func createPublishers() (publishers []canary.Publisher) {
list := os.Getenv("PUBLISHERS")
if list == "" {
list = "stdout"
}
publisherList := strings.Split(list, ",")
for _, publisher := range publisherList {
switch publisher {
case "stdout":
publishers = append(publishers, stdoutpublisher.New())
case "librato":
p, err := libratopublisher.NewFromEnv()
if err != nil {
log.Fatal(err)
}
publishers = append(publishers, p)
default:
log.Fatalf("Unknown publisher: %s", publisher)
}
}
return
}
func main() {
conf, url, err := getConfig()
if err != nil {
log.Fatal(err)
}
c := canary.New([]canary.Publisher{stdoutpublisher.New()})
manifest := manifest.Manifest{}
manifest.StartDelays = []float64{0.0}
manifest.Targets = []sampler.Target{
sampler.Target{
URL: url,
Interval: conf.DefaultSampleInterval,
},
}
c.Config = conf
c.Manifest = manifest
// Start canary and block in the signal handler
c.Run()
c.SignalHandler()
}