// setupSerf is used to setup and initialize a Serf
func (c *Client) setupSerf(conf *serf.Config, ch chan serf.Event, path string) (*serf.Serf, error) {
conf.Init()
conf.NodeName = c.config.NodeName
conf.Tags["role"] = "node"
conf.Tags["dc"] = c.config.Datacenter
conf.Tags["vsn"] = fmt.Sprintf("%d", c.config.ProtocolVersion)
conf.Tags["vsn_min"] = fmt.Sprintf("%d", ProtocolVersionMin)
conf.Tags["vsn_max"] = fmt.Sprintf("%d", ProtocolVersionMax)
conf.Tags["build"] = c.config.Build
conf.MemberlistConfig.LogOutput = c.config.LogOutput
conf.LogOutput = c.config.LogOutput
conf.EventCh = ch
conf.SnapshotPath = filepath.Join(c.config.DataDir, path)
conf.ProtocolVersion = protocolVersionMap[c.config.ProtocolVersion]
conf.RejoinAfterLeave = c.config.RejoinAfterLeave
conf.Merge = &lanMergeDelegate{logger: c.logger, dc: c.config.Datacenter}
if err := ensurePath(conf.SnapshotPath, false); err != nil {
return nil, err
}
return serf.Create(conf)
}
// setupSerf is used to setup and initialize a Serf
func (s *Server) setupSerf(conf *serf.Config, ch chan serf.Event, path string, wan bool) (*serf.Serf, error) {
addr := s.rpcListener.Addr().(*net.TCPAddr)
conf.Init()
if wan {
conf.NodeName = fmt.Sprintf("%s.%s", s.config.NodeName, s.config.Datacenter)
} else {
conf.NodeName = s.config.NodeName
}
conf.Tags["role"] = "consul"
conf.Tags["dc"] = s.config.Datacenter
conf.Tags["vsn"] = fmt.Sprintf("%d", s.config.ProtocolVersion)
conf.Tags["vsn_min"] = fmt.Sprintf("%d", ProtocolVersionMin)
conf.Tags["vsn_max"] = fmt.Sprintf("%d", ProtocolVersionMax)
conf.Tags["build"] = s.config.Build
conf.Tags["port"] = fmt.Sprintf("%d", addr.Port)
if s.config.Bootstrap {
conf.Tags["bootstrap"] = "1"
}
if s.config.BootstrapExpect != 0 {
conf.Tags["expect"] = fmt.Sprintf("%d", s.config.BootstrapExpect)
}
conf.MemberlistConfig.LogOutput = s.config.LogOutput
conf.LogOutput = s.config.LogOutput
conf.EventCh = ch
conf.SnapshotPath = filepath.Join(s.config.DataDir, path)
conf.ProtocolVersion = protocolVersionMap[s.config.ProtocolVersion]
conf.RejoinAfterLeave = s.config.RejoinAfterLeave
if wan {
conf.Merge = &wanMergeDelegate{logger: s.logger}
} else {
conf.Merge = &lanMergeDelegate{logger: s.logger, dc: s.config.Datacenter}
}
// Until Consul supports this fully, we disable automatic resolution.
// When enabled, the Serf gossip may just turn off if we are the minority
// node which is rather unexpected.
conf.EnableNameConflictResolution = false
if err := ensurePath(conf.SnapshotPath, false); err != nil {
return nil, err
}
return serf.Create(conf)
}