forked from knative/eventing-contrib
/
main.go
86 lines (69 loc) · 2.35 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 (
"log"
"os"
"go.uber.org/zap"
"go.uber.org/zap/zapcore"
"knative.dev/eventing-contrib/camel/source/pkg/apis"
"knative.dev/eventing-contrib/camel/source/pkg/install"
"knative.dev/eventing-contrib/camel/source/pkg/reconciler"
"knative.dev/pkg/logging/logkey"
"sigs.k8s.io/controller-runtime/pkg/client/config"
"sigs.k8s.io/controller-runtime/pkg/manager"
"sigs.k8s.io/controller-runtime/pkg/runtime/signals"
)
const (
// envCamelKInstalled determines whether the controller should consider Camel K already installed without checking
envCamelKInstalled = "CAMEL_K_INSTALLED"
)
func main() {
// Get a config to talk to the apiserver
logCfg := zap.NewProductionConfig()
logCfg.EncoderConfig.EncodeTime = zapcore.ISO8601TimeEncoder
logger, err := logCfg.Build()
logger = logger.With(zap.String(logkey.ControllerType, "camel-controller"))
if err != nil {
log.Fatal(err)
}
cfg, err := config.GetConfig()
if err != nil {
log.Fatal(err)
}
if "true" == os.Getenv(envCamelKInstalled) {
log.Printf("Camel K is already installed. Skipping the check...")
} else {
// Check Camel K is installed before proceeding
install.EnsureCamelKInstalled(cfg)
log.Printf("Camel K is correctly installed in the cluster.")
}
// Create a new Cmd to provide shared dependencies and start components
mgr, err := manager.New(cfg, manager.Options{})
if err != nil {
log.Fatal(err)
}
log.Printf("Registering Components.")
// Setup Scheme for all resources
if err := apis.AddToScheme(mgr.GetScheme()); err != nil {
log.Fatal(err)
}
log.Printf("Setting up Controllers.")
// Setup all Controllers
if err := reconciler.Add(mgr, logger.Sugar()); err != nil {
log.Fatal(err)
}
log.Printf("Starting Camel controller.")
// Start the Cmd
log.Fatal(mgr.Start(signals.SetupSignalHandler()))
}