timeout" {
			haveWaitTimeout = true
			val = s[1]
		}
	}
	if !haveWaitTimeout {
		t.Logf("%+v\n", c)
		t.Error("Got wait_timeout")
	}
	if val == "" {
		t.Error("wait_timeout has value")
	}

	/**
	 * Stop the monitor.
	 */

	m.Stop()

	if ok := test.WaitStatus(5, m, s.name, "Stopped"); !ok {
		t.Fatal("Monitor has stopped")
	}
}