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knative/vhive reference branch v1.3 #8

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23 changes: 22 additions & 1 deletion cmd/queue/main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,8 @@ import (
"context"
"errors"
"fmt"
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/util/intstr"
"net"
"net/http"
"os"
Expand Down Expand Up @@ -100,6 +102,10 @@ type config struct {
// Concurrency State Endpoint configuration
ConcurrencyStateEndpoint string `split_words:"true"` // optional
ConcurrencyStateTokenPath string `split_words:"true"` // optional

// vHive configuration
GuestAddr string `split_words:"true" required:"true"`
GuestPort string `split_words:"true" required:"true"`
}

func init() {
Expand Down Expand Up @@ -153,6 +159,21 @@ func main() {
}()

// Setup probe to run for checking user-application healthiness.
servingProbe := &corev1.Probe{
SuccessThreshold: 1,
Handler: corev1.Handler{
TCPSocket: &corev1.TCPSocketAction{
Host: env.GuestAddr,
Port: intstr.FromString(env.GuestPort),
},
},
}

env.ServingReadinessProbe, err = readiness.EncodeProbe(servingProbe)
if err != nil {
logger.Fatalw("Failed to create stats reporter", zap.Error(err))
}

probe := func() bool { return true }
if env.ServingReadinessProbe != "" {
probe = buildProbe(logger, env.ServingReadinessProbe, env.EnableHTTP2AutoDetection).ProbeContainer
Expand Down Expand Up @@ -226,7 +247,7 @@ func buildProbe(logger *zap.SugaredLogger, encodedProbe string, autodetectHTTP2
func buildServer(ctx context.Context, env config, probeContainer func() bool, stats *network.RequestStats, logger *zap.SugaredLogger,
ce *queue.ConcurrencyEndpoint) (server *http.Server, drain func()) {

target := net.JoinHostPort("127.0.0.1", env.UserPort)
target := net.JoinHostPort(env.GuestAddr, env.GuestPort)

httpProxy := pkghttp.NewHeaderPruningReverseProxy(target, pkghttp.NoHostOverride, activator.RevisionHeaders)
httpProxy.Transport = buildTransport(env, logger)
Expand Down