Example #1
0
// initializes a new server that does not yet have an ID.
func initializeServer(u *url.URL, s *influxdb.Server, b *influxdb.Broker, w io.Writer, initBroker bool) {
	// TODO: Create replica using the messaging client.

	if initBroker {
		// Create replica on broker.
		if err := b.CreateReplica(1, u); err != nil {
			log.Fatalf("replica creation error: %s", err)
		}
	}

	// Create messaging client.
	c := messaging.NewClient(1)
	c.SetLogOutput(w)
	if err := c.Open(filepath.Join(s.Path(), messagingClientFile), []*url.URL{b.URL()}); err != nil {
		log.Fatalf("messaging client error: %s", err)
	}
	if err := s.SetClient(c); err != nil {
		log.Fatalf("set client error: %s", err)
	}

	if initBroker {
		// Initialize the server.
		if err := s.Initialize(b.URL()); err != nil {
			log.Fatalf("server initialization error: %s", err)
		}
	}
}
Example #2
0
// NewClient returns a new instance of Client.
func NewClient(replicaID uint64) *Client {
	return &Client{
		clientConfig: "", // Not all tests with NewClient require automatic temp file creation.
		Client:       messaging.NewClient(replicaID),
		Server:       NewServer(),
	}
}
Example #3
0
File: run.go Project: pcn/influxdb
// opens the messaging client and attaches it to the server.
func openServerClient(s *influxdb.Server, joinURLs []*url.URL) {
	c := messaging.NewClient(s.ID())
	if err := c.Open(filepath.Join(s.Path(), messagingClientFile), joinURLs); err != nil {
		log.Fatalf("messaging client error: %s", err)
	}
	if err := s.SetClient(c); err != nil {
		log.Fatalf("set client error: %s", err)
	}
}
Example #4
0
// Ensure a client is properly redirected to the leader.
func TestClient_LeaderRedirect(t *testing.T) {
	c := NewCluster(3)
	defer c.Close()

	// Explicity tell the client to send its writes to a follower.
	c.Leader().Broker().CreateReplica(100, &url.URL{Host: "localhost"})
	client := messaging.NewClient(100)
	client.Open("", []*url.URL{c.Follower().Broker().URL()})

	// Ensure after writing to leader, client has correct leader URL.
	_, err := client.Publish(&messaging.Message{Type: 0, TopicID: 1, Data: make([]byte, 50)})
	if err != nil {
		t.Fatalf("unexpected error: %s", err)
	}
	if client.LeaderURL().String() != c.URL().String() {
		t.Fatalf("client not using expected leader, expected: %s, actual: %s", c.URL().String(), client.LeaderURL().String())
	}
}
Example #5
0
File: run.go Project: pcn/influxdb
// initializes a new server that does not yet have an ID.
func initializeServer(s *influxdb.Server, b *messaging.Broker) {
	// TODO: Create replica using the messaging client.

	// Create replica on broker.
	if err := b.CreateReplica(1); err != nil {
		log.Fatalf("replica creation error: %s", err)
	}

	// Create messaging client.
	c := messaging.NewClient(1)
	if err := c.Open(filepath.Join(s.Path(), messagingClientFile), []*url.URL{b.URL()}); err != nil {
		log.Fatalf("messaging client error: %s", err)
	}
	if err := s.SetClient(c); err != nil {
		log.Fatalf("set client error: %s", err)
	}

	// Initialize the server.
	if err := s.Initialize(b.URL()); err != nil {
		log.Fatalf("server initialization error: %s", err)
	}
}
Example #6
0
// Benchmarks a cluster of 3 brokers over HTTP.
func BenchmarkCluster_Publish(b *testing.B) {
	c := NewCluster(3)
	defer c.Close()

	// Create replica and connect client.
	c.Leader().Broker().CreateReplica(100, &url.URL{Host: "localhost"})
	client := messaging.NewClient(100)
	client.Open("", []*url.URL{c.URL()})

	b.ResetTimer()

	var index uint64
	for i := 0; i < b.N; i++ {
		var err error
		index, err = client.Publish(&messaging.Message{Type: 0, TopicID: 1, Data: make([]byte, 50)})
		if err != nil {
			b.Fatalf("unexpected error: %s", err)
		}
	}

	// Wait for the broker to commit.
	c.MustSync(index)
}
Example #7
0
// Ensure a client's Leader URL can be set correctly.
func TestClient_SetLeaderURL(t *testing.T) {
	c := messaging.NewClient(100)

	// Nil shouldn't blow up.
	var u *url.URL
	c.SetLeaderURL(u)

	tests := []struct {
		leader   string
		expected string
	}{
		{
			leader:   "http://localhost",
			expected: "http://localhost",
		},
		{
			leader:   "https://localhost",
			expected: "https://localhost",
		},
		{
			leader:   "http://localhost:8045",
			expected: "http://localhost:8045",
		},
		{
			leader:   "http://127.0.0.1:46684/messaging/messages?replicaID=100",
			expected: "http://127.0.0.1:46684",
		},
	}

	for _, tt := range tests {
		c.SetLeaderURL(MustParseURL(tt.leader))
		if c.LeaderURL().String() != tt.expected {
			t.Errorf("Setting client leader URL failed, expected: %s, got: %s", tt.expected, c.LeaderURL().String())
		}
	}

}