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main.go
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main.go
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// Copyright © 2018 the Kudzu contributors.
// Licensed under the Apache License, Version 2.0; see the NOTICE file.
package main
import (
"context"
"fmt"
"os"
"go.uber.org/zap"
kingpin "gopkg.in/alecthomas/kingpin.v2"
"sigs.k8s.io/controller-runtime/pkg/manager"
kudzuv1alpha1 "kudzu.sh/api/kudzu/v1alpha1"
apicontroller "kudzu.sh/kudzu/controller/api"
)
type Config struct {
ProductionLogging bool
Cluster ClusterConfig
}
func (c *Config) Expose(app *kingpin.Application) {
app.Flag("production", "Use production log behavior").Short('p').BoolVar(&c.ProductionLogging)
c.Cluster.Expose(app)
}
func (c *Config) Logger() (log *zap.Logger) {
var err error
if c.ProductionLogging {
log, err = zap.NewProduction()
} else {
log, err = zap.NewDevelopment()
}
if err != nil {
panic(fmt.Sprintf("Failed to create logger: %v", err))
}
return log
}
func main() {
conf := Config{}
app := kingpin.New("kudzu", "Kudzu API and Operator controller")
app.DefaultEnvars()
conf.Expose(app)
kingpin.MustParse(app.Parse(os.Args[1:]))
log := conf.Logger()
defer log.Sync()
log.Info("Initializing")
mgr, err := manager.New(conf.Cluster.RESTConfig(log), manager.Options{})
if err != nil {
log.Fatal("Failed to create controller-runtime manager", zap.Error(err))
}
scheme := mgr.GetScheme()
if err := kudzuv1alpha1.AddToScheme(scheme); err != nil {
log.Fatal("Failed to add API types to scheme", zap.Error(err))
}
if err := kudzuv1alpha1.RegisterDefaults(scheme); err != nil {
log.Fatal("Failed to add API defaults to scheme", zap.Error(err))
}
ctx := CancelOnSignal(context.Background(), log)
apicontroller.Build(ctx, log, mgr)
log.Info("Starting manager")
if err := mgr.Start(ctx.Done()); err != nil {
log.Fatal("Failed to start controller-runtime manager", zap.Error(err))
}
log.Info("Shutdown complete")
}