// creates and initializes a server.
func openServer(config *Config, b *influxdb.Broker, initServer, initBroker, configExists bool, joinURLs []*url.URL, w io.Writer) *influxdb.Server {
// Create and open the server.
s := influxdb.NewServer()
s.SetLogOutput(w)
s.WriteTrace = config.Logging.WriteTracing
s.RetentionAutoCreate = config.Data.RetentionAutoCreate
s.RecomputePreviousN = config.ContinuousQuery.RecomputePreviousN
s.RecomputeNoOlderThan = time.Duration(config.ContinuousQuery.RecomputeNoOlderThan)
s.ComputeRunsPerInterval = config.ContinuousQuery.ComputeRunsPerInterval
s.ComputeNoMoreThan = time.Duration(config.ContinuousQuery.ComputeNoMoreThan)
if err := s.Open(config.Data.Dir); err != nil {
log.Fatalf("failed to open data server: %v", err.Error())
}
// If the server is uninitialized then initialize or join it.
if initServer {
if len(joinURLs) == 0 {
initializeServer(config.DataURL(), s, b, w, initBroker)
} else {
joinServer(s, config.DataURL(), joinURLs)
}
}
if !configExists {
// We are spining up a server that has no config,
// but already has an initialized data directory
joinURLs = []*url.URL{b.URL()}
openServerClient(s, joinURLs, w)
} else {
if len(joinURLs) == 0 {
// If a config exists, but no joinUrls are specified, fall back to the broker URL
// TODO: Make sure we have a leader, and then spin up the server
joinURLs = []*url.URL{b.URL()}
}
openServerClient(s, joinURLs, w)
}
return s
}
// creates and initializes a server.
func openServer(path string, u *url.URL, b *messaging.Broker, initializing, configExists bool, joinURLs []*url.URL) *influxdb.Server {
// Ignore if there's no existing server and we're not initializing or joining.
if !fileExists(path) && !initializing && len(joinURLs) == 0 {
return nil
}
// Create and open the server.
s := influxdb.NewServer()
if err := s.Open(path); err != nil {
log.Fatalf("failed to open data server: %v", err.Error())
}
// If the server is uninitialized then initialize or join it.
if initializing {
if len(joinURLs) == 0 {
initializeServer(s, b)
} else {
joinServer(s, u, joinURLs)
openServerClient(s, joinURLs)
}
} else if !configExists {
// We are spining up a server that has no config,
// but already has an initialized data directory
joinURLs = []*url.URL{b.URL()}
openServerClient(s, joinURLs)
} else {
if len(joinURLs) == 0 {
// If a config exists, but no joinUrls are specified, fall back to the broker URL
// TODO: Make sure we have a leader, and then spin up the server
joinURLs = []*url.URL{b.URL()}
}
openServerClient(s, joinURLs)
}
return s
}
// NewServer returns a new test server instance.
func NewServer() *Server {
return &Server{influxdb.NewServer()}
}