func (c *VcapComponent) Start() error {
if c.Varz.Type == "" {
err := errors.New("type is required")
log.Error("Component type is required", err)
return err
}
c.quitCh = make(chan struct{}, 1)
c.Varz.StartTime = schema.Time(time.Now())
guid, err := uuid.GenerateUUID()
if err != nil {
return err
}
c.Varz.UUID = fmt.Sprintf("%d-%s", c.Varz.Index, guid)
if c.Varz.Host == "" {
host, err := localip.LocalIP()
if err != nil {
log.Error("error-getting-localIP", err)
return err
}
port, err := localip.LocalPort()
if err != nil {
log.Error("error-getting-localPort", err)
return err
}
c.Varz.Host = fmt.Sprintf("%s:%d", host, port)
}
if c.Varz.Credentials == nil || len(c.Varz.Credentials) != 2 {
user, err := uuid.GenerateUUID()
if err != nil {
return err
}
password, err := uuid.GenerateUUID()
if err != nil {
return err
}
c.Varz.Credentials = []string{user, password}
}
if c.Logger != nil {
log = c.Logger
}
c.Varz.NumCores = runtime.NumCPU()
procStat = NewProcessStatus()
c.ListenAndServe()
return nil
}
func SetVcapRequestIdHeader(request *http.Request, logger lager.Logger) {
guid, err := uuid.GenerateUUID()
if err == nil {
request.Header.Set(VcapRequestIdHeader, guid)
if logger != nil {
logger.Debug("vcap-request-id-header-set", lager.Data{VcapRequestIdHeader: guid})
}
}
}
func (a *TestApp) Register() {
uuid, _ := uuid.GenerateUUID()
rm := registerMessage{
Host: "localhost",
Port: a.port,
Uris: a.urls,
Tags: a.tags,
Dea: "dea",
App: "0",
StaleThresholdInSeconds: 1,
RouteServiceUrl: a.routeService,
PrivateInstanceId: uuid,
}
b, _ := json.Marshal(rm)
a.mbusClient.Publish("router.register", b)
}
func createSubscriber(
logger lager.Logger,
c *config.Config,
natsClient *nats.Conn,
registry rregistry.RegistryInterface,
startMsgChan chan struct{},
) ifrit.Runner {
guid, err := uuid.GenerateUUID()
if err != nil {
logger.Fatal("failed-to-generate-uuid", err)
}
opts := &mbus.SubscriberOpts{
ID: fmt.Sprintf("%d-%s", c.Index, guid),
MinimumRegisterIntervalInSeconds: int(c.StartResponseDelayInterval.Seconds()),
PruneThresholdInSeconds: int(c.DropletStaleThreshold.Seconds()),
}
return mbus.NewSubscriber(logger.Session("subscriber"), natsClient, registry, startMsgChan, opts)
}
package uuid_test
import (
"code.cloudfoundry.org/gorouter/common/uuid"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
var _ = Describe("UUID", func() {
It("creates a uuid", func() {
uuid, err := uuid.GenerateUUID()
Expect(err).ToNot(HaveOccurred())
Expect(uuid).To(HaveLen(36))
})
})