func New(opts *Options) *NSQD {
n := &NSQD{
flag: flagHealthy,
startTime: time.Now(),
topicMap: make(map[string]*Topic),
idChan: make(chan MessageID, 4096),
exitChan: make(chan int),
notifyChan: make(chan interface{}),
optsNotificationChan: make(chan struct{}, 1),
ci: clusterinfo.New(opts.Logger, http_api.NewClient(nil)),
}
n.swapOpts(opts)
if opts.MaxDeflateLevel < 1 || opts.MaxDeflateLevel > 9 {
n.logf("FATAL: --max-deflate-level must be [1,9]")
os.Exit(1)
}
if opts.ID < 0 || opts.ID >= 1024 {
n.logf("FATAL: --worker-id must be [0,1024)")
os.Exit(1)
}
if opts.StatsdPrefix != "" {
_, port, err := net.SplitHostPort(opts.HTTPAddress)
if err != nil {
n.logf("ERROR: failed to parse HTTP address (%s) - %s", opts.HTTPAddress, err)
os.Exit(1)
}
statsdHostKey := statsd.HostKey(net.JoinHostPort(opts.BroadcastAddress, port))
prefixWithHost := strings.Replace(opts.StatsdPrefix, "%s", statsdHostKey, -1)
if prefixWithHost[len(prefixWithHost)-1] != '.' {
prefixWithHost += "."
}
opts.StatsdPrefix = prefixWithHost
}
if opts.TLSClientAuthPolicy != "" && opts.TLSRequired == TLSNotRequired {
opts.TLSRequired = TLSRequired
}
tlsConfig, err := buildTLSConfig(opts)
if err != nil {
n.logf("FATAL: failed to build TLS config - %s", err)
os.Exit(1)
}
if tlsConfig == nil && opts.TLSRequired != TLSNotRequired {
n.logf("FATAL: cannot require TLS client connections without TLS key and cert")
os.Exit(1)
}
n.tlsConfig = tlsConfig
n.logf(version.String("nsqd"))
n.logf("ID: %d", opts.ID)
return n
}
func (g *GraphOptions) Prefix(host string, metricType string) string {
prefix := ""
statsdHostKey := statsd.HostKey(host)
prefixWithHost := strings.Replace(g.ctx.nsqadmin.opts.StatsdPrefix, "%s", statsdHostKey, -1)
if prefixWithHost[len(prefixWithHost)-1] != '.' {
prefixWithHost += "."
}
if g.ctx.nsqadmin.opts.UseStatsdPrefixes && metricType == "counter" {
prefix += "stats_counts."
} else if g.ctx.nsqadmin.opts.UseStatsdPrefixes && metricType == "gauge" {
prefix += "stats.gauges."
}
prefix += prefixWithHost
return prefix
}