forked from knative/eventing
/
main.go
88 lines (75 loc) · 2.5 KB
/
main.go
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/*
* Copyright 2019 The Knative Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package main
import (
"flag"
"log"
"os"
eventingv1alpha1 "github.com/knative/eventing/pkg/apis/eventing/v1alpha1"
"github.com/knative/eventing/pkg/broker"
"github.com/knative/eventing/pkg/provisioners"
"github.com/knative/pkg/signals"
"go.uber.org/zap"
"go.uber.org/zap/zapcore"
"sigs.k8s.io/controller-runtime/pkg/client/config"
"sigs.k8s.io/controller-runtime/pkg/manager"
)
const (
NAMESPACE = "NAMESPACE"
)
func main() {
logConfig := provisioners.NewLoggingConfig()
logConfig.LoggingLevel["provisioner"] = zapcore.DebugLevel
logger := provisioners.NewProvisionerLoggerFromConfig(logConfig).Desugar()
defer logger.Sync()
flag.Parse()
logger.Info("Starting...")
mgr, err := manager.New(config.GetConfigOrDie(), manager.Options{
Namespace: getRequiredEnv(NAMESPACE),
})
if err != nil {
logger.Fatal("Error starting up.", zap.Error(err))
}
if err = eventingv1alpha1.AddToScheme(mgr.GetScheme()); err != nil {
logger.Fatal("Unable to add eventingv1alpha1 scheme", zap.Error(err))
}
// We are running both the receiver (takes messages in from the Broker) and the dispatcher (send
// the messages to the triggers' subscribers) in this binary.
receiver, err := broker.New(logger, mgr.GetClient())
if err != nil {
logger.Fatal("Error creating Receiver", zap.Error(err))
}
err = mgr.Add(receiver)
if err != nil {
logger.Fatal("Unable to start the receiver", zap.Error(err), zap.Any("receiver", receiver))
}
// Set up signals so we handle the first shutdown signal gracefully.
stopCh := signals.SetupSignalHandler()
// Start blocks forever.
logger.Info("Manager starting...")
err = mgr.Start(stopCh)
if err != nil {
logger.Fatal("Manager.Start() returned an error", zap.Error(err))
}
logger.Info("Exiting...")
}
func getRequiredEnv(envKey string) string {
val, defined := os.LookupEnv(envKey)
if !defined {
log.Fatalf("required environment variable not defined '%s'", envKey)
}
return val
}