Ejemplo n.º 1
0
func testManagerFailProb(failPct float64) (m *servers.Manager) {
	logger := GetBufferedLogger()
	logger = log.New(os.Stderr, "", log.LstdFlags)
	shutdownCh := make(chan struct{})
	m = servers.New(logger, shutdownCh, &fauxSerf{}, &fauxConnPool{failPct: failPct})
	return m
}
Ejemplo n.º 2
0
// func New(logger *log.Logger, shutdownCh chan struct{}) (m *Manager) {
func TestServers_New(t *testing.T) {
	logger := GetBufferedLogger()
	logger = log.New(os.Stderr, "", log.LstdFlags)
	shutdownCh := make(chan struct{})
	m := servers.New(logger, shutdownCh, &fauxSerf{}, &fauxConnPool{})
	if m == nil {
		t.Fatalf("Manager nil")
	}
}
Ejemplo n.º 3
0
// NewClient is used to construct a new Consul client from the
// configuration, potentially returning an error
func NewClient(config *Config) (*Client, error) {
	// Check the protocol version
	if err := config.CheckVersion(); err != nil {
		return nil, err
	}

	// Check for a data directory!
	if config.DataDir == "" {
		return nil, fmt.Errorf("Config must provide a DataDir")
	}

	// Sanity check the ACLs
	if err := config.CheckACL(); err != nil {
		return nil, err
	}

	// Ensure we have a log output
	if config.LogOutput == nil {
		config.LogOutput = os.Stderr
	}

	// Create the tls Wrapper
	tlsWrap, err := config.tlsConfig().OutgoingTLSWrapper()
	if err != nil {
		return nil, err
	}

	// Create a logger
	logger := log.New(config.LogOutput, "", log.LstdFlags)

	// Create server
	c := &Client{
		config:     config,
		connPool:   NewPool(config.LogOutput, clientRPCConnMaxIdle, clientMaxStreams, tlsWrap),
		eventCh:    make(chan serf.Event, serfEventBacklog),
		logger:     logger,
		shutdownCh: make(chan struct{}),
	}

	// Start lan event handlers before lan Serf setup to prevent deadlock
	go c.lanEventHandler()

	// Initialize the lan Serf
	c.serf, err = c.setupSerf(config.SerfLANConfig,
		c.eventCh, serfLANSnapshot)
	if err != nil {
		c.Shutdown()
		return nil, fmt.Errorf("Failed to start lan serf: %v", err)
	}

	// Start maintenance task for servers
	c.servers = servers.New(c.logger, c.shutdownCh, c.serf, c.connPool)
	go c.servers.Start()

	return c, nil
}