// joins a server to an existing cluster.
func joinServer(s *influxdb.Server, u *url.URL, joinURLs []*url.URL) {
// TODO: Use separate broker and data join urls.
// Create data node on an existing data node.
for _, joinURL := range joinURLs {
if err := s.Join(u, joinURL); err != nil {
log.Printf("join: failed to connect data node: %s: %s", u, err)
} else {
log.Printf("join: connected data node to %s", u)
return
}
}
log.Fatalf("join: failed to connect data node to any specified server")
}
// 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)
}
}
}
// 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)
}
}
// 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)
}
}